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. ...

Telescopic rod
The telescopic rod can be used to secure the load against the rear seats to prevent it from moving around. – To install: insert one bracket 2 into both the left and the right loading rails ...

Problems with the occupant classification system
Problem The indicator lamp illuminates and remains illuminated. The person on the front-passenger seat: has the weight of a typical adult has been determined by the system not to be a child. ...