heating MERCEDES-BENZ G-CLASS SUV 2016 User Guide

X
Repeatedly tap th ekeyagainst your palm until
battery =falls out.
X Inser tthe newb attery wit hthe positive ter-
minal facing upwards. Use alint-free cloth to
do so.
X Mak esuret hatthe surfac eofthebattery is
free of lint, grease and other contamination. X
Insert th efront tabs of battery compartment
cover :into the housing and then press to
close it.
X Insert emergency key element ;into the key
(Y page 59).
X Check the function of all key buttons on the
vehicle. Problem
swith the key Problem
Possible causes/consequences and
M MSolutions You can no longer lock or
unlock the vehicle using
the key. The key battery is weak or discharged.
X Check the key battery (Y page 59) and replace if necessary
(Y page 59).
If this does not work: X Lock or unlock the vehicle using the emergency key element
(Y page 62). There is interferenc
efrom apowerful source of radio waves.
X Lock or unlock the vehicle using the emergenc ykey element
(Y page 62). The key is faulty.
X Lock or unlock the vehicle using the emergenc ykey element
(Y page 62).
X Have the key checked at aqualified specialist workshop. The engine cannot be
started using the key. The on-board voltage is too low.
X Switch off non-essential consumers, e.g. seat heating or interior
lighting, and try to start the engine again.
If this does not work:
X Check the starter battery and charge it if necessary (Y page 226).
or X Jump-start the vehicle (Y page 227).
or X Consult aqualified specialist workshop. 60
KeyOpening and closing

G
WARNING
You coul dlose control of the vehicl ewhile
driving if you:
R adjust the driver's seat, steering whee lor
mirrors
R fasten the seat belt
There is arisk of an accident.
Adjust the driver's seat, headr estraint, steer-
ing whee land mirrors and fasten yours eat
beltb efore starting the engine. G
WARNING
The headr estraints cannot provid ethe inten-
ded protection unless they are fitted and
adjusted correctly. There is an increased risk of injury to the heada nd neck in the event of
an accident or sudden braking, for example.
Always drive with the headr estraints fitted.
Ensure that the centre of the headr estraints
support the back of each vehicl eoccupant's
headate ye levelbefore driving off.
Make sure that you do not interchange the head restraints of the front and rear seats when
adjusting the headr estraints. Otherwise, you
cannot adjust the height and angle of the head
restraints correctly.
Adjust the headr estraint so that it is as close as
possible to yourh ead. G
WARNING
If the driver's seat is not correctly engaged, it coul dunexpectedly move while driving. This
coul dcausey ou to lose control of the vehicle.
There is arisk of an accident.
Always ensure that the driver's seat is
engaged before starting the vehicle. G
WARNING
If you adjust the seat height carelessly, you or other vehicl eoccupants coul dbetrappe dand
thereby injured .Childre ninparticular could
accidentally press the electrica lseat adjust-
ment buttons and become trapped. There is a
risk of injury.
Whil emoving the seats, make sure that your
hands or other body parts do not get under the lever assembly of the sea
tadjustmen tsys-
tem. G
WARNING
Whe nadjusting aseat, you or another vehicle
occupant coul dbecome trappe dbythe guide
rail of the seat, for instance. There is arisk of
injury.
Make sure that no one has any part of their
body withi nthe swee pofthe seat when
adjusting it. G
WARNING
If the seat beltisn ot in the seat beltg uide, it
no longer offers the intended leve lofprotec-
tion. An incorrectly fastened seat beltc an also
caus eadditiona linjuries. This poses an
increased risk of injury or even fatal injury.
Before starting ajourney ,alwaysm ake sure
that the seat beltisint he seat beltguide and
all vehicl eoccupants have fastened their seat
belts properly.
! To avoi
ddamage to the seats and the seat
heating, observe the following information:
R do not spil lany liquidsont he seats. If liquid
is spilled on the seats, dry them as soon as possible.
R if the seat covers are damp or wet, do not
switch on the seat heating. The seat heat-
ing should alson ot be used to dry the seats.
R clea nthe seat covers as recommended;
see "Interio rcare".
R do not transport heav yloads on the seats.
Do not place sharp objects on the seat
cushions, e.g. knives, nail sortools. The
seats should only be occupied by passen-
gers, if possible.
R when the seat heating is in operation, do
not cover the seats with insulating materi-
als,e .g. blankets, coats, bags, seat covers,
child seats or booster seats.
! Make sure that there are no objects in the
footwel lunder or behind the seats when mov-
ing the seats back. There is arisk that the
seats and/or the objects coul dbedamaged.
! When the rear bench seat is folde
dfor-
wards, the front seats cannot be moved to 68
SeatsSeats
,steering wheela nd mirrors

