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
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problem details
1995 Mercedes-Benz S420 68,000 mi,
back windows dont work. If you put them down they dont come back up. Is this a recall that is covered?
1996 Mercedes-Benz S420 134,721 mi,
Windows do not raise up or roll down.
1997 Mercedes-Benz S420 132,000 mi,
Back passenger window won't go up!!
window wont come down or go up
1998 Mercedes-Benz S420 54,000 mi,
Rear Passenger window will go down but will not up. Power windows. Replace regulator.
1995 Mercedes-Benz S420 177,888 mi,
Rear left window does not close completely,
1997 Mercedes-Benz S420 152,000 mi,
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.