2011 Mercedes R-Class Owner's Manual - Page 139

Overview of climate control systems Function ? Defrosts the windshield A Increases the airflow B Switches the rear window heating on/off C Directs the airflow through the defroster vents, right D Operates the rearcompartment climate control via the front control panel 137 i Notes/tips Only use the "defrosting" function briefly until the windshield is clear again. F Switches climate control on/ off G Directs the airflow to the footwells and side air vents, right H Directs the airflow through the center and side air vents, right I 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. 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. J Display K Reduces the airflow L Activates/deactivates airrecirculation mode M Directs the airflow through the center and side air vents, left N Directs the airflow to the footwells and side air vents, left Z Climate control E Sets the temperature, right Set the temperature to 72 ‡ (22 †).