2017 MERCEDES-BENZ G-Class fuel pressure

Protecting the environment
General notes
HEnvironmental note
Daimler's declared policy is one of compre-
hensive environmental protection.
The objectives are for the natural resources
that form the basis of our existence on this
planet to be used sparingly and in amanner
that takes the requirements of both nature
and humanity into account.
You too can help to protect the environment
by operating your vehicle in an environmen-
tally responsible manner.
Fuel consumption and the rate of engine,
transmission, brake and tire wear are affected by these factors:
Roperating conditionsofy our vehicle
Ryour personal driving style
You can influence both factors. You should
bear the following in mind:
Operating conditions:
Ravoid short trips as these increase fuel con-
sumption.
Ralways make sure that the tire pressures
are correct.
Rdo not carry any unnecessary weight.
Rremove roof racks once you no longer need
them.
Rar egularly serviced vehicle will contribute
to environmental protection. You should
therefore adhere to the service intervals.
Ralways have service work carried out at a
qualified specialist workshop.
Personal driving style:
Rdo not depress the accelerator pedal when
startin gthe engine.
Rdo not warm up the engine when the vehicle
is stationary.
Rdrive carefully and maintain asafe distance
from the vehicle in front.
Ravoid frequent, sudden acceleration and
braking.
Rchange gear in good time and use each gear
only up to Ôof its maximum engine speed.
Rswitch off the engine in stationary traffic.
Rkeep an eye on the vehicle's fuel consump-
tion.
Environmental concerns and recom-
mendations
Wherever the Operator's Manual requires you to
dispose of materials, first try to regenerate or re-
use them. Observe the relevant environmental
rules and regulations when disposing of materi-
als. In this way you will help to protect the envi-
ronment.
Genuine Mercedes-Benz parts
HEnvironmental note
Daimler AG also suppliesr econditioned major
assemblies and parts which are of the same
quality as new parts. They are covered by the
same Limited Warranty entitlements as new
parts.
!Air bags and Emergency Tensioning Devi-
ces, as well as control units and sensors for
these restraint systems, may be installed in
the following areas of your vehicle:
Rdoors
Rdoor pillars
Rdoor sills
Rseats
Rcockpit
Rinstrumentc luster
Rcenter console
Do not install accessories such as audio sys-
tems in these areas. Do not carry out repairs or welding. You could impair the operating
efficiency of the restraint systems.
Have aftermarket accessories installed at a
qualified specialist workshop.
You could jeopardize the operating safety of
your vehicle if you use parts, tires and wheels as
well as accessories relevant to safety which
have not been approved by Mercedes-Benz. This
could lead to malfunction sinsafety-relevant
Genuine Mercedes-Benz parts23
Introduction
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Refueling
Important safety notes
GWARNING
Fue lish ighly flammable. If yo uhandlef uel
incorrectly, there is ariskoff ire and explo-
sion.
Yo um usta void fire ,ope nf lames ,creating
sparks and smoking. Switch off the engine
and ,ifa pplicable, the auxiliary heating before
refueling.
GWARNING
Fue lisp oisonous and hazardoustoh ealth.
There is ariskofi njury.
Yo um ustm ake sure that fue ldoe sn ot come
into contact with your skin, eyes or clothing
and that it is not swallowed. Do not inhale fuel
vapors. Keepf uelawa yfrom children.
If yo uoro thers come into contact with fuel,
observe the following:
RWash away fue lfrom skin immediately
using soapa nd water.
RIf fuelcomesi nto contact with your eyes,
immediately rins ethem thoroughly with
clean water. Seek medica lassistance with-
outd elay.
RIf fuelisswallowed, seekm edicalassis-
tance withoutd elay.Don ot induce vomit-
ing.
RImmediately change outofc lothing which
hasc ome into contact with fuel.
GWARNING
Electrostatic buildu pcan create sparks and
ignite fue lvapors. There is ariskoff ire and
explosion.
Alway stouch the vehicl ebodyb efore opening
the fue lfille rflaport ouching the fue lpum p
nozzle .Any existing electrostati cbuildup is
thereby discharged.
Do not get into the vehicl eagain during the refu-
eling process .otherwise electrostati ccharge
could buil dupagain.
!Do not us ediese ltor efuel vehicles with a
gasoline engine. Do not switch on the ignition
if yo uaccidentall yrefuel with the wrong fuel.
Otherwise, the fue lwille nter the fue lsys tem.
Even small amounts of the wrong fue lcould
resul tind amagetot he fue lsystem and the
engine. Notify aquali fied specialist workshop
and have the fue ltank and fue llin es drained
completely.
