See also:

Activation conditions
To activate cruise control, all of the following activation conditions must be fulfilled: - your vehicle must not be secured by the electric parking brake. - you are driving faster than 20 mph ...

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 4 mph (7 km/h), BAS PLUS assists you ...

Notes on selecting, mounting and replacing tires
 - Only mount tires and wheels of the same type and make.  - Only mount tires of the correct size onto the wheels.  - After mounting new tires, run them in at moderate speeds fo ...