2018 MERCEDES-BENZ G-CLASS SUV fuel

The automatic transmission shifts up
tothe next
ge ar when the maximum engine speed is
re ached toprotect the engine from overrev ving. Glide mode function
Mercedes-AMG
vehicles: observeth e no tes in
th e Supplement. Otherwise, you may failto rec‐
ognise dangers.
Wi th an anticipatory driving style, Glide mode
helps youto reduce fuel consum ption.
Glide mode is characterised bythefo llowing:
R the combustion engine is disconnected from
th e driv etra in and the engine continues to
ru n in neutral.
R the transmission position his displa yed in
green in the multifunction displa y.Glide mode is activated if
thefo llowing condi‐
tions are me t:
R drive program ;is selected.
R the speed is within a suitable range.
R thero ad's course is suitable, e.g. no steep
uphill or downhill inclines or tight bends.
R there is no trailer coupled tothe trailer hitch,
and no bicycle rack fitted.
R you are no lon ger depressing the accelera tor
or brake pedal.
% Glide mode can also be activated if you ha ve
selected the "Eco" setting forth e drive in the
drive prog ram =.
Glide mode is deactivated again if one of the
conditions is no longer met. Glide mode can also be pr
evented bythefo llow‐
ing parame ters:
R incline
R downhill gradient
R temp erature
R height
R speed
R operating status of the engine
R traffic situation
% Glide mode can be ended bypressing the
ri ght-hand steering wheel gearshift paddle
(/ page 155). Problems with
the transmission Problem
Possible causes/consequences and M MSolutions
The transmission has a faulty gear
shift. The transmission is losing oil. Driving and parking
157

fe
re ntial lo cks are active, the function indicator
lamps 4light up.
The message Differential lock active ABS and
ESP not available andthewa rning and indicator
lamps å÷!on the instrument clus‐
te r appear.
% If one or more requ irements ha venot been
ful filled, the message Switch-on conditions
Differential lock not fulfilled appears.
The gear change must be restar ted.
Disengaging the dif fere ntial loc ks #
Press the buttons in thefo llowing order 3,
2, 1.
or #
Tosimultaneously disengage all dif fere ntial
lo ck s: press button 1.
or #
Todisengage the dif fere ntial lo cksfo rthe
re ar and front axles: press button 2.
The dif fere ntial lo cks are only disengaged when
th e function indicator lamps are gone out again
4. If
yo u park theve hicle with the dif fere ntial lo cks
engaged, they will be deactivated automatically
when theve hicle is star ted again. In some cases,
yo u ha vetodrive a few metres before the dif fer‐
ential loc ksare proper ly disengaged. Therefore,
ch eck if the function indicator lamps ha vegone
out when youre start theve hicle 4.
Obser veany information which may be displa yed
in the instrument clus ter:
R Warning and indicator lamps
R Display messages Fu
nction of the 4MATIC
4MATIC ensures that all four wheels are driven
when needed. Toge ther with ESP ®
and 4ETS,
4MATIC impr ovesth e traction of your vehicle
whene ver a driven wheel spins due toinsuf fi‐
cient traction.
If yo ufa ilto adapt your driving style, 4MATIC can
neither reduce therisk of an accident nor over‐
ri de the la wsof ph ysics. 4MATIC cannot take
account of road, weather and traf fic conditions.
4MATIC is only an aid. You are responsible espe‐ cially
for maintaining a safe dis tance from the
ve hicle in front, forve hicle speed, for braking in
good time and forst ay ing in lane.
% In wint ryroad conditions, the maximum
ef fect of 4MATIC can be achie ved only if you
use winter tyres (M+S tyres), with sn ow
ch ains if necessar y. Re
fuelling Re
fuelling theve hicle &
WARNING Risk offire or explosion from
fuel
Fu els are highly flammable. #
Fire, naked flames, smoking and crea‐
tion of spar ksmust be avoided. #
Swit choff the ignition and, if available,
th est ationary heater, before and while
re fuelling theve hicle. 16 2
Driving and pa rking

