Operating The Auxiliary Heating System; Operating With The Button (Control Panel) - Mercedes-Benz Sprinter Operating Instructions Manual

the outside temperature and on the electrical
consumers switched on.
Outside tempera-
ture
Above 0 †
0 † to Ò10 †
Below Ò10 †
Before switching on
X
Check the fuel level and top up if necessary.
The auxiliary heating is operated directly
using the vehicle's fuel. The tank must be at
least a quarter full to ensure that the auxiliary
heating functions.
X
Switch on climate control (
X
Set the temperature control to the desired
Y
temperature ( page 111).
X
Set the air distribution as required
Y
( page 112).
X Y
Open the centre (
Y
vents ( page 115) and set them to the middle
position.
i The auxiliary heating automatically switches
to heater booster mode after the engine is
started.
Operating with the button (control
panel)
i Switch the heater booster function on or off
with the ¢ button (
X
To activate the auxiliary heating system:
press and hold the upper section of the y
button for longer than 2 seconds.
The red indicator lamp in the button lights up.
The auxiliary heating heats or ventilates the

Operating the auxiliary heating system

Engine runtime
at least 10 minutes
at least 15 minutes
at least 20 minutes
Y
page 111).
page 114) and side air
Y
page 120).
interior to the temperature that you have set.
The blower switches to the first level.
X
To switch off auxiliary heating: press the
upper section of the y button.
or
X
Turn the key to position 0 in the ignition lock.
The red indicator lamp in the button goes out.
The auxiliary heating operates for another
2 minutes and then switches off automati-
cally.
Preselecting a switch-on time
Important information
You can use the on-board computer to define up
to three switch-on times, one of which can be
preselected.
The yellow indicator lamp in the y button
goes out after 30 minutes, if you:
have selected the switch-on time and
R
turn the key to position 0 in the ignition lock
R
On-board computer without steering
wheel buttons
X
Turn the key to position 2 in the ignition lock.
X
Press the y button.
The y symbol flashes in the display.
or
X
Press the 4 menu button on the instrument
cluster repeatedly until the y symbol
flashes in the display.
X
Use the f or g buttons on the instrument
cluster to select the switch-on time
The switch-on time selected is displayed.
X
Wait 10 seconds for the standard display to
appear.
The switch-on time is selected. The yellow
indicator lamp in the y button lights up.
If you do not preselect a switch-on time, and
--:--
is shown in the display, this means that
the automatic switch-on mode is switched
off. The yellow indicator lamp in the y
button goes out.
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