See also:

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 ...

Adjusting the head restraints manually
Adjusting the head restraint height The head restraints must only be removed at a qualified specialist workshop. Mercedes-Benz recommends that you use a Mercedes-Benz Center for this purpose. ...

Please bear the following in mind
At the onset of winter, have your vehicle winterproofed at a qualified specialist workshop, e.g. at an authorized Mercedes- Benz Center. Observe the notes in the "Changing a wheel" ...