Cleaning the headliner and carpets

agent recommended and approved by  Headliner: use a soft brush or a cleaning agent recommended and approved by Mercedes-Benz to remove heavy soiling.
cleaning agents recommended and  Carpets: use the carpet and textile cleaning agents recommended and approved by Mercedes-Benz.

    See also:

    Vehicles with manual transmission
    Shift to either first gear or reverse gear R. Turn the SmartKey to position 0 in the ignition lock and remove it. The immobilizer is activated. Apply the parking brake firmly. ...

    "Minispare" emergency spare wheel
    The specified tire pressure is printed in yellow on the emergency spare wheel. ...

    Roadside Assistance button
    Open the stowage compartment under the armrest. Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center ...