!Overfilling the fue ltank could damag ethe
fue lsystem.
!Take care not to spill any fue lonpainted
surfaces. Yo ucould otherwise damag ethe
paintwork.
!Use afilter when adding fue lfrom afue lcan.
The fue llin es and/or the fue linjection system
could otherwise be blocked by particles from
the fue lcan.
If yo uoverfil lthe fue ltank, fue lcould spray out
when the fue lpum pnozzle is removed.
If yo uoverfil lthe fue ltank, pressure may build
up in the fue ltank. Thisc ould ca
use fue
ltospray
outw hent he fue lpum pnozzle is removed.
There is ariskofi njury. The fue ltank is ful lwhen
the fue lpum pnozzle firs tswitches off. End the
refueling process.
For further information on fue land fue lquali ty
(
Ypage 276).
Refueling
General information
Paya ttention to the important safety notes
(Ypage 118).
If yo uunlock/lock the vehicl efrom the outside,
the fue lfille rflapa lsou nlocks/locks.
The position of the fue lfille rcap is displayed in
the instrument cluster 8.The arrow next to
the filling pump indicates the sid eofthe vehicle.
118Refueling
Driving and parking

Opening the fuel filler flap
:To open the fuel filler flap
;Tire pressure table
=Instruction label for fuel type to be refueled
?To insert the fuel filler cap
XSwitchthe engine off.
iWhen the engine is running and the fuel filler
flap is open, the yellow reserve fuel warning
lamp and the =(USA only) or ;(Can-
ada only) Check Engine warning lamp may
light up.
Further information about warning and indi-
cator lamps in the instrument cluster can be
found in the Digital Operator's Manual.
XRemove the SmartKey from the ignition lock.
XTurn the fuel filler cap counterclockwise and
remove it.
XInser tthe fuel filler cap into the holder
bracket on the inside of filler flap ?.
XCompletely insert the filler neck of the fuel
pump nozzle into the tank and refuel.
XOnly fill the tank until the pump nozzle
switches off.
Do not add any more fuel after the pump stops
filling for the first time. Otherwise, fuel may leak
out.
Closing the fuel filler flap
XReplace the cap on the filler neck and turn
clockwise until it engages audibly.
XClose the fuel filler flap.
Close the fuel filler flap before lockin gthe vehi-
cle. If you are driving with the fuel filler cap open, the
8
reservef uel warning lamp flashes. Ames-
sage appears in the multifunction display
(
Ypage 179).
Fuel filler flap emergency release
The emergency release is located in the cargo
compartment ,onthe right-hand side when
viewed in the direction of travel, behind the rear
panel trim.
The vehicle walls in the area around the emer-
genc yrelease have sharp edges. There is arisk
of injury. Avoid contact with the edges on the
inside of the vehicle body.
XOpen the rear door.
XPull off edge protection ;.
XRemove rear wall trim:.
XPull emergency release =in the direction of
the arrow.
The fuel filler flap is unlocked.
XOpen the fuel filler flap (Ypage 119).
Refueling119
Driving and parking
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XTo apply:pull parking brake lever ;up
firmly.
Whe nthe ignition is switched on, the F
(US Aonly) or J(Canada only) indicator
lamp in the instrument cluster lights up.
XTo release: pull parking brake lever ;
slightly.
XPress release button :and guid eparking
brake ;down to the stop.
The F (USAonly) or !(Canada only)
indicator lamp in the instrument cluster goes
out.
The vehicl ecan also be braked during an emer-
genc ybyu sing the parking brake.
XTo brake in an emergency: press and hold
release button :and carefull ypullp arking
brake lever ;upwards.
If yo udrive on we troads or dirt-covered surfa-
ces, roads alta nd/or dirt could get into the
parking brake.
In order to prevent corrosion and areduction in
the braking powe rofthe parking brake, observe
the following:
Rpull the parking brake up with release but-
ton :depressedf rom time to time before
beginning ajourney.
Rdrive for approximately1 10 yds(100 m) at a
maximu mspeed of 12 mph (20 km/h)
Parking the vehicle for alon gp eriod
If yo uleave the vehicl eparked for longer than
fourw eeks, the battery maybed amaged by
exhaustive discharging.
If yo ulea ve the vehicl eparked for longer thans ix
weeks, the vehicl emaysuffer damage as a
resul toflackofu se.
XVisit aquali fied specialist workshop and seek
advice.
iYo uc an obtai ninformatio nabout trickle
chargers from aquali fied specialist work-
shop.
