Hi All,

I have a 1983 300TD wagon.

The window suddenly does not stay up. I can move it freely up and down with my hand. The motor turns when pressing the window switch but no window movement.

Is it my window regulator or the motor?

I took off the door panel, nothing looks broken, the motor sounds like its working. The two gears that should move the window do not move when I press the window switch.

If anyone's had similar it would be a big help.

-Philip

There is a nylon part that breaks in the window regulator.You have to stakeit in after you get the old one out. My dealer carries the part for not much money. It is not a difficult repair. I have done 6 of them now. The part is cheap. I do not have the part number at the moment.

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85 300TD FED-Daily
84 300SD-Wife's
86 XJS-Sunday
66 GMC-Work- Given to my stepson
83 BMW Airhead- Given to my stepson

Dog bone, dog jaw... something about a dog. I bought a couple but never used them.. Had to get the welder out to fix the sheared regulator rivets I don't think it will ever break again lol.

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08 R320 CDI current

Past
95 E420
87 300D Turbo 5spd
90 300TE
83 300SD
85 300TD
92 400E
85 190D

Google "diy mercedes window regulator" and you'll come up with links to several that will show you step by step what's wrong, what you need, and how to fix it.

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1992 300D 305+K miles
1978 240D Sold

Thanks guys,

I'm going to look into the nylon dog bone part and the google "diy" seach.

-philip