See also:

Bead
The tire bead ensures that the tire sits securely on the wheel. There are several steel wires in the bead to prevent the tire from coming loose from the wheel rim. ...

Safety & Features
The S-Class has not been crash-tested by the Insurance Institute for Highway Safety. Standard safety features include eight airbags, an electronic stability system and antilock brakes. Click here ...

General notes
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged. - Check the battery in ...