2005 Mercedes G-Class Owner's Manual - Page 168

Controls in detail Climate control Defrosting Activating Press button P. The indicator lamp in the button illuminates. The climate control automatically switches to the following functions: maximum blower and heat output air distribution to the windshield and the side windows rear ventilation is turned off Deactivating Press the P button. The indicator lamp in the button goes out. Defrosting is turned off. Air recirculation Switch to air recirculation mode to prevent unpleasant odors from entering the vehicle from the outside. This setting cuts off the intake of outside air and recirculates the air in the passenger compartment. Warning! i The air recirculation mode is activated automatically at high outside temperatures. If you have turned off the air conditioner or the outside temperature is below 41°F (5°C), the air recirculation mode will not switch on automatically. Deactivating Press button O briefly. The indicator lamp in the button goes out. The air recirculation mode is deactivated automatically: after 30 minutes if the outside temperature is above about 41°F (5°C) after 5 minutes if the outside temperature is below about 41°F (5°C) after 5 minutes if economy mode ACOFF is selected G When the outside temperature is below 41°F (5°C), only switch to air recirculation mode for short periods to prevent window fogging. Activating Press button O briefly. The indicator lamp in the button illuminates. 168