fuel MERCEDES-BENZ G-CLASS 2020 Service Manual

#
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
(/ page41 6).
* 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
(/ page41 6). *
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 41
9

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Pull overand stop theve hicle safely assoon aspossible inaccor dance withth etra ffic con dition s.Do notcon ‐
tin ue drivin gunder anycir cums tances. #
Swi tchof fth eengine. #
Consult aqu alif ied spec ialistwo rkshop.
003D Stop Vehicle LeaveEngine
Running *T
hebatt erych arge leve lis toolow. #
Pull overand stop theve hicle safely assoon aspossible inaccor dance withth etra ffic con dition s.Do notcon ‐
tin ue drivin gunder anycir cums tances. #
Lea vetheengine running . #
Waitunt ilth edispla ymessag edisappear sbef orepulling away. #
Ifth edisp laymess agedoes notdisa ppear: consult aqu alif ied spec ialistwo rkshop.
00B6 Fuel Level Low *T
hefuel suppl yhas dropped intoth ere ser verang e. #
Refuel .
00B6
Ga sCa pLoose *T
hefuel filler cap isno tclos edcor rectly orthefuel system isleaking. #
Close thefuel filler cap. #
Ifth efuel filler cap wasalr eady proper lyclosed :con sult aqu alif ied spec ialistwo rkshop. 452
Displa ymessag esand warning/ indic ator lam ps

Engine
oil Displa
ymes sages
Possible causes/conseq uencesand0050 0050
Solutions
00B3 Check Engine OilLevel
(Add 1quart) *D
ispla ymess ageonl yfo rcer tainengi nes:
The engineoille ve lhas dropped totheminimum leve l.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntengi neoil #
Avoid long journeys wit hins ufficie ntengi neoil. #
Whe nne xt refuel ing, add 1.1 US qt(1l)of engine oil(/ page355) .
No teson engine oil(/ page41 9).
00B3 Engine OilLevel LowStop
Vehi cleTurn Engine Off *D
ispla ymess ageonl yfo rcer tain engin es:
The engin eoil leve lis toolow.
* NO
TEEngi nedama gecau sed bydriving withinsuf ficie ntengi neoil #
Avoid long journeys wit hins ufficie ntengi neoil. #
Pullove rand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.Do not
continu edr ivi ng und eranycir cums tances. #
Swi tchof fth eengine. #
Add1.1 US qt(1l)of engine oil(/ page355) . #
Che cktheengine oilleve l. Disp
lay mess ages and warning/ indic ator lam ps 453

00E9
Sea
tbel tno tfa stened
0027 US
A:brak es (red)
004D Canada:
brak es (red)
0024 Elect
ric pa rking brak e(yello w)
0049 US
A:elect ric pa rking brak eapplied
(r ed)
0024 Canada:
electric pa rking brak e
applied (red)
0025 AB
Smalfun ction
00E5 ESP®
00BB ESP®
OFF
L Distance warning (/ page48 4)
Ù Electric po we rst eer ing malfunct ion
(/ page489)
002E Of
f-road gear (/ page14 9)
Ì On-roa dpos ition (/ page 149)
00B9 Che
ckEngi ne(/ page 484)
003D Electr
icalmalfunction (/page48 4)
00B6 Fu
elreser vewit hfuel filler cap loca‐
tion indic ator (/ page48 4) 00AC
Coolant
tooho t/c old (/ page48 4)
0077 Ti
re pressur emonit or(/ page48 7) 47
6
Display messa gesand warning/ indic ator lam ps

Dr
ivin gsy stems Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
L Wa rning lam pfo rdis tance
wa rning func tion The
reddis tan cewarning lam plight sup while theve hicle isin mo tion.
*T he distance totheve hicle infront istoosmall forth espeed selected.
If th er eis an additional warning tone, youar eappr oachingan obs tacle attoohigh aspeed. #
Beprepar edtobrak eimmediat ely. #
Incr ease thedis tance.
Fu nctio nof ActiveBr ak eAssi st(/ pag e16 9). Eng
ine Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00B9 En gine diagnosis warning
lam p The
yello wChec kEn gine warning lam pis lit while theengine isrunning .
*A malfunctio nha soccu rred intheengine, theex haus tsy stem orthefuel system.
The emission limitvalues maybe exceed edand theengine maybe inemer gency mod e.
In som est at es, legalrequ iremen tsstipulat eth at youmus timm ediat elyco nsult aqu alif ied spec ialistwo rkshop as
soon astheye llo wChec kEn gine warning lam plight sup. #
Have theve hicle checkedas soon aspossible ataqu alif ied spec ialistwo rkshop. 48
4
Displa ymessag esand warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
003D Elect rical mal functi onwarn‐
ing lam p The
redelect rical mal functi onwarning lam pis lit.
*T her eis amalfunction intheelectr ics. #
Obser vethemessag eson themultifunc tiondispla y.
00B6
Fu elreser vewarning lam p The
yello wfuel reser vewarning lam pis lit while theengine isrunning .
*T he fuel supply hasdropped intoth ere ser verang e. #
Refuel .
00B6
Fu elreser vewarning lam p The
yello wfuel reser vewarning lam plight sup while drivin g.
*Ther ehas been pressur eloss inthefuel system. Thefuel filler cap isno tclos edcor rectl yor thefuel system isleak‐
ing. #
Close thefuel filler cap.
If th efuel filler cap hasalready been closedcor rectl y: #
Visit aqu alif ied spec ialistwo rkshop.
00AC Coola ntwa rning lam p The
redcoolant warning lam pis lit while theengine isrunning .
*P oss ible cau ses are:
R The temp eratur esensor ismalfunct ioning Displa
ymessag esand warning/ indic ator lam ps 485

