Archive for September, 2018

How to Fix 13-Pin Connector Issues in a Mercedes

Understanding common problems in your Mercedes may help you save money and know what preventative measures you should take in order to ensure a long-lasting vehicle. The Mercedes is an excellent car, but it can still be susceptible to issues that could be costly. The better you know your car, the more confident you will be when a problem arises.

It is important to stay up to date on maintenance and keep detailed records of the work performed on your car. Make sure to read through your manual for recommended maintenance procedures. You can also consult your mechanic to see if you should be aware of any other work needed. Regular maintenance, not only helps keep the car’s performance consistent, but it can also help prevent many issues that may be associated with your vehicle.

What are common issues in Mercedes?

Like most cars, the Mercedes can experience some transmission issues from time to time. It is most commonly known for having issues with a faulty 13-pin connector. This issue is most commonly seen on Mercedes models produced from the year 1998 to 2008. It will present itself as an oil leak in the connector, which can be internal or external where the rubber O-rings are located. The 13-pin connector can cause a transmission slip, which causes transmission fluid to leak and can create problems with the valve body.

When the connector leaks, it is possible that this simple issue could cause potential worse issues for your car. The sooner the connector is replaced the better. The leak could damage the control module or the harness. If damaged, these also would need to be replaced. When dealing with a transmission issue, it is better to deal with the problem quickly in order to avoid one small issue snowballing into more costly problems. In addition to this problem leading to more serious issues with your car, it should be addressed quickly to ensure you have no issues when driving to help ensure both your safety and the safety of those around you.

Transmission Misdiagnosis

While a faulty connector pin is a common problem in the Mercedes, under-trained mechanics regularly misdiagnose it as a transmission issue. Usually the assumption is that the owner will need to replace their entire transmission, or they will need to replace the valve body. These replacements are both costly and labor intensive.

In order to prevent a serious and expensive misdiagnosis, it is wise to research your vehicle and to communicate with your reliable mechanic about this common problem. Having a basic understanding of your car and how it functions can be the difference between a simple, cheap fix and a fix that may cost you thousands.

What is the solution to a 13-pin connector leak?

The simple fix to a connector problem is to purchase a replacement part and replace the connector pin. Mercedes has designed an updated connector pin for this common problem, which is available for purchase. This can be a finicky repair, so it is recommended to see a qualified service technician.

When replacing the part it is important to replace the transmission oil and to have a dipstick to check the oil level. The transmission in the Mercedes is sealed without easy access because it is electrically controlled. When changing the transmission fluid it is recommended to use transmission fluid produced by Mercedes, but you can ask your local mechanic or auto store what they recommend.

Mercedes Logo

Experts You Can Trust

At Star Motors, we can help you identify if you are dealing with a connector pin issue in your Mercedes. Located in San Juan Capistrano, CA and easily accessible from other Southern Orange County areas, we have expertly trained mechanics to help service your vehicle. Trained in various European auto repair services, we will quickly be able to determine if you are dealing with a faulty pin connector. We specialize in luxury vehicles and are knowledgeable in new technologies that help us diagnosis and repair your car.

With decades of experience, Star Motors is dedicated to quality customer care and service. It is important to be able to have mechanics you can trust to maintain your vehicle and to fix problems with your car. Call today to schedule an appointment to get your vehicle inspected.

* Red Mercedes-Benz C63 image credit goes to: kurmyshov.

* Mercedes Logo image credit goes to: vesilvio.


Cars are one of the largest conveniences of our time that often goes underappreciated until drivers experience performance issues in their vehicles. One common performance issue that nearly all drivers report is, “my car vibrates when accelerating or driving at high speeds.” Since this is such a pervasive issue, it’s common for drivers to continue driving despite the concerning symptom. If you experience this issue in your own car, it’s important to bring it to a specialist for an inspection right away to spare your car further strain and damage and save yourself some money in unnecessary repairs. Here’s what you should know about car vibration upon acceleration and what you can do to prevent it.

The Most Common Causes of a Vibrating Car While Driving

It is your automotive specialists’ primary mission to determine the cause of the vibration that you’re experiencing in your car; once the source of the problem is detected, it can be resolved with the appropriate treatment interventions. These are the most common causes of vibration, or shaking, that you should know about:

Spark plug issues

Spark plugs are critical for ignition and combustion, they ignite the fuel/air mixture that makes your car go. The plugs themselves, or failing electrical wiring, put the engine under a great amount of strain and may be the reason behind the vibration and shaking.

Dirty air or fuel filter

As we mentioned, a perfect fuel/air mixture is an important for optimal performance. If the air or fuel filters are clogged, then the engine can’t get enough air or fuel and becomes strained. This leads to shaking when the car attempts to accelerate.

Engine mount failure

The motor mounts holding your engine in place are instrumental to the quality of your drive. If a motor mount is cracked, collapsed, leaking or damaged at all, it can cause your engine to vibrate intensely.

Brake wear

The brake system can encounter problems now and then that surprisingly leads to vibration while driving. Although the symptoms usually occur when applying the brakes, you may also experience them upon acceleration.

Suspension or steering issues

Faulty or failing suspension or power steering components are often the sources of vibration during acceleration. As the car generates speed, it puts more pressure on the suspension components – especially if the road conditions aren’t optimal.

Wheel and tire care

Proper wheel care entails tire rotations, filling tire pressure, wheel alignment, and wheel balancing. If any of these tasks aren’t upheld, it can lead to vehicle vibration.

The Importance of Preventive Maintenance and Ongoing Automotive Care

Preventing your car from vibrating when accelerating, or shaking at all for that matter, can not only make you feel safer in your car but keep your car performing optimally year round, which leads to the need for fewer repairs. These are a few other valuable byproducts of preventive maintenance:

  • Retains a car’s reliability
  • Retains a car’s value
  • Extends a car’s longevity
  • Upholds performance standards
  • Saves money in unnecessarily expensive repair bills

In terms of preventive care, there are a number of things you can do to keep your car from vibrating while accelerating. Here are a few suggestions that you should adhere to for optimal performance results and less intense and costly repair work:

  • Look for an automotive shop that specializes in the particular type of car you drive
  • Stay on top of routine maintenance and repair tasks
  • Don’t let concerning symptoms go unattended

When your car begins to vibrate at all while you drive, it can be concerning for your safety depending on where the original source of the issue is coming from. For instance, if the issue is related to the engine, you may eventually experience engine stalling, misfiring, or other serious symptoms related to engine performance.

Mechanic Checking Car Vibration Issue

What We Can Do to Help

The causes of vehicle vibration can range in severity, and it’s our job here at Star Motors to assess the problem accurately the first time, repair it properly, and follow up with preventive care for ongoing future maintenance tasks. Our clients come from all over San Juan Capistrano, CA and other Southern Orange County areas for our services because we believe that high quality automotive work should be affordable for all – especially for the luxury vehicles that we specialize in like Audi, BMW, Mercedes, Jaguar, Porsche, Land Rover, Rolls Royce, and Bentley. To take advantage of our expertise and affordability, please contact one of our helpful professionals to provide interventions for performance issues. Schedule an appointment online or call us today.