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I changed the spark plugs on my Mercedes Benz C 200 engine it started drive and the next morning it crank but won't start what's the problem
MercedesMedic 6 months 3 weeks ago
I don't think the problem is the spark plugs. If one was loose it would still start but run rough.
I would check if there is fuel. Check the fuel pressure at the Scrader valve.
Let us know if there fuel pressure or not.