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Old 06-08-2005, 09:42 PM
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Exclamation Help! W126 Wipers

Hey guys... been pretty rainy here in FL for the past couple weeks, and unfortunately, my windshield wipers went stupid.

I pulled up the plastic covering under the windshield enough to get a look at the assembly, and turned the wipers on, the motor works, but the arm that moves the wipers is no longer attached to the motor. Maybe some sort of clip or something broke?

I couldn't figure out how to get the wipers off, so I couldn't get the plastic covering completely off the car... on my Cadillac STS the whole arm will just pull off with force; however, this is my first Mercedes-Benz and I don't know very much about them.

SO... if someone could explain to me or send me a link or something that explains how to fully remove the assembly to somehow re-attach this arm
I would be most grateful.

1987 420SEL "Big Frau"

Last edited by Luminaerien; 06-10-2005 at 12:16 PM.
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Old 01-20-2007, 04:58 PM
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Join Date: Jan 2007
Posts: 3

My experience with a '89 300SE may be helpful.

The wiper arms are held on by a nut. The plastic cover needs to be flipped up (indentations on the sides need to be spread out) to expose the nut. A puller will likely be needed to pull the arm off the spline.

As to your other problem, I am guessing it is the same as what I experienced on my '89 300SE. A complicated linkage system called a transmission has a link held onto ball joints a both ends. A plastic socket, which also has a rubber dirt cover like a washer, likely has worn and cracked due to age. Hence the link does not stay on the ball joint and has fallen down on the one end.

The problem is that you cannot buy just this plastic socket. You can only buy the entire transmission. You can use the existing motor. I ended up drilling and tapping the end of the ball and put a 10 24 bolt through the end of the plastic cap with washers on both sides. I also suggest using a spacer, or grind the threads off smoothly where the bolt goes through the plastic to prevent wear and elongating the hole. Drilling this ball is difficult as it is a hardened tool steel. You will need a drill press.

Hope this is of help.
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Old 01-20-2007, 07:42 PM
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Join Date: Feb 2005
Location: Cleveland, Ohio
Posts: 1,810
This may solve your problem:
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