by turningwpuser | Feb 19, 2023 | Mercedes Repair
If you are an owner of a Mercedes V12 engine vehicle, it is important to stay vigilant and keep an eye out for any signs of issues with the engine. As a high-performance engine, it can be more prone to certain issues if not properly maintained. However, if caught early, these issues can often be resolved before they become major problems. In this article, we will discuss some tips to detect issues with your Mercedes V12 engine.
Pay Attention To Unusual Sounds
One of the most common indicators of a problem with your Mercedes V12 engine is unusual sounds coming from the engine compartment. These sounds could include ticking, knocking, or even a high-pitched whine. If you hear any of these sounds, it is important to have your vehicle checked by a qualified mechanic as soon as possible. Ignoring the sounds could result in serious damage to the engine.
Monitor Your Oil Levels
It is crucial to monitor your engine’s oil levels regularly. A low oil level can cause serious damage to your engine, including the V12 engine. Checking the oil levels is an easy process and can be done with a dipstick. If you notice that your oil levels are low, it is important to add more oil as soon as possible.
Watch For Warning Lights
Your Mercedes V12 engine is equipped with several warning lights that can indicate potential problems. For example, if you see a check engine light, this could mean that there is an issue with the engine that needs to be addressed. Other warning lights to look out for include the oil pressure warning light and the coolant temperature warning light.
Pay Attention To Engine Performance
Another way to detect potential issues with your Mercedes V12 engine is to pay attention to its performance. For example, if you notice that your engine is struggling to accelerate or is producing less power than usual, this could indicate a problem with the engine. Similarly, if you notice that your engine is running rough or is idling poorly, this could also indicate a problem that needs to be addressed.
Have Your Engine Serviced Regularly
Regular engine servicing is one of the best ways to prevent issues from occurring with your Mercedes V12 engine. During an engine service, a qualified mechanic will inspect your engine for any potential problems and perform any necessary maintenance tasks. This could include changing the oil and oil filter, replacing spark plugs, and inspecting the engine’s belts and hoses.
Check Your Spark Plugs
The spark plugs in your Mercedes V12 engine are responsible for igniting the fuel in your engine’s cylinders. If your spark plugs are dirty or worn, this can cause issues with your engine’s performance. It is important to have your spark plugs inspected and replaced as needed to ensure that your engine is running at peak performance.
Monitor Your Coolant Levels
Coolant is an important component of your engine’s cooling system. If your coolant levels are low, this can cause your engine to overheat, which can lead to serious damage. Make sure to check your coolant levels regularly and add more coolant as needed.
Turning Wrenches: The Mercedes Experts
By paying attention to unusual sounds, monitoring your oil levels, watching for warning lights, paying 
attention to engine performance, having your engine serviced regularly, checking your spark plugs, and monitoring your coolant levels, you can help ensure that your engine is running smoothly and prevent serious issues from occurring. Remember, if you notice any potential issues with your Mercedes V12 engine, it is important to have them addressed by a qualified mechanic as soon as possible.
If you have an issue with your Mercedes’ engine, come to Turning Wrenches for reliable and trust-worthy service. Our experienced technicians are dedicated to providing the best customer service in Louisville. From engine performance issues to replacing brakes, our team is here so you can get back on the road quickly and safely. Whether this is your first time at our shop or you’re a loyal returning customer, call or stop by today to learn more about how Turning Wrenches is ready and willing to assist you with all of your needs.
* Mercedes Benz A-Class Car image credit goes to: Wirestock.
by turningwpuser | Dec 13, 2022 | Mercedes Repair
If you suspect that your Mercedes muffler is bad, it’s important to address the issue as soon as possible to prevent further damage to your car. Mufflers are an essential part of a car’s exhaust system, as they help to reduce noise and emissions from the engine. A bad muffler can lead to a variety of problems for your vehicle, including decreased performance and an increase in noise.
Signs That Your Mercedes Has A Bad Muffler
There are several signs that may indicate a bad muffler on your Mercedes. One of the most obvious signs is an increase in noise coming from your car’s exhaust system. If you notice that your car is louder than usual, especially when accelerating or revving the engine, it could be a sign that your muffler is not functioning properly.
Another sign of a bad muffler is a decrease in fuel efficiency. Mufflers play a role in the exhaust process, helping to reduce the amount of harmful gases emitted from the engine. If your muffler is not working correctly, it can disrupt this process and cause your car to use more fuel than usual. This can be frustrating, as it not only leads to higher fuel costs, but it can also negatively impact the environment.
