i have to tap on the dash to make the air and heat work

Asked by Jan 07, 2014 at 09:53 PM about the 2000 Mercedes-Benz E-Class E 320

Question type: Maintenance & Repair

1 Answer

Yes...you've got a grounding problem...to the dash...1/0 battery cable to frame...to the dash....test all ground points with a tester and re-establish all connections with a wirebrush~

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