Question about 1987 Mercedes-Benz Mercedes Benz 400 Class

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Window regulators and related electicial system

I have a 1979 450SL Mercedes with a electrial problem. Both electric windows quit working at the same time. I checked the fuses, #3 #4 both are good, but I don't seem to have power to the swithes , any suggestions

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Of course the first thought would be the fuse so you might check it one more time. After that the one thing both side have in coman is the driver side as you can roll the pass side up and down from there. So you may have a broken wire or curcit on that side, maybe the power wire is broken in the rubber boot that conects the door to the car on that side. A simple test light would help track it down.

Posted on Feb 21, 2009

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