Locking and unlocking centrally
The SmartKey centrally locks/unlocks:
• the doors
• the trunk lid
• the fuel filler flap
1 
Locks the vehicle
2 
Unlocks the trunk lid
3 
Unlocks the vehicle
When unlocking, the turn signals flash once. When locking, they flash three times.
When it is dark, the surround lighting also comes on if it is activated in COMAND.
If you activate the acoustic locking
confirmation function, you will hear the
following, depending on the date of
production of the vehicle:
• an acoustic signal when locking
or
• one acoustic signal when unlocking and
three when locking.
The audible signal can be activated and deactivated using the on-board computer.
To unlock centrally: press the
button.
If you do not open the vehicle within
approximately 40 seconds of unlocking:
• the vehicle is locked again.
• the theft deterrent locking system is armed
again.
To lock centrally: press the
button.
See also:
Registering satellite radio
Select Audio in the main function bar by
sliding and turning
the COMAND
controller and press to confirm.
Select Sat. Radio and press
to
confirm.
Service information screen
1 Provid ...
Downhill gradients
On long and steep gradients, you must
reduce the load on the brakes by shifting
early to a lower gear. This allows you to take
advantage of the engine braking effect and
helps avoid overheati ...
Adjusting the seats electrically
Vehicles without Memory
function: the
seats can be adjusted within three minutes
of a front door being opened.
The time period starts over again if, within these three minutes, you:
• open or ...