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. ...

Adjusting the head restraint heightelectrically
► To adjust the head restraint height: slide the switch for head restraint adjustment up or down in the direction of the arrow. ...

Stowing a used collapsible spare wheel
Take the following steps to stow a used collapsible spare wheel. It will otherwise not fit in the spare wheel well. Mercedes-Benz recommends that you have this work carried out at a qualified ...