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:
Activating/deactivating the radar
sensor system
The following systems are switched off when
the radar sensor system is deactivated:
• DISTRONIC PLUS
• BAS PLUS
• PRE-SAFE® Brake
• Blind Spot Assist
• Active Blind Spot Assist
USA on ...
Important safety notes
You will find an illustration of the instrument
cluster in the "At a glance" section.
WARNING
A driver's attention to the road and traffic
conditions must always be his/her primary
...
Important safety notes
WARNING
Air bags are designed to reduce the incidence
of injuries and fatalities in certain situations:
• frontal impacts (driver's and
frontpassenger
front air bags and driver's kne ...