See also:

Additives
Only use DEF in accordance with ISO 22241. Do not use additives with DEF and do not dilute DEF with water. This may destroy the BlueTEC exhaust gas aftertreatment system. ...

Checking tire pressure manually
To determine and set the correct tire pressure, proceed as follows:   Remove the valve cap of the tire that is to be checked.   Press the tire pressure gauge securely onto the valve. ...

Displaying navigation instructions
In the Navi menu, the multifunction display shows navigation instructions. For more information, see the separate operating instructions. Switch on COMAND (see the separate operating instruction ...