Problem Reports

Mercedes-Benz C240

Report: Check Engine Light on Due to Failed Catalytic Converter

• Engine Misfires
  My car when I drive it over 85 MPH the check Engine light comes up for Engine mis fire, why is that happening?

  Q&A > Mercedes-Benz > 2002 Mercedes-Benz C240

• catalytic converter
  How do you know if you have a bad catalytic converter?

  Q&A > Mercedes-Benz > 2002 Mercedes-Benz C240

• What's sign are catalytic converters going bad on this car?
  I here noise in from in front of car.

  Q&A > Mercedes-Benz > 2003 Mercedes-Benz C240

• Engine Performance Problems Due to Crankshaft Position Sensor Failure
  The engine may develop a stalling and/or no start condition due to a failed crankshaft position sensor.

  Common Problems > Mercedes-Benz C240

• check engine light on. changed spark plugs, used low octane gas with booster.
  light had come on before, put higher octane gas, went off, changed plugs, went on long trip with lower octane gas with booster, now using nothing but 93 octane gas.

  Q&A > Mercedes-Benz > 2004 Mercedes-Benz C240