Adjusting th
eangle of th ehead
restraints X
Push or pull the lowe redge of the head
restraint in the direction of the arrow.
Rear seat head restraints Important safety notes
G
WARNING
The head restraints cannot provide the inten-
ded protection unless they are fitted and
adjusted correctly. Ther eisanincreased risk
of injury to the heada nd neck in the event of
an accident or sudden braking, for example.
Always drive with the headr estraints fitted.
Ensure that the centre of the headr estraints
support the back of each vehicl eoccupant's
headate ye levelbefore driving off.
Observe the following when adjusting the head
restraints:
X Do not interchange the headr estraints of the
front and rear seats.
Otherwise, you cannot adjust the height and
angle of the headr estraints correctly.
X Adjust the headr estraint so that it is as close
as possible to yourh ead. Ad
justing th erears eat hea drestraint
height X
If th ehead restraint is fullyl owered, it is nec-
essary to press release catch :.
X To raise: pullthe head restraint up to the
desire dheight.
X To lower: press release catch :and push
the head restraint down until it is in the
desire dposition.
Fitting/removin gthe rear seat head
restraints
X To remove: pullthe head restraint up to the
stop.
X Press release catch :and pullt he head
restraint out of the guides.
X To refit: place the head restraint in the guides
of the backrest.
i The notches on the guide rod must be on the
left-hand side when viewedint he direction of
travel.
X Push the head restraint down until you hear it
engage in position. Switching the seat heating on/off
General notes G
WARNING
If you repeatedly switch on seat heating, the
seat cushion and backrest padding may
become very hot. The health of vehicle occu-
pants with limited temperature sensitivity or a limited ability to react to excessively high
temperatures may be affected or they may 70
SeatsSeats, steerin
gwheela nd mirrors

even suffer burn-like injuries. There is
arisk of
injury.
Therefore, do not switch on the seat heating
repeatedly.
The red indicator lamps in the button indicate
the heating level you have selected.
X Make sure that the key is in position 1or2
in the ignition lock.
i If the batter
yvoltage is too low, the seat
heating may switch off.
Switching the front seat heating on/off X
To switch on: press button:repeatedly
until th edesir ed heating level is set.
X To switc hoff:press button :repeatedly
unti lallthe indicator lamps go out.
i The system automaticall
yswitches down
from level 3to level 2afte rapproximately
eight minutes.
The system automaticall yswitches down
from level 2to level 1afte rapp roximatel yten
minutes.
The system automaticall yswitches off
approximatel y35minutes afte ritisset to
level 1.
Problems wit hthe seat heating Problem
Possible causes/consequences and
M MSolutions The seat heating has
switched off prematurely
or cannot be switched
on. The on-board voltage is too low because too many electrical consum-
ers are switched on.
X Switch off electrical consumers that you do not need, such as the
rear window heating or interior lighting.
Once the battery is sufficiently charged, the seat heating can be
switched back on manually. Steering wheel
Important safety notes
G
WARNING
You could lose control of the vehicle while
driving if you:
R adjust the driver's seat, steering wheel or
mirrors
R faste nthe seat belt There is
arisk of an accident.
Adjust the driver's seat, head restraint, steer- ing wheel and mirrors and fasten your seat
belt before starting the engine. G
WARNING
Children could becom etrappe dbythe steer-
ing whee lifthey adjust it. There is arisk of
injury. Steering wheel
71Seats,steering wheela nd mirrors
Z

Overview of the climat
econtrol sys-
tem General notes
Observe the settings recommended on the fol-
lowing pages. Otherwise, the windows could
mist up.
To prevent the windows from misting up:
R switch off climate control only briefly
R activate air-recirculation mode only briefly
R activate the "Cooling with dehumidification"
function
R activate the "Windscreen demisting" function
briefly, if required
Climate control regu lates the temperature and
the humidity in the vehicle interior and filters
undesirables ubstances out of the air. The "Cooling with air dehumidification" function
is available only when the engin eisrunning.
Optimum operation is only achieved when the
side windows and the sliding sunroof are closed.
Climate comfor tmay be adversely affected if the
sliding sunroof is open for along period of time.
Set the temperature manually if the sliding sun-
roof is open.
The "Residual heat" function can be switched on or off only when the ignition is switched off
(Y page 89).
The integrated filter can filter out most particles of dust and completely filters out pollen. Aclog-
ged filter reduces the amount of air supplied to
the vehicle interior. Dependin gonthe operating
conditions and environmental influences, the
interval for replacing the filter may be shorter
than specified. Control panel for THERMATIC automatic climate control (dual-zone)
:
To set the temperature, left (Y page 86)
; To demist the windscreen (Y page 87)
= To switch the ZONE function on/of f(Y page 87)
? To activate/deactivate cooling with air dehumidification (Y page 85)
To switch the residual heat on/of f(Ypage 89)
A To switch the rear window heating on/of f(Y page 88)
B To set the temperature, right (Y page 86)
C To activate/deactivate air-recirculation mode (Y page 89)
D To set the air distribution (Y page 86)
E To increase the airflow (Y page 87)
F To reduce the airflow (Y page 87)
G To switch climate control on/of f(Y page 85) 84
Overview of the climate control systemClimate
control

