Problem Reports

Mercedes-Benz 300TE 4MATIC

Report: Failure of EHA valve may cause fuel/engine problems

• Faulty Mass Air Flow Sensor Causing Erratic Engine Operation and Poor Fuel Economy
  A faulty mass air flow (MAF) sensor can cause erratic/rough engine operation and fuel economy i...

  Common Problems > Mercedes-Benz 300TE 4MATIC

• 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 300TE 4MATIC

• Repair Leaks From Head Gasket/Timing Cover Gasket Before Oil and Coolant Intermix
  Internal and External engine oil & coolant leaks can develop from the head gasket and/or timing cover gasket; these leaks should be repaired before the engine oil and coolant intermix which can result in...

  Common Problems > Mercedes-Benz 300TE 4MATIC

• Motor Mounts Fail and Cause Vibration in Body
  Motor mounts commonly fail, causing engine vibrations to be transferred to the body. Failed motor mounts s...

  Common Problems > Mercedes-Benz 300TE 4MATIC

• Emissions Air Injection Pumps Can Seize Up and Cause Noise/Smoke
  The emissions air injection pump can seize, causing a loud squealing noise followed by smoke from the drive belt. If the e...

  Common Problems > Mercedes-Benz 300TE 4MATIC