See also:

Activating the rear view camera
Make sure that the SmartKey is in position 2 in the ignition lock. Engage reverse gear. The area behind the vehicle is shown in the COMAND display with guide lines. ...

Changing the settings of the locking system
You can change the setting of the locking system in such a way that only the driver's door and the fuel filler flap are unlocked. This is useful if you frequently travel on your own. To change ...

4MATIC (permanent four-wheel drive)
4MATIC ensures that all four wheels are permanently driven. Together with ESP®, it improves the traction of your vehicle whenever a drive wheel spins due to insufficient grip. WARNING If a ...