In addition to these symptoms, a bad muffler can also cause issues with your car’s performance. If you notice a decrease in power or acceleration, it could be a sign that your muffler is not functioning properly. This can be especially noticeable when driving up hills or trying to pass other vehicles on the road.
If you suspect that your Mercedes muffler is bad, it’s important to have it checked out as soon as possible. A faulty muffler can lead to further damage to your car’s exhaust system, which can be costly to repair. Additionally, driving with a bad muffler can be dangerous, as it can make your car louder and potentially draw the attention of law enforcement.
Fixing A Bad Muffler
So, what should you do if you think your muffler is bad? The first step is to have your car checked by a professional mechanic. They will be able to diagnose the issue and determine whether your muffler is indeed the problem. If it is, they will be able to recommend the appropriate course of action, which may involve repairing or replacing the muffler.
It’s also a good idea to familiarize yourself with the muffler on your Mercedes. This will help you to understand how it works and what to look for if you suspect it may be malfunctioning. The muffler is typically located at the back of the car, near the exhaust pipe. It’s a relatively simple component, consisting of a series of tubes and chambers that work to reduce noise and emissions.
If you decide to replace your muffler, it’s important to choose a high-quality replacement. This will ensure that it functions properly and lasts for a long time. When selecting a new muffler, be sure to choose one that is compatible with your car’s make and model. Using the wrong muffler can lead to further issues down the road.
A bad muffler can lead to a variety of problems for your Mercedes. If you suspect that your muffler is bad, it’s important to have it checked out by a professional mechanic as soon as possible. They will be able to diagnose the issue and recommend the appropriate course of action. By addressing the problem early, you can avoid further damage to your car and ensure that it runs smoothly and efficiently.
Bring Your Mercedes To Turning Wrenches Today
When your Mercedes’ muffler is making more noise 
than you’re used to hearing, chances are that it has gone bad. Don’t let the problem worsen; call Turning Wrenches in Louisville, KY today for a quick and reliable repair! Our team of expert mechanics is standing by and ready to assist in getting your vehicle back in optimal condition.
We use only top grade materials and follow all OEM specifications to get a perfect fit every time. With speedy turnaround times and excellent customer service, make Turning Wrenches your go-to choice if your Mercedes’ muffler needs some attention.
by turningwpuser | Sep 19, 2022 | Mercedes Repair
Mercedes-Benz vehicles are known for their quality engineering and attention to detail, but one potential issue that can affect Mercedes-Benz vehicles is engine rattle. This problem is typically caused by loosened or damaged engine parts, and it can be quite unsettling for drivers.
If you notice any engine rattle in your Mercedes-Benz vehicle, it’s important to have the problem diagnosed and repaired as soon as possible. With prompt attention, you can help prevent further damage to your engine and keep your Mercedes-Benz running smoothly for years to come.
The Usual Suspects
There are several Mercedes parts that can cause this noise, and it’s important to identify the source of the problem so it can be fixed.
Exhaust Problems
One potential cause of engine rattle is a loose exhaust system. If the exhaust system is not properly secured, it can begin to vibrate and cause a rattling noise. The exhaust system is responsible for carrying waste gases away from the engine, and it consists of several metal parts that are held together with brackets and clamps. Over time, these parts can loosen and vibrate, causing a rattling sound. In some cases, the problem can be resolved by simply tightening the bolts or replacing the clamps. However, if the exhaust system is significantly damaged, it may need to be replaced altogether. Mercedes owners who are concerned about engine rattling should have their vehicle inspected by a qualified technician.
Motor Mounts
Another possible cause is worn out motor mounts. Over time, the rubber in the motor mounts can deteriorate, leading to excessive vibration and engine rattling. The noise is typically caused by the engine moving around too much in the engine bay. This can be caused by a number of things, including worn out motor mounts or an imbalanced engine. In some cases, Mercedes will replace the motor mounts under warranty. However, if the problem is not addressed, it can eventually lead to more serious damage, such as engine misalignment.
Ignition and Fuel Problems
Other problems include a bad ignition system or fuel system problems. When the ignition system is not working properly, it can cause the engine to misfire, resulting in a characteristic rattle. In addition to being annoying, this rattle can also indicate that the engine is not getting enough air, which can lead to further problems down the road.
