2011 Mercedes R-Class Owner's Manual - Page 137

Overview of climate control systems Function = Defrosts the windshield ? Increases the airflow A Directs the airflow through the defroster vents B Switches cooling with air dehumidification on/off Switches the residual heat function on/off Activate climate control using the à and Á buttons. The indicator lamps in the à and Á buttons light up. Use the residual heat function if you want to heat or ventilate the vehicle interior when the ignition is switched off. The "residual heat" function can only be activated or deactivated with the ignition switched off. Set the temperature to 72 ‡ (22 †). 135 i Notes/tips Only use the "defrosting" function briefly until the windshield is clear again. C Sets the temperature, right D Switches rear-compartment climate control on/off E Directs the airflow through the center and side air vents F Directs the airflow to the footwells and side air vents G Displays the airflow level H Reduces the airflow I Switches the rear window heating on/off J Activates/deactivates airrecirculation mode Only use "air-recirculation" mode briefly, e.g. if there are unpleasant outside odors or when in a tunnel. The windows could otherwise fog up as, in airrecirculation mode, no fresh air is drawn into the vehicle. K Interior temperature sensor L Switches climate control on/ off Rear control panel M Increases the airflow Z Activate climate control using the à and Á buttons. The indicator lamps in the à and Á buttons light up. Climate control