See also:

Useful information
This Operator's Manual describes all models and all standard and optional equipment of your vehicle available at the time of publication of the Operator's Manual. Country-specific differences are ...

Resetting
Reset the sliding sunroof if it does not move smoothly. Turn the SmartKey to position 2 in the ignition lock. Raise the sliding sunroof fully at the rear. Keep the switch pressed for ...

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 ...