engine MERCEDES-BENZ G-CLASS 2019 Repair Manual

Pe
rm itted towing methods Bo
th axle son thegr ound Fr
ont axle raised Re
ar axle raised
Ye s,maximum 31mile s(50 km) at31 mp h
(50 km/ h) Ye
sY esTo
wing theve hicl ewith both axle son the
gr ound #
Obser vetheno teson theper mitt edtowing
me thods (/page362). #
Mak esur eth at thebatt eryis con nect edand
ch arge d.
When thebatt eryis disc harged:
R theengine cannotbe star ted.
R theelectr icpar king brak ecann otbe released
or applied.
R thetra nsmiss ioncann otbe shif tedto posi‐
tion 005Cor005D. %
Ifth etransmission cannotbe shif tedto posi‐
tion 005C,transpor tth eve hicle (/page365).
A towing vehicle withlifting equipment is
re qu ired forve hicle transpor tatio n.
* NO
TEDama gedue totowing away at
exc essiv elyhigh speeds orove rlong dis‐
ta nces The
drivet ra in could bedamag edwhen tow‐
ing atexc essiv elyhigh speeds orover long
dis tances. #
Atowing speed of30 mph(50 km/h)
mus tno tbe exc eeded. #
Atowing distan ceof30 miles(50 km)
mus tno tbe exc eeded. &
WARNIN GRisk ofacci dent whento wing
a ve hicle whichis toohea vy
If th eve hicle being tow- star tedor towe d
aw ay ishea vier than theper missible gross
mass ofyour vehicle, thefo llo wing situat ions
can occur:
R The towing eyema ybecome detach ed.
R The vehicle/tr ailercombination may
sw erve oreve nov ertur n. Br
eakdo wnassis tance 36
3

Obser
vethefo llo wing during reco very to avo id
damag eto your vehicle:
R Ifth edr iven wheels gettr ap pe don loose or
mu ddygr ou nd, reco verth eve hicle withth e
utm ostcar e,
Es pec iallyso ifth eve hicle isladen.
R Neveratt em pttoreco vera ve hicle that is
st uc kwit hatrailer attached.
R Pull outtheve hicle that isstuc kbac kwards,
if poss ible, usingth etra cksit made beforeit
became stuc k. To
wing vehicl eaw ay intheeve ntofmalf unc‐
tions No
teson towing away intheev ent ofma l‐
fun ctions
* NO
TEDama gedue toinc orrect att ach‐
ment anduseof old nuts The
vehicle andcomponent sof theve hicle
can bedamag eddue toinc orrect att achment
and useof old nuts. #
Ifyo ure mo vethepr opeller shaft,place
th eM1 0nuts ontheM8 bolts as
spacer sand secur eth em withM8 nuts. #
Alw aysuse newself-loc kingnuts when
ins talling thepr opeller shafts. Obser
vetheno teson towing away
( / pag e362).
% Forfur ther information ,con sult anaut hor‐
ized Mercedes- BenzCenter.
To wing away intheev ent ofma lfun ctions
To wing away intheev ent ofdama getothe
engine, transm ission orelectr ics #
Shif tth etra nsmiss iontoposition 005C.
To wing away intheev ent oftransf ercase
da ma ge #
Remo vethepr opeller shaftsbetween the
axle sand thetransf ercase. To
wing away intheev ent offront axle dam‐
ag e #
Remo vethepr opeller shaftbe tween there ar
axle andthetransf ercase. #
Tow aw ay theve hicle withara ised front axle.
To wing away intheev ent ofrear axle dam‐
ag e #
Remo vethepr opeller shaftbe tween thefront
axle andthetransf ercase. #
Tow aw ay theve hicle withara ised rear axle
and withwheel roller sunder thefront axle. Loading
theve hicl efo rtr ans port #
Obser vetheno teson towing away
( / pag e362). #
Connec tth eto w bar totheto wing eyein
or der toload theve hicle. #
Shif tth etra nsmiss iontoposition 005C. Br
eakdo wnassis tance 36
5

