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  #1  
Old 12-06-2008, 07:10 AM
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97 e420 help window goes down on its own

my front passenger windows keeps going down on its own I have to hold the window button up while i drive to keep it from going down on its own.
Could I just remove the window fuse to prevent this.
Anyone else have this problem?
ps I live in mn so this could be a problem with the below zero temps and all.

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  #2  
Old 12-06-2008, 02:30 PM
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Location: Walnut Creek, CA & 1,150 miles S of Key West
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Have you tried cleaning the switch with spray on electrical contact cleaner?
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  #3  
Old 12-06-2008, 03:37 PM
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Can you try fixing the switch? That is a likely source of the trouble from your description. I don't have that car though. The fuse trick could work but what else is on that circuit? You might knock out a lot of things.
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  #4  
Old 12-07-2008, 12:23 AM
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I did spill a little soda on the center console which is probly the reason my window is moving down on its own, but now it down all the way and will not go up.
I have popped open the center console but cant get the wires to come out do i need a special tool. Also when i disconcet the window wires will the alarm go off?
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  #5  
Old 12-07-2008, 04:20 AM
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Join Date: Jun 2003
Location: Chesapeake,VA
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Window INOP

No the alarm will not go off. The most likely remedy would be to changed the window switch out. Hopefully the soda spill will not mess up the electronics in the gear shifter. Good luck

p.s. I have very little luck with the window switches on that model after being subjected to liquids. Always have to change the switch!!
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  #6  
Old 12-07-2008, 05:22 AM
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benz tek have you had this problem before? Also I cant seem to remove the wire plugs connecting to the power switch can i just spray the button without removing the console?
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  #7  
Old 12-07-2008, 04:11 PM
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Location: Walnut Creek, CA & 1,150 miles S of Key West
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Quote:
Originally Posted by jayman420 View Post
can i just spray the button without removing the console?
Usually, Yes.
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09' E320 Bluetec 77k
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  #8  
Old 12-07-2008, 06:08 PM
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Join Date: Jun 2008
Posts: 92
Window Problem

I have a 92 300E that gave me a similar problem last year. Sometimes it would drop on its own or refused to go up until I shut the ignition off and a few minutes later it would work. My problem was the Convenience Control unit located under the rear seat on the drivers side.This unit controls all of your windows, sunroof and door locks. Hence the name is convenience controls.
I found it for about $250.00 and it was an OEM MB part. It is easy to put in provided you have the tech and mechanical skills. Having lived in MN for 20+ years you definitely don't need that problem this time of the year.

Good luck,

Tarheel75

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