The window regulators on the Mercedes W204 are riveted to the inner door panels and cannot be bought separately. While this is getting to be more common on modern cars, it can be very frustrating when transferring over other components like speakers or locking mechanisms that are either plastic or metal riveted to the panel. On the front door panel of the W204 you will need to drill out the speaker and air bag sensor rivets and melt the door locking "rivets" to transfer these components to the new panel.
This article will show you how to remove your front door panels to access the window regulator. It is not a difficult job, but door panels can be very expensive so take your time and double check things. Also, if you are going to be working on your own car, it is a good idea to purchase a set of trim removal tools. They are a set of hard yet flexible plastic tools of different shapes and sizes that are used in removing trim pieces. They work a lot better than a flathead screwdriver, and there is nothing worse than ruining a "do-it-yourself" project by scratching up your car or damaging expensive interior pieces. Pelican sells a full line of these tool sets for under $20.
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Time: 6 hours
Tab: $220
Tools: Trim removal tool :www.pelicanparts.com/Mercedes..., T30, T27, T25, T20, T10 Torx driver :www.pelicanparts.com/Mercedes..., soldering iron :www.pelicanparts.com/Mercedes..., drill, rivet tool :www.pelicanparts.com/Mercedes...
Parts Required: Door panel with window regulator :www.pelicanparts.com/cgi-bin/..., rivets
Hot Tip: Melting the plastic is really tricky
Performance Gain: Working windows
Complementary Modification: Fix any broken door clips
Applicable Models:
Mercedes-Benz C250 (2012-14)
Mercedes-Benz C300 (2008-14)
Mercedes-Benz C350 (2008-14) :www.pelicanparts.com/catalog/...