Working on the vehicle

WARNING
When working on the vehicle, engage the electronic parking brake and shift the automatic transmission into park position P.
Otherwise the vehicle could roll away which could result in an accident and/or serious personal injury.

    See also:

    De-registering (de-authorizing) a mobile phone
    Mercedes-Benz USA, LLC recommends deauthorizating in both COMAND and the mobile phone. Subsequent authorization may otherwise fail. To call up the telephone menu: press the function button ...

    Panic alarm
    To activate: press button 1 for at least one second. An alarm sounds and the exterior lighting flashes. To deactivate: press button 1 again. or Insert the SmartKey into the ignition loc ...

    Power washers
    WARNING Do not use power washers with circular-jet nozzles (dirt grinders) to clean your vehicle, in particular the tires. You could otherwise damage the tires and cause an accident. Always ...