See also:

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 ...

Tire pressure loss warning system (Canada only)
Important safety notes While the vehicle is in motion, the tire pressure loss warning system monitors the set tire pressure using the rotational speed of the wheels. This enables the system to ...

Storing wheels
Store wheels that are not being used in a cool, dry and preferably dark place. Protect the tires from oil, grease, gasoline and diesel. ...