CLK-Class (W209) 2003 on: CLK 270 CDI, CLK 200K, CLK 200 CGI, CLK 240, CLK 320, CLK 350, CLK 500, CLK 550 [Coupes & Cabriolets]

Driver's Side Seatbelt Extender Not Working

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Old Mar 31, 2018 | 05:08 PM
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From: Ho-Ho-Kus, New Jersey
'07 CLK 350 Coupe, '03 E500 Sport;'02 E320 4Matic; ,08 Jaguar XJ; 10 E350 '65 Alfa Giulia Sprint GT
Driver's Side Seatbelt Extender Not Working

My 2007 CLK 350 Coupe has a problem with the seatbelt extender. It started making clicking noises a few months ago and, of course, I ignored it. Now it makes a clicking noise and the arm does not extend. I'm sure there is a nylon gear inside of it that has broken. Before I attempt to take everything apart and screw things up I wanted to see if anyone has a description or, better yet, a video of how to take off the rear interior panel to get to the mechanism.

Does anyone have instructions and a description of the internal mechanism? Is the mechanism sold as a whole part to be replaced or are there separate parts that can be replaced? I'd just like some info so I can take it apart without damaging anything.

Last edited by Alfa Fan; Mar 31, 2018 at 05:12 PM.
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Old Mar 31, 2018 | 08:07 PM
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Here's the WIS doc for panel removal on the coupe:

http://benzbits.com/w209/RemoveSidePanellingCoupe.pdf
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Old Mar 31, 2018 | 08:07 PM
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2008 CLK550 Cab
There are threads on removing the panel. You can slowly just feed the extender arm out of the motor before you starts just by pulling on it. The mechanism inside is not much. It's a small Bosch motor connected to a small transmission - the gears you are talking about. I'm sure you cannot buy just the gears, and I doubt you can buy the transmission w/o the motor. But check eBay. There are usually some there.
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