2003 Mercedes E-Class Owner's Manual - Page 167

Controls in detail Climate control Adjusting automatically Press the U button. The air volume is adjusted automatically. Maximum cooling MAX COOL If the left air distribution/airflow volume control 15 ( page 164) is set to U and there is a high need for cooling, the display "MAX COOL" 4 ( page 164) appears in the climate control. This provides the fastest possible cooling of the vehicle interior (when windows and sliding/pop-up roof are closed). Defrosting The indicator lamp on the button goes out. Defrosting is turned off. Air recirculation mode 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! Switch off air recirculation, if selected. Press button O. The indicator lamp on the button goes out. Close center air outlets. Open left and right side air outlets and adjust side air outlets upwards. Deactivating Press button P. i These settings should only be selected for a short time. Activating Press button P. The indicator lamp on the button comes on. or G When the outside temperature is below 41°F (5°C), only switch to air recirculation mode for short periods to prevent window fogging. 167