1995 Mercedes S320 will not start

Asked by Lipe Mar 29, 2014 at 02:24 PM about the 1995 Mercedes-Benz S-Class S 420

Question type: Maintenance & Repair

The air pump clutch locked and had to be replaced.  When replaced, the car would start
but it was missing.  Replaced the plugs. Then the car would not start.  Then replaced
coils and wires and cam shaft sensor. The engine turns over but will not start.  What could
be be wrong?

1 Answer
4,765

Josh answered 11 years ago

Do a Compression test and check your Wiring make sure nothing is unplugged. I would check to make sure everything is in tact. Also, check for the Fuel Pressure. Maybe a bad fuel filter, pressure regulator, or fuel pump. Also, check your Crankshaft position sensor.

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