Mercedes-Benz C-Coupe 2015 Owners Manual - Manual (Page 101)

Problems with the seat heating
Problem Possible causes/consequences and M M Solutions
The seat heating has
switched off prema-
turely or cannot be
switched on.
The on-board voltage is too low because too many electrical con-
sumers 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 selec-
ted.
i If the battery voltage is too low, the seat
ventilation may switch off.
X
Make sure that the SmartKey is in position
2 in the ignition lock (
Y
page 133).
X To switch on: press button : repeatedly
until the desired ventilation level is set.
i You can open the front side windows and
the sliding sunroof using the "Convenience
opening" feature (
Y
page 86). The seat ven-
tilation of the driver's seat automatically
switches to the highest level.
X
To switch off: press button : repeatedly
until all the indicator lamps go out.
Seats
99
Seats,
steering
wheel
and
mirrors
Z