Mercedes-Benz 2005 E -Class Wagon Operator's Manual page 199

Controls in detail
Dual-zone automatic climate control
Depending on production date, your vehi-
cle is equipped with either climate control
panel design A or B.
Climate control panel design A
1 Left-side temperature control
2 Windshield defroster
3 Increase air volume
4 Air distribution
5 Rear window defroster
198
6 Right-side temperature control
7 Residual heat/ventilation
8 AC cooling on/off
9 Air distribution display
a Climate control on/off
b Air volume display
c Decrease air volume
d Air recirculation
e Air distribution and air volume
(automatic, manual)