Windows misted up on the outside
X
Switch on the windscreen wiper s(Ypage 81).
X Press the _button repeatedl yuntilthe
P orO symbo lapp ears in the display.
i You shoul
donly select this setting unti lthe
windscreen is clear again.
i If yo
uclean the window sregularly, they do
not mis tupasq uickly. Switching windscree
nheating on/off X
Turn the key to position 2(Ypage 96) in
the ignition lock.
X To switch on: press button;.
Indicator lamp :lights up.
X To switch off: press button;.
Indicator lamp :goes out.
At outside temperatures above 10 †the wind-
screen heating cannot be switched on. Indicator lamp
:lights up briefly when you attempt to
switch it on and then goes out again.
The windscreen heating has ahigh current draw.
You should therefore switc hitoff as soon as the
windscreen is clear. Otherwise the windscreen
heatin gswitches itself off automatically after
10 minutes.
If the battery voltage is too low, the windscreen heatin gmay switc hoff.I ndicator lamp :
flashes when the windscreen heatin ghas been
switched off automatically. The windscreen
heatin gwill automatically switc hback on as
soon as there is sufficient voltage again. Switching the rear windo
wheating
on/off
General notes The rear window heating has
ahigh current
draw. You should therefor eswitch it off as soon
as the window is clear. The rear window heating otherwise switches off automatically after sev-
eral minutes.
If the battery voltage is too low, the rear window
heating may switch off.
Activating/deactivating X
Turn the key to position 2(Ypage 96) in
the ignition lock.
X Press the ¤button.
The indicator lamp in the ¤button lights
up or goes out.
Problems with the rear window heating Problem
Possible causes/consequences and
M MSolutions The indicator lamp in the
¤ button flashes. th
eo n-board voltag eistoo low
X Switch off any consumers tha tare not required ,e.g.r eading lamps,
interio rlighting or the seat heating. Th
er ear window heating
has switched off prema-
turely or cannot be
switched on. The battery has not been sufficiently charged.
X Switch off any consumer sthat are not required, e.g. reading lamps,
interior lighting or the seat heating. 88
Operating the climate control systemClimate
control

Activating/deactivating air-recircula-
tion mode
Genera lnotes If yo
uactivate air-recirculation mode, the win-
dows can mist up more quickly, particularly at
low temperatures. Use air-recirculation mode
only briefl ytoprevent the window sfrom misting
up.
Activating/deactivating X
Turn the key to position 2(Ypage 96) in
the ignition lock.
X To activa te:press the dbutton.
The indicator lamp in the dbutton lights
up.
i Air-recirculation mode is automatically acti-
vated at high levels of pollution or at high out-
side temperatures. When air-recirculation
mode is activated automatically, the indicator
lamp in the dbutton is not lit.
Outside air is added after about 30 minutes.
X To deactivate: press thedbutton.
The indicator lamp in the dbutton goes
out.
i Air-recirculation mode is deactivated auto-
matically:
R after approximately five minutes at outside
temperatures below approximately 5†
R after approximately five minutes if "Cooling
with air dehumidification" is deactivated
R after approximately 30 minutes at outside
temperatures above approximately 5†Switching the residual heat on/off
General notes It is possible to make use of the residual heat of
the engine to continue heating the stationary
vehicle for up to 30 minutes after the engine has
been switched off. The heating time depends on
the set interior temperature. Switching on/off X
Turn the key to position g(Ypage 96) in
the ignition lock or remove it.
X To switch on: press theÁbutton.
The indicator lamp in the Ábutton lights
up.
i The blower will run at
alow speed regardless
of the airflow setting.
i If you switch on the residual heat function at
high temperatures, only the ventilation will be
activated.
X To switch off: press theÁbutton.
The indicator lamp in the Ábutton goes
out.
Residua lheat is switched off automatically:
R after approximately 30 minutes
R when the ignition is switched on
R if the battery voltage drops
R if the coolant temperature is too low
R when the auxiliary heating is switched on Auxiliary heating
Important safety notes G
DAN
GER
If th eexhaust pipe is blocke dorsufficient
ventilation is no tpossible, toxic exhaust
fumes can ente rthe vehicle, especially car-
bon monoxide. This is th ecase, e.g. in
enclosed spaces, or if th evehicl eiss tuck in
snow. There is ariskoff atal injuries.
You should switch off th eauxiliary heating in
enclosed spaces whic hdonothav eane xtrac-
tion system, e.g. agarage. If th evehicl eis
stuck in snow and you mus tleav ethe auxiliary
heating running, keep th eexhaust pipe and
th ea rea around th evehicl eclear of snow. To
guarantee asufficien tsupply of fresh air, open
aw indow on th eside of th evehicl eaway from
th ew ind. G
WARNING
When th eauxiliary heating is switched on,
parts of the vehicl ecan become very hot. Operating the climate control system
89Climate control
Z

