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-   -   300e power window problems (http://www.peachparts.com/shopforum/tech-help/41435-300e-power-window-problems.html)

brockley 07-03-2002 01:23 PM

300e power window problems
 
I am in need of some help with my front passenger side power window. I took my car into an MB shop and they said the motor was dead but they wanted way to much to repair it along with the back window and vacuum pump for the door locks so I had them do a service and bought the parts separately to do when I got the car back. I have done everythign else except the window. I see that the motor is connected to the regulator by bolts. I also know that you have to lower the window to remove teh regulator but the bolts for the motor are not accessible without removing the regulator. How can I get the wondow to roll down if the motor is dead? Is there a manual override like with the sunroof? All the wiring is fine, just a dead motor. Any help would be greatly appreciated.

MB STARS 07-03-2002 06:53 PM

On 124 300e rear window motor is come with reg if your window is up position just cut the cable dorp the window this way you can replace reg with motor.

jwiggin 07-03-2002 08:12 PM

Brockley:

I had this problem several weeks ago. Posted a question, but no one responded. The MB shop manual and everything else I've read say the first step is to lower the window. How if it's stuck?

After removing the door liner and weather proofing you will find that there are 5 bolts which secure the window regulator. Two secure the regulator arm which is used for adjustment. They come off easily. The other 3 secure the motor side. I found that they had immense pressure on them and could not be moved after taking off the nuts. (Notice that if you hold the switch in after window reaches the top the door will bulge out towards the inside of the car). I put the nuts back on the ends of the bolts and managed to knock two of them in with a hammer. At that point the pressure was released enough for the regulator to lower a little. Guess what? I tried the switch and the motor brought the window down. Put everything back together and it has worked fine since, so maybe you don't even need a new motor.

Oh yeah, remember to secure the window at the top with a wedge or duct tape before you remove all 5 bolts or it might come crashing down. Lots of sharp metal in there--don't want to lose a finger.

Good luck.


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