W210 Rear Window Regulator
The passenger side rear window on my E300 was in the down position and would not move to the up position. Car is still in warranty so I call the dealer and was surprised to find they said this is a common problem in the W210. According to them the rear windows are heavy and if the windows are not used regularly the window regulator fails. In fact before I could finish describing the probelm the service tech said "rear window right? We always have a problem with the rear windows in this model."
So I guess I'll have to start using the rear windows more often since the car goes out of warranty soon.
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