Mercedes-Benz GLC Owner's Manual page 130

Problems with the seat heating
Problem
The seat heating has
switched off prema-
turely or cannot be
switched on.
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.
Turn the key to position 1 or 2 in the ignition
X
lock ( page 187).
Y
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
You can open the side windows and the
sliding sunroof using the convenience
opening feature (
Y
ventilation of the driver's seat automati-
cally switches to the highest level.
i
When the vehicle is stationary, the fan
speed can be reduced automatically. This
reduces the noises of the seat ventilation.
Possible causes/consequences and M M Solutions
The on-board voltage is too low because too many electrical con-
sumers are switched on.
Switch off electrical consumers that you do not need, such as
X
the rear window heating or interior lighting.
Once the battery is sufficiently charged, the seat heating can be
switched back on manually.
page 111). The seat
Seats
127
Z