Restoring the factory settings

•► Press the buttons and simultaneously for approximately six buttons simultaneously for approximately six seconds until the battery check lamp flashes twice.

    See also:

    Making adjustments in 5 mph (Canada: 10 km/h) increments
    Briefly press the cruise control lever beyond the pressure point, up 1 for a higher speed or down 2 for a lower speed. The last speed stored is increased or reduced. ...

    State-of-the-art engine technology from the inventor of the diesel passenger car
    The 2.2-litre CDI engine turns the ML 250 BlueTEC 4MATIC into the most economical SUV in its class. With NEDC fuel consumption of 6.0 l/100 km, the model even outperforms any hybrid model currentl ...

    Storing the current speed or calling up the last stored speed
    WARNING The set speed stored in memory should only be set again if prevailing road conditions and legal speed limits permit. Possible acceleration or deceleration differences arising from re ...