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 the vehicle and trailer weight
- To check that the weights of the towing vehicle and the trailer comply with the maximum permissible values, have the vehicle/trailer combination (including the driver, passengers, and cargo ...

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 ...