See also:

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. ...

Activating/deactivating the trunk lid opening height restriction
To activate/deactivate the trunk lid opening height restriction: select Vehicle in the main function bar by sliding and turning the COMAND controller and press to confirm. The main are ...

Tire tread
WARNING Although the applicable federal motor vehicle safety laws consider a tire to be worn when the tread wear indicators (TWI) become visible at approximately 1/16 in (1.6 mm), we recomm ...