Activating/deactivating airrecirculation mode

You can deactivate the flow of fresh air if unpleasant odors are entering the vehicle from outside. The air already inside the vehicle will then be recirculated.

The operation of air-recirculation mode is the same for all control panels.

Fogged windows impair visibility, WARNING
Fogged windows impair visibility, endangering you and others. If the windows begin to fog on the inside, switching off the air recirculation mode immediately should clear interior window fogging. If interior window fogging persists, make sure the air conditioning is activated, or press the
button. button.

- Turn the SmartKey to position 2 in the ignition lock.
- To activate: press the The indicator lamp in the  button button.
The indicator lamp in the lights button lights up.

In the event of high pollution levels or at In the event of high pollution levels or at high outside temperatures, airrecirculation mode is automatically activated. When air-recirculation mode is activated automatically, the indicator lamp in the Outside air is added after about 30 button is not lit.
Outside air is added after about 30 minutes.

- To switch off: press the button. button.
The indicator lamp in the goes button goes out.

Air-recirculation mode deactivates Air-recirculation mode deactivates automatically:

Rafter approximately five minutes if outside temperatures are less than about 41 °F (5 °C) Rafter approximately five minutes if cooling with air dehumidification is deactivated Rafter approximately 30 minutes if outside temperatures are over about 41 °F (5 °C) Rif you press the switch on cooling with air button and switch on cooling with air dehumidification

    See also:

    Important safety notes
    WARNING Inhalation of exhaust gas is hazardous to your health. All exhaust gas contains carbon monoxide (CO), and inhaling it can cause unconsciousness and possible death. Do not run the engi ...

    Cleaning the headliner and carpets
    Roof lining: use soft brushes or dry shampoo if it is particularly dirty. Carpets: use carpet and textile cleaners that have been approved and recommended by Mercedes-Benz. ...

    Qualified specialist workshop
    An authorized Mercedes-Benz Center is a qualified specialist workshop. It has the necessary specialist knowledge, tools and qualifications to correctly carry out the work required on your vehi ...