Driving tips
General driving tips
Important safety notes
GWARNING
If yo uswitch off the ignition whil edriving,
safety-relevant functions are onlya vailable
with limitations, or not at all. Thi scould affect,
for example, the powe rsteering and the brake
boosting effect. Yo uwillr equire considerably
more effort to steera nd brake. There isarisk
of an accident.
Do not switch off the ignition whil edriving.
GWARNING
If yo uoperate mobil ecommunication equip-
ment whil edriving ,you will be distracted from
traffic conditions. Yo ucould also lose control
of the vehicle. There is ariskofana ccident.
Onlyo perate thise quipment when the vehicle
is stationary.
Observe the legalr equirements for the country
in which yo uare driving .Some jurisdictions pro-
hibi tthe driver from using amobilephone while
driving avehicle.
If yo umakeac allw hile driving ,alway suse
hands-free mode. Onlyo perate the telephone
when the traffic situatio npermits. If yo uare
unsure, pull overtoas afel oc ation and stop
before operating the telephone.
Bea rinm ind thatata speed of only30m ph
(approximately50k m/h), the vehiclecovers a
distance of 44 ft (approximately1 4m)per sec-
ond.
Drive sensibly –save fuel
Observe the following tips to save fuel:
XThe tires should always be inflated to the rec-
ommended tire pressure.
XRemove unnecessary loads.
XRemove roof carriersw hen they are not nee-
ded.
XWarm up the engin eatlow engin espeeds.
XAvoid frequenta cceleration or braking.
XHave all servicea nd maintenancework car-
ried out at the specified intervals.
122Driving tips
Driving and parking

When towingatrailer, your vehicle's handling
characteristic swill be differentinc omparison
with when driving without atrailer.
The vehicle/trailer combination:
Ris heavier
Ris restricted in its acceleration and gradient-
climbing capability
Rhas an increased braking distance
Ris affected more by stron gcrosswinds
Rdemands more sensitive steering
Rhas alarger turning radius
This could impair the handling characteristics.
Adapt your driving style accordingly. Maintain a
safe distance. Drive carefully.
When towing atrailer, alwaysa djust your speed
to the currentr oad and weather conditions. Do
not exceed the maximum permissible speed for
your vehicle/trailer combination.
Notes on towing atrailer
General notes
RDo not exceed the maximum permissible
speed for vehicle/trailer combinations in the
relevant country.
This lowers the risk of an accident.
ROnly install an approved trailer coupling on
your vehicle.
Further information on availability and on
installation is available from any authorized
Mercedes-Benz Center.
RThe bumpers of your vehicle are not suitable
for installing detachable trailer couplings.
RDo not install hired trailer couplings or other
detachable trailer couplings on the bumpers
of your vehicle.
RIf you do not need the ball coupling, remove
the ball coupling from the ball coupling
recess. This will reduce the risk of damage to
the ball coupling.
When towing atrailer, set the tire pressure on
the rear axle of the towing vehicle for the max-
imum load. Further information on the tire pres-
sure table in the fuel filler flap (
Ypage 119).
Please not ethat when towing atrailer,
PARKTRONIC (
Ypage 140) and Blind Spot
Assist (Ypage 137) availability is limited or not
available at all. The height of the ball coupling changes with the
load of the vehicle. If necessary, use
atrailer
with aheight-adjustable drawbar.
You will find permissible trailer loads under
"Technical data" (
Ypage 284).
Driving tips
XObserve the notes on ESP®trailer stabiliza-
tion (Ypage 60).
XOn long and steep downhill gradients ,select
shift range 1,2or 3(Ypage 114) in good time.
This also applies if you have activated cruise
control or the speed limiter.
XIf necessary, shift the transfer case to LOW
RANGE (Ypage 146).
This will use the braking effect of the engine, so that less braking will be required to main-
tain the speed. This relieves the load on the
brake system and preventst he brakes from
overheatin gand wearing too quickly. If you
need additional braking, depress the brake
pedal repeatedly rather than continuously.
The maximum permissible speed for vehicle/
trailer combinations depends on the type of
trailer. Beforeb eginningthe journey, check the
trailer's document stosee what the maximum
permitted speed is. Observe the maximum per-
missible speed in the relevant country.
For certain Mercedes-Benz vehicles, the maxi-
mum permissible rear axle load is increased
when towing atrailer. See the "Technical data"
section to find out whether this applies to your
vehicle (
Ypage 284). In the event of increased
rear axle load, the car/trailer combination may
not exceed amaximum speed of 60 mph
(100 km/ h)for reasons concerning the operat-
ing permit. This als oapplie sinc ountries in
which the maximu mpermissible speedf or car/
trailer combinations is greater than 60 mph
(100 km/h).
