See also:

Problems with the engine
Problem Possible causes/consequences and - Solutions The engine does not start. The starter motor can be heard.  - There is a malfunction in the engine electronics. ...

Servicing the brakes
If the red brake warning lamp lights up in the instrument cluster and you hear a warning tone while the engine is running, the brake fluid level may be too low. Observe additional warning me ...

Call priority
When service calls are active, e.g. Roadside Assistance or MB Info calls, an emergency call can still be initiated. In this case, an emergency call will take priority and override all other ac ...