See also:

Cruise control
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 i ...

Opening/closing the help window
In addition to the audible instructions, the help window will show you other information during voice control operation and the individualization process. Select Vehicle in the main function b ...

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 ...