I have a 2001 merceder ml430. The scanner says that the crank shaft sensor needs to be replaced. I have replaced it twice and it is doing the same thing.

Asked by Jul 09, 2013 at 06:17 PM about the 2001 Mercedes-Benz M-Class ML 430

Question type: Maintenance & Repair

I have a 2001 Mercedes Bens ml430.  The scanner says that the crank shaft sensor needs to be replaced.  I have replaced it twice and I can drive it for a little while and it will cut off.  What should I do next?

1 Answer

I'd suspect system ground...computer is having trouble finding ground...you must take the other end of the clamped 1/0 battery cable [the one that attaches to the frame] unscrew and wirebrush the connection clean, so that the 300 cold cranking amps can get through there...the connection to the motor block (near the alternator usually) as well~...get a new battery if older than five [knock off labels on top of the battery]~

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