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 ...

Safety
Standard features include antilock brakes, an electronic stability system, front and rear side-impact airbags, side curtain airbags and Pre-Safe. By monitoring the braking, steering and stability ...

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