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  #1  
Old 01-14-2003, 01:23 AM
Deborah
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Unhappy 1992 300e 2.6

Today, I had my car serviced (as always) at the dealership -- oil change and front brakes.

When I arrived at the shop, my driver's side window was working; however, when I picked up my car, the driver's side window had mysteriously stopped working. I know brake work doesn't require disassembly of the door (duh!), but I'm wondering if it's possible for the window to malfunction if, say, the door was slammed or manipulated in some way.

The dealership says it doesn't know that the window was working before I dropped off the car, but I am concerned that the door was possibly handled improperly which caused the window to stop working. By the way, when I press the button, I can hear the power window motor running, so I know something in there is still working! Please respond ... I pick it up in the morning and would like to be able to address my concerns.

Thanks for your help!

P.S. I have 137,000 miles on my car, and have never had anything like this go wrong with my otherwise lovely car!
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  #2  
Old 01-14-2003, 06:15 AM
Registered User
 
Join Date: Aug 2002
Location: Plymouth, Devon, UK
Posts: 62
Hi,

If you can hear the motor running, then it will probably be one of the following.

1). Stripped gear on motor output
2). Stripped gears in motor gearbox
3). Stripped teeth on the window regulator

You could be lucky, and something might have come loose with the regulator, but the only way to find out is to remove the door trim and have a look.

I doubt the dealer caused this by action or lack of action, this was probably just waiting to happen.

Either way, it's gonna cost to fix. I just replaced a motor, and it cost me $200 for the motor, and I fitted it myself !

Regards,

Richard
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1989 W124 300E
1991 R129 500SL
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  #3  
Old 01-15-2003, 12:30 AM
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Join Date: Apr 2000
Location: LEMONT-CHICAGO
Posts: 412
I have had to replace the driver door regulator twice and the rear passenger door regulator once. It is a common problem on these cars. But it is a relatively easy fix. The parts are readily available and not that expensive.
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1990 190E 2.6
1996 Grand Voyager 3.3
1985 Mustang GT 5.0 5 SPD
1982 Suzuki GS 750T
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  #4  
Old 01-15-2003, 02:24 PM
G-Benz's Avatar
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Join Date: Apr 2001
Location: Dallas/Fort-Worth
Posts: 5,711
I've done both rears on my W124 and replaced whole assemblies for about $140. The fronts are more expensive.

Usually the track assembly components fail, not the motor.

You can remove the door panel and disassemble or replace the offending part(s) yourself.

I believe the parts are now available (for a few dollars instead of hundreds), so you may not have to go out and buy a whole assembly.
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