#
Keep thetailpipe and theareaaround
thevehicle free from snowwhen the
engine or thestationaryheater arerun‐
ning.
#
Open awindowonthe windwardside of
thevehicle to ensureanadequatesup‐
ply of fresh air.
&
WARNING Risk of fire due to hotstation‐
aryheater components
When thestationary heater is switched on,
parts of thevehicle can become very hot, e.g.
thestationary heater exhaustsystem.
Flammable materials suchasleaves, grass or
twigs mayigniteiftheycome intocontact
with:
R
hotparts of thestationary heater exhaust
system
R
theexhaust gasitself
Thereisarisk of fire.
#
When thestationaryheater is switched
on, makesurethat:
R
Hotvehicle parts do notcome into
contact withflammable materials.
R
The exhaustgas can flow out of the
stationaryheater exhaustpipe
unhindered.
R
The exhaustgas doesnot come into
contact withflammable materials.
*
NOTE Damage to theauxiliaryheating
If theauxiliaryheating is notused foran
extendedperiod of time,itcan be damaged.
#
Switchthe auxiliaryheating on for
around tenminutesatleastonce a
month.
*
NOTE Damage to theauxiliaryheating
due to overheating
If thehot air flow is blocked, theauxiliary
heating can overheat and switchoff.
#
Do notblockthe hotair flow.
%
Vehicles with modified fuel displays: if an
externallyoperated consumerisconnected
via thecable forthe auxiliaryheater,this is
nottaken into considerationonthe "range
remaining" displayofthe on-boardcomputer.
In this case, observe thefuel display. The fuel
displayprovidesthe current level.
If youare transporting hazardous materials, com‐
ply withthe relevant safety regulations. Always
place objects at asufficient distance from the
outletopening of theauxiliaryheating.
Auxiliary heating worksindependentlyofthe
engine and complements theclimatecontrolsys‐
teminthe vehicle. Auxiliary heating heats theair
inside thevehicle to theset temperature.
Hot-water auxiliaryheater
Function of thehot-water auxiliaryheater
The hot-water auxiliaryheater complements your
vehicle's climatecontrolsystem, and has a
heater booster, auxiliaryheating and auxiliary
ventilation function. In addition, theauxiliary
heating system heats theengine coolant to pro‐
tect theengine and save fuel during thewarming-
up phase. The auxiliaryheatingheats theair
inside thevehicle to theset temperature. It is not
dependent on theheat output of therunning
engine.The auxiliary heating is operated directly
using thevehicle's fuel. Forthis reason,the fuel
tank musthave been filled above thereserve fuel
levelsothat theauxiliaryheating can work.The
auxiliary heating automatically adapts its operat‐
ing mode to theoutside temperatureand
weather.Itisthereforepossible that theauxiliary
heating mayswitchfromventilation to heating
mode or from heating to ventilation mode. When
theengine is running,auxiliary ventilation is not
active.Auxiliaryheating automatically switches
itself offafter amaximumof50minutes. You
cannotuse the"auxiliaryventilation" operating
mode to cool theair inside thevehicle to below
theoutside temperature. Auxiliary heating helps
to heat up thevehicle while theengine is running
and at lowoutsidetemperatures.
Operating thehot-water auxiliaryheater draws
powerfromthe vehicle battery. Therefore, drivea
reasonablylongdistance afterheating or ventilat‐
ing thevehicle twice in succession at most.
Auxiliary heating can be activated onlyattemper‐
atures below40°F(4.5 °C).
Switching thehot-water auxiliaryheatingon
and offwiththe button
Requirements:
R
The fuel tank is filled above thereserve fuel
level.
Climatecontrol
101
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