Mercedes engines are designed to run smoothly and quietly. However, if the fuel system is not working properly, it can cause the engine to rattle. The fuel system is responsible for delivering fuel to the engine. If the fuel delivery is interrupted, it can cause the engine to misfire, which will cause a rattling noise. In addition, if the fuel pressure is too low, it can also cause the engine to rattle.
Heat Shield
In some cases, the rattling may be caused by something as simple as a loose heat shield. The heat shield is located between the engine and the firewall, and its purpose is to protect the engine from excessive heat. However, over time the heat shield can become damaged or detached, causing it to rattle every time the engine is running. This can be quite noisy and annoying, but more importantly it can cause damage to the engine over time.
If you’re hearing an engine rattle in your Mercedes, it’s important to have the problem diagnosed by a certified Mercedes technician. They will be able to identify the source of the problem and make the necessary repairs. Ignoring engine rattles can lead to further damage to your vehicle, so don’t delay in getting the problem fixed.
Turning Wrenches
Located in Louisville, Turning Wrenches is 
the preferred German auto shop for drivers in Hurstbourne, Middletown, Prospect, Saint Matthews, and Louisville, KY. Whether it’s routine maintenance or an emergency repair, our friendly and knowledgeable technicians are always here to help. What sets us apart from other shops and the expensive dealership is our commitment to your satisfaction. Our auto center is equipped with the latest tools and equipment available to handle everything your car needs, so please call or visit our shop today to learn more or to schedule your next appointment.
* Mercedes-AMG Car image credit goes to: teddyleung.
by turningwpuser | Jul 15, 2022 | Mercedes Repair
Whether you notice a bulge in your tire when approaching your Mercedes in a parking lot or feel an odd vibration while driving, any time your tire is misshapen, there is a level of danger to not only you, but to your passengers and those driving around you. When you notice a bulging tire on your Mercedes in Louisville, it is important to have them checked by a professional as soon as possible. They will be able to determine the cause of the problem and make any necessary repairs. Trying to drive on bulging tires is extremely dangerous and should be avoided at all costs.
What Causes Bulging Tires?
There are several factors that can cause bulging tires, including overinflation, underinflation, excessive speed, hitting a curb or pothole, and even temperature changes. When a tire is overinflated, the air pressure inside the tire is greater than the pressure outside the tire. This can cause the tire to bulge outward. If a tire is underinflated, the opposite happens – the pressure inside the tire is lower than the pressure outside the tire. This can also cause the tire to bulge outward.
Excessive speed is another factor that can cause bulging tires. When a tire is spinning at a high rate of speed, centrifugal force causes the air inside the tire to expand. This can cause the tire to bulge outward. Hitting a curb or pothole can also cause bulging tires. When the tire hits something hard, it can be damaged internally. This damage can cause the tire to bulge outward.
Finally, temperature changes can also cause bulging tires. As the temperature outside decreases, the air pressure inside the tire decreases as well. This can cause the tire to bulge outward. Similarly, as the temperature outside increases, the air pressure inside the tire increases as well. This can also cause the tire to bulge outward.
The Dangers of Bulging Tires
Bulging tires are dangerous because they can lead to a blowout. When a tire blows out, the driver can lose control of the vehicle, which can lead to an accident. If you notice that your tires are starting to bulge, it’s important to have them checked by a professional as soon as possible.
Trying to drive on bulging tires is extremely dangerous and should be avoided at all costs, as a blowout could be dangerous to you, your passengers, and those on the road around you. Depending on the speed you’re driving at, the road conditions, and the traffic around you, a blown tire could easily turn into a major wreck. Driving on bulging tires is a risk not worth taking. So if you notice that your tires are starting to bulge, make sure to get them checked out by a professional ASAP.
How to Prevent Bulging Tires in a Mercedes
Bulging tires can be caused by a number of different things, but the most common cause is overinflation. When your Mercedes tire is overinflated, the air pressure inside the tire is greater than the pressure outside the tire. This can cause the tire to bulge outwards, either in one uniform shape or in bubble-like protrusions.
To prevent bulging tires, it’s important to check your tire pressure regularly and keep your tires inflated to the proper level. You should also avoid driving on rough roads or over potholes, as this can damage your tires and cause them to bulge. If you do hit a pothole or bumpy road, inspect your tires afterwards for any signs of damage.
Turning Wrenches: Mercedes Tire Experts
At Turning Wrenches, we know that when your car is having tire trouble, 
it can be stressful and inconvenient. That’s why our technicians are dedicated to making sure your car can continue to drive safely for you and your family.
