See also:

Increased vehicle weight due to optional equipment
This is the combined weight of all standard and optional equipment available for the vehicle, regardless of whether it is actually installed on the vehicle or not. ...

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 ...

Sidewall
The part of the tire between the tread and the bead. ...