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How do I check all of the power and grounds on my 300SDL?
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05-23-2018, 03:13 PM
BWhitmore
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Join Date: Sep 2013
Location: Alhambra California
Posts: 3,129
It sounds like you have an electrical ground problem. Mercedes uses a brown colored wire as grounds. Check these wires for a good ground also also check your engine ground strap.
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