1985 300D wiper post stripped, repair? - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 08-31-2014, 01:09 PM Thread Starter
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Date registered: Aug 2014
Vehicle: 1985 Mercedes 300D Turbo Diesel
Location: Nashville, TN. USA
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(Thread Starter)
1985 300D wiper post stripped, repair?

I pulled off the wiper housing on my 300D to find the small metal post, on which the wiper arm is attached, is pretty well stripped. The motor still runs fine, as does the other(drivers side) wiper. Is their any trick to extend the life? Otherwise, where would I find instructions on replacement procedure, and maybe the degree of difficulty.

Thanks, Hotpatch
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post #2 of 2 (permalink) Old 08-31-2014, 08:35 PM
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Date registered: Jul 2014
Vehicle: 1983 300 TD
Location: Montrose, CO
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While I have not done this repair on a Benz, I Have done it on a VW. I believe it will work on a Benz. First, remove the arm and check the wiper shaft carefully... If you took a pick, could you clean the aluminum off the steel shaft, such that you can see the vertical lines on it again? If you Can make this happen, after cleaning each line, reinstall the wiper and put a washer on the shaft before the tightening nut. This will apply more pressure on the arm so that the stripped portion of the arm is pressed harder against the shaft.

I've done this on many Mk1s, worked each time. I will be surprised if the wiper arm isn't aluminum.
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