See also:

4ETS (Electronic Traction System)
Observe the "Important safety notes" section. Traction control is part of ESP®. Traction control brakes the drive wheels individually if they spin. This enables you to pull away a ...

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 ...

Downhill gradients
On long and steep gradients, you must reduce the load on the brakes by shifting early to a lower gear. This allows you to take advantage of the engine braking effect and helps avoid overheati ...