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:
Cargo tie-down rings
Observe the following notes on securing
loads:
- secure the load using the cargo tie down
rings.
- do not use elastic straps or nets to secure
a load, as these are only intended as an
anti-s ...
BAS (Brake Assist System)
Observe the "Important safety
notes"
section.
BAS operates in emergency braking
situations. If you depress the brake pedal
quickly, BAS automatically boosts the braking
force, th ...
Loading and removing SD cards
Not all SD memory cards are designed for
the temperatures which may be reached in
the vehicle.
Due to the wide range of SD cards available
on the market, Mercedes-Benz cannot
guarantee pla ...