Flammable materials such as leaves, grass or
twig smay ignite if they come into contact
with:
R hot parts of the exhaust system
R the exhaust ga sitself
There is arisk of fire.
Whe nthe auxiliary heating is switched on,
make sur ethat:
R no flammable materials come into contact
with hot vehicle components
R the exhaust ga scan escape from the
exhaust pip eunhindered
R the exhaust ga sdoesn ot come into contact
with flammable materials.
! Operating the auxiliary heating/ventilation
draws on the vehicle battery. After yo uhave
heated or ventilated the vehicle amaximum of
two times ,drive for alonger distance.
i Switch the auxiliary heating on regularly –
once amonth –for abou tten minutes.
The auxiliary heating heats the ai rinthe vehicle
interior to the set temperature. Thi soccur swith-
ou tu sing the hea tofthe running engine. The
auxiliary heating is operate ddirectly using the
vehicle' sfuel. For this reason, the fue ltank level
mus tbea bove the reserve rang etoensure that
the auxiliary heating functions.
The auxiliary heating or auxiliary ventilation
automaticall yadjusts to changes in tempera-
ture and weathe rconditions. For this reason,
the auxiliary heating could switch from ventila-
tion mode to heating mode or from heating
mode to ventilation mode.
The auxiliary heating switches off automatically afte r30m inutes. Thi stime period can be
altered .Todot his, consult aquali fied specialist
workshop.
You cannot use the auxiliary ventilation to cool
the vehicle interior to atemperature lower than
the outsid etemperature.
Before switchin gonX
Turn the key to position 2(Ypage 96) in
the ignition lock.
X Set the desired temperature.
Auxiliary heating or auxiliary ventilation can also
be switched on if the manually set climate con- trol is activated. Optimum comfort is attained by
settin gthe syste mtoautomatic mode. Set the
temperatur eto22†.
The auxiliary heating or auxiliary ventilatio ncan
be switched on/off using the button on the
centr econsol eorthe remote control.
The on-board compute rcan be used to specify
up to thre edepartur etimes ,one of which may
be preselected (Y page 139).
Switchin gthe auxiliary heating/venti-
lation on/off using the centre console
button Th
ec olours of the indicator lamps on button :
have the following meanings:
R Blue: auxiliary ventilation activated
R Red: auxiliary heating activated
R Yellow: departure time preselected
(Y page 139)
X To switch on the auxiliar
yheating or aux-
iliary ventilation: press button:.
The red or blue indicator lamp in button :
lights up.
X To switch off the auxiliar
yheating or aux-
iliary ventilation: press button:.
The red or blue indicator lamp in button :
goes out.
Switching the auxiliar yheating/venti-
lation on/off using the remotec ontrol General notes
Your vehicle comes with one remot econtrol.
You may use two additional remote controls for
yourv ehicle.For more information, please con-
tact aqualified specialist workshop.
Store the remote control for the auxiliary heat-
ing so that the auxiliary heating cannot be acti- 90
Operating the climate control systemClimate control

