2016 MERCEDES-BENZ G-CLASS SUV engine

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

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

Running-i
nnotes Importan
tsafety notes
In certain driving and driving safet ysystems ,the
sensor sadjust automatically while acertai ndis-
tance is bein gdriven after th evehicl ehas been
delivere dorafter repairs .Full system effective-
ness is no treached until th eend of this teach-in
process.
Brake pads/lining sand disc stha teither are new
or have been replace dachiev eoptimum braking
effec tonlya fter several hundre dkilometres of
driving .Compensat efor th ereduce dbraking
effec tbya pplyin ggreate rforce to th ebrake
pedal. Th
ef irs t1 500km
The mor eyou trea tthe engine with sufficient
car eatt he start, the mor esatisfie dyou will be
with the engine performance later on.
R Driv eatv aryingvehicl espeeds and engine
speeds for the first 1500 km
R Avoi doverstraining the vehicl eduringt his
period, e.g .drivin gatf ullt hrottle
R When shifting gear smanually, shift up in good
time ,befor et he rev counter needl ereaches
Ô of the wa ytothe red area of the rev counter
display
R Do not shift down agearm anuall yino rder to
brake
R Try to avoi ddepressing the accelerator pedal
beyond the pressure point (kickdown)
After 1500 km ,you maygradually bring the
vehicl euptof ullr oa da nd engine speeds.
Yo us houl dalsoo bserve these note sonrunning-
in if the engine or parts of the drive train on your vehicl ehaveb eenr eplaced.
Alway sobserve the maximum permissible
speed. Driving
Importan
tsafety notes G
WARNING
Objectsint he driver's footwel lcan impede
peda ltravel or block apeda lwhich is depressed. This jeopardises safe operatio
nof
the vehicle. There is arisk of an accident.
Stow all objects in the vehicle safely, so that
they cannot reach the driver' sfootwell. Make
sure the floormat sand carpet sare properly
secured so that they cannot slip and obstruct the pedals. Do not lay several floormat sor
carpet sontop of one another. G
WARNING
Unsuitable footwear can hinder correct usage of the pedals, e.g.:
R shoe swith thick soles
R shoes with high heels
R slippers
There is arisk of an accident.
Wears uitable footwea rtoensure correct
usage of the pedals. G
WARNING
If you switch off the ignitio nwhile driving,
safety-relevant functions are only available
with limitations, or not at all.T his couldaffect,
for example, the power steering and the brake
boosting effect. You willr equire considerably
more effort to steer and brake. There is arisk
of an accident.
Do not switch off the ignitio nwhile driving. G
WARNING
If the parking brake has not been fully
released when driving, the parking brake can:
R overheat and caus eafire
R lose its hold function.
There is arisk of fire and an accident. Release
the parking brake full ybefore driving off.
! Warm up the engine quickly. Do not use the
engine's full performance until it has reached operating temperature.
Only set the automatic transmission to the
respective drive positions when the vehicl eis
stationary.
Where possible,a voids pinning the drive
wheels when pulling awayons lippery roads.
Otherwise, you coul ddamage the drive train. Driving
95Drivingand parking Z

!
Avoid high engine speeds when the engine
is cold. The engine's service life could other-
wise be significantly shortened. Do not use
the engine's full performance until it has
reached operating temperature. Key positions
g
To remove the key
1 Power supply for some consumers, such as
the windscreen wipers
2 Ignition (power supply for all consumers)
and drive position
3 Starting the vehicle
You can only remove the key if: R the key is in position gin the ignition lock
R the automatic transmission selector lever is
in j Starting the vehicle
Important safety notes G
WARNING
If children are left unsupervised in the vehicle, they can:
R open doors and endanger other persons or
road users
R climb out and be injured by the traffic
R operate vehicle equipment and, for exam-
ple, trap themselves. Children could als
oset th evehicle in motion,
for example by:
R releasin gthe parking brake
R shiftin gthe automatic transmission out of
park position P
R starting th eengine.
Ther eisar iskofana ccidentand injury.
When leaving th evehicle ,always tak ethe key
wit hyou and loc kthe vehicle .Never leave
children unattende dinthevehicle .Always
keep th ekeyout of reac hofchildren. G
WARNING
Combustion engine semit poisonous exhaust
gase ssuch as carbon monoxide .Inhaling
these exhaust gase sleads to poisoning. There
is ar isk of fatal injury .Therefore never leave
the engine running in enclose dspace swith-
out sufficient ventilation. G
WARNING
Flammable materials introduced through
environmental influence or by animals can
ignite if in contact with the exhaust system or parts of the engine that heat up. There is arisk
of fire.
Carry out regular checks to make sure that
there are no flammable foreig nmaterials in
the engine compartment or in the exhaust
system.
! Do not depress the accelerator when start-
ing the engine.
Starting procedure X
Shift the automatic transmissio ntoposition
j.
i You can also star
tthe engine when the auto-
mati ctransmissio nisinpositioni.
X Make sure that the parking brake is applied.
X Turn the key to position 2(Ypage 96) in the
ignition lock.
The % preglow indicator lamp on the
instrument cluster lights up.
X Whe nthe % preglow indicator lamp goes
out, turn the key to position 3(Ypage 96) 96
DrivingDrivin
gand park ing

