Locking and unlocking centrally
The SmartKey centrally locks/unlocks:
- the doors
- the trunk lid/tailgate
- the fuel filler flap


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:
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 ...
Important safety notes
Active Parking Assist is an electronic parking
aid with ultrasound. Ultrasound is used to
measure the road on both sides of the vehicle.
A suitable parking space is indicated by the
parking sym ...
EASY-ENTRY/EXIT feature (third rowof seats)
Important safety notes
WARNING
To help avoid personal injury, the second-row
seat backrests must be properly locked either
in the upright position or, when using the
expanded cargo vo ...