&
WARNING Risk of inju ryfrom fuels
Fu els are poisonous and hazardous to your
health. #
Do not swallow fuel or let it come into
contact with skin, eyes or clo thing. #
Do not inhale fuel vapour. #
Keep children away from fuel. #
Keep doors and windo wsclosed du ring
th ere fuelling process.
If yo u or other people come into contact with
fuel, obser vethefo llowing: #
Immediately rinse fuel off your skin with
soap and water. #
If fuel comes into contact with your
ey es, immediately rinse them thor‐
oughly with clean water.Seek medical
attention immediately. #
Ifyo u swallow fuel, seek medical atten‐
tion immediatel y.Do not induce vomit‐
ing. #
Change immediately out of clo thing that
has come into con tact wi thfuel. &
WARNING Risk offire or explosion from
elect rostatic charge
Electros tatic charge can crea tespar ksand
th ereby ignite fuel vapours. #
Before you open the fuel filler cap or
ta ke hold of the pump nozzle, touch the
me tallic vehicle body.
This dischar ges any electros tatic charge
th at may ha vebuilt up. #
Do not get into theve hicle again during
th ere fuelling process.
Otherwise, electros tatic charge could
build up again. &
WARNING Risk offire from fuel mixture
Ve hicles with a diesel engine:
If yo u mix diesel fuel with petrol, theflash
point of the fuel mixture is lo werth an that of
pure diesel fuel. While
the engine is running, component
pa rts in theex haust sy stem may overheat
without warning. #
Neverre fuel using petrol. #
Never mix petrol with diesel fuel. *
NO
TEDama gecaused bythe wrong fuel Ve
hicles with a petrol engine:
Even small amounts of the wrong fuel could
re sult in damage tothe fuel sy stem, the
engine and the emission control sy stem. #
Only refuel using unleaded, sulphu r-free
fuel that con form sto European EN 228,
or an equi valent specification. #
The RONrequ irement is located in the
fuel filler flap.
Fu el of this specification may con tain up to
10 %ethanol. Your vehicle is suitable for use
with E10 fuel. Driving and parking
16 3

Ne
verre fuel using any of thefo llowing fuels:
R diesel
R regular petrol with an octane number
lo we rth an 91 RON
R petrol with more than 10%ethanol byvol‐
ume, e.g. E15, E30, E85, E100
R petrol with more than 3% me thanol by
vo lume, e.g. M15, M30
R petrol with additives con taining me tal
If yo u acciden tally refuel with the wrong fuel: #
Do not switch the ignition on. #
Consult a qualified specialist workshop. *
NO
TEDama gecaused bythe wrong fuel Ve
hicles with a diesel engine:
Even small amounts of the wrong fuel could
re sult in damage tothe fuel sy stem, the
engine and the emission control sy stem. #
Only refuel using sulphu r-free diesel
fuel that con form sto European stand‐ ard EN 590, or an equivalent specifica‐
tion.
In countries without sulphur-f ree diesel
fuel, refuel using only lo w-sulphur diesel
fuel with a sulphur content less than
50 ppm. #
Vehicles without diesel particulate
fi lter: refuel using only diesel fuel with
a sulphur content less than 500 ppm.
Ne verre fuel using any of thefo llowing fuels:
R petrol
R marine diesel
R heating oil
R pure bio-diesel fuel or vege table oil
R paraf fin or kerosene
If yo u accidentally refuel with the wrong fuel: #
Do not switch the ignition on. #
Consult a qualified specialist workshop. *
NO
TEDo not use diesel torefuel vehi‐
cles with a petrol engine. If
yo u acciden tally refuel with the wrong fuel:
R Do not switch the ignition on. Otherwise
fuel can enter the engine.
Even small amounts of the wrong fuel
could result in damage tothe fuel sy stem
and the engine. The repair costs are high. #
Consult a qualified specialist workshop. #
Have the fuel tank and fuel lines
drained compl etely. *
NO
TEDo not use petrol torefuel vehi‐
cles with a diesel engine. If
yo u acciden tally refuel with the wrong fuel:
R Do not switch the ignition on. Otherwise,
fuel can enter the fuel sy stem.
Even small amounts of the wrong fuel
could result in damage tothe fuel sy stem
and the engine. The repair costs are high. 16 4
Driving and pa rking

