2010 Mercedes E-Class Owner's Manual - Page 161

Climate control system X 159 Deactivating: Press rocker switch H or I (Y page 155). The indicator lamp above button à goes out. Rear climate control panel You can adjust the air temperature on the rear passenger compartment. You should raise or lower the temperature setting in small increments, preferably starting at 72‡ (22†). X Increasing/decreasing: Press rocker switch K or M (Y page 155). Setting temperature Dual-zone automatic climate control You can adjust the air temperature on each side of the passenger compartment. You should raise or lower the temperature setting in small increments, preferably starting at 72‡ (22†). X Increasing/decreasing: Press rocker switch E or H (Y page 153) up or down. Adjusting air vents G Warning! When operating the climate control, the air that enters the passenger compartment through the air vents can be very hot or very cold (depending on the set temperature). This may cause burns or frostbite to unprotected skin in the immediate area of the air vents. Always keep sufficient distance between unprotected parts of the body and the air vents. If necessary, use the air distribution adjustment to direct the air to air vents in the vehicle interior that are not in the immediate area of unprotected skin. 3-zone automatic climate control You can set the air temperature for each of the 3 zones separately. You should raise or lower the temperature setting in small increments, preferably starting at 72‡ (22†). For best possible performance of the climate control: X Keep the air intake grille in front of the windshield free of snow, leaves, sticks, and any other debris. X Always keep all air vents and grilles in the passenger compartment free from obstruction. Front zones X Increasing/decreasing: Press rocker switch F or J (Y page 155) up or down. Rear zones X Increasing/decreasing: Press rocker switch F or J (Y page 155) up or down. i For draft-free ventilation, move the adjustable center and side air vents to the middle position. Z Controls in detail