See also:

Mounting dimensions
WARNING Only have a trailer tow hitch retrofitted at a qualified specialist workshop which has the necessary specialist knowledge and tools to carry out the work required. Mercedes-Benz reco ...

Cleaning the trailer tow hitch
The ball coupling must be cleaned if it becomes dirty or corroded. – Remove rust on the ball of the ball coupling, e.g. with a wire brush. – Remove dirt with a clean, lint-free cloth or a brus ...

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 tha ...