Mercedes-Benz 2007 E 320 BLUETEC Operator's Manual page 223

Controls in detail
4-zone automatic climate control
USA only
1 Air distribution, driver's side
2 Front defroster
3 Temperature rocker switch, driver's
side
4 Display
5 Temperature rocker switch,
passenger side
6 Rear window defroster
222
7 Air distribution, passenger side
8 Air distribution and air volume,
passenger side (automatic, manual)
9 AC cooling on/off
a Rear air-conditioning remote control
b Increasing air volume
c Climate control on/off
d Decreasing air volume
e MAX COOL on/off
f Air recirculation
g Air distribution and air volume,
driver's side (automatic, manual)