Mercedes-Benz M-Class 2009 Owners Manual - Manual (Page 198)

3-zone automatic climate control
196
Function Recommendation/Notes
d 9 AC cooling on/off i Switches on the air conditioning. The indicator lamp
in button 9 comes on.
( Y page 198)
9 Residual heat ventilation i With the engine turned off, it is possible to continue
to heat or ventilate the interior.
( Y page 204)
e Display
f ß Decreasing air volume ( Y page 202)
g : Air recirculation i Only use this function for a short time, e.g. in a tunnel.
Otherwise, the windows can fog up due to lack of fresh
air.
( Y page 203)
h 7 Air distribution, driver’s side (directs air through
center and side air vents) ( Y page 201)
j 8 Air distribution, driver’s side (directs air through the
footwells and side air vents) ( Y page 201)
k Interior temperature sensor
l ; Adopting driver’s side settings for all zones ( Y page 204)
Controls in detail