See also:

Cleaning the headliner and carpets
Roof lining: use soft brushes or dry shampoo if it is particularly dirty. Carpets: use carpet and textile cleaners that have been approved and recommended by Mercedes-Benz. ...

Reset function
You can reset COMAND to the factory settings. Amongst other things, this will delete all personal data (e.g. station presets, address book entries, entries in the destination memory and in the ...

Setting the center air vents
Center air vent, left Center air vent, right Center vent thumbwheel, right Center vent thumbwheel, left To open/close: turn thumbwheels 3 and 4 up or down. ...