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 1. Low-beam headlamps: H7 55 2. High-beam headlamp: H7 55 W 3. Parking lamp/standing lamp: ...

Charging the batter
WARNING   Never charge a battery still installed in the vehicle unless a battery charger unit approved by Mercedes-Benz is being used. Gases may escape during charging and cause explosio ...