Mercedes Benz GL450 owners have reported 54 electrical system related problems since 1996. Table 1 shows the 7 most common electrical system problems. The number one most common problem is related to the vehicle's electrical system (43 problems). The second most common problem is related to the vehicle's horn assembly (4 problems). For details of each of the problem category, use the links in the table.
Driving on the 99 freeway when out of no where a loud explosion hit my car from behind or on top of my car it scared me so bad, I pulled over to emergency lane but I did not find or know what hit me so I continued home slowly afraid to drive. When I got home I was. Read details...
I turned on my 2007 mercedes Gl450 in my driveway to warm it up and 1 minute later the horn continually went off. I turned the car off and the horn continued. Smoke began from the passenger rear tail light, then a flame. 911 was called the moment we saw smoke. Read details...
Vehicle caught fire in my garage. Vehicle was running fine 2 hrs prior. My husband entered the vehicle to run an errand and the vehicle would not start. Tons of light came on the dash, including the airbag had deployed, though the airbag had not deployed. Read details...
While driving at highway speed in the left lane of a divided highway, the vehicle suddenly and without notice lost engine power and power steering. The weather condition was light rain and the road was wet. Read details...
1. Poor battery life and alternator life in 2007 gl 450 2. Engine died and electronics died at highway speeds, reported to Mercedes Benz corporation with no resolve. 3. Lift gate constantly malfunctions and does not close. Read details...