See also:

Front air bags
The front air bags increase protection for the driver's and front-passenger's head and chest. Driver's air bag 1 deploys in front of the steering wheel; front-passenger front air bag 2 deploys ...

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. ...

Chassis in detail: Dynamism meets comfort
All models in the new M-Class range offer excellent comfort and superb driving dynamics as standard - both on the road and away from the tarmac. Besides the steel suspension with selective damping ...