power window question - repair or replace? - PeachParts Mercedes-Benz Forum

rgnprof · #1 10-13-2006, 12:56 PM

I have had ongoing problems with my driver's side power window - will work part way and then grinds and will only continue up or down if I grab and pull up or push down while operating the switch. Found the problem today - the white, plastic gear (2 5/8" diameter) inside the motor is missing some teeth. Is this repairable and is this gear available - can I just pull the gear and replace? If so, how - I'm not sure I see how to get it out.

If not, is my only option to replace the motor? And if that is the case, how do I get the motor out?

Thanks much,

ryan

1978 300D

rgnprof · #2 10-13-2006, 02:14 PM

Adding a picture - you can easily see the gear in the picture, which I accessed by removing the cover plate on the motor.

Ryan

Samuel M. Ross · #3 10-14-2006, 02:32 AM

Quote:

Originally Posted by rgnprof

Adding a picture - you can easily see the gear in the picture, which I accessed by removing the cover plate on the motor.
Ryan

I'm thinking that IF you are forced to buy a replacement new... it will mean purchasing the regulator motor & gearbox which has to be over $100... so I would try a salvage source. OnLine I can only think of **************.Com.

You have to:
(1) Disconnect the glass from the regulator... then
(2) Remove the regulator and motor/gearbox... then
(3) Repair/Replace the plastic gear or gearbox OR entire motor/gearbox AND
(4) Be persistent and don't give up. For me this a tough, time-consuming project. In my case it was the semi-circle gear on the regulator that had stripped out.
(5) Be sure to replinish/make sure there is a good supply of grease inside the gearbox.