and release it as soon as th
eengine is run-
ning.
You can start th eengine without preglow if the
engine is warm.
You can also use th etouch-start function .Todo
this, tur nthe keytop osition 3(Ypage 96) and
release it immediately. The engine then starts
automatically. Pulling away
General notes G
WARNING
If th eengine spee disabove the idling speed
and you engag etransmission position Dor R,
the vehicl ecouldp ulla wa ysuddenly .There is
ar isk of an accident.
When engaging transmission position Dor R,
alwaysf irmly depress the brake peda land do
not simultaneously accelerate.
! If
aw arning tone sound sand the Release Release
park. brake
park. brake message appears in the multi-
functio ndisplay, the parking brake is still
applied. Release the parking brake.
Depress the accelerator carefully when pulling
away.
You can open the doors from the inside at any
time.
You can also deactivate the automatic locking
feature (Y page 139).
It is possible to shift the transmission from posi-
tion jto the desired position only if you
depress the brake pedal.O nly then is the selec-
tor lever lock released.
i Upshifts take place at higher engine speeds
after acold start. This helps the catalytic con-
verter to reach its operating temperature
more quickly.
Pulling away with atrailer To ensure that you do not roll backwards when
pulling away on an uphill slope, apply the park-
ing brake. X
Depress the brake pedal and keep it
depressed.
X Shift the automatic transmission to position
h ork.
i Alwaysw
aitu ntilthe shifting proces sis
complete befor edrivin goff.
X Releas ethe parkin gbrake (Y page 114).
X Releas ethe brake pedal.
X Carefully depress the accelerator pedal. EC
Os tart/st op function
Important safety notes G
WARNING
If th eengine is switched off automatically and
you exit the vehicle, the engine is restarted
automatically.T he vehiclemay begi nmoving.
There is arisk of accident and injury.
If you wishtoe xit the vehicle, alwayst urn off
the ignitio nand secure the vehicl eagainst
rolling away.
General notes The ECO start/stop function switches the
engin
eoff automatically if the vehicle stops
moving.
When the vehicle pulls away again, the engine
start sautomatically. The ECO start/stopf unc-
tion thereby helps you to reduce the fuel con-
sumption and emissions of your vehicle.
The ECO start/stopf unction is activated each
time the engine is switched on.
The ECO start/stopf unction is only available in
drive program E.
The system is operational if all conditions for
automatic engine switch-off have been fulfilled
(Y page 98) and the èECO symbol is
shown in green in the multifunction display.
If the conditions for automatic engine switch-off
(Y page 98) are not all fulfilled, the èECO
symbol is shown in yellow in the multifunction
display.
If the ECO start/stopf unction has been man-
ually deactivated (Y page 98) oramalfunction
has caused the system to be deactivated, the
è ECO symbol is not displayed. Driving
97Driving and parking Z

