See also:

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 ...

Deactivating/activating ESP® (except AMG vehicles)
WARNING ESP® should not be deactivated during normal driving other than in the circumstances described below. Disabling the system will reduce vehicle stability in driving maneuvers. Do no ...

Activating/deactivating DSR
Activating You can only activate DSR if you are driving at 25 mph (40 km/h) or slower. – Press button 1. Indicator lamp 2 lights up. The following messages appear in the multifunction displa ...