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: • the in ...

Storing the ball coupling
WARNING Do not carry the ball coupling in the vehicle interior if it is not secured. Otherwise, you and others could be injured by the ball coupling being thrown around if you: brake shar ...

BAS PLUS (Brake Assist System Plus)
BAS PLUS is only available in vehicles equipped with DISTRONIC PLUS. Observe the "Important safety notes" section. At speeds above approximately 20 mph (30 km/h), BAS PLUS assists ...