Electrical fault with Mercedes-Benz ML

I am having trouble with my 2010 Mercedes-Benz ML-Class. Sometimes when I turn on the ignition the electronics do not turn on and the car will not start when engaged.

If I turn the key off and try again it may or may not work but it will work after a few tries. I noticed the problem about a month ago but it seems to be getting worse. Can you offer any insight?

Asked on 24 April 2015 by Peter Houghton

Answered by Honest John

Reads like a bad earth to the glowplugs relay, or failing glowplugs. That's assuming it's a 350CDI, which most 350s are.

Tags: electrical faults technical issues

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