Activating/deactivating

in the ignition lock. Turn the SmartKey to position 2 in the ignition lock.
button. The indicator lamp in the To switch on: press the button lights up. Airflow and air button. The indicator lamp in the distribution are set to automatic mode. button lights up. Airflow and air distribution are set to automatic mode.
or
button. The indicator lamp in the Press the button goes out. The previously button. The indicator lamp in the selected settings come into effect again. button goes out. The previously selected settings come into effect again.
button. The indicator lamp in the To switch off: press the button lights up. button. The indicator lamp in the Activating/deactivating the cooling with air dehumidification function button lights up.

    See also:

    Problems with your vehicle
    If you should experience a problem with your vehicle, particularly one that you believe may affect its safe operation, we urge you to contact an authorized Mercedes-Benz Center immediately to ...

    System self-test
    The indicator lamp illuminates when you: • turn the SmartKey to position 1 or 2 in the ignition lock • Rpress the KEYLESS-GO Start/Stop button once or twice If an adult occupant is properly s ...

    Setting a speed
    WARNING Keep in mind that it may take a brief moment until the vehicle has made the necessary adjustments. Increase or decrease the set vehicle speed to a value that the prevailing road condi ...