Making adjustments in 1 mph (Canada: 1 km/h) increments

lever to the Briefly press the cruise control lever to the pressure point, up 1 for a higher speed or down 2 for a lower speed.
The last speed stored is increased or reduced.

    See also:

    Storing the current speed or calling upthe 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 ...

    Important safety notes
    Cruise control maintains a constant road speed for you. It brakes automatically in order to avoid exceeding the set speed. On long and steep downhill gradients, especially if the vehicle is laden ...

    Outstanding handling on and off-road
    4MATIC - the permanent four-wheel drive from Mercedes-Benz - provides the GL-Class with superior handling whatever the conditions. Together with the standard-fit AIRMATIC air suspension, the preci ...