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· Outstanding Contributor
2006 ML500 2002 ML320
17,942 Posts
Look at the diagram below, and #'s 1 & 2 fit in and slide in #3 and #4 fits in and slides in #5. #1 or 2 has broken, causing your problem which means you need a new window regulator, part #163 720 12 46.

Remove the door panel, see pdf below and look for yourself what is broken. Then you have the alternative of doing it yourself, which will require drilling out the rivets and then replacing the regulator, which requires about 6-8 rivets, part #003 990 24 97 and the use of a two handed rivet gun, or you can simply take the truck to any place in your area that installs automotive window glass. They probably won't have the reg. in stock, so ask them if they will install the regulator if you supplied it. These guys can do it in an hr. and a half, probably as you wait. Going to the dealer will be much more expensive.


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