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Month: September 2018

Mercedes-Benz C63 AMG

Why Do You Face 13-Pin Connector Issues in Your Mercedes Benz?

Mercedes Benz is a name that carries the weight of elite status, particularly here in the US. The name makes us picture elegance and luxury, and if you own a Mercedes Benz, you know that is accurate.

What you may not know is that they may suffer from an infamous transmission problem with that very car that awards them so much status. The 13-pin electrical connector in the automatic transmission may leak transmission fluid. Over time, leaking fluid migrates through the wiring harness and damages the transmission control module, causing the car to lose communication with the valve body. This problem is common with Mercedes Benz cars from 1998 up to 2008.

Often people and even mechanics misdiagnose transmission problems, thinking they need a new valve body or even transmission. In reality, the problem is often that the transmission connector plug leaks oil at the rubber O rings. So before you do anything else to your car, replace this plug and add transmission oil to eliminate this common problem. It is a simple task you can do yourself.

The key is to catch this early. Newer models have double O rings which are much more resilient to leaks. If you do not catch it before too much fluid has leaked onto the control module, you will have to replace the entire control module and harness.

Causes of 13 Pin Connector Problems

There are at least two issues that can cause leaks in the pin connector in Mercedes Benz cars. The first is that one of the 13 pins can break off. A break like this prevents the connector from holding in place correctly and invites the possibility of transmission fluid leaks. In a pinch, some owners have tried to replace it with a hypodermic needle that has been cut to size and superglued around the base. That is not an ideal fix, but it may buy you some time until you can get to a specialty European auto mechanic, such as Euro Plus Automotive.

The second cause of pin connector leaks is the degradation of the O ring. If it is not clean and snug in place, or if it has worn thin, it needs a replacement. Again, the key to keeping these maintenance costs low is early diagnosis and prevention. Once the fluid has damaged the control module, the costs for repair and replacement rise significantly.

Mercedes Benz 13-Pin Connector Issues

Symptoms of 13 Pin Connector Problems

If early detection is the key to taking care of 13 Pin Connector problems, what are the symptoms to let you know something is going wrong?

All the symptoms are transmission related. Your transmission may go into “limp mode.” Shifting can become stuck, or it can become erratic. Eventually, the problem grows from hard shifting to no shifting at all. If you start to notice problems shifting smoothly, especially in engines built 1998-2008, get your 13-pin connector checked out immediately.

Can you diagnose this problem yourself?

Sometimes, if you catch the problem early enough. When you first notice transmission trouble, try this:

1. Pull over and turn your car off. Remove the key.
2. Do not press any pedals or other buttons on the car.
3. Wait at least 20 seconds.
4. Restart the car and drive it again to see if it is out of limp mode.

Mercedes-Benz Transmission You can also take a look at the 13-pin connector and see what is looks like — are all the pins still there? Does the O ring appear to be in good shape? If you spot any issues or don’t understand what you’re looking at, it’s time to get it to the shop for an expert to take a look.

While the 13-pin connector O ring may be a weak spot in the transmission of Mercedes Benz, the transmission itself, mainly those built 1998-2008 are still among the best built. The key is proper maintenance and getting it checked out as soon as you notice the early symptoms. If you live in Los Angeles County, CA or the San Fernando Valley, particularly near Canoga Park or Woodland Hills, come speak with our expert service technicians at Euro Plus Automotive. We have years of experience on European vehicles, so we can diagnose the problem and get you back out on the road as soon as possible.

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

BMW Clutch Repair

How Does a Bad Clutch Affect Your BMW?

BMWs are a popular vehicle; ranging from a mid-size family sedan to a sporty coupe, these versatile, stylish cars provide a wealth of opportunity. The German love for reliability holds true, and the well-engineered BMW will always be there for you. Consistency, attractiveness, styling, and power come together to provide the perfect car for all scenarios.

However, regular wear and tear can—and of course does—occur, even in these gems. One area that can be problematic is the clutch. While a bad clutch can be an issue in many cars, it’s particularly important in a BMW. When driving a manual, a bad clutch can imperil portions of the rest of the car, which you want to avoid when driving an expensive and well-engineered car.

Common Complaints

When dealing with a potential clutch issue, most car owners and even some mechanics will immediately jump to a clutch replacement. This isn’t always the case, and only some complaints actually need the pricey repair. The most common complaints that drivers have about their clutches are: even with the clutch pedal pushed down the shifter won’t move into gear; the clutch pedal has to be pressed to the floor in order to shift gears; the clutch pedal itself feels loose or unattached; there is a knocking or shifting sound when the car is in neutral; the engine begins to rev up faster than expected in any given gear; the car doesn’t move immediately after the clutch pedal is released, or the vehicle doesn’t move at all; there is any kind of strange noise when the clutch is pressed; or there is a vibration of the pedal when the clutch is engaged.

While all of these are real problems and do need mechanical attention, it’s likely that only the second half of the list requires a clutch replacement. The others are caused not by clutch disc wear, but generally by some kind of fault in the hydraulic system, or an issue with bearings or gears in the transmission.

Any kind of poor performance on the part of the clutch is always going to impair the ride—and therefore your enjoyment of the vehicle. This is a particularly large problem in a BMW, because the high-quality ride and comfort is compromised if your clutch is not working correctly.

Best Avoidance Practices:

The best way to avoid clutch problems is to reduce clutch wear. Wear only occurs during the time the clutch is being engaged and disengaged; the rest of the time it’s spinning at the same speed as the flywheel, and no friction is caused. If the clutch is engaged or disengaged suddenly or harshly, the clutch wears out a lot faster, so it’s necessary to disengage/engage the clutch pedal gently and carefully. This is especially prevalent in changing to first gear, as that’s where a majority of severe clutch wear occurs.

Other causes of clutch wear include excess weight—like pulling a trailer—and constantly going up and down hills, as more acceleration increases friction.

As with all car-related issues, the best way to make sure that your BMW will remain in tip-top shape is by following the maintenance schedule rigorously and taking it into the shop if there are any questions. Most clutches are designed to last around 75,000 miles, so with careful use a clutch replacement should rarely be necessary, provided you take responsible and safe care with the vehicle.

Bad Clutch's Impact on BMW

Of course, having a competent, available, and local mechanic to take care of all your needs is a must. Look no further than Euro Plus Automotive, a German and Japanese service facility in Canoga Park, CA. We also serve Woodland Hills, San Fernando Valley, and Los Angeles County with our expert and certified technicians.

BMW M2 With a car as nice as a BMW, you want to make sure that you’re getting the quality car service that you deserve, and Euro Plus Automotive delivers. Our technicians are specialized and certified to uniquely work with any car that you bring in, and we have the latest computer diagnostic equipment available. Since 1984, we’ve been providing dedicated, unparalleled service to their customers. When in doubt, take your BMW to Euro Plus Automotive, and be confident that all of your problems will be solved.

* BMW M2 image credit goes to: teddyleung.

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