#
Consult a qualified specialist workshop. #
Have the fuel tank and fuel lines
drained compl etely. *
NO
TEFuel may spr ayout when you
re mo vethe fuel pump nozzle. #
Only fill th e fuel tank until the pump
nozzle switches off. Re
quirements:
R The vehicle is unloc ked.
% Do not get into theve hicle again during the
re fuelling process. Otherwise, electros tatic
ch arge could build up again.
Obser vethe no tes on operating fluids
(/ page 429). 1
Fuelfiller flap
2 Fuelfiller cap
3 Fuel type
4 Tyre pressure table
5 QR code forre scue card #
Press on the back area of fuel filler flap 1. #
Turn the fuel filler cap anti-clockwise and
re mo veit. #
Comple tely inse rtthe pump nozzle into the
ta nk filler nec k,hook in place and refuel. #
Only fill th e fuel tank until the pump nozzle
switches off.
% Vehicles with a diesel engine: theta nk
fi ller neck is designed forre fuelling at diesel
fi lling pumps.
% Vehicles with a diesel engine: whenthe
fuel tank is compl etely em pty, top up with at
least 5 litres of diesel.
% Vehicles with a diesel engine: use afiller
neck with a lar gediame terfo rve hicles with
a diesel engine when topping up fuel from a
fuel can. Otherwise, thefiller neck cannot
slide into theta nk. #
Replace the cap on thefiller neck and turn
clockwise until it engages audibl y. #
Close the fuel filler flap. Driving and parking
16 5

Ad
Blue ®
(vehicles with a diesel engine on ly)Note
s onrefilling AdBlue ®
* NOTEWhen you open theAd Blue ®
tank,
small amounts of ammonia vapour may
escape. #
Only fill th eAd Blue ®
tank in well-venti‐
lated areas. #
Do not let AdBlue ®
come into contact
wi th skin, eyes or clo thes. #
Keep AdBlue ®
aw ay from children. *
NOTEDo not ingest AdBlue ®
. If
Ad Blue ®
is swallo wed: #
Immediately rinse out your mouth thor‐
oughl y. #
Drink plenty of water. #
Seek medical attention immediately. Obser
vethe no tes on operating fluids
(/ page 429). Ad
Blue ®
is a water-soluble fluid forth e NOx
ex haust gas af tertre atment of diesel engines. In
order forth eex haust gas af tertre atment tofunc‐
tion properly, only use AdBlue ®
in accordance
wi th ISO 222 41 .
Ad Blue ®
is ch aracterised bythefo llowing:
R non-t oxic
R colourless and odourless
R non-flammable
Ad Blue ®
is available here:
R AdBlue ®
may be topped up byfast service at
a qu alified specialist workshop, e.g. a
Mercedes-Benz Service Centre.
R AdBlue ®
is available at many filling stations
from AdBlue ®
filling pumps.
R Alternativel y,Ad Blue ®
is available at qualified
specialist workshops, e.g. Mercedes-Benz
Service Centres, and at many filling stations
in Ad Blue ®
re fill canis ters or AdBlue ®
re fill
bottles. %
Ensure the connection between there fill
con tainer and vehicle filler neck does not
drip.
To pping up AdBlue ®
* NOTEEngine dama gedue toAd Blue ®
being in the fuel #
AdBlue ®
must not be used tofill the
fuel tank. #
Only use AdBlue ®
to fill th eAd Blue ®
ta nk. #
Do not overfill theAd Blue ®
tank. *
NO
TEContamination of theve hicle inte‐
ri or due toAd Blue ®
lea kage #
Afterto pping up, carefully close the
Ad Blue ®
re fill con tainer. #
Avoid car rying AdBlue ®
re fill con tainers
permanently in theve hicle. Re
quirements:
R The vehicle is unloc ked. 16 6
Driving and pa rking