We’ve been helping Louisville, KY Mercedes drivers stay on the road since 2013, and we’re passionate about cars. Turning Wrenches is here for the Mercedes drivers of Kentucky, whether you need a tire change or a more extensive repair. We’re dedicated to our customers and their safety, so you can rest assured that your car is in good hands. Contact us or come by our shop to learn more about what we can do for you. We look forward to helping you keep your car on the road.
* Mercedes Benz AMG Car image credit goes to: Karlos Garciapons.
by turningwpuser | Mar 22, 2022 | Mercedes Repair
As cars improve through technological advancements, 13 Pin connector issues in your Mercedes is something you should not neglect whenever the signs show up.
Every automobile manufacturer now uses automated gearboxes. Mercedes-Benz is one of the brands that has made the transition to fully automatic transmission systems. Given the excellent standards that go into the design and manufacturing of Mercedes vehicles, you might think that any flaws would not be an issue, but the 13-pin connector problem is an example of this.
The wires connecting the various automated functions of the car are attached to the 13 pin connector. This electrical connector controls a variety of tasks, including the various lights that signify different actions or improve visibility in certain situations.
This 13-pin connector is known for malfunctioning and leaking transmission fluid. If left unchecked, these leaks can wreak havoc on the wiring harness, as well as other components such as the transmission’s control module.
13 Pin Connector Issues: What Causes Them?
The 13-pin connector is typically plagued by difficulties caused by worn-out o-rings. The pins are held securely in place by these rings. These rings become old and worn with time, and they no longer have the ability to securely hold the pins. This may aggravate transmission fluid leakage.
Breaking one or more pins in the ensemble is another probable reason for 13 pin issues. The 13 pin connector may loosen as a result of the damage, potentially resulting in a transmission fluid leak, which will exacerbate the situation.
The Following Indicators Suggest That A 13-Pin Connector Has Failed
The repercussions of problems with the 13 pin connector will be felt immediately in the car. The transmission system will be the most prevalent symptom of this failure. The following are some of the early warning signals of failure:
- Rough changing of gears owing to transmission fluid leakage, resulting in pressure loss, which affects the transmission process, producing delays and reluctance.
- If not rectified promptly, the gears will cease moving entirely or will only shift up to a certain gear and no further. In some cases, the car may completely stall.
- The car may also go into safe or limp mode and issue a warning message on the dashboard notifying you to take your car to a technician right away. You’ll only be allowed to shift gears up to a certain point in safe mode, and anything higher may not be possible at that time.
Results of a 13 Pin Problem
Transmission problems can lead to dangerous driving scenarios, which is why the automobile will sometimes go into limp mode. Because the same problems are frequently misdiagnosed, it’s preferable to avoid them altogether. This is why having your car serviced regularly is so important.
While routine maintenance may not prevent problems from arising due to wear and tear, it will help spot warning indications as early as possible. This will allow our Mercedes mechanics to detect the problem early on before it becomes a pricey event, causing more damage that needs replacements. Furthermore, regular servicing allows our mechanics to keep an eye on the transmission fluid levels, which can help the 13 pin connector last longer.
Not only should you seek the assistance of a skilled mechanic if you see any indicators of 13 pin connector troubles, but you should also make sure any mechanic working on your car has experience with luxury brands, particularly Mercedes. This will guarantee that your vehicle receives proper repairs and replacements using manufacturer-recommended parts. You will considerably lessen the likelihood of needing to repair the 13 pin connector regularly.
You Can Trust Turning Wrenches With Your Mercedes
Turning Wrenches is your European Auto Repair with an excellent 
record of quality customer service and a wealth of knowledge to back it up!
- ASA Certified Service Center
- ASE Certified Mechanics & Technicians
- Backed by our 3-Year/36,000-Mile Warranty
- We offer After Hours Drop-Off for Your Vehicle
- Complimentary Wi-Fi in our waiting area
- Towing service available
When you visit Turning Wrenches we want to make sure your experience is a memorable one for all the right reasons. From the initial appointment to handing back your keys, we work with you to get your car everything it needs to perform at the high level you expect. Please call or visit our shop today to learn more or to schedule your car’s next appointment!
by turningwpuser | Mar 5, 2022 | Mercedes Repair
Mercedes are highly-recognized cars that provide drivers with a sophisticated drive and a comfortable ride. Mercedes, as a brand, is committed to the future of diesel cars and continues to lead in innovation regarding cleaner engines, and this includes ensuring the combustion process is performed properly.
