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:
Towing a vehicle with both axles on
the ground
When having your vehicle towed, observe the
important safety notes.
WARNING
The power assistance for the steering and the
brake force booster do not work when the
engine is not running. You ...
Rear window defroster
Activating/deactivating
WARNING
Any accumulation of snow and ice should be
removed from the rear window before driving.
Visibility could otherwise be impaired,
endangering you and o ...
Active Driving Assistance package
General notes
The Active Driving Assistance package
consists of DISTRONIC PLUS
Active Blind Spot Assist an
Active Lane Keeping Assist. ...