Mercedes-Benz GL-Class: Setting a speed - DISTRONIC - Driving systems - Driving and parking - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: Setting a speed

WARNING Keep in mind that it may take a brief moment 
Keep in mind that it may take a brief moment until the vehicle has made the necessary adjustments.
Increase or decrease the set vehicle speed to a value that the prevailing road conditions and legal speed limits permit. Otherwise, sudden and unexpected acceleration or deceleration of the vehicle could cause an accident and/or serious injury to you and others.

Press the cruise control lever to the pressure point, up 1 for a higher speed or down 2 for a lower speed.
Keep the cruise control lever pressed until the desired speed is reached.
Release the cruise control lever.

The new speed is stored. DISTRONIC is activated and adjusts the vehicle's speed to the new speed stored.

    Switching on DISTRONIC, storing andmaintaining the current speed
    WARNING   The vehicle can be braked when DISTRONIC is activated. For this reason, deactivate DISTRONIC if the vehicle is to be set in motion by other means (e.g. in a car wash or by tow ...

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

    Tips and Troubleshooting
    IR Sensor Inoperative: Check that the batteries are good in the remote control. Check that the remote Control IR Sensor is not blocked. Aim the remote control toward the IR Sensor being controlled. ...

    Connecting a USB Storage Device or iPod®
    To connect a USB storage device, connect the device to the USB port located in the instrument panel storage area. See Instrument Panel Storage  for more information. The USB port can be used ...

    Dome Lamps
    The dome lamps are located in the overhead console and above the rear seat passengers. The dome lamps come on when a door is opened, unless the dome lamp override button is pressed in. The lamps c ...