auxiliary battery MERCEDES-BENZ G-CLASS SUV 2016 Owners Manual

Neutral (ECO start/stop func-
tion) ............................................... 102
Overview ........................................ 101
Problem( fault) ............................... 108
Program selector button ................ 104
Pulling away. .................................... 97
Selector lever ................................ 101
Shift ranges ................................... 105
Steering whee lgearshift paddle s... 104
Trailer towing ................................. 104
Transmission position display ........ 101
Automatic transmission emer-
genc yrunnin gmode ......................... 108
Auxiliary heating
Activating/deactivating ................... 90
Activating/deactivating (o nthe
centre console )................................ 90
Displa ymessage ............................ 154
Important safety notes .................... 89
Malfunction ...................................... 93
Problem (displa ymessage) .............. 93
Remote control ................................ 90
Setting ........................................... 139
Auxiliary heating/ventilation
Setting the departur etime ............... 92
Auxiliary ventilation
Activating/deactivating ................... 90
Activating/deactivating (o nthe
centre console )................................ 90
Problem (displa ymessage) .............. 93
Remote control ................................ 90
Axle load, permissibl e(traile rtow-
ing) ...................................................... 256 B
Backres t(display message) ............. 154
BAS (Brake Assist System) ................. 53
Battery
Changing (auxiliary heating
remote control) ................................ 92
Battery (key)
Checking .......................................... 59
Important safety notes .................... 59
Replacing ......................................... 59
Battery (vehicle)
Charging ........................................ 226
Displa ymessage ............................ 147 Importan
tsafety notes .................. 224
Jump starting .................................2 27
Overview ........................................ 224
Belt tensioner
Activatio n......................................... 37
Belt warning ......................................... 36
BlueTEC
see AdBlue ®
BlueTE C(AdBlue ®
) ............................ .251
Bluetooth ®
Activating audio mode ................... 178
Activating/deactivating ................. 174
Connecting automatically .............. 175
Connecting devices ....................... 175
Connectio nrequirements .............. 174
Pairing code ................................... 175
Pairing devices ............................... 174
Unpairing adevice ......................... 175
Bonnet
Closing .......................................... .212
Display message ............................ 153
Important safety notes .................. 211
Opening ......................................... 211
Brake
EBD ................................................. .55
Brake fluid
Displa ymessage ............................ 144
Note s............................................. 253
Brake forc edistribution
see EBD (electroni cbrake force
distribution)
Brake lamp
Replacing bulb s............................... 80
Brake lamps
Adaptive ........................................... 53
Displa ymessage ............................ 145
Brakes
ABS .................................................. 52
BAS .................................................. 53
Brake fluid (notes) ......................... 253
Displa ymessage ............................ 142
Driving tip s.................................... 115
HOLD function ............................... 122
Important safety notes .................. 115
Parking brake ................................ 114
Warning lamp ................................. 157 Index
5

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

X
Insert new battery =with the lettering facing
upwards. X
Slide battery cover :onto the remote con-
trol in the opposite direction to the arrow until it engages.
X Use the remote control to check the vehicle's
auxiliary heating functions.
Problems with the auxiliary heating/ventilation Problem
Possible causes/con
sequences andM
MSolutions FAIL
¨ The signal transmission between the transmitter and the vehicle is
faulty.
X
Change your position in relation to the vehicle, moving closer if
necessary. FAIL The auxiliary heating or auxiliary ventilation cannot be switched on or
has switched itself off.
The starter battery is not sufficiently charged.
X Charge the starter battery. The fuel level has dropped into the reserve range.
X Refuel at the nearest filling station. The auxiliary heating or auxiliary ventilation is faulty.
X Have the auxiliary heating or auxiliary ventilation checked at a
qualified specialist workshop. The auxiliary heating or auxiliary ventilation was started more than
twice when the engine was switched off.
X Switch on the engine and let it run for more than 10 seconds. The battery symbol on
the left of the remote
control display is shown
as empty. The remote control battery is discharged.
X Replace the remote control battery (Y page 92).Air ven
ts Important safety notes
G
WARNING
Very ho torvery cold air can flow from the air
vents. This coul dresult in burns or frostbite in
the immediate vicinity of the air vents. There
is ar isk of injury.
Make sure that all vehicl eoccupants always
maintai nasufficient distance to the air out-
lets. If necessary, redirect the airflow to
another area of the vehicl einterior. In order to ensure the direct flow of fresh air
through the air vents into the vehicle interior,
please observe the following notes:
R keep the air inlet betwee nthe windscree nand
the bonnet free of blockages, such as ice,
snow or leaves
R never cover the vents or ventilation grilles in
the vehicle interior
i For virtually draught-free ventilation, adjust
the sliders of the air vents to the centre posi- tion.
i If the automatic climate control regularly
deviates from the selected temperature or is Airv
ents
93Climatecont rol Z