When towing atrailer, you rvehicle's handling
characteristics wil lbedifferent in comparison to
when driving without atrailer and it wil lcon-
sume more fuel.
Towing atrailer151
Driving and parking
Z

Important safety notes
GWARNING
If wheels and tires of th ewrong siz eare used,
th ew hee lbrakes or suspension component s
may be damaged. Ther eisariskofana cci-
dent.
Always replace wheels and tires wit hthose
that fulfill th especification softheoriginal
part .
When replacing wheels, mak esuretou se the
correct:
Rdesignation
Rmodel
When replacing tires ,makes uretou se the
correct:
Rdesignation
Rmanufacturer
Rmodel
GWarning
Af lat tire severely impairs th edriving ,steer -
ing and braking characteristics of th evehicle.
Ther eisar iskofana ccident.
do no tdrivew ithaf lat tire. Immediately
replace th eflat tire wit hyour spar ewheel, or
consult aqualified specialist workshop.
Accessories that are no tapprove dfor your vehi-
cle by Mercedes-Ben zorare notbein gused cor-
rectl ycan impair th eoperating safety.
Before purchasing and usin gnon-ap proved
accessories, visit aqualified specialist work-
sho pand ask about :
Rsuitability
Rlegal stipulation s
Rfactory recommendation s
Further information regarding wheels and tires
can be foun dunder "Wheel/tire combinations"
(
Ypage 273).
You can ask for information regarding permitte d
wheel/tire combination satanauthorized
Mercedes-Ben zCenter. Information on tire pressur
ecan be found:
Ron th eTirea nd Loading Information placard
on th eB-pillar on th edriver' sside
(
Ypage 260)
Rin th etirep ressur etable in th efuel filler flap
(Ypage 119)
Runder "Tir epressure" (Ypage 254)
Operation
Information on driving
Checkthe tire pressur ewhen th evehicl eis
heavily laden and adjust prio rtoatrip.
While driving ,pay attention to vibrations, noises
and unusual handlin gcharacteristics ,e.g.p ull-
ing to on eside .This may indicat ethatthe
wheels or tires are damaged. If you suspec ttha t
at ireisd efective, reduce your spee dimmedi-
ately. Stop th evehicl eass oonasp ossible to
chec kthe wheels and tires for damage. Hidden
tire damag ecould also be causing th eunusual
handlin gcharacteristics .Ifyou fin dnos ignsof
damage, hav ethe tires and wheels checke data
qualified specialist workshop.
When parking your vehicle, mak esuret hatthe
tires do no tget deformed by th ecurboro ther
obstacles. If they canno tbeavoided, driv eover
obstacles suc hascurbs slowly and at an obtuse
angle. You could otherwise damag ethe whee l
rim sand tires .
Regularchecking of wheels and tires
GWARNIN G
Damaged tires can caus etirei nflation pres-
sur eloss .Asar esult,you could lose control of
your vehicle. Ther eisariskofa ccident.
Chec kthe tires regularly for sign sofdamage
and replace any damaged tires immediately.
Chec kwheels and tires for damag eatleast once
am onth .Chec kwheels and tires after driving
off-road or on roug hroads. Damaged wheels
can caus ealoss of tire pressure.
Pay particular attention to damag esucha s:
Rcut sint hetires
Rpunctures in th etires
Rtears in th etires
Operation251
Wheels and tires
Z

!Check the snow chains for damage before
mounting them. Damaged or worn snow
chains may snap and damage the following
components:
Rwheel
Rwheel housing
Rwheel suspension
For this reason, you must use only snow
chains that are free of defects. Observe the
manufacturer's mounting instructions.
For safety reasons, Mercedes-Benz recom-
mends that you only use snow chains that have
been speciallya pproved for your vehicle by
Mercedes-Benz,ora re ofacorresponding
standard of quality. For more information,
please contact aqualified specialist workshop.
If you intend to mount snow chains, please bear
the following points in mind:
RSnow chains may not be mounted on all
wheel/tire combinations. Observe the infor-
mation regarding permitted wheel/tire com-
binations (
Ypage 273).
RInstall the snow chains on all four wheels for
maximum tractive power and driving stability.
If you only have two snow chains, install these
as ap air on the rear wheels. The vehicle then
remains more stable under braking.
ROnly use snow chains when driving on roads
completely covered by snow. Remove the
snow chains as soon as possible when you
come to aroad that is not snow-covered.
