Heater Booster Function - Mercedes-Benz Sprinter Operator's Manual

On-board computer with steering wheel
buttons
X
Use the same method to select a switch-on
time as described in the "Preselecting a
switch-on time" section.
X
Press the & button on the steering
wheel.
The Hours submenu is shown in the
display.
X
Press the W or X button on the
steering wheel to set the hours.
X
Press the & button.
Minutes
The submenu is shown in the
display.
X
Press the W or X button to set the
minutes.
X
Press the V button.
The switch-on time is set and selected.

Heater booster function

At an outside temperature of up to 39 ‡
(4 †), the fuel-fired auxiliary heating heats
the vehicle interior as quickly as possible
when the engine is running.
The auxiliary heating automatically switches
to heater booster mode after the engine is
started.
i At an outside temperature above 39 ‡
(4 †), the auxiliary heating system and the
heater booster function switch off
automatically.
Vehicles with auxiliary heating
Climate control
To switch the auxiliary heating on/off
:
To switch the heater booster function on/
;
off
X
To switch on/off: press the ¢ switch.
The indicator lamp in the switch lights up if
the heater booster function is switched on.
After switching off, the auxiliary heating
operates for approximately another
2 minutes and then switches off
automatically.
If you switch off the engine without switching
off the heater booster function, the system
will be switched on the next time the engine
is started (memory function).
Roof ventilator
The roof ventilator can be used to ventilate or
extract air from the vehicle interior.
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