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I have a 2002 C320. I am having horn problems. I checked the horns and they are ok. I am looking for the location and description of the horn relay... Please Help!
It should be in the fuse box in the engine compartment on the driver side.
It is fed by fuse # 43 in the box. This is for my 2002 C200.
Yours should be the same.
Shan.