300SEL no longer starts at first crank
Hi everyone, I have a 1988 300sel with 190k and recently it requires second crank to start. I've installed platinum plugs but didn't fix the problem. Some times I hear a back fire the first time I turn the key then starts fine the second time. The car runs fine otherwise. Could this be a fuel pressure problem? or maybe wires and distribuitor? Any help would be appreciated.
Thanks
Armind
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