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Old 02-17-2002, 09:19 PM
A. Rosich's Avatar
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Join Date: Nov 1999
Location: San Jose, Costa Rica
Posts: 883
Power window refuses to stop

The driver's door power window on my 1995 E320T makes an awful noise when it fully closes and you do not let go of the switch. This happens also when closing all the windows with the comfort feature.

The motor keeps moving and a loud continuous tack sound is heard from the mechanism inside the door.

There is no problem when the window is opened.

What could be causing the problem and how may I fix it?

Thank you in advance for the input.

A. Rosich
S320, 1998
E320T, 1995
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Old 02-17-2002, 10:56 PM
unkl300d's Avatar
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Join Date: Jul 1999
Location: San Francisco, Ca
Posts: 2,285

My w126 300SE recently had a similar problem.
Do a search on the archives.

My indow regulator had to be replaced. Some of the teeth were shot. The sheetmetal frame onto which the regualtor is bolted bends a bit outward when the window is closed too tight.
This can cause a tearin that area. That can be expensive.
Open up the door panel and inspect .
For the time being, just roll up the affected windows slightly snug then tap it in until no wind noise is heard.
No need to jam it all the way up, sp. with an automatic

Simple cause may be dirty-sticky window guides.

Don't let it go!!
good luck

1979 300D 199 K miles
1995 C280 95 K miles
1992 Cadillac Eldorado Touring Coupe 57K miles
1979 240D 140Kmiles (bought for parents) *SOLD.
1989 300SE 148 K miles *SOLD
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Old 02-18-2002, 06:56 PM
A. Rosich's Avatar
Registered User
Join Date: Nov 1999
Location: San Jose, Costa Rica
Posts: 883
Thank you very much for your answer.

It sounds like the frame is bent as you mention. I'll inspect the guides this weekend and find out.

A. Rosich

S320, 1998
E320T, 1995
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