Locking and unlocking centrally

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

1  Locks the vehicle

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

press the 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.

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

    See also:

    Overview of occupant safety
    In this section, you will learn the most important facts about the restraint system components of the vehicle. The restraint system consists of: • seat belts • child restraint systems • LATCH- ...

    Interior design in detail: From Economy to First Class
    The third generation of the Mercedes-Benz M-Class combines the best of two worlds: the much-coveted SUV not only boasts a strong off-road vehicle heritage, but its passengers also benefit from lev ...

    Hiding display messages
    You can hide some display messages with a low priority. ► Press the , button on the steering wheel to select another display. or ► Press the R reset button on the instrument clus ...