Mercedes-Benz E-Class Owner's Manual page 117

Seats
114
Driver's and front-passenger seat
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.
Make sure that the key is in position 1 or
X
2 in the ignition lock.
To switch on: press button : repeatedly
X
until the desired heating level is set.
To switch off: press button : repeatedly
X
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 prema-
turely or cannot be switched on. The vehicle's
electrical system voltage is too low because
too many electrical consumers are switched
on.
Switch off electrical consumers that you do
X
not need, such as the rear window heating
or interior lighting.
Switching the seat ventilation on/off
Switching on/off
The three blue indicator lamps in the buttons
indicate the ventilation level you have selec-
ted.
Make sure that the key is in position 1 or
X
2 in the ignition lock.
To switch on: press button : repeatedly
X
until the desired ventilation level is set.
To switch off: press button : repeatedly
X
until all the indicator lamps go out.
i
If the battery voltage is too low, the seat
ventilation may switch off.
i
Coupé: you can open the side windows
and the panorama sliding sunroof using the
"Convenience opening" feature
( page 90). The seat ventilation of the
Y
driver's seat automatically switches to the
highest level.
Cabriolet: you can open the soft top and the
rear side windows with the key
( page 94). The seat ventilation of the
Y
driver's seat automatically switches to the
highest level.