See also:

Problems with the SmartKey
Problem Possible causes/consequences and  Solutions You cannot lock or unlock the vehicle using the SmartKey. The SmartKey battery is discharged or nearly discharged ...

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 ...

Working on the vehicle
WARNING When working on the vehicle, engage the electronic parking brake and shift the automatic transmission into park position P. Otherwise the vehicle could roll away which could result in ...