127 Controls in detailSeats
Seat ventilation*
The switch is located on the door. Seat 
ventilation can be activated manually with 
the ignition switched on. The driver’s seat 
ventilation can be activated automatically 
by the summer opening feature 
(page 209).
The blue indicator lamps on the switch 
show the ventilation level selected:
1Seat ventilation switch
Switch on ignition (
page 34).
Switching on seat ventilation
Press switch1.
Three blue indicator lamps above the 
switch come on.
Continue pressing switch1 until the 
desired seat ventilation level is 
reached.Switching off seat ventilation
Press switch1 repeatedly until all in-
dicator lamps go out.
Level3
Three indicator lamps on
2
Two indicator lamps on
1
One indicator lamp on
off
No indicator lamp on
iThe seat ventilation for the driver’s seat 
is automatically set to the highest level 
if activated via summer opening fea-
ture (
page 209).
!If one or all of the lamps on the seat 
ventilation switch are flashing, there is 
insufficient voltage since too many 
electrical consumers are switched on. 
The seat ventilation switches off auto-
matically.
The seat ventilation will switch back on 
again automatically as soon as suffi-
cient voltage is available. 
196 Controls in detailAutomatic climate controlAdjusting the temperature for center 
air vents
When outside temperatures are low, you 
can manually raise the air temperature for 
the center and side air vents. The 
thumbwheel4 is located between the 
center air vents (
page 192).
Automatic temperature control
Turn thumbwheel 4 to A.
The indicator lamp above the thumb-
wheel comes on. The temperature is 
automatically adjusted to the set value.Turning on warm air
Turn thumbwheel 4 in the direction of 
the white marking.
Warm air will enter from the center air 
vent.
Turning on cooler air
Turn thumbwheel4 in the direction of 
the blue marking.
Cooler air will enter from the center air 
vent.
Adjusting air distribution
Use air distribution controlsc and6 
(page 194) to separately adjust the air 
distribution on each side of the passenger 
compartment. The following symbols are 
found on the controls:Symbol
Function
h
Directs air through the cen-
ter air vents
d
Directs air to the windows
»
Directs air into the entire 
vehicle interior
c
Directs air to the footwells