2005 Mercedes S-Class Owner's Manual - Page 206

Controls in detail Automatic climate control Ventilated storage compartment Depending on vehicle model and configuration, your vehicle is equipped with a storage compartment under the front armrest ( page 245) which can be ventilated when the automatic air conditioning is switched on. If so equipped, the switch is located inside the storage compartment in the front. The air temperature is about the same as that of the center air vents. The air volume is dependent on the setting of: Air distribution control Air volume control Air vents in the dashboard The air temperature is about the same as that of the dashboard air vents. It cannot be regulated separately. Switching ventilation on Open the storage compartment in front of the armrest, see "Storage compartment in front of armrest" ( page 245). Push upper portion of switch. Switching ventilation off Open the storage compartment in front of the armrest, see "Storage compartment in front of armrest" ( page 245). Push lower portion of switch. Rear passenger compartment adjustable air vents Rear center console air vents ! Do not obstruct the air vent in the storage compartment. 1 Left center air vent, adjustable 2 Right center air vent, adjustable 3 Thumbwheel for center air vents with adjustable booster blower i The compartment can get very warm due to its confined space. When storing heat sensitive objects in the compartment, close the air vent while heating the passenger compartment. 204