See also:

Driving with summer tires
Observe the notes in the "Winter operation" section. ...

Changing batteries
Batteries are required for the remote control and for the two sets of cordless headphones. Changing batteries. ...

Important safety notes
WARNING   For reasons of safety, have the NECK-PRO head restraints/NECK-PRO luxury head restraints checked at an authorized Mercedes-Benz Center after a rear-end collision. WARNING&nbs ...