One problem related to alternator/generator/regulator has been reported for the 2004 Mercedes Benz S500. The most recently reported issues are listed below.
The contact owns a 2004 Mercedes Benz S500. The contact stated that the vent controls failed to activate the air conditioning and the heating system. The vehicle was taken to an independent mechanic, who diagnosed that the motor regulator and the air conditioner blower needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 103,000.
| Electrical System problems | |
| Wiring problems | |
| Instrument Panel problems | |
| Trunk Wiring problems | |
| Alternator/generator/regulator problems |