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1993 Mercedes-Benz 300SE & 1998 Mercedes-Benz C230
258 Posts
Discussion Starter · #1 ·
Would anyone happen to know if the front crankshaft sensor on a M104.990 engine does anything? I inspected my front sensor and found the wire on the left side fender harness was cracked w/ the grounding touching the metal. However, I don't see it plugged into anything?? The sensor wire is in the bottom of a connector, that has a cap on the top & no plug that plugs into it??

I replaced the sensor w/ a spare I had (first time) for this sensor. I understand that the parts diagram shows a front & rear crankshaft sensor for my car (1993 Benz 300SE).

Any insight is appreciated. Thank you.
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