Mercedes-Benz E-Class 2009 Owners Manual - Manual (Page 182)

Climate control system
180
Control panels
Dual-zone automatic climate control
Function Recommendation/Notes
1 Temperature control, driver’s side i Set the temperature to 72‡ (22†). ( Y page 186)
2 y Front defroster i Keep this setting selected only until the windshield
or the side windows are clear again.
( Y page 190)
3 Q Increasing air volume ( Y page 190)
Controls in detail