Mercedes Benz S320 owners have reported 4 electrical system related problems since 1996. Table 1 shows the 3 most common electrical system problems. The number one most common problem is related to the vehicle's wiring (2 problems). The second most common problem is related to the vehicle's alternator/generator/regulator (1 problem). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Wiring problems | |
| Alternator/generator/regulator problems | |
| Electrical System problems |
The wiring that controls the electronic throttle actuator has insulation that has disintegrated causing a short in the wiring resulting in an instantaneous loss of power. Vehicle was moving at the time on the highway. Read details...
Smoke coming through the vents while driving. On the highway 87 north December 23, 2017 at 8:45am. I was heading to canada for christmas holiday. Later discovered that alternator wiring and cables caught on fire. Read details...
The total engine hwire harness insulation is falling apart from verious area in the engine bay. Which making the wire to expose - possibilities of fire in the engine if it short circuit. Do not know what to do know. Not able to find a new engine wire harness for the vehicle . Read details...