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:
Switching on/off
The three blue indicator lamps in the buttons
indicate the ventilation level you have
selected.
If the battery voltage is too low, the seat
ventilation may switch off.
•► Make sure tha ...
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 ...
DISTRONIC PLUS displays in the
multifunction display
General notes
You can select the distance display in the
Assistance menu of the onboard
computer.
Display when DISTRONIC PLUS is
deactivated
Select the Distance Display function
using the ...