Mercedes Benz S320 owners have reported 1 problem related to gas recirculation valve (egr valve) (under the engine and engine cooling category). The most recently reported issues are listed below.
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.
| Problem Category | Number of Problems |
|---|---|
| Gas Recirculation Valve (egr Valve) problems | |
| Engine And Engine Cooling problems |