Ad
aptiv eHighb eamAssist
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>114
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 115
Ad diti onalvalue rang e
Se tting displa ycont ent ........................ 215
Ad diti ves................................................... 419
Engi neoil............ ................................. 419
Fu el ...................................................... 419
Ad diti ves(engine oil)
see Additiv es
Ad diti ves(fuel)
see Fuel
Ad dres sbo ok
see Contacts
Ad jus tabledam ping.......... ......................179
Ad jus tingthe balanc e/fader
Bur mes ter®
sur round soun dsy stem ...337
Ad jus tingthe sound focus
Bur mes ter®
sur round soun dsy stem ...337
Ad jus tingtreb le,mid- rang eand bass
se ttings
Bur mes ter®
sur round soun dsy stem ...337 Af
ter-sales service center
see ASSYSTPL US
Air bag
Re duced protect ion ...............................4 2
Air inle t
see Air-water duct
Air pressu re
see Tire pressur e
Air vents ................................................... 128
Ad jus ting (front) ............. .....................128
Ad jus ting (rea r) ............. .......................128
Air vents
see Airvents
Ai r-re cir cula tion mode............................ 127
Air -water duct .......................................... 358
Ke eping free ........................................3 58
Airb ag....... ..................................................40
Ac tivati on ........... ...................................34
Fr ont airbag (driver ,fr ont passeng er)....4 0
Ins tallation locations ...................... .......4 0
Knee airbag........................................... 40
Ov ervie w ..... ................................... ....... 40
PA SSENGER AIRBAGind icat orlam p.....4 5 Pr
otect ion ..............................................4 1
Sid eairba g<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 40
Wi ndo wcur tain airbag ...........................4 0
Alar m
see Panic alar m
Al ar m system
see ATA (anti-thef talar msystem)
All-wheel drive
see 4MA TIC
Alt ernativ ero ut e
see Route
Amb ientlighting
Se tting (mult imediasystem) ................1 17
Andr oidAuto <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 301
Co nnecting amob ile pho ne<0011001100110011001100110011001100110011001100110011001100110011
0011> 302
Ending <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 303
Inf ormati on<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 302
Ov ervie w <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 301
Sou ndsettings <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 303
Tr ans ferred vehicle data......................3 03
Ani mals
Pe ts intheve hicle ................................. 63 Inde
x49
1

00B3
EngineOilLe velCann otBe
Mea sured <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>....455
00B3 Engine OilLevelLo wStop Vehi‐
cle Turn Engi neOff............ ..................453
00B3 EngineOilPr ess ureSt op
Switc hOf fEngin e................................ 454
00B3 EngineOil Reduce OilLevel........ 454
0075 Front LeftMalfunction Service
Re quired (exa mp le) .............................4 38
00B6 FuelLevelLo w ............................ 452
00B6 GasCap Loose ...........................4 52
0025 Inoper ativeSee Oper ator's
Manu al....... ......................................... 429
00E5 Inoper ativeSee Oper ator's
Manu al....... ......................................... 430
007A Inoper ativeSee Oper ator's
Manu al....... ....... .................................. 431
0053 Inoper ative....... .......................... 442
0049 Intell. Light System Inoperativ e.. 473 Á
KeyNo tDe tected (red displ ay
messa ge).............................................4 62
Á KeyNo tDe tected (whit edis‐
pl ay messa ge).....................................4 62
0075 LeftSide Curtain Airbag Mal‐
fun ction ServiceRe quired (Exam ple) ...4 39
ä Malfunction Drive at Max. 50
mp h..................................................... 444
0049 Malfunction SeeOper ator ’s
Manual .................................................4 72
Á ObtainaNe wKe y.......................4 61
ç Off..............................................4 47
00D9 Off..............................................4 47
0049 Parking Brak eSee Opera tor's
Manua l...... .......................................... 434
0077 PleaseCor rect Tire Pressur e...... 460
0049 Please Release Parking Brak e.... 433
Á Replace KeyBat tery <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 462
003D SeeOperator's Manua l...... .........451 0075
SRSMalfunction Service
Re quired .............................................. 438
003D StartEn gin eSee Operat or's
Man ual.................................................4 51
Ù Steer ing Malfunct ionIncreased
Ph ysical Effort See Operator's Man‐
ua l...... ................................................. 464
Ù Steer ing Malfunct ionStop
Immediat elySee Oper ator's Manual ...464
003D Stop Vehicle LeaveEngi neRun‐
ning <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011>.....452
003D Stop Vehicle SeeOper ator's
Manual .................................................4 51
ç Suspend ed<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 447
0049 SwitchOf fLig hts <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 473
0049 SwitchOn Hea dlamps ................ 473
0049 Turn On theIgnit iontoRelease
th ePa rking Brak e................................ 432
0072 Vehicle Ready toDrive Swi tch
th eIgnit ionOffBef oreEx iting .............4 63 Inde
x499

