Catalytic Convertor problems of the 2002 Mercedes Benz ML320

Two problems related to catalytic convertor have been reported for the 2002 Mercedes Benz ML320. The most recently reported issues are listed below.

1 Catalytic Convertor problem

Failure Date: 01/03/2009

The contact owns a 2002 Mercedes Benz Ml320. While driving less than 70 mph, the front passenger side brake locked up and caused the vehicle to swerve into a median. The abs warning indicator illuminated on the instrument panel at the same time the brakes locked. The contact never depressed the brake pedal nor the accelerator pedal for the brakes to lock. The vehicle was taken to the dealer and they stated that the yaw rate sensor failed. The repairs were scheduled under warranty. The failure and current mileages were 63,000. Updated 02/05/09 the bas/esp light illuminated. The catalytic converter was cracked and the transmission electrical connector was leaking. . Updated 02/06/09.

2 Catalytic Convertor problem

Failure Date: 08/14/2006

2002 mercedes-benz Ml320. Consumer is having some warranty repair problems with mercedes-benz. He also states that mercedes-benz is refusing to pay for any recall repairs. The consumer stated noises and lack of power from the vehicle were reported to the dealer. An independent repair shop found dirty solid metal residue in the transmission fluid, there were missing parts in the planetary gear. The cause of damage was faulty assembly of the pins/plugs in the gears, which resulted in the parts becoming loose and breaking the teeth, which caused excessive noise and loss of power, ultimately the transmission was replaced. The power steering was leaking, the brake and engine lights illuminated several times, the catalytic converter was replaced, the door locks had to be repaired, the battery was replaced and the sway bar link bushing were replaced as well. Updated 06/01/10. Updated 06/04/10. Updated 10/18/jb updated 10/29/jb.


Other Engine And Engine Cooling related problems of the 2002 Mercedes Benz ML320



ML320 Service Bulletins
ML320 Safety Recalls
ML320 Defect Investigations