Deactivating

- Press and hold the closing button in the tailgate until you hear two short tones.

    See also:

    Adjusting the NECK-PRO head restraints
    Adjusting Adjusting Pull or push the bottom of NECK-PRO head restraint 1. Resetting The NECK-PRO head restraints are moved forwards in the event of a rear collision in the direction of tr ...

    Safety
    The 2012 M-Class was deemed a Top Safety Pick by the Insurance Institute for Highway Safety, meaning it received the top score of Good in front- and side-impact crash tests, as well as for roof st ...

    System self-test
    The indicator lamp illuminates when you: - turn the SmartKey to position 1 or 2 in the ignition lock - on vehicles with KEYLESS-GO, press the Start/Stop button once or twice If an adult o ...