hi I have a 2001 C320 and my problems continue. the first thing a few months ago my battery would run down. once i recharged the battery the power seats would not work. I took it into the dealer and he said the power seat controler was bad and to replace it. I did that on the drivers side and the seat on the drivers side works and no discharging battery. At that time the passenger seat still did not work. now the ESP light is on and this AM I get in the car and the drivers seat has moved all the way to the forward position and will not move. so now neither set moves again, the alarm locks and unlock all the doors but the drivers door, the tilt steering does not move, the power windows will not go down at any door and the outside mirror works on the passanger door but not the drivers door. Oh my gosh what can I do, this is crazy it is not a flood car or struck by ligting and a very nice well taken car of car but i can only imagine what this would take to fix at the dealer.

The early W203 chassis seat computers are VERY bad..replacement is the only fix. they can cause the complete interior network to go CRAZY!

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thank you is that the power seat control module underneath the seat on the floor? Now re i replaced the one on the drivers seat about three months ago. even when I replaced that one the passenger side still did not work so i guess there is one for each side and is it likely before that it could have gone out as a pair at the same time? Thanks for answering me back.

Yep, definitely sounds like it has gone bezerk.

Try the door control module, not the seat module. no windows, mirror, steering wheel control etc leads me to believe thats your culprit. Signals for those devices all go through that module, it is located behind the door panel clipped to the door itself.

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1980 500SE/AMG Euro
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I agree, I saw more DCM (door control module) problems than seat modules, but yes seat modules too. Plus the DCM controls the SCM, plus the DCM would also affect windows and mirrors. I believe the DCM also affects the steering wheel adjustment (may be the drivers SCM). Not sure on the door locks, isn't the switch (other than using the remote key, I mean the button inside the car) on the panel above or below the radio?
Gilly

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