SmartKey

See also:

Crash-responsive EASY-EXIT feature
If the crash-responsive EASY-EXIT feature is triggered in an accident, the steering column will move upwards when the driver's door is opened. This occurs irrespective of the position of the SmartK ...

Surprising Agility
At 17 feet long, the S550 is obviously a large car, but it doesn't feel the least bit ponderous from the driver's seat. It's pretty easy to maneuver through heavy, fast-moving highway traffic and ...

Override feature for the rear side windows
WARNING When children ride on the vehicle's rear seats, activate the override switch. Otherwise, the children could be injured, e.g. by trapping themselves in the rear side window. ...