power window relay - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 03-21-2009, 10:48 AM Thread Starter
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Date registered: Jul 2008
Vehicle: 1971 Mercedes 280sel (w108)
Location: Nixa Missouri USA
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power window relay

I have a 1971 w108. I don't use the windows cause the driver side needs a regulator. When I tried, though, to operate the others, they didn't work. I'm figuring that it is because of a bad relay. I know the relay is back by the firewall on the passenger side, but I'm not sure which one it is. There seems to be about three relays there plus two fuse holders. Does anyone know which one it is specifically?
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post #2 of 2 (permalink) Old 03-21-2009, 02:02 PM
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Date registered: Mar 2009
Vehicle: 1970 280se
Location: CA
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You can get a new regulator at the below website,as for the relay they have them also.Your best bet would be to get a 12v light up tester and test across all the relays,have another person hit the window switch and see if you can get a light up and if your actually having relay problems, or it could be the window motor. I picked up a 6,12,24v dc mini tester at kragens for like 3-4$ it has saved me alot of trouble with electronics

window regulator

window motor

Last edited by 1970280benz; 03-21-2009 at 02:05 PM.
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