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 the on-board computer.
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:
Setting the center air vents
Setting the center air vents
1 Center air vent, left
2 Center air vent, right
3 Center vent thumbwheel, right
4 Center vent thumbwheel, left
To open/close: turn
thumbwheels 3 and 4 up or dow ...
KEYLESS-GO
General information
Vehicles with KEYLESS-GO are equipped with
a SmartKey featuring an integrated KEYLESSGO
function and a detachable Start/Stop
button.
The Start/Stop button must be inserted ...
The mbrace system
The mbrace system provides different services, e.g.:
automatic and manual emergency call
Roadside Assistance call
MB Info call
To adjust the volume during an mbrace call, proceed as follows ...