When the auxiliary heating is switched on,
make sure that:
R no flammable materials come into contact
with hot vehicle components
R the exhaust gas can escape from the
exhaust pipe unhindered
R the exhaust gas does not come into contact
with flammable materials.
! Operatin
gthe auxiliary heating/ventilation
draws on the vehicle battery. After you have
heated or ventilated the vehicle amaximum of
two times, drive for alonger distance.
Only vehicles with auxiliary heating have this
function (Y page 89).
In the Heating Heating submenu, you can select a
stored departure time or change adeparture
time.
The auxiliary heating timer function calculates
the switch-on time accordin gtothe outside
temperature so that the vehicle is preheated by the departure time. When the departure time isreached, the auxiliary heating continues to heat for afurther five minutes and then switches off.
The auxiliary heating selects the temperature
setting of the THERMATIC automatic climate
control.
You can switch the auxiliary heating on or off by
using the &auxiliary heating button on the
centre console or the remot econtrol.
Selecting the departure time or deactivat- ing aselected departure time
X Press the =or; button on the steering
wheel to select the Settings Settingsmenu.
X Press the :or9 button to select the
Heating
Heating submenu.
X Press ato confirm.
You will see the selected setting.
X Press ato confirm.
X Press the :or9 button to select one
of the three departur etimes or Timer
Timeroff
off(no
timer active).
X Press ato confirm.
If ad eparture time is selected, the yellow
indicator lamp lights up on the &auxiliary
heating button. Changing the departure time
X
Press the =or; buttonont hesteering
wheel to selec tthe Settings Settings menu.
X Pres sthe : or9 button to selec tthe
Heating
Heating submenu.
X Press ato confirm.
Yo uw ill see the selected setting.
X Press ato confirm.
X Press the :or9 button to select
Change A Change A, Change B
Change BorChange C
Change C.
X Press ato confirm.
You can now change the departure time.
X Press the =or; button to select the
displaytobec hanged: hours, minutes.
X Press the :or9 button to set the
selected display.
X Press ato store the entry.
The yellow indicator lamp on the &auxili-
ary heating button lights up.
Comfort Activating/deactivating the EASY-
ENTRY/EXIT feature
G
WARNING
When the EASY-ENTRY/EXI Tfeature adjusts
the steering wheel, you and other vehicle
occupants –particularl ychildren –could
become trapped. There is arisk of injury.
Whil ethe EASY-ENTRY/EXIT feature is mak-
ing adjustments, make sure that no one has
any body parts in the swee pofthe steering
wheel.
If someone is trapped:
R press one of the memory function position
buttons, or
R move the switch for steering whee ladjust-
ment in the opposite direction to that in
which the steering whee lismoving.
The adjustment process is stopped.
X Press the =or; button on the steering
whee ltoselect the Settings Settings menu.
X Press the :or9 button to select the
Convenience
Convenience submenu.
X Press ato confirm. 140
Menu
sand submenusOn-boar dcomputer and displays

Display messages
Possible causes/consequence
sand M
MSolutions The poly-V-belt may have torn.
X Stop the vehicle immediately, paying attention to road and traffic
conditions, and switch off the engine.
X Check the poly-V-belt.
If the poly-V-belt is torn:
! Do not continue driving. The engine could otherwise overheat.
X Consult aqualified specialist workshop.
If the poly-V-belt is OK:
X Wait until the display message disappears before restarting the
engine. The engine may otherwise be damaged.
X Pay attention to the coolant temperature gauge.
X Consult aqualified specialist workshop. # The battery is no longer being charged.
Aw
arning tonea lso sounds.
Possible causes:
R faulty alternator
R torn poly-V-belt
R am alfunction in the electronics
X Stop the vehicle immediately, paying attention to road and traffic
conditions, and switch off the engine.
X Open the bonnet.
X Check whether the poly-V-belt is torn.
If the poly-V-belt is torn:
! Do not continue driving. The engine could otherwise overheat.
X Consult aqualified specialist workshop.
If the poly-V-belt is OK: X Consult aqualified specialist workshop. 4
Check Check
eng.
eng.oil
oillev.
lev.
when
when next
nextrefuelling
refuelling The engine oil level has dropped to the minimum level.
Aw
arning tonea lso sounds.
X Check the oil level when next refuelling, at the latest (Y page 213).
X If necessary, top up the engine oil (Y page 213).
X Have the engine checked at aqualified specialist workshop if the
engine oil needs topping up more often than usual. 8
Reserve fuel level Reserve fuel level The fuel level has dropped into the reserve range.
Operation of the auxiliary heating is deactivated if the fuel level drops
into the reserve range.
X Refuel at the nearest filling station. Display me
ssages
147On-board compute rand displays Z