The
following messages appear in order in the
multifunction display when theAd Blue ®
tank
re qu ires refilling:
R Refill AdBlue See Owner’s Manual .Yo u can
on lydrive theve hicle overth e dis tance
shown.
R Top up AdBlue Perf. reduced in XXX miles
See Owner's Manual. You can on ly drivethe
ve hicle overth e dis tance shown. The
Ad Blue ®
tank is down tothere ser veleve l.
R Top up AdBlue Perf. reduced: XXX km/h No
start in XXX km. You can on lydrive theve hi‐
cle overth e dis tance shown. Refill Ad Blue ®
as soon as possible.
R Refill AdBlue Eng. start not possible. The
vehicle can no longer be star ted.
Yo u can see theAd Blue ®
ra nge and le vel in the
multifunction display (/ page 230).
% The AdBlue ®
ra nge shown depends strongly
on the driving style and operating condi‐
tions. The actual range can therefore deviate
from the calculated range. Opening the
AdBlue ®
filler cap #
Press on the back area of fuel filler flap 1. #
Turn AdBlue ®
filler cap 2anti-clockwise and
re mo veit.
% You can also store theAd Blue ®
filler cap in
th e fuel filler cap holder in the fuel filler flap
hin gearm. Prepa
ring theAd Blue ®
re fill canis ter #
Screw onthefast ener of AdBlue ®
re fill canis‐
te r2. #
Screw disposable hose 1onto the opening
of Ad Blue ®
re fill canis ter2 until hand-tight. Driving and parking
167

To
pping up AdBlue ® #
Screw disposable hose 1onto thefiller
neck of theve hicle until hand-tight. #
Lift up and tip AdBlue ®
re fill canis ter2.
The filling process stops when theAd Blue ®
ta nk is compl etely full.
Ad Blue ®
re fill canis ter2 can be remo ved
when it has been only partially em ptied. #
Unscr ew and close disposable hose 1and
Ad Blue ®
re fill canis ter2 inreve rse order. #
Replace theAd Blue ®
fuel filler cap and turn it
clockwise. #
Close the fuel filler flap. #
Swit chon the ignition for at least 60 sec‐
onds.
% Ifth eve hicle could not be star ted as the
Ad Blue ®
tan kwa s em pty, it can take up to
60 seconds forth ere fill to be de tected. #
Start theve hicle.
% Avoid storing AdBlue ®
re fill con tainers per‐
manently in theve hicle. Pa
rking Pa
rking theve hicle &
WARNING Risk of accident and inju ry
caused byan insuf ficiently secu redve hi‐
cle rolling away.
If th eve hicle is not securely par ked suf fi‐
ciently, it can rollaw ay in an uncont rolled
wa yev en at a slight downhill gradient. #
Ensure that the par kedve hicle is alw ays
properly secured against rolling away as
fo llo ws: R
on uphill or downhill gradients, turn
th e front wheels so that theve hicle
ro lls towa rdsth eke rb if it starts
moving.
R apply the parking brake.
R switch the transmission toposition
j. &
WARNING Risk offire caused byhot
ex haust sy stem parts
Flammable material such as lea ves, grass or
twigs may ignite if they come into contact
wi th hot parts of theex haust sy stem or
ex haust gasflow. #
Park theve hicle so that no flammable
material can come into con tact wi thhot
ve hicle components. #
In particular, do not park on dry grass‐
land or har vested grain fields. 16 8
Driving and pa rking