Making adjustments in 5 mph (Canada: 10 km/h) increments

lever 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.

    See also:

    Going & Stopping
    A 268-horsepower, 3.5-liter V-6 is standard. The engine moves the GLK350 rapidly when you want, and the seven-speed automatic transmission consistently shifts smoothly no matter if you're driving ...

    Switching on Night View Assist Plus
    You can only activate Night View Assist Plus if: • the SmartKey is in position 2 in the ignition lock. • it is dark. • the light switch is in the or position. • reverse gear has not b ...

    Driving systems
    Display messages   Level Selection Not Permitted Possible causes/consequences and ► Solutions You cannot change the vehicle level, because: • you are exceeding the permissible speed ...