Any reaction that requires burning something is a combustion reaction. Most of the exhaust from your Mercedes comes from chemical combinations of fuel and oxygen. Combustion systems are used to generate power, but thermal energy is released when fuel burns in combustion reactions. If combustion is off, your engine’s timing will suffer, bringing down its performance. Exhaust emissions will also be toxic.
Symptoms of Improper Combustion in Your Engine
- Popping sounds from the engine: When an engine is running rich, it has too much fuel and too little air, which slows down the combustion process. The exhaust pump might not be bad but it doesn’t indicate anything good. Fuel igniting in the exhaust can cause popping sounds from the engine. This can cause damage to your vehicle either slowly or quickly. Sometimes, if you hear popping sounds from your engine, your car is probably telling you that it needs to be serviced. A clogged fuel filter can also cause popping sounds.
- Increase in fuel consumption: Combustion efficiency is comparable to crumbled coal-fired systems. It is affected by the fuel type and increases with volatile fuel matter content. Combustion efficiency increases with increasing excess air level and then decreases. Fast driving, quick acceleration but stopping your vehicle suddenly, only to accelerate again are the most common actions that lead to high fuel consumption.
- Increase in emissions: Usually your exhaust and catalytic converter work together to limit the number of harmful gases your engine produces. However, it can be less effective when your exhaust is old, damaged, or worn out. An increase in emission can cause the engine to deteriorate. It can also be detected through smoke testing under high-duty diesel inspection and maintenance.
- Difficulty in the engine: Failing fuel pump or bad fuel pump can affect the gasoline between your tank and engine. Also failed alternator and dirty fuel injectors. Your fuel system may cause improper combustion in your Mercedes noticeable when driving your vehicle at a low speed. If enough fuel is not passed to the cylinder, it can be caused by a misfire. Oxygen heavy explosions can occur when there isn’t enough fuel-to-air ratio. On some occasions, it can be as a result of bad gas in your Mercedes.
Reasons For Improper Combustion In Mercedes
The result of incomplete combustion is a misfire due to insufficient fuel entering into the cylinder. On rare occasions, you can have bad gas in your Mercedes, as there are several parts that regulate the amount of fuel that enters the cylinder. An engine misfire is a common issue in Mercedes vehicles that are lacking maintenance and replacement of wear items.
Under normal operation, the fuel and air mixture in the combustion chamber of your Mercedes engine ignites, but when it doesn’t get ignited at the precise time, it does not provide any power to turn the engine. This is detected by the engine control unit and causes the engine to misfire.
There are different problems of improper combustion which are ignition problems, problems with the air and fuel delivery, sensor and module problems, engine mechanical problems.
Turning Wrenches: Visit Our Trusted Experts Today
When the supply of air or oxygen is poor, incomplete combustion occurs. Carbon monoxide is produced 
during incomplete combustion as part of the carbon is not completely oxidized. Whenever a combustion reaction occurs without an adequate supply of energy, it is incomplete combustion. Unlike complete combustion, incomplete combustion produces less energy and carbon monoxide which is a poisonous gas.
Generally, heat, oxygen, and fuel are the three things required before combustion can take place. Mercedes is all about quality, comfortability, and luxury, so if your Mercedes is experiencing symptoms of improper combustion, visit us at Turning Wrenches to get your vehicle serviced.
We specialize in European auto services and repairs for drivers throughout the Louisville and KY area. We are committed to the maintenance and service of your car, and also help you take better care of your car. Give us a call today at (502) 821-3180 to schedule an appointment.
by turningwpuser | Nov 6, 2021 | Mercedes Repair
The check engine light didn’t come into existence until 1996 when the federal government required an on-board vehicle diagnostics system for all new vehicles sold in the United States. One of the most important lights on the dashboard is the Check Engine Light (CEL).
The check engine light of your Mercedes is either amber or yellow colour and it represents the engine’s health. It is an integral part of your vehicle’s computer’s onboard diagnostics system. If the light refuses to go off after a few seconds of starting your car, then it means something is off with the performance of your engine. When you notice that the light remains on or is blinking, you should be proactive and consult a professional mechanic to inspect your vehicle to find the root cause of the problem.
There are several reasons why your check engine will stay illuminated. Let’s take a brief look at some of the reasons responsible for the illumination of your check engine light.
