See also:

Removing a wheel
  Unscrew the wheel bolts. Do not place wheel bolts in sand or on a dirty surface. The bolt and wheel hub threads could otherwise be damaged when you screw them in.   Remove the w ...

Remote vehicle locking
If you forget to lock your vehicle but are no longer in the vicinity of the vehicle, it can be locked for you by the Mercedes-Benz Customer Assistance Center. The vehicle can be locked remotely ...

Applying automatically
Your vehicle's electric parking brake is automatically applied if DISTRONIC PLUS or the HOLD function bring the vehicle to a standstill, or are engaged to keep the vehicle stationary. In addit ...