Hello all. I have a 1993 300e 2.8. The windshield wiper only works on the highest speed. Sometimes it will stop part way through and if I push it by hand it will resume. Is there a way to adjust the tension? Or does it just need grease? I am at a loss, I don't know anything about the one arm wiper system. Please help...

It needs lubrication, especially if it has never been done before. Depending on the version of your wiper, you may be able to take the clamshell cover off and grease everything without taking the whole wiper mechanism out of the car.

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1989 300CE

http://www.w124performance.com/service/Index/MiscFiles/MonoWiperv2a.pdf

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1989 300CE

thank you i will try this tonight

Thank you, mbzman.

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2004 E500 4Matic 138,000 miles

thanks mbzman