See also:

Important notes on tire pressure
WARNING   If the tire pressure drops repeatedly, check the tires for punctures from foreign objects and/or whether air is leaking from the valves or from around the rim. The tire temper ...

Stately Design
Redesigned for 2007, the S-Class has always been a handsome, if conservative, car. For 2010, a few visual updates give it a more assertive presence, which is a welcome change. The bumpers get a mo ...

Seating & Cargo
The GL550's front seats have a litany of power adjustments, including adjustable stiffness for the side bolsters. Even with the bolsters and lumbar support dialed all the way back, the seats are t ...