Power Window May Fail Due to Window Regulator on Mercedes-Benz S420

One or more door windows may stop working due to a failed window regulator. Replacement of the failed regulator will be necessary to correct this concern.

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Average mileage: 143,515 (54,000–213,000)
6 model years affected: 1994, 1995, 1996, 1997, more1998, 1999
19 people reported this problem
9 people shared problem details
Windows do not raise up or roll down.
back windows dont work. If you put them down they dont come back up. Is this a recall that is covered?
Back passenger window won't go up!!
window wont come down or go up
Rear Passenger window will go down but will not up. Power windows. Replace regulator.
Rear left window does not close completely,
Window would not roll up. Mechanic removed door panel and had to order new window regulator. Estimated cost for parts and labor: $300.00
I heard a pop in the window regulator which bust the window on the driver's side. It sounded like someone had hit the window with a baseball bat. Immediately I could hear glass fall within the door and then the window slowly started to slide down.
Replaced Convenience Module in trunk with a used part procured online for $150. Resynchronized windows. Works perfectly.
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