See also:

System self-test
After you have switched on the ignition, the system carries out a self-diagnosis. WARNING A malfunction in the system has been detected if one of the following conditions occurs:  - ...

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 active ...

Service menu
In the Serv. menu you can: - call up display messages - restart the tire pressure loss warning system (Canada only) - check the tire pressure electronically - call up the service due date ...