One problem related to electrical failure has been reported for the 2003 Mercedes Benz S430. The most recently reported issues are listed below.
Electrical problems with s-class Mercedes Benz navigation system shutdowns and alot of electrical systems failures.
| Electrical System problems | |
| Battery problems | |
| Trunk Wiring problems | |
| Electrical Failure problems | |
| Instrument Panel Failure problems | |
| Instrument Panel problems |