Headlamps fogged up on the inside

The headlamps may fog up on the inside if there is high atmospheric humidity.

  • Drive with the headlamps switched on. The level of moisture diminishes, depending on the length of the journey and the weather conditions (humidity and temperature).

If the level of moisture does not diminish:

  • Have the headlamps checked at a qualified specialist workshop.
    See also:

    State-of-the-art engine technology from the inventor of the diesel passenger car
    The 2.2-litre CDI engine turns the ML 250 BlueTEC 4MATIC into the most economical SUV in its class. With NEDC fuel consumption of 6.0 l/100 km, the model even outperforms any hybrid model currentl ...

    Tire pressure of at least 180 kPa (1.8 bar/26 psi) is not reached
    If, after five minutes, a pressure of 180 kPa (1.8 bar/26 psi) has not been achieved: •► Press the on/off switch on the tire inflation compressor to 0. The tire inflation compressor is swi ...

    Calling up a stored setting
    If you want to move the seat from the fully reclined position to a stored seat position, first raise the backrest. The seat could otherwise be damaged. Press and hold the relevant storage positi ...