vated unintentionally. In particular, ensure that
the remote control for the auxiliary heating is
kept out of the reach of children.
The remote control has
arange of approximately
300 metres .This range is reduced by:
R source sofradioi nterference
R soli dobjects between the remote control and
the vehicle
R the remote control being in an unfavourable
position in relation to the vehicle
R transmitting from an enclosed space
If the remote control battery is low,t he battery
symbol on the left of the display is show nas
empty. Replace the remote control battery and
observe the important safety notes when doing so (Y page9 2).
Activating/deactivating the auxiliary
heating or auxiliary ventilation Remote control
: Display
; u Activates the auxiliaryh eating or aux-
iliary ventilation
Checks th estatus
= . Setsthe departur etime
? ^ Deactivates th eauxiliary heating or
auxiliary ventilation
A , Setsthe departur etime
X To activate: press and hold the ubutton.
ON is shown on th eremot econtro ldisplay.
X To deactivate: press and hold the ^but-
ton.
OFF is shown on th eremot econtro ldisplay.
Checking th estatus of theauxiliary heat-
ing or auxiliary ventilation
X Briefl ypress the ubutton. The followin
gmessages may appear on the dis-
play: Display Meaning
The auxiliary heating or
auxiliary ventilation is
deactivated.
The auxiliary ventilation is
activated. The number on
the display shows the
remaining time (in
minutes) for the auxiliary
ventilation.
The auxiliary heating is
activated. The number on
the display shows the
remaining time (in
minutes) for the auxiliary
heating.
Ad
epart uret ime ha sbeen
activated .The departure
time appear sonthe dis-
play. Ad
epart uret ime ha sbeen
activated .The auxiliary
ventilatio nisc urrently
activated .The numbe ron
the display shows the
remaining time (in
minutes) for the auxiliary
ventilation. If the vehicl eis
not started afte rthist ime,
the running time is
increased by fiv eminutes. Ad
epart uret ime ha sbeen
activated .The auxiliary
heating is currentl yactiva-
ted .The numbe ronthe
display shows the remain-
ing time (i nminutes) for
the auxiliary heating .Ifthe
vehicl eisnot started after
thi stime ,the running time
is increased by five
minutes. If the engine has not yet reached oper
ating tem-
perature when it is started, the auxiliary heating running time is increased .The auxiliary heating
continues to run until the operating temperature
is reached .Ifthis is the case, the ysymbol Operating the climate control system
91Climate control Z

appear
sontheremot econtrol display and the
runnin gtimeisz erom inutes.
Settin gthe departure time
Mak esure that th etimes et in th evehicle is
correc tbefore settin gthe departur etime.O th-
erwise, th eauxiliary heating may activat eatthe
wron gtimea nd at an unsuitable location. When
settin gthe departur etime, also observ ethe
important safety note s(Ypage 89).
X Briefly pres sthe u button.
X Pres sthe , or. button repeatedly
until th etimetobec hanged appear sonthe
display.
X Pres sthe u and^ button satthesame
time.
The Îsymbo lontheremot econtrol display
flashes.
X Pres sthe , or. button to set the
desired departur etime.
i The longer you pres
sthe , or. but-
ton, th efaster th etimec hanges.
X Pres sthe u and^ button satthesame
time.
The new departur etimeiss tored.
Activating th eset departure time
X Briefly pres sthe u button.
X Pres sthe , or. button repeatedly
until th edesired departur etimea ppear son
th ed isplay.
X Pres sthe u button.
The Ísymbol, th edepartur etimea nd,
dependin gontheselecte ddepartur etime,
th el etter A, BorCappear sonthedisplay.
Deactivatin gthe set departure time
X Briefly pres sthe u button.
The status of th eauxiliary heating is show non
th ed isplay.
X Pres sthe . button.
The first departur etim es toreda ppear sonthe
display.
X Pres sthe ^ button.
OFF is show nontheremot econtrol display. Replacing th
ebatterie sinthe remote
control Importan
tsafety notes G
WARNING
Batterie scontain toxic and corrosive substan-
ces. If batterie sare swallowed,itc an result in
severe health problems. There is arisk of fatal
injury.
Keep batterie sout of the reach of children. If
ab attery is swallowed,s eek medical attention
immediately. H
Environmental note Batteries contain pollutants.
It is illegal to dispose of them
with the household rubbish.
They must be collected sep-
arately and disposed of in anenvironmentall yresponsible
recycling system. Dispose of batteries in an
environmentall
yresponsible
manner. Take discharged
batteries to aquali fied spe-
cialist workshop or to acol-
lectio npoint for used batter-
ies.
Replacin gthe battery AC
R2450 lithium battery is required when
replacing the battery.
X Press apointe dobject into recess ;.
X Slide battery cover :backwards in the direc-
tio noft he arrow. 92
Operatin
gthe climat econtrol systemClimat econt rol