Locking and unlocking centrally

The SmartKey centrally locks/unlocks:
• the doors
• the trunk lid
• the fuel filler flap

1  Locks the vehicle

1 Locks the vehicle
2 Unlocks the trunk lid
3 When unlocking, the turn signals flash once. When locking, they flash three 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 COMAND.

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. 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.

button. To lock centrally: press the KEYLESS-GO button.

    See also:

    How the occupant classificationsystem works
    The OCS is standard equipment in the USA. The OCS categorizes the occupant on the front-passenger seat by means of a weight sensor. The front-passenger front air bag is deactivated automatically ...

    The Inside
    The C-Class wears the three-pointed star, but closer scrutiny reveals areas of cost-cutting versus the $35,000 competition, let alone Mercedes' pricier cars. It's the sort of thing that requires a ...

    Traction
    WARNING The traction grade assigned to this tire is based on straight-ahead braking traction tests, and does not include acceleration, cornering, hydroplaning, or peak traction characteristi ...