Locking and unlocking centrally
The SmartKey centrally locks/unlocks:
• the doors
• the tailgate
• the fuel filler flap
1 
Locks the vehicle
2 
Opens/closes the tailgate
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.
You can also set an audible signal to confirm that the vehicle has been locked or unlocked.
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:
Rolling with the engine switched off
WARNING
There is no power assistance for the steering and the brake when the engine is
not running.
Steering and braking requires significantly more effort and you could lose control
of the ...
Activating/deactivating
•► To activate: press the
button.
The indicator lamp above the button
lights up.
•► To switch off: press the
button.
The indicator lamp above the button
goes out. The co ...
Weight specifications
The gross trailer weight is calculated by
adding the weight of the trailer to the weight
of the load and equipment on the trailer.
Maximum gross vehicle weight:.
The maximum permissible trailer ...