See also:

Charging the battery
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 explosions th ...

Socket in the trunk
Lift up the cover of socket 1. ...

GTW (Gross Trailer Weight)
The GTW is the weight of a trailer including the weight of the load, luggage, accessories etc. on the trailer. ...