See also:

General notes
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged. - Check the battery in ...

Deactivating cruise control
There are several ways to deactivate cruise control: Briefly press the cruise control lever forwards 3. or Brake. Cruise control is automatically deactivated if: • you depress the parking bra ...

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. – P ...