See also:

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 ...

Downhill gradients
On long and steep gradients, you must reduce the load on the brakes by shifting early to a lower gear. This allows you to take advantage of the engine braking effect and helps avoid overheatin ...

Activating/deactivating DSR
Activating You can only activate DSR if you are driving at 25 mph (40 km/h) or slower. – Press button 1. Indicator lamp 2 lights up. The following messages appear in the multifunction displa ...