S-Class (W220) 1999-2006: S 320 CDI, S 320, S430, S 500, S 600

Unknown part in front left wheel well was clicking and drained the battery

Old 11-14-2018, 05:12 PM
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2002 s430, 2005 2500HD, 1992 400SE, 1885 300SD
Unknown part in front left wheel well was clicking and drained the battery

I removed the front left wheel and the splash guard to the right and found a fist sized electrical component which was clicking. I think it is part of the front door airmatic system, but not sure. Has a special MB star key bolt holding it in place. I unplugged it and the noise stopped, so that's a start. I have some photos to help.




Old 11-14-2018, 06:58 PM
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2002 s430, 2005 2500HD, 1992 400SE, 1885 300SD
I think its part of the airmatic front door system, but need more info.. Please respond with any suggestions or if you know the name of this part. Thanks.
Old 11-14-2018, 07:05 PM
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2003 S500 2007 GL450
Perhaps the alarm system module...
Old 11-14-2018, 07:13 PM
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Thanks. You were right! Guess I can disable it until a new part arrives.

https://www.pelicanparts.com/More_In...BoCjUQQAvD_BwE

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