To
w- star ting theve hicl e(eme rgency engine
st ar t) *
NO
TEDama getotheaut omatic trans‐
mission duetotow star tin g The
automat ictransm issionma ybe damag ed
in thepr ocess oftow star tin gve hicles with
aut omatic transmission. #
Vehicles withaut omatic transmission
mus tno tbe tow star ted. #
Donotto w- star tth eve hicle. Elec
trical fuses No
teson electr icalfuses &
WARNIN GRisk ofacci dent andinjury
due tooverloaded lines
If yo uman ipulat eor bridg eafa ulty fuse orif
yo ure place itwit hafuse withahigher
am per age, theelectr icline could beove rloa‐
ded.
This could result inafire . #
Alw aysre place faulty fuseswit hspec i‐
fi ed newfuses containin gth ecor rect
am per age. *
NO
TEDama gedue toinc orrect fus es Electr
icalcom pone ntsorsystems maybe
damag edbyinc orrect fus es, ortheir func ‐
tion ality maybe signif icantlyim pair ed. #
Onlyuse fuses that have been approved
by Mer cedes-Ben zand whic hha ve the
cor rect fus era ting . Blo
wn fuse smu stbe replaced withfuses ofthe
same rating ,wh ich yo ucan recogni zeby the
colo rand fusera ting .The fuse rating sand fur‐
th er information tobe obser vedar elis tedin the
fuse assignment diagram.
Fu se assignment diagram: onthefuse boxin
th ere ar passe nger com partment (/ page36 8). *
NO
TEDama geormalfunct ionscaused
by mois ture Mois
turema ycause damagetotheelectr ical
sy stem orcause itto malfu nction. #
When thefuse boxis open, makesur e
th at no mois turecan enterthefuse
bo x. #
When closing thefuse box,mak esur e
th at theseal ofthelid isposition edcor‐
re ctly onthefuse box. If
th ene wlyinser tedfuse alsoblows,ha ve the
cau setrace dand rectif ied at aqu alif ied spec ial‐
is two rkshop.
Ensur eth efo llo wing beforere placing afuse:
R The vehicle issecur edagains tro lling away
R Allelectr icalconsu mersar esw itched off
R The igniti onissw itched off
The electr icalfu ses arelocat ed invarious fuse
bo xes:
R Fuse boxin theengine compartmen ton the
lef tside (/page368 ) Br
eakdo wnassis tance 36
7

R
Fuse boxon theright side ofthecoc kpit
(/ page368)
R Fuse boxin there ar passe nger com partment
(/ page36 8) Open
ingand closing thefus ebo xin the
engine compartmen t Re
quiremen ts:
R Adr yclo thand asc rewdr iver areav ailable.
Obse rveth eno teson electr icalfuses
(/ page36 7).
Opening &
WARNIN GRisk ofinju ryfrom using the
winds hieldwiper swhile theengine hood
is open
When theengine hoodisopen andthewind‐
shield wipersar ese tin mo tion ,yo ucan be
tr apped bythewiper linkage. #
Alw aysswitc hof fth ewindshield wipers
and ignition beforeopening theengine
hood. #
Open thehood. #
Remo veanyex istin gmois turefrom thefuse
bo xusing adr yclo th. #
Loosen screws1. #
Foldout cover2 inthedir ect ion ofthe
ar row and remo veit. Closing #
Chec kwhe ther theseal isposition edcor‐
re ctly inthelid. #
Place tabs 3 ofcover2 inthefuse box. #
Ensur eth at cover2 sits onthefuse box. #
Tight enscrews1. #
Close thehood. Opening
andclosing thefus ebo xin the
coc kpit The
fuse boxis on theside ofthedashboar d
under aco ver. #
Con tact an author ized Mercedes-B enzCen‐
te rfo rfur ther information . Opening
andclosing thefus ebo xin there ar
passe nger comp artment Obse
rveth eno teson electr icalfuses
(/ page36 7). #
Foldtheright-h andseat cushion forw ard
(/ page95) . 368
Break down assis tance

Pr
epar ingtheve hicl efo ra wh eelch ang e Re
quirement s:
R The requ ired tire-c hang eto ol isavailable. If
yo ur vehicle isno teq uipped withth etir e-
ch ang eto ol kit, consult aqu alif ied spec ialist
wo rkshop tofind outab ou tsu itab letools.
R The vehicle isno ton aslope.
R The vehicle ison solid, non-slipper yand leve l
gr ou nd . #
Apply theelectr icpar king brak emanually . #
Movethefront wheels tothest ra ight -ahead
posit ion. #
Shif tth etra nsmiss iontoposition 005D. #
Switc hof fth eengine. #
Mak esur eth at theengine cannotbe star ted. #
Place choc ks orother suitable items under
th efront and rear ofthewheel that isdiago‐
nall yoppos ite th ewheel youwish tochang e. #
Remo vethehub caps ifneces sary
(/ page393). #
Raise theve hicle (/page393). Re
mo ving and inst alli ng hub caps Re
quirement s:
R The vehicle isprepar edfora whee lch ang e
(/ page39 3).
Pla stic hub cap #
Toremo ve:tur nth ecent ercoverof thehub
cap count er-cloc kwise andremo vethehub
cap. #
Toins tall: makesur eth at thecent ercoverof
th ehub capistur ned count er-cloc kwise. #
Position thehub capand turnth ecent er
co vercloc kwise untilthehub capengages
ph ysicall yand audibly . Ra
ising theve hicl ewhe nch angi ngawhe el Re
quirement s:
R Ther ear eno per sons intheve hicle.
R The vehicle hasbeen prepar edfora whee l
ch ang e(/ page39 3).
R The hub caps have been remo ved
( / pag e393). Ins
talling theja ck #
Asse mblepu mp leve r1. #
Placepum pleve r1 withth ere cess onlow‐
er ing screw 2 onthejac k. #
Turn pum pleve r1 cloc kwise asfaras itwil l
go.
Lo we ring screw 2 isclos ed. Wheels
andtires 393

