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:

    Exterior & Styling
    Particularly from the rear, the GL's appearance looks a bit like Mercedes' original M-Class — so much so that a passenger walked up to an older M thinking it was the GL. The GL550's 21-inch wheels ...

    Tires
    The specified tire pressure is printed in yellow on the emergency/collapsible spare wheel. ...

    Safety systems
    Display messages Possible causes/consequences and Solutions Risk of accident ABS (Anti-lock Braking System), ESP® (Electronic Stability Program), BAS (Brake Assist) ...