RLocal regulations may restrict the use of snow
chains. Observe the appropriate regulations if
you wish to mount snow chains.
RDo not exceed the maximum permissible
speed of 30 mph (50 km/h).
You may wish to deactivate ESP
®when pulling
awayw ith snow chains installed (Ypage 59).
You can thereby allow the wheels to spin in a
controlled manner, achieving an increased driv- ing force (cutting action).
Tire pressure
Tire pressure specifications
Important safety notes
GWARNING
Underinflated or overinflated tires pose the
following risks:
Rthe tires may burst, especially as the load
and vehicle speed increase.
Rthe tires may wear excessively and/or
unevenly, which may greatly impair tire
traction.
Rthe driving characteristics, as well as steer-
ing and braking, may be greatly impaired.
There is arisk of an accident.
Follow recommended tire inflation pressures
and check the pressure of all the tires includ-
ing the spare wheel:
Rmonthly, at least
Rif the load changes
Rbefore beginning along journey
Runder different operating conditions, e.g.
off-road driving
If necessary, correct the tire pressure.
The data on the Tire and Loading Information
placard and tire pressure table shown here are
examples. Tire pressure specifications are vehi-
cle-specific and may deviate from the data
shown here. The tire pressure specifications
that are valid for your vehicle can be found on
the Tire and Loading Information placard and
tire pressure table on the vehicle.
General notes
The recommended tire pressures for the tires
mounted at the factory can be found on the
labelsd escribed here.
Operation with atrailer: the applicable value
for the rear axle is the maximum tire pressure
value stated in the table inside the fuel filler flap.
Further information on tire pressures can be
obtained at aqualified specialist workshop.
254Tire pressure
Wheels and tires

Tire and LoadingInfor matio nplacard
:Recommended tire pressures
The Tire and Loading Informatio nplacard is on
the B-pillar on the driver's side (
Ypage 260).
The Tire and Loading Informatio nplacard con-
tains the recommende dtire pressures for cold
tires. The recommende dtire pressures ar evalid
for the maximum permissibl eloa da nd up to the
maximum permissibl evehicl espeed.
Tire pressure table
The tire pressure table is on the insid eofthe fuel
fille rflap. It shows the tire pressure for al ltires
permitted at the factory for thisv ehicle; see
illustratio n(example).
The tire pressure table contains the recommen-
de dt ire pressure for col dtiresu nder various
operating conditions, i.e .differin gloa da nd
spee dconditions of the vehicle.
If at ire size precedes atire pressure, the tire
pressure informatio nfollowing is onl yvalid for
thatt ire size. The load conditions "partially
laden" and "fully laden" ar edefine dint he table
for different numbers of occupants and amounts of luggage.T he actual numbe rofseats mayd if-
fer. Some tire pressure table
sshowo nlyt he rim
diameters instea dofthe full tire size, e.g. R18.
The rim diamete rispartoft he tire size and can
be found on the tire sidewall (
Ypage 264).
If the tire pressures have been set to the lower
values for lighte rloads and/or lowe rroad
speeds ,the pressures shoul dbereset to the
highe rvalues :
Rif youwanttod rive with an increased load
and/or
Rif yo uwanttod rive at highe rroa ds peeds
The tire pressures for increased load sand/or
highe rroa ds peeds, shown in the tire pressure
table ,mayhave anegative effect on driving
comfort.
If the tire pressure is not set correctly, thisc an
lead to an excessive buil dupofheata nd asud-
de nlossofp ressure.
For mor
einformati
on, contactaquali fied spe-
cialist workshop.
Important notes on tire pressure
GWARNING
If the tire pressure drops repeatedly ,the
wheel, valve or tire maybed amaged.Tire
pressure thati stoo lo wmayresul tina tire
blow-out. There is ariskofana ccident.
RCheck the tire for foreign objects.
RCheck whether the whee lislosin gairor the
valve is leaking.
If yo uareunabl etorectify the damage,c on-
tact aquali fied specialis tworkshop.
GWARNING
If yo ufit unsuitable accessories onto tire
valves, the tire valve smaybe overloaded and
malfunction, which can cause tire pressure
loss. Due to their design, retrofitted tire pres- sure monitors kee pthe tire valve open. This
can also resul tintire pressure loss. There is a
ris kofana ccident.
Onlys crewt he standard valve cap or other
valve cap sapproved by Mercedes-Benz for
your vehicl eonto the tire valve.
Use asuitabl epressure gaug etocheck the tire
pressure. The outer appearance of atire does
Tire pressure255
Wheel sand tires
Z