Points to observe before use

The sockets can be used for accessories, e.g.

lamps or mobile phone chargers with a maximum current draw of 180 W (15 A).

If you use the sockets for long periods when the engine is switched off, the battery may discharge.

ignition lock. Turn the SmartKey to position 1 in the ignition lock.

on-board voltage does not drop too low. If An emergency cut-out ensures that the on-board voltage does not drop too low. If the on-board voltage is too low, the power to the sockets is automatically cut. This ensures that there is sufficient power to start the engine.

    See also:

    Optimised aerodynamics: the most aerodynamic SUV in its class
    With a drag coefficient, or Cd value, of 0.32, the new Mercedes-Benz M-Class (ML 250 BlueTEC) also sets a new best figure for this vehicle class (total aerodynamic drag Cd x A = 0.92, predecessor ...

    Changing the battery
    You require a CR 2025 3 V cell battery. •► Take the mechanical key out of the SmartKey •► Press mechanical key 2 into the opening in the SmartKey in the direction of the arrow unti ...

    Cleaning the headliner and carpets
    ► Roof lining: use soft brushes or dry shampoo if it is particularly dirty. ► Carpets: use carpet and textile cleaners that have been approved and recommended by Mercedes-Benz. ...