3
Adapter
To raise theve hicl eat thefront :adap ter3
mus tbe secur edon thejac k.
To raise theve hicl eat there ar: remo ve
adap ter3 from thejac k.
Im por tant noteson using thejac k:
R Onlyuse theve hicle-specif icjac kth at has
been tested and appr ovedby Mer cedes-Ben z
to raise theve hicle.
R The jackis onl ydesigned forra ising and
holdin gth eve hicle fora shor ttime whilea
whee lis being chang edand notfo rmaint e‐
nance workund ertheve hicle. R
The jackmus tbe placed onafirm ,fl at and
no n-slip surface. Ifneces sary,use alar ge,
fl at, load- bearing,no n-slip unde rlay .
R The jackma yonl ybe positioned atthejac k
suppor tpoint .
Ru les ofcon duct when theve hicle israised:
R Neverpla ceyour han dsorfeet und erthe
ve hicle.
R Neverlie under theve hicle.
R Donotst ar tth eengine anddonotre lease
th eelectr icpar king brak e.
R Donotopen orclose anydoor sor there ar-
end door . #
Usin gth elug wrenc h,loosen thewheel bolts
on thewheel youwish tochang eby about
on efull turn.Do notuns crew thebolts com‐
ple tely. &
WARNIN GRisk ofinju ryfrom incor rect
pos itioning ofthejac k
If yo udo notposi tionth ejac kcor rectl yat
th eappr opriatejac king point oftheve hicle,
th ejac kcould tipwithth eve hicle raised. #
Onlyposit ionthejac kat theappr opri‐
at ejac king point oftheve hicle. The
base ofthejac kmus tbe position edver‐
tically underthejac king point ofthe
ve hicle. *
NO
TEVehicle damag efrom thejac k If
yo udo notposi tionth ejac kcor rectl yat
th eappr opriatejac ksuppor tpoint ofthe
ve hicle, thejac kcould tipove rwit hth eve hi‐
cle raised. 39
4
Wheels andtires

Ve
hicl eiden tificati onplat e,VIN and engine
number
Ve hicl eiden tificati onplat e Ve
hicle identif ication plate(US Aonl y)
1 Maximum gross vehicle weight
2 Perm issible front axle load
3 Perm issible rear axle load
4 Paint code
5 VIN (vehicle identificat ion numb er) Ve
hicle identif ication plate(Canada only)
1 Maximum gross vehicle weight
2 Perm issible front axle load
3 Perm issible rear axle load
4 Paint code
5 VIN (vehicle identificat ion numb er)
The permissib legross vehicle weight ismade up
of theve hicle weight ,all vehicle occupants, the
fuel andtheload. Themaximum gross axle
we ight rating isthemaximum weight that can be
car ried on one axle (front orrear axle ). Te
ch nica lda ta 40
1

Ne
verexc eed theper missible gross vehicle
we ight orthemaximum gross axle weight rating
fo rth efront orrear axle .
VIN onthech assi s 1
Imprint ed VIN (vehi cle identif icati onnumbe r)VIN
atthelo we redg eof the winds hield 1
VIN (veh icleidenti ficati onnumb er)aslabel Ad
diti onalplat es 1
Platewit hinf ormat ionabout emissionstest‐
ing, including confirm atio nof emis sions
guideli nesattheU. S. feder alleve las wellas
fo rCa lifor nia
2 Engine number stam ped intoth ecr ankc ase Oper
ating fluids No
teson oper ating fluids Mer
cedes- AMG vehicl es:besur eto obser ve
th einf ormation intheSupplement .Ot her wise,
yo uma yfa ilto recogni zedangers. 402
Tech nica lda ta

