See also:

Ride, Handling
With an air suspension that can be adjusted to varying levels, the S550 rides with soothing composure. The BMW 7 Series is firmer, and the Jaguar XJ is downright stiff in comparison. It's even mor ...

Cabin Quality
If the cockpit in a Cadillac Escalade or Infiniti QX56 feels like a roomy lounge, the GL550's cabin is eminently more carlike. Don't expect massive armrests and a tall dashboard — rather, the wrap ...

Important notes on tire pressure
WARNING Should the tire pressure drop repeatedly: • check the tire for foreign bodies. • check whether the wheel is losing air or the valve is leaking. • make sure that only a valve cap approved ...