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Originally Posted by LarryBible
Well, I headed for Kansas City this morning in my 300E. My windshield wiper started hesitating at the corners, that is when it extends to the corners. It then got to where it was slower on high speed than low speed. By the time I rolled into town it would barely run and at one point I smelled a burning electrical smell which might not have even come from my car, but the wiper kept working, struggling, but working.
In your experiences, guys, will replacing the windshield wiper motor correct that problem or is it the mechanism that is binding up, or is the eccentric mechanism part of the windshield wiper motor?
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Larry,
I'm far from an expert on this, but have been doing some research on monowipers and have thought about overhauling mine just prophylactically. What I do know is that the eccentric mechanism is part of the wiper transmission, NOT part of the motor. I have read of a number of W124s where their wipers slowed down progressively until they stopped, and were able to be put back into service by overhauling the transmission and using a good quality lube. Hopefully that could explain the wiper problem and be a cheap fix (which is good since the monowiper tranmission is an expensive item -- I've heard about $700-900!)
On the other hand, what could explain both problems you're having? Maybe a bad ground under the hood???
P.S. I know you do your own repair work, but if you don't mind driving another 180 miles north, I know a GREAT tech here in Omaha (but watch out, we're getting hammered with snow).