Front Seat Power Adjust Problems of Mercedes Benz C320

The contact owns a 2002 Mercedes Benz C320. The contact stated that the vehicle failed to start. The vehicle was taken to the dealer where the technician diagnosed that the power seat module was draining the battery and as a result, it needed to be replaced. The manufacturer was not made aware of the failure. The vehicle was not repaired. The failure and current mileage was 81,000.

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I have a 2002 mercedes C320. My battery is dead after seating overnight. Took the car to the austin mb dealership to diagnose the problem. I was told that the power seat motor is draining my battery. Both seats. Come to find out that many other people have experienced the same problem. I called mercedes USA and they said that since the car is out of warranty, there is not much they can do. That is bull!! obviously since so many people with this car model have the same problem, it has to be a manufacturer fault. I was wondering how many people need to experience this problem before mercedes will admit that they have a bad component on this model. I figured,if enough people call and tell mb that they have this same problem, they will realize that this is a defective part and they will issue a recall and pay for necessary repairs. Please call mercedes USA and report this problem. 1-800-for-mercedes (1-800-367-6372) or 201-476-6200.

Mercedes 2002 C320. Power seat control module for both driver and passanger drain the battery to a extent tha car can not be started up. Only solution is buy a new ($500. 00 plus labor) control module. I've done a research in different mercedes forums and it seems to be a common problem among these models. Mb dispite of all the people having the same problem has not issued any recall.

Power control seat & steering column module/regulator went out & before it did it use to drain the battery where car wouldnt start if sat for less than 24hrs, so had to unplug but now the entire system doesnt work plugged in. I can barely reach the pedals to drive properly, this is a safety hazard & needs to be a recall. It also needs to be a way to manually adjust. Thank you.

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Mercedes benz C320 2001 model. Power seat module shorts and drains battery. The constant draw off the system could at some point, cause a fire, while driving or over night in garage. 2 twice it was failed within a 1 yr time frame. Dealer charge $1000. 00 to fix the problem only to have it happen again. Dealer would not supply old part for inspection.

The contact owns a 2002 mercedes C320. When driving over a pot hole or bump in the road at speeds of 20 mph and higher, the contact stated that he heard a loud "metal to metal" noise coming from the front of the vehicle. The vehicle was taken to the dealer where the bushings were replaced under the factory warranty. Four years later, the failure recurred. The vehicle was taken to an independent technician who replaced the bushings for the second time as well as the front control arms. The front driver's side power seat failed and when taken to the dealer, he was advised that the driver's side front seat electronic control unit would need to be replaced. The repairs to the seat were made at the owner's expense. There were no recalls for the failure for his particular year, make and model vehicle. The right front turn signal also failed. He attempted to replace the bulb but to no avail. When the vehicle was diagnosed by an independent technician, it was confirmed that the wiring harness was defective. The manufacturer was contacted and provided no assistance. The failure mileage was 80,000 and the current mileage was 87,000.

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We own a 2001 mercedes C320 and have had several problems with the electrical systems all related to the power seat assemblies draining the battery over night. We have had them replaced by the dealer, first time was under warranty, and now- just about a year or so later, same problem. If we unplug the power seats, the batter does not drain. . Read more...

The power seat control units drain the battery, as they turn on and off during extended periods of rest.

I have a 2001 mercedes C320 which I can't really drive anymore because the battery drains every day, the problem is the power seat controller, it drains the battery really quickly.

Car battery drains due to a short in the power seat control units in my 2002 Mercedes Benz C320. Replaced battery, recharged battery numerous times. Every other owner of this make / model complains of same problem.

The car parked in the garage overnight and the morning I had an emergency at the business and could not start the car. The battery was totally drained. Had it towed to the shop to be diagnosed that it was the front driver side power seat that has drained all the energy from the battery even when the car is not running. The power seat is now continuously excessively drain the battery even when the car is not running. The consequences are that the car is not trusted to be able to start in an emergency situation when the car is needed for transportation. The car has very low mileage on it. The power seat has been rarely used and it should not fail for having been idle/not used for the length of time that I have own the car. I am the original first time owner of the car and I hardly have to adjust the power seat. I believe that the power seat is a manufacture defect and could be a dangerous impediment in an emergency situation. The are lots of mercedes owner who have experiencing the same malfunction in their power seats. I feel that with these many people, it warrants a recall by mercedes for all the power seats.

I have a 2002 mercedes C320 and the car's battery keep dying and I have to jump start my car every day. Battery was replaced and same problem happens again and again. I went online and found out that I am not the only person who has the problem. . Read more...

: the contact stated the vehicle failed to start. Upon inspection the dealership determined the power adjust on the seat controls failed to turn off, which caused the battery to completely discharge. The seat controls need to be replaced.

We have a 2001, mercedes C320 that we have to unplug the power seats on every time we get out of the car. The power seat module is faulty. Obviously we're not the only ones. . . Read more...

The drivers seat fails to return to the preset memory position. When inserting the key into the ignition, consumer noticed that the seat would not stop at the preset setting.