Red battery light and car unlocking without key

Sl500 2003

Active Member
Joined
Aug 16, 2020
Messages
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Your Mercedes
Sl500 2003 5.0 v8
Evening all, iv got a red battery light on which iv been waiting for weather to clear before checking fuses.

Iv noticed when i lock car it unlocks it self. I
can hear lock clicking when car is parked also.

Anyone ever had this issue?.

Thanks
 

mioba

Senior Member
Joined
Feb 19, 2006
Messages
8,263
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Location
Nottingham and Köln
Your Mercedes
W124/E200, W220/S320CDI, W205/C200, W251/R350CDI 4Matic
Sounds like a stuck DCM draining battery. Codes need reading.
 

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