Deactivating/activating th
eECO start/
stop function X
To deactivate: in drive program E,press but-
ton :.
or
X Switch to drive program Sor M(Y page 104).
Indicato rlamp ;on button :and the è
ECO symbo linthe multifunctio ndisplay go
out.
X To activate: press button :.
Indicato rlamp ;lights up .Ifdrive program S
or Mis active, the automatic transmission
switches to drive program E.
If al lconditions for automatic engine switch-
off (Y page 98) are fulfilled, the èECO
symbo lisshown in green in the multifunction
display.
If the conditions for automatic engine switch-
off (Y page 98 )are not al lfulfilled, the è
ECO symbo lisshown in yellow .Ifthisist he
case, the ECO start/sto pfunctio nisn ot avail-
able.
i If indicator lamp
;is off, the ECO start/
stop functio nhasbeen deactivate dmanually
or as the resul tofamalfunction. The engine
will then not be switched off automatically
when the vehicl estops.
i The stop/start functio
nisa utomatically
activate deacht ime yo ustart the engine with
the ignition key.
Automati cengin eswitch-off If the vehicle is braked to
astandstill with the
transmission in hori,t he ECO start/stop
function switches off the engine automatically. The ECO start/stop function is operational and
the
è ECO symbol is shown in green in the
multifunction display, if:
R the indicator lamp in the èECO button is
lit green
R the transfer case is in the HIGH RANGEon-
road position
R the vehicle is stationary
R the outside temperature and atmospheric air
pressure are within the range that is suitable
for the system
R the engine is at normal operating temperature
R the set temperature for the vehicle interior
has been reached
R the battery is sufficiently charged
R the system does not detect moisture on the
windscreen when the air-conditioning system
is switched on
R the bonnet is closed
R the driver's door is closed and the driver's
seat belt is fastened
If the conditions for automatic engine switch-off are not all fulfilled, the èECO symbol is
shown in yellow.
i If you shift the transmission from
Rto D,t he
ECO start/stopf unction is availabl eagain
once the èECO symbol reappears in
green in the multifunction display.
i The number of consecutive automatic
engine stops is unlimited.
i You can also activate the HOLD function
when the vehicle is stationary if the engine
has been switched off automatically. It is then
not necessary to continue applying the
brakes during the automatic stop phase.
When you depress the accelerator pedal, the
engine start sautomatically and the braking
effect of the HOLD function is deactivated.
Depress the accelerator pedal gently, as the
engine must be started first.
i During automatic engine switch-off, the cli-
mate control system only operates at a
reduced capacity. If you require full climate
control capacity, the ECO start/stopf unction
can be deactivated by pressing the ECO but-
ton (Y page 98). 98
DrivingDriving and parking

Problems with the engine
Problem
Possible causes/consequences and
M
MSolutions The engine does not
start. The starter motor
can be heard. R
The engine electronics are malfunctioning.
R The fuel supply is malfunctioning.
X Turn the key back to position gin the ignition lock before attempt-
ing to start the engine again.
X Restart the engine (Y page 96). Avoid excessively long and frequent
attemptstos tart the engine, as this (Y page 96) will drain the bat-
tery.
If the engine does not start after several attempts:
X Consult aqualified specialist workshop. The engine does not
start
.The starter motor
can be heard. The yellow reserve fuel warning
lamp is lit and the needle
of the fuel gauge shows
0. The fuel tank is empty.
X Refuel the vehicle.
X Bleed the fuel system (Y page 110).The engine does not
start
.You cannot hear
the starter motor. The on-board voltage is too low because the battery is too weak or
discharged.
X Jump-start the vehicle (Y page 227).
If the engine does not start despite attempt stojump-start it:
X Consult aqualified specialist workshop. The starter motor was exposed to excessively high thermal load.
X Allow the starter motor to cool down for approximately two minutes.
X Try to start the engine again.
If the engine still does not start:
X Consult aqualified specialist workshop. The coolant temperature
display is showing more
than 120 †. Adisplay
message may also
appear in the multifunc-
tion display and awarn-
ing tonem ay sound. The coolant level is too low. The coolant is too hot and the engine is not
being cooled sufficiently.
X Stop as soon as possible and allow the engine and the coolant to
cool down.
X Check the coolant level (Y page 215). Observe the warning notes
as you do so and top up the coolant if necessary. If the coolan
tlevel is correct, the radiator fan may be faulty. The cool-
ant is too hot and the engine is not being cooled sufficiently.
X If the coolant temperature is below1 20 †, you can continue driving
to the nearest qualifieds pecialist workshop.
X Avoid heavy loadsont he engine as you do so, e.g. driving in moun-
tainous terrain and stop-start traffic. 100
DrivingDriving and parking