See also:

Adding DEF
WARNING Make sure • DEF does not come into contact with skin, eyes, or clothing • to keep DEF out of the reach of children If you and/or others have come into contact with DEF: • If DEF ...

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: • t ...

Activating/deactivating PRE-SAFE® Brake
PRE-SAFE® Brake is only available in vehicles with DISTRONIC PLUS. Press the or button on the steering wheel to select the DriveAssist menu. Press or to select PRE-SAFE Brake. Pr ...