Electrical System Problems of Mercedes Benz ML320

Mercedes Benz ML320 owners have reported 93 electrical system related problems since 1996. Table 1 shows the 19 most common electrical system problems. The number one most common problem is related to the vehicle's electrical system (38 problems). The second most common problem is related to the vehicle's wiring (8 problems). For details of each of the problem category, use the links in the table.


Recently reported Electrical System problems of Mercedes Benz ML320

The Electrical System problem

My 2007 mb Ml320 cdi has problem with water entering where spare tire located,after rain or when I use car wash. It builds inside so much water that module for for fuel pump stopped working,all wires were corroded,I paid for repairs from my pocket because mb dealership refused to fix my vehicle   Read details...

The Wiring problem

Takata recall I just bought a 2000 mercedes ml 320. My ac stopped working and took it to a mercedes certified mechanic. Told me it was a pressure sensor. He then called me back and told me that the wiring harness had fallen apart and all wires were touching each other making shorts thru out the   Read details...

The Instrument Panel problem

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.   Read details...

The Ignition Switch problem

My 2001 mercedes Ml320 SUV developed a defect in the ignition switch, whereby the key came out while the car was not in the park position. In June 2009, the car was parked in my driveway and ignition turned off. I didn't realize that the key came out when the car was in neutral instead of park.   Read details...

The Underhood Wiring problem

Laundry list of failures. Jack has almost killed me while changing tire. Vehicle fell, almost hitting me but catching side of vehicle before landing on me! hood latch has failed on a few occasions, causing hood to open while vehicle was in motion. Air mass meter failed.   Read details...




ML320 Service Bulletins
ML320 Safety Recalls
ML320 Defect Investigations