See also:

Emergency Tensioning Devices, beltforce limiters
The seat belts for the front seats are equipped with ETDs/belt buckle tensioners and seat belt force limiters. The outer seat belts in the second row of seats are equipped with ETDs and seat belt f ...

Creating new contacts/changing contacts
In certain countries, this function stops being available from a vehicle speed of more than approximately 3 mph (5 km/h). As soon as the speed falls below approximately 2 mph (3 km/h), the f ...

Cleaning the exterior lighting
  Clean the plastic lenses of the exterior lights with a wet sponge and a mild cleaning agent, e.g. Mercedes-Benz car shampoo or cleaning cloths. Only use cleaning agents or cleaning ...