Electrical System Problems of Mercedes Benz S550

Mercedes Benz S550 owners have reported 24 electrical system related problems since 1996. Table 1 shows the 5 most common electrical system problems. The number one most common problem is related to the vehicle's electrical system (20 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.

Table 1. Electrical System related problems of Mercedes Benz S550


Recently reported Electrical System problems of Mercedes Benz S550

The Electrical System problem

I went to replace my low beam and high beam bulbs on the passenger side and found that the wiring for the low beam had 0 insulation on it and I installed the new high beam bulb and the wires starting arcing causing the car to turn off the high beams and start smoking from the headlight assembly.   Read details...

The Alternator/generator/regulator problem

The contact owns a 2007 Mercedes Benz S550. While driving approximately 65 mph, an unknown warning light illuminated and unilluminated. In addition, the vehicle stalled and was able to restart, but the failure recurred.   Read details...

The Wiring problem

Problem 1: car sold to me without full disclosure. Silverstar motors in l. I city, NY sold me the car & withheld material information. The car had 4 damaged & defective wheels. This was disclosed to me by another dealer helms brothers.   Read details...

The Electrical Failure problem

The vehicle shuts off for a second the esp and abs lights would come on, the steering wheel of the vehicle would get stiff, the brakes get stiff the headlights and interior lights would go off, and the command center would reboot. It seems like the vehicle is experiencing a brief electrical failure.   Read details...

The Instrument Panel problem

Tl the contact owns a 2015 mercedes-benz S550. The contact stated while driving 40 mph, he started to smell burning brake pad odor inside of the cab of the vehicle. The contact stated the park brake malfunction warning message was illuminated.   Read details...




S550 Service Bulletins
S550 Safety Recalls