Locking and unlocking centrally

The SmartKey centrally locks/unlocks:
- the doors
- the tailgate
- the fuel filler flap

1 Locks the vehicle

1 2 Opens/closes the tailgate Locks the vehicle
2 3 Unlocks the vehicle Opens/closes the tailgate
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.

You can also set an audible signal to confirm that the vehicle has been locked. 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.

- To lock centrally: press the button. button.

    See also:

    Important safety notes
    WARNING Severe conditions (e.g. strong air pollution) may require replacement of the filter before its scheduled replacement interval. A clogged filter will reduce the air volume to the inter ...

    Cleaning the wiper blades
    WARNING Before cleaning the windshield or wiper blades, switch off the windshield wipers and remove the SmartKey from the ignition lock. On vehicles with KEYLESS-GO, press the Start/Stop but ...

    Performance to Match Looks
    Despite its size and 4,650-pound curb weight, the CL550 has performance to match its looks. It shares its engine and seven-speed automatic transmission with the S-Class, and as of the 2009 model y ...