- Sagging gas cap: The gas cap of your Mercedes plays a vital role in maintaining pressure in the engine and preventing fuel vapour leakage. Hence, your check engine light will come on if your car’s gas cap is not tightened. Loosen the gas cap entirely and screw it again, but this time, securely. If not, the overall performance of your vehicle will reduce and your engine may begin to misfire due to improper fuel ratios.
- Contaminated oxygen sensors: Suppose the oxygen sensor of your Mercedes becomes contaminated with ash and dust. In that case, it reduces its efficiency, which will lead to a drastic reduction in gas mileage and an increase in gas emissions.
- Dirty or faulty mass airflow sensor: The function of the mass airflow sensor is to alert the computer of your Mercedes of the amount of fuel needed compared to the amount of air entering the engine. When it becomes faulty or covered in dust, it increases gas emissions from your car’s engine, causing the check engine light to illuminate.
- Faulty spark plugs: Spark plugs wear and tear over time. If they start failing, misfires will occur, and the check engine light will come on to alert you.
- Dead battery: The battery of your Mercedes is the primary power source for many of your electrical components. When your alternator becomes defective or fails, the battery will not get enough charge and may cause the battery to run down. The low charge will cause the check engine light to illuminate.
- Faulty catalytic converter: The catalytic converter of your Mercedes functions as a gas converter. It reduces exhaust fumes by converting carbon monoxide and other harmful gases into harmless gases. If it fails, your car will fail its emission test, and your check engine light will come on.
What to do if your check engine light stays on
First, never ignore any warning indicator on your dashboard. When you bought your vehicle, hopefully you flipped through your owner’s manual to discover what each indicator on the dashboard means. Study it thoroughly to have a good understanding. However, if you notice the check engine light of your vehicle has remained on, here are few things you can do before taking it to the mechanic:
- Check the gauges and other lights of your Mercedes for other signs.
- Drive at a slower speed and reduce vehicle load to reduce engine demand.
- Tighten gas caps and check if your check engine light will reset itself. If it doesn’t, call the attention of a mechanic immediately.
Have your check engine lights diagnosed at Turning Wrenches
The engine of your Mercedes is a very intricate system 
which requires the skilled expertise of professional technicians. If you’re a Mercedes owner in the Louisville, KY area and need professionals to handle your maintenance and repair, then Turning Wrenches is just the place for you.
At Turning Wrenches, we are passionate about ensuring that European cars get nothing less than high-quality services. All our mechanics are ASE-certified with decades of experience in repairing any fault in your Mercedes. We employ only state-of-the-art tools for our repairs. By the time we are done with your repairs and maintenance, you’ll be confident of getting it back on the road safely. Call or visit our repair shop to make an appointment with our professionals.
by turningwpuser | Sep 16, 2021 | Mercedes Repair
There are few vehicles in the past decades as dynamic and innovative as the Mercedes car family. For years, Mercedes has been at the forefront in finding new ways to improve your everyday ride. These models are expertly designed and crafted for your enjoyment, comfort, and safety. Even cars with the best human engineering are prone to problems and issues with enough age and use. The Mercedes plastic guide rail is an example of a part prone to failure.
The guide rail is a crucial part of ensuring that the engine on your Mercedes is running correctly. It works alongside the engine’s timing chain and helps it circulate and function properly alongside the rest of the engine components. The guide rail works similarly to a cast or bone splint in that it prevents the timing chain from becoming misaligned or falling out of place.
The primary way to detect if the plastic guide rail is failing in your Mercedes is that your car will shake and vibrate when the engine is running. The guide rail loosens and starts to bang against the other parts of the engine under the hood. Therefore, the easiest way to know if your guide rail is failing is simply to listen to the noises your car is making.
Causes of a Guide Rail Failure
Several things can cause guide rail failure in your Mercedes. If you notice one of these warning signs, bring your Mercedes in right away:
- Excessive Heat: Heat is the number one cause of guide rail failure. Excessive heat from the engine will melt and bend the plastic guide rail and eventually cause it to become brittle and break down. If you see your engine temperature gauge rising, bring it in immediately.
- Prolonged Impacts and Bumps: Constant bumps and severe road impacts can lead to straining and loosening of the plastic guide rail. If you must drive on bumpy roads that have potholes, debris, and bumps, take these cautiously.
- Age and Maintenance: Even the Mercedes is not immune to the wear and tear of age and lack of regular vehicle maintenance. If you get your vehicle serviced and maintained regularly, it will increase the lifespan of your guide rail.
