Gas Recirculation Valve (egr Valve) Problems of Mercedes Benz C320

Malfunctioning seat control modules drain battery in 2001 C320 Mercedes Benz. Not long after purchasing the car in January 2008 with 51,000+ miles, I paid $175 dollars for a new mbz battery, before asking dealership to disconnect seat control modules. I was not prepared to pay $1200 to replace modules. June 25, 2010, my 2001 C320 stopped during a trip to phoenix, az from California, due to fuel pump going out. My 79 year-old mother and I waited in 100+ degree weather for a tow, which took 3 hours to get to phoenix mbz dealership. Oakland service rep never suggested replacing, although the car was serviced during the suggested mileage for replacement. The phoenix dealership initially replaced original fuel filter, and never thought to check if original fuel pump needed replacing. On June 28, 2010, my car stopped again on the return trip to CA, and we were towed back to az, where fuel pump was replaced. The incident cost me almost $2,000. 00 more than I planned to spend, while attending my graduation ceremonies in arizona. Considering the expense to maintain a mercedes, as well as the cost of the car, you would think the service staff would be more proactive with customer service. I suggest mercedes create a better warning system for equipment failures like the seat control modules and fuel pump. I also suggest mercedes consider lowering their service prices, so the average "joanna" can pay the maintenance to keep a dependable car. The valve cover gaskets were leaking oil and transmission electrical connector was leaking. Updated ivoq 09/10/10.

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The contact owns a 2001 Mercedes Benz C320. While driving approximately 20 mph on normal road conditions, the engine stalled without warning. The engine warning indicator remained illuminated on the instrument panel until the engine was turned off. The vehicle restarted after several attempts and was taken to the authorized dealer for diagnostic testing. The technician stated that the failure was related to the engine control module (ecm). The vehicle was repaired according to the service warranty. In addition, when the outside temperatures exceeded 100 degrees, the vehicle would shutter. When the vehicle has been parked for a couple of days, the electrical system rapidly drains the battery. On three separate occasions, the vehicle was taken to an authorized dealer for identical failures without resolutions. The vehicle has not been repaired. The failure mileage was 1,079 and current mileage was 85,000. Updated 2/5/09 the consumer stated the air mass sensor was repalced. Updated 02/10/09.