Vehicle
Display messages
Possible causes/consequence
sand M
MSolutions To start the
To start the
engine, shift to engine, shift to
either
PorN
either PorN You have attempted to star
tthe engin ewith the transmission in posi-
tion Ror D.
X Shif tthe transmission to position Por N. Auxiliar
ybattery
Auxiliary battery
malfunction malfunction The auxiliary battery for the automatic transmission is no longer being
charged.
X Consult aqualified specialist workshop at the next opportunity.
X Until then,s et the automatic transmission to position Pbefore you
switch off the engine.
X Before leaving the vehicle, apply the parking brake. Apply
Apply
brake
braketo
todese‐
dese‐
lect Park (P) posi‐
lect Park (P) posi‐
tion tion You have attempted to move the transmission selector lever to posi-
tion
D,Ror Nwithout depressing the brake pedal.
X Depress the brake pedal. Apply brake to Apply brake to
select R select R You have attempted to shift from position
Dto position Rwithout
applyingt he brake.
X Depress the brak epedal.
X Shif tthe transmission to position R.A The rear door is open.
G WARNING
When the engine is running, exhaust gases can enter the vehicle inte- rior if the tailgat eisopen.
There is arisk of poisoning.
X Close the rear door. ? The bonnet is open.
Aw
arning tonea lso sounds.
G WARNING
The open bonnet may then block your view when the vehicle is in
motion.
There is arisk of an accident.
X Stop the vehicle safely as soon as possible, paying attention to road
and traffic conditions.
X Secure the vehicle against rolling away (Y page 113).
X Close the bonnet. C At least one door is open.
Aw
arning tone also sounds.
X Close al ldoo rs. Display messages
153On-board computer an ddisplays Z

Display messages
Possible causes/consequence
sand M
MSolutions ^
Rear Rear
left
leftseat
seatback‐
back‐
rest not
rest not
locked lockedorFront right Front right
seat backrest not
seat backrest not
locked locked G
WARNING
The driver's or front-passenger seat backrest is not engaged.
X Push the backrest back until it engages. D
Power steering mal‐ Power steering mal‐
function See Own‐ function See Own‐
er's Manual er's Manual The power steering assistance is faulty.
Aw
arning tonea lso sounds.
G WARNING
You will need to use more force to steer.
There is arisk of an accident.
X Check whether you are able to apply the extras teeringforce
required.
X If you are able to steer safely: carefully drive on toaqualified
specialist workshop.
X If you are unable to steer safely: do not drive on. Contact the
nearest qualified specialist workshop. &
inoperative inoperative
Battery
Battery
low
low You have attempted to switch on the auxiliary heating or to activate a
departure time using the on-board computer after operating the aux-
iliary heating twice.
X Let the engine run for ten seconds.
The auxiliary heating is operational again. The on-board voltage is too low. The auxiliary heating has switched
itself off or cannot be switched on (Y page 89).
X Drive for aconsiderable distance.
The battery charges. The auxiliary heating is operational again as
soon as the on-board electrical system voltage is sufficient. &
inoperative Refuel inoperative Refuel
vehicle vehicle There is too little fuel in the fuel tank.T
he auxiliary heating cannot be
switched on (Y page 89).
X Refuel at the nearest filling station. &
inoperative inoperative
See
SeeOwn‐
Own‐
er's Manual
er's Manual The auxiliary heating is temporarily malfunctioning or faulty.
X When the vehicle is on alevel surface and the engine has cooled
down, make up to four attempt stoswitch on the auxiliary heating,
waiting several minutes between each attempt (Y page 89).
X If the auxiliary heating does not switch on, consult aqualified spe-
cialist workshop. ¥
Top up washer fluid Top up washer fluid The washer fluid level in the washer fluid reservoir has dropped below
the minimum.
X Top up the washer fluid (Y page 215).154
Display messagesOn-board computer and displays