- Constant High Speeds: Driving at high speeds for long periods of time can cause guide rail failure due to the excessive engine heat. This will lead to melting, bending, and brittleness and even cause the timing belt to lock up completely. Routine maintenance to ensure your cooling system is working properly can help ensure this does not become a problem.
What Happens When Your Guide Rail Fails in Mercedes
The guide rail itself is not an extremely expensive part. The big issue is what happens to the rest of the pieces around the guide rail when it begins to fail. Due to the excessive vibrating of the guide rail as it loosens, it begins to break apart, and pieces will end up falling into the oil pan. This can cause clogs as the oil attempts to circulate throughout the engine. This debris can lead to significant engine damage.
If this debris doesn’t cause the engine to break down, then the complete failure of the guide rail certainly will. As it continues to break down, the guide rail will break into progressively smaller pieces until it eventually shatters completely like a grenade with shrapnel. The resulting shards will break off and puncture the engine components around it, immediately causing total engine failure. This is the worst-case scenario of guide rail failure but is a definite possibility.
If you suspect your Mercedes has a guide rail issue, it is a good idea to get this problem checked out by our professionals as soon as possible.
Get Help From a Professional Who Cares
As with all vehicle issues, you should seek immediate service from a professional mechanic. 
If you are in the Louisville, KY area, then Turning Wrenches is the place for you.
Turning Wrenches is Louisville’s Mercedes service and repair experts. We are happy to assist you with all your vehicle needs. Since 2013, we have been providing quality and specialized Mercedes auto services. Turning Wrenches implements the best diagnostic tools on the market to ensure that we take care of every problem you may encounter, including guide rail issues.
Call today or visit us online to schedule your appointment. We commit to making your Mercedes repair experience a convenient one!
* Mercedes Benz Car image credit goes to: Julie Deshaies.
by turningwpuser | Jun 12, 2021 | Mercedes Repair
The check engine light is a part of the onboard diagnostics system in your Mercedes. When illuminated, this indicates a problem within your onboard diagnostics system. Your Mercedes may develop an illuminated check engine light for several reasons. Determining the cause on your own may be difficult as many things can affect the onboard diagnostic system. Below we will dive into five common causes of an illuminated check engine light in your Mercedes-Benz.
Loose Gas Cap
The gas cap, also known as a fuel cap, on your Mercedes is a seal that is designed to hold the fuel in your tank and keep out dirt and debris. When your fuel cap is loose, broken, or even missing, it results in a reduction in fuel pressure, allowing fuel vapors to escape. When the fuel cap is not properly sealed, it may result in reduced fuel economy and an increase in emissions.
Failing Catalytic Converter
A catalytic converter is an exhaust emissions control device designed to reduce toxic gases and pollutants being released in the exhaust gas from an internal combustion engine. If the catalytic converter within your Mercedes becomes clogged with debris it can impact your vehicle’s fuel economy and overall performance.
Failed Spark Plugs
Spark plugs are made to send a spark through the cylinders, igniting the air-fuel mixture and allowing the engine to turn over and run. Over time, spark plugs may begin to fail with normal wear, resulting in engine misfire, decreased fuel economy, and decreased performance. If your spark plugs fail entirely, your vehicle may stop running altogether.
Faulty Oxygen Sensor
An oxygen sensor measures the amount of oxygen left in the exhaust gas, allowing the electronic control unit to ensure proper combustion within the engine. The oxygen sensor may fail due to prolonged exposure to extremely hot exhaust gases over time. The oxygen sensor fails, it allows too little or too much fuel into the engine. Not enough fuel in the engine may result in complete failure, while too much fuel in the engine will increase the amount of smoke your vehicle emits.
Faulty Mass Air Flow Sensor
The mass airflow sensor measures the amount of air entering the engine compartment to ensure the correct air-to-fuel ratio is supplied. The sensor begins to fail due to prolonged exposure to dirty air. When it begins to fail, or completely fails, you may begin to notice your engine is misfiring, your overall engine performance deteriorates, and there is a significant reduction in fuel economy.
As with any arising problem within your Mercedes, it is imperative to seek out diagnostic testing from a certified mechanic or technician. If your vehicle displays an illuminated check engine light and exhibits poor performance or smoke from the exhaust, pull over immediately and have your vehicle towed to an auto repair shop specializing in Mercedes-Benz service and repair.