#
Immedia tely rinse fuelof fyo ur skin wit h
soap andwater. #
Iffuel comes intocont actwithyo ur
ey es, immediat elyrinse them thor‐
oughl ywit hclean water.Seek medical
att entio nimm ediately . #
Ifyo usw allo wfuel, seek medicalatten‐
tio nimm ediat ely. Do notind uce vomit‐
ing. #
Cha ngeimmedi ately out ofclo thing that
has com eint ocon tact with fuel . Fu
el No
teson fuel grades forve hicl eswith aga s‐
oline engine
Obser vetheno teson oper ating fluids
(/ page40 2).
* NO
TEDama gecau sed bythewr ong fuel Ev
en small amounts ofthewr ong fuelcould
re sult indamag eto thefuel system, the
engine andtheemission control system. #
Onlyre fuel withlow- sulfur unleade d
fuel.
This fuelmaycont ainupto10%ethanol by
vo lume. Your vehicle issuit able foruse with
E1 0fuel .
Ne verre fuel withone ofthefo llo wing fuels:
R Dies el
R Gasoline withmor eth an 10%ethanol by
vo lume, e.g.E15, E8 5,E100
R Gasoline withmor eth an 3% methano lby
vo lume, e.g.M15,M30 ,M85 ,M1 00
R Gasoline withadditiv escon tainin gme tal
If yo uha ve acc iden tally re fuel edwithth e
wr ong fuel: #
Donotswit chon theignition . #
Consult aqu alif ied spec ialistwo rkshop. If
th eav ailable fuelisno tsuf ficie ntly low in sul‐
fur ,th is can produce unpleasant odors. Onl
yre fuel withfuel that has atleas tth eoct ane
number specifiedintheins truction labelinthe
fuel filler flap (/ page14 7).
If yo uwa ntmaxim umengine output:onl y
re fuel withunle adedpr emiu mgrade gasoline
wit han oct ane number ofat leas t91 AKI/
95 RON.
As ate mp orarymeasur e,ifth ere comme nded
fue lis no tav ailable, youma yalso refuel with
unle adedre gular gasoline withat leas t87 AKI/
91 RON.Thisma yre duce engineoutput and
incr ease fuelconsum ption.
Ne verre fuel using gasoline withalowe rRO N.
* NO
TEPrema turewe arthro ugh unleaded
re gular gasoline Un
leade dre gular gasoline cancause the
engine towe armor equ ickl yand impair lon‐
ge vity and perform anc e.
If unle aded premium grade gasoline is
una vailable andyouha ve torefuel using
unle adedre gular gasoline: 40
4
Tech nica lda ta

#
Onlyfill th efuel tank tohalf fullwith
unleaded regular gasoline andfill up as
soon aspossible withunleaded pre‐
mium grade gasoline. #
Donotdr ive at themaximum design
speed. #
Avoid sudden accelerationandengine
speeds over3000 rpm. Fu
rther information onfuel isavailable atthefo l‐
lo wing locations:
R ataga sst atio n
R ataqu alif ied spec ialistwo rkshop
R USAonly: athttp: //www .mbusa.com
Inf ormat iononadditiv esingasoline
Obser vetheno teson oper ating fluids
(/ page40 2).
* NO
TEDama gefrom use ofunsu itabl e
add itives Ev
en smal lamou ntsofthewr ong additiv e
ma ylead tomalfu nctions occurring. #
Only addcle ani ng additiv es recomme n‐
ded byMer cedes-Ben zto thefuel. Mer
cedes- Benzrecomme ndsthat youuse fuel
br and sth at have addit ives.
In som ecoun tries, thefuel available mayno t
ha ve suf ficie ntadditiv es. Residue could buildup
in thefuel injec tionsystem asare sult. Inthis
case, incon sult ation withan aut hor ized
Mer cedes -Benz Cent er,th efuel maybe mix ed
wit hth ecleanin gadditiv ere comme ndedby
Mer cedes-Ben z.Be sureto obser vetheno tes
and mixing ratio ssp eci fied on thecon tainer .
Ta nk cont entand fuel reser ve
Cap acity Mod
el Total cap acity
G 55 02 6.4gal(1 00. 0liter s) Model
Ofwhic hre ser ve
G 55 03 .2gal(1 2. 0liter s) Engine
oil No
teson engine oil
Obser vetheno teson oper ating fluids
(/ page40 2). *
NO
TEEngi nedama gecau sed byan
inc orrect oil filt er ,inc orrect oil oraddi‐
tiv es #
Donotus eengi neoilsor oil filt er sot her
th an those whic hmee tth especif ica‐
tion sneces saryfo rth epr escr ibed
ser vice interva ls. Te
ch nica lda ta 405