Problem Reports

Mercedes-Benz 560SEC

Report: Expansion valve may get stuck

• Stuck Idle Air Compensator May Cause Too High/Too Low RPM
  It is not uncommon for the idle air compensator to get stuck in one position, resulting in the engine idle speed (rpm) being too high or too low. Replacement of the failed compensator may be nece...

  Common Problems > Mercedes-Benz 560SEC

• Harsh ride due to internal leaks/stuck level control valve
  Internal leaks and a stuck level control valve can cause problems with the load leveling suspen...

  Common Problems > Mercedes-Benz 560SEC

• gas gauge stuck on full how to fix?
  my 1986 mercedes 560 sec gas gauge is stuck on full, the speedometer is not correct read 65 whe...

  Q&A > Mercedes-Benz > 1990 Mercedes-Benz 560SEC

• Engine Problems Due to Distributor Cap and Rotor, Bad Ignition Wires, or Valve Cover Gasket Leaks
  A rough running motor or lack of power can be caused by a failed distributor cap or rotor, igni...

  Common Problems > Mercedes-Benz 560SEC

• Valve Stem Seals Wear and Cause Catalytic Converter Failure
  Valve stem seals may wear and cause the engine to burn oil. this can contaminate the catalytic...

  Common Problems > Mercedes-Benz 560SEC