Turning Wrenches: Your Mercedes Specialists
Turning Wrenches is Louisville, KY’s leader in quality and customer service since 2013. At our auto repair shop, we are proud to be able to offer:
- An ASA certified center
- ASE Certified mechanics and technicians
- After hours vehicle drop
- Towing services
At Turning Wrenches, we stand by all services and repairs we provide. Because we believe in quality over quantity, we take our time ensuring the job is 
completed to your satisfaction every time. Our services and repairs are backed by our 3-year/36,000-mile warranty.
Our friendly mechanics come with decades of experience with European service and repairs. We offer the highest-quality dealer services at a fraction of the price. From the time you drop your vehicle off until the keys are back in your hand, the entire experience is tailored to fit your desired budget and needs.
Turning Wrenches services Audi, BMW, Mercedes, and Mini. By limiting the brands we service, we are able to remain proficient on all of the latest diagnostic tools, updated technology, and service recommendations for those brands.
We provide complimentary Wifi while you wait for your vehicle. As we know, not everybody has time to sit and wait at a repair shop, so we can provide a rental vehicle or service such as Uber at a competitive rate.
Whether you need routine maintenance or emergency repairs, Turning Wrenches is here for you. Call us today to schedule your appointment.
by turningwpuser | Apr 24, 2021 | Mercedes Repair
Your Mercedes is one of the most technologically-advanced automobiles on the road today. They are designed with sophistication and power in mind. One component of your Mercedes which is present on every vehicle is the differential. This important system is part of your front and rear axle. The differential allows your tires to rotate at different speeds. This is essential to making corners and turns.
When you turn a corner, the outside tires travel farther on the road than the inside tires. The differential is what allows your tires to spin at different speeds without damaging your axles.
Common Signs Your Differential is Failing
Even with routine maintenance, there are times when the differential will begin to fail. You should learn to recognize the signs when this happens so you can bring Mercedes to our qualified mechanics as soon as you suspect something is amiss.
Some of the most common signs the differential is failing includes:
- There is a whining sign that seems to come from the transmission.
- The car misses a gear.
- Uneven wear on the tires.
- Dirty gear oil or oil that is contaminated.
- Rough handling when you try to make turns.
- There is vibration in the car when you accelerate.
- The gears seem to grind or hum.
- The differential fluid starts to leak.
How to Avoid Differential Failure
Keep up with routine maintenance as much as possible. Our qualified technicians are happy to perform this maintenance and will check every component of the vehicle to see if it is wearing out or needs replaced.
Use the right kind of oil. Mercedes cars need high-quality synthetic gear oil to do their job properly so consider investing in this.
Perform gear oil changes often. It is easy to forget to replace the oil when it goes bad but it can negatively impact all parts of the car. You need to do the first gear servicing around 3,000 miles and then monitor it to see when it needs to be done again.
Although it may be fun to do in a powerful Mercedes, you should not do any kind of burnout or allow the wheels to spin. This will cause the differential to wear out much faster than intended.
Always perform inspections of the differential components. This can help the car owner avoid a lot of different issues like water damage, bad gear oil, and more.
When you follow these tips, you increase your chances of preventing any kind of damage or failure in the differential. Proper care and maintenance of the differential, and any other part of the vehicle, will ensure that it lasts longer and will not be as expensive to repair if things break down entirely. With the help of these scheduled inspections and a good mechanic, you will be able to take care of your Mercedes and prevent the differential from failing.
Turning Wrenches for your Mercedes
We are Louisville’s leading European car experts, servicing all Mercedes, Audi, BMW, and 
MINI models. We stand by our motto: By focusing on these brands, our mechanics are able to offer dealership-quality services faster and more affordable!
We have a convenient towing service, after-hours drop off, and free wi-fi in our waiting area. At Turning Wrenches, we offer a 3-year/36,000-mile warranty on all parts and labor. We specialize in oil changes, tire and wheel services, CV and drive axle repairs, suspension service, wheel alignment, belt and hose checks and replacement, exhaust system services, brake services, wheel balancing, and emissions testing.
We consider ourselves to be the most comprehensive auto service center and dealership alternative in the Louisville area. Affordable pricing and quick turnaround times are our goal. We will always provide honest answers and friendly service.
At Turning Wrenches in Louisville, KY, we are happy to provide your Mercedes with the very best care for your vehicle, no matter what problem you bring to our garage. Our team of qualified mechanics are happy to help with routine maintenance to prevent costly repairs down the road. Contact us today to set up your appointment. We look forward to seeing you soon and earning your repeat business.
* Mercedes-Benz Car image credit goes to: y_carfan.
