2010 Mercedes S-Class Owner's Manual - Page 370

368 Climate control system Front temperature with front climate control panel X X Increasing/decreasing: Press rocker switches w up or down or use COMAND (Y page 211). The climate control system will correspondingly adjust the interior air temperature. 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. Controls in detail Rear temperature with front climate control panel X i For draft-free ventilation, move the adjustable center and side air vents to the middle position. Center air vents Activate the RearY function via COMAND (Y page 215). This function is used to operate the rear climate control via COMAND and the rocker switches on the control panel from the front. X Increasing/decreasing: Press rocker switches w up or down. Rear temperature with rear climate control panel X Increasing/decreasing: Press rocker switches w up or down. : Cockpit air vent, fixed ; Right center air vent, adjustable = Thumbwheel for air volume control for adjustable right center air vent 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. ? Thumbwheel for air volume control for adjustable left center air vent A Left center air vent, adjustable X Opening/closing: Turn thumbwheels = and ? upward or downward. For best possible performance of the climate control: