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Old 07-03-2003, 05:03 PM
Registered User
Join Date: Sep 2002
Posts: 21
Dead power window - 300e

The passenger side front power window on my 91 300e 4matic is stuck in the down position. All 3 other windows work fine. Replaced the fuse, tried pushing the window switch while opening/closing the door to jiggle any loose wires, etc. There is no noise whatsoever when I press the window switch. Any idea on how to proceed?

Thanks in advance

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Old 07-03-2003, 05:09 PM
mike690003's Avatar
Registered User
Join Date: Apr 2003
Location: Miami,FL
Posts: 807
Take out that window switch and replace it with another one of your window switches. The switches themselves sometimes go dead. If that doesnt work:

Take that door panel off
press the switch and listen if you hear the window motor working
If you hear it making a noise, then lubricate the window regulator
My cars regulator was stuck about 4 months ago.(I dont know why) and I did those steps and then I sprayed it down with WD-40. Its been fine ever since.
1987 mercedes 300E
1995 e320 conversion(hated the 300e grill)
HID/Xenon (D2S)
Keyless Entry
Monochromatic Paint (Custom Blue)
Smoked Tails
Flat Badged (front)
Debadged (rear)
custom "carbon fiber" console
18 inch HP EVO rims
Sold! Now I drive a Monte Carlo SS

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Old 07-03-2003, 08:46 PM
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Join Date: Mar 2003
Location: Milwaukee Wisconsin
Posts: 1,149
I had a stuck regulator as well and I sprayed it down witrh WD40 as Mike above. It got the regulator working, but now I can't seem to get rid of the smell of the WD40. In retrospect, I would try to find something else to lubricate with. 3 months later and when the car sits a few days, the smell is quite noticeable. Tod
Resistance is Futile.
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Old 07-03-2003, 10:00 PM
Registered User
Join Date: Sep 2002
Posts: 21
Thanks for the replies, guys. It was a dead switch. Pulled off the console cover, pried off the bad switch, picked up a new one at the dealer, and everything was fixed within an hour. So now I can enjoy the a/c during the 90 degree heat we getting here in Minneapolis this weekend!


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