Mercedes-Benz E-Class Coupe Operator's Manual page 114

Seats
112
The three red indicator lamps in the button
indicate the heating level you have selected.
The system automatically switches down
from level 3 to level 2 after approximately
eight minutes.
The system automatically switches down
from level 2 to level 1 after approximately ten
minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level 1.
X
Make sure that the SmartKey is in position
1 or 2 in the ignition lock.
X
To switch on: press button : repeatedly
until the desired heating level is set.
X
To switch off: press button : repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
heating may switch off.
Problems with the seat heating
The seat heating has switched off
prematurely or cannot be switched on. The
vehicle's electrical system voltage is too low
because too many electrical consumers are
switched on.
X
Switch off electrical consumers that you do
not need, such as the rear window
defroster or interior lighting.
Switching the seat ventilation on/off
Activating/deactivating
The three blue indicator lamps in the buttons
indicate the ventilation level you have
selected.
X
Make sure that the SmartKey is in position
2 in the ignition lock.
X
To switch on: press button : repeatedly
until the desired ventilation level is set.
X
To switch off: press button : repeatedly
until all the indicator lamps go out.
i If the battery voltage is too low, the seat
ventilation may switch off.
i Coupe: you can open the side windows
and the panorama roof with power tilt/
sliding panel using the "Convenience
opening" feature ( Y
ventilation of the driver's seat
automatically switches to the highest level.
Cabriolet: you can open the soft top and the
rear side windows with the SmartKey
( Y page 91). The seat ventilation of the
driver's seat automatically switches to the
highest level.
Problems with the seat ventilation
The seat ventilation has switched off
prematurely or cannot be switched on. The
vehicle's electrical system voltage is too low
because too many electrical consumers are
switched on.
X
Switch off electrical consumers that you do
not need, such as the rear window
defroster or interior lighting.
AIRSCARF (Cabriolet)
G
WARNING
Very hot air can flow out of the AIRSCARF
vents in the head restraints when AIRSCARF
is in operation. This can cause burns on
unprotected skin near the AIRSCARF vents.
Make sure that you reduce the heater output
in time.
page 86). The seat