See also:

Automatic headlamp mode
To switch on automatic headlamp mode: turn the light switch to . SmartKey in position 1 in the ignition lock: the parking lamps are switched on or off automatically depending on the brightness ...

Optimised aerodynamics: the most aerodynamic SUV in its class
With a drag coefficient, or Cd value, of 0.32, the new Mercedes-Benz M-Class (ML 250 BlueTEC) also sets a new best figure for this vehicle class (total aerodynamic drag Cd x A = 0.92, predecessor ...

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 ...