Car Problem Reports

Mercedes-Benz CLK55 AMG Mass Air Flow Sensor Failure Causing Poor Fuel Economy and Check Engine Light on

• Engine Performance Problems Due to Crankshaft Position Sensor Failure
  The crankshaft position sensor may fail. Symptoms of this are: The engine will crank—but...

  Common Problems > Mercedes-Benz CLK55 AMG

• Oil May Leak From PCV Vent Housings and Inspection Plates
  An engine Oil leak may develop from the PCV vent housing on the valve cover and/or the inspecti...

  Common Problems > Mercedes-Benz CLK55 AMG

• Broken Stepper Motor Actuating Arm May Cause Clicking Noise From Behind Dash
  A repetitive clicking noise from behind the center area of the dash panel is usually caused by...

  Common Problems > Mercedes-Benz CLK55 AMG

• Bad Spark Plug Wires/Ignition Coils May Cause Misfires and Possible CEL
  Failed spark plug wires and/or ignition coils can cause intermittent misfires (rough running); the Check Engine Light may also illuminate. Diagnoses of the ignition system will be necessary to dete...

  Common Problems > Mercedes-Benz CLK55 AMG

• Replace air filter when replacing failed mass air flow sensor
  The mass air flow (MAF) sensor tends to fail. The engine air filter should be replaced when the...

  Common Problems > Mercedes-Benz CLK55 AMG