Mercedes Benz 420 owners have reported 3 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 dash wiring (1 problem). The second most common problem is related to the vehicle's fuses and circuit breaker (1 problem). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Dash Wiring problems | |
| Fuses And Circuit Breaker problems | |
| Ignition Switch problems |
Strange electronic whirring sound when starting vehicle on 6/7. Side view mirrors suddenly moved and then closed halfway. No response from interior console control. Steering wheel also began to move up and down on its own. Rear brakes continued to squeak and grab. Read details...
Brake light fuse blew. Read details...
Strange electronic whirring sound when starting vehicle on 6/7. Side view mirrors suddenly moved and then closed halfway. No response from interior console control. Steering wheel also began to move up and down on its own. Rear brakes continued to squeak and grab. Read details...