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. ...

Overview: changing bulbs/bulb types
You can change the following bulbs. The bulb type can be found in the legend. Halogen headlamps Turn signal lamp/side marker lamp: WY 5 W Turn signal lamp: PY 21 W High-beam headlamp: H7 55 ...

Correct use
Observe the following information when using COMAND: • the safety notes in this manual • all road traffic regulations Work improperly carried out on electronic components or systems (e.g. ...