Mersedes SUV Manuals

Activating/deactivating cooling with air dehumidification

Mercedes-Benz G-Class / Mercedes-Benz G-Class Owners Manual / Climate control / Operating the climate control systems / Activating/deactivating cooling with air dehumidification

Points to observe before use

WARNING
If you switch off the cooling function, the vehicle will not be cooled when weather conditions are warm. The windows can fog up more quickly. Window fogging may impair visibility and endanger you and others.

The cooling with air dehumidification function is only available when the engine is running.

The air inside the vehicle is cooled and dehumidified according to the temperature selected.

Condensation may drip from the underside of the vehicle when it is in cooling mode. This is normal and not a sign that there is a malfunction.

The cooling with air dehumidification function uses refrigerant R134a. This coolant does not contain chlorofluorocarbons, and therefore does not damage the ozone layer.

Activating the cooling with air dehumidification function

If the cooling with air dehumidification does not switch on, it is possible that the climate control system has lost coolant.

Have the cooling with air dehumidification checked at a qualified specialist workshop.

Canada only


Canada only

1 Sets the temperature, left 2 Defrosts the windshield 3 Switches the ZONE function on/off 4 Activates/deactivates cooling with air dehumidification 5 Switches the rear window defroster on/off 6 Sets the temperature, right 7 Activates/deactivates air-recirculation mode 8 Sets the air distribution 9 Increases the airflow 10 Reduces the airflow
11 Display
12 Switches climate control on/off 13 Sets climate control to automatic

Press the The indicator lamp in the  button button.


The indicator lamp in the lights up. button
lights up.

USA only


USA only

1 Sets the temperature, left 2 Defrosts the windshield 3 Switches maximum cooling MAX COOL on/off 4 Activates/deactivates cooling with air dehumidification 5 Switches the rear window defroster on/off 6 Sets the temperature, right 7 Activates/deactivates air-recirculation mode 8 Sets the air distribution 9 Increases the airflow 10 Reduces the airflow
11 Display
12 Switches climate control on/off 13 Sets climate control to automatic

Press the The indicator lamp in the  button button.


The indicator lamp in the lights up. button
lights up.

Deactivating the cooling with air dehumidification function

Canada only


Canada only

1 Sets the temperature, left 2 Defrosts the windshield 3 Switches the ZONE function on/off 4 Activates/deactivates cooling with air dehumidification 5 Switches the rear window defroster on/off 6 Sets the temperature, right 7 Activates/deactivates air-recirculation mode 8 Sets the air distribution 9 Increases the airflow 10 Reduces the airflow
11 Display
12 Switches climate control on/off 13 Sets climate control to automatic

Press the The indicator lamp in the  button button.


The indicator lamp in the goes out. The cooling with air dehumidification button
goes out. The cooling with air dehumidification function has a delayed switch-off feature.

USA only


USA only

1 Sets the temperature, left 2 Defrosts the windshield 3 Switches maximum cooling MAX COOL on/off 4 Activates/deactivates cooling with air dehumidification 5 Switches the rear window defroster on/off 6 Sets the temperature, right 7 Activates/deactivates air-recirculation mode 8 Sets the air distribution 9 Increases the airflow 10 Reduces the airflow
11 Display
12 Switches climate control on/off 13 Sets climate control to automatic

Press the The indicator lamp in the  button button.


The indicator lamp in the goes out. The cooling with air dehumidification button
goes out. The cooling with air dehumidification function has a delayed switch-off feature.

Problems with the cooling with air dehumidification function

Canada only


Canada only

1 Sets the temperature, left 2 Defrosts the windshield 3 Switches the ZONE function on/off 4 Activates/deactivates cooling with air dehumidification 5 Switches the rear window defroster on/off 6 Sets the temperature, right 7 Activates/deactivates air-recirculation mode 8 Sets the air distribution 9 Increases the airflow 10 Reduces the airflow
11 Display
12 Switches climate control on/off 13  Sets climate control to automatic

When you press the indicator lamp in the button flashes three times or button, the
indicator lamp in the button flashes three times or remains off. You can no longer switch on the cooling with air dehumidification function.

Visit a qualified specialist workshop.

USA only


USA only

1 Sets the temperature, left 2 Defrosts the windshield 3 Switches maximum cooling MAX COOL on/off 4 Activates/deactivates cooling with air dehumidification 5 Switches the rear window defroster on/off 6 Sets the temperature, right 7 Activates/deactivates air-recirculation mode 8 Sets the air distribution 9 Increases the airflow 10 Reduces the airflow
11 Display
12 Switches climate control on/off 13 Sets climate control to automatic

When you press the indicator lamp in the button flashes three times or button, the
indicator lamp in the button flashes three times or remains off. You can no longer switch on the cooling with air dehumidification function.

Visit a qualified specialist workshop.

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