2010 Mercedes R-Class Owner's Manual - Page 170

251_AKB; 4; 52, en-US d2ureepe, 2009-03-23T09:22:52+01:00 - Seite 168 Version: 2.11.8.1 168 Climate control shown in air volume display G (Y page 164). or X Adjusting air volume X Controls in detail Press air distribution button ¯, P, or O. The indicator lamp in button à goes out. The automatic operation of air distribution switches off. Setting the temperature 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: Turn temperature control : and/or C (Y page 164) slightly clockwise or counterclockwise. Decreasing/increasing: Press button I or K. The automatic mode is switched off. The selected blower speed is shown in air volume display G (Y page 164). When using the Voice Control System, the blower speed reduces automatically. When the Voice Control System is not used anymore, the blower speed increases to the previously selected level. Front defroster You can use this setting to defrost the windshield, for example if it is iced up. You can also defog the windshield and the side windows. i Keep this setting selected only until the windshield or the side windows are clear again. Activating X Adjusting air distribution The air distribution can be adjusted manually. The symbols on the buttons represent the following functions: Symbol ¯ P O Function Directs air to the windshield and side air vents Directs air through the center and side air vents Directs air to the footwells and side air vents Press button ¦. The indicator lamp in the button comes on. The climate control switches to the following functions automatically: Rmost efficient blower speed and heating power, depending on outside temperature Rair flows onto the windshield and the front door windows (side air vents must be open) air conditioning compressor switches on at outside temperatures above approximately 41‡ (5†) for airdrying Rthe X Press the desired air distribution button ¯, P, or O. The indicator lamp in button à goes out. The automatic mode is switched off. Air distribution is controlled according to the desired button. Adjustments You can adjust the air volume and the temperature when the front defroster is switched on. The air flow will remain on the windshield and front door windows.