See also:

Important safety notes
WARNING When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unattended in the vehicle ...

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. Pres ...

Safety
Antilock brakes have Brake Assist for automatic full-power braking in panic stops. Electronic brake-force distribution enhances stability when braking in curves. ...