Switching the seat ventilation on/off
Switching on/off
The three blue indicator lamps in the buttons
indicate the blower setting you have selected.
X
Ensure that the SmartKey is in position
2
in the ignition lock.
X
To switch on: press button
:
repeatedly
until the desired blower setting 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
If you open the roof using the SmartKey
(
Y
page 92), the driver's seat ventilation is
automatically switched on and the side win-
dows open.
Problems with the seat ventilation
The seat ventilation 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.
X
Switch off electrical consumers that you do
not need, such as the rear window defroster
or interior lighting.
X
Once the battery is sufficiently charged,
switch on the seat heating again.
AIRSCARF
Setting head level heating (AIRSCARF)
G
WARNING
When AIRSCARF is switched on, very hot air
can flow from the vents in the head
restraints. This could result in burns in the
immediate vicinity of the air vents. There is a
risk of injury.
Reduce the heater output before it becomes
too hot.
The AIRSCARF function warms the head and
neck area of vehicle occupants with warm air.
The warm air flows out of the holes in the head
restraints.
The three red indicator lamps in the button
indicate the heating level you have selected.
X
Ensure that the SmartKey is in position
2
in the ignition lock.
X
To switch on: press button
:
.
Three red indicator lamps in the button light
up. The blower starts up after a preheating
phase of seven seconds.
X
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
The blower continues running for seven
seconds to cool down the heating elements.
i
If the battery voltage is too low, AIRSCARF
may switch off.
102
Seats
Seats,
steering
whee
land
mir
rors
Summary of Contents for SL 450 2019
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