Mercedes-Benz C-Coupe 2012 Owners Manual - Manual (Page 94)

: To raise the backrest contour
; To soften the backrest contour
= To lower the backrest contour
? To harden the backrest contour
Switching the seat heating on/off
Switching on/off
G WARNING
Repeatedly setting the seat heating to level
3 may result in excessive seat temperatures.
The health of passengers that have limited
temperature sensitivity or a limited ability to
react to excessively high temperatures may
be affected or they may even suffer burn-like
injuries. Therefore, do not use seat heating
level
3 repeatedly.
The three red indicator lamps in the button
indicate the heating level you have selected.
i If the battery voltage is too low, the seat
heating may switch off.
Driver's and front-passenger seat
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.
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 which you
do not need, such as the rear window
defroster 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
selected.
i If the battery voltage is too low, the seat
ventilation may switch off.
92
Seats
Seats, steering wheel and mirrors