Re
fuel ing ............................................. 152
Sul fur cont ent <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 418
Ta nk cont ent <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ...............419
Fu elconsum ption
On- boar dcom puter .............................2 18
Fu nction seat
see Door controlpanel
Fu ses ............... ......................................... 381
Bef orere placing afuse ........................ 381
Dashboar dfuse box............................ 383
Fu se assignment diagram.................... 381
Fu se boxin theengine compartmen t.. 382
Fu se boxin there ar passe nger com ‐
par tment .............................................3 83
No tes ............ ....................................... 381
Fu ses
see Fuses G
G-Mode ............ ......................................... 143
Gar agedoor opene r
Cle aring thememor y........................... 159
Opening orclosing thedoor ................1 59
Pr ogr ammi ngbutt ons .......................... 156 Ra
dio equipment approval num bers.... 159
Re sol ving problems ............................. 158
Sync hronizi ngthero lling code .............1 58
Gas station search
St artin gaut omat icsear ch<0011001100110011001100110011001100110011001100110011001100110011
001100110011> 266
Swi tching automatic searchon/of f..... 272
Using automatic search<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 272
Gasoli ne....................................................418
Gear shiftre comm endation .................... 146
Genuin epar ts............................................ 21
Glide mode ............................................... 147
Glo vebox
Loc king /unloc king................................ 94 H
Handbr ake
see Electr icpar king brak e
Handlin gch aract eristics (unus ual)....... 384
Hazar dwa rning light s.............................1 14
Hazar doussubstances
Inf ormation .................................... ........24 Head
restra int
Fr ont (luxur yhead restra int ).................. 83
Re ar (installin g/remo ving) .....................8 5
Re ar passe nger com partment
(adj ustin g) .............................................8 4
Headlin er(car e)....................................... 365
Headphone s(R ear Seat Entertain ‐
ment System)
Conn ecting .......................................... 344
Dis con necting.....................................3 44
Ov ervie w ............................................. 344
High beam
Switc hingon/of f..................................1 13
HIGH RANGE
Shif ting ................................................1 49
High-b eamflasher ................................... 113
High-be amheadlam ps
Ad aptiveHig hbeam Assis t...................1 14
Hill star tassi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 178
HOLD functio n...... ................................... 178
Fu nctio n/no tes .................................... 178
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 178 Inde
x505

see
Routeguidan ce
see Traf fic inf ormati on
Na vig ation announcements
Ac tivati ng/d eactiv ating ........... ............275
Ad jus ting thevo lume ...................... .....2 76
Re peating ............................................ 276
Swi tching audio fa deout on/off...........2 76
Na vig ation messag es
On-boar dcom puter .............................. 219
Ne arField Comm unication(NFC) .......... 292
Conn ecting themobile phonetothe
multime diasystem .............................. 292
Inf ormation .......................................... 292
Switc hingBluetooth®
audio equip‐
men t............ .................................. ...... 328
Swit ching mobile phones.................... 292
Usin gamobile phone.......................... 292
Ne utr al
Inser ting.............................................. 144
NFC see NearFie ldCo mmu nication(NF C)
No n-oper ational time
Ac tivati ng/d eactiv ating standb y
mode .... ...............................................1 64 St
andb ymode function .................. .....1 64
No tes ........................................................ 133
Op timized acceleration........................ 133
No teson breaking-in ane wve hicl e...... .132 O
Occ upant safety
Pe ts intheve hicle ........................... ...... 63
Occupant safety
see Airbag
see Automatic front pass engerfront
airb agshut off
see PRE-S AFE®
(anticip ator yoccu‐
pant protect ion)
see Restra int system
see Seat belt
Odome ter
see Totaldis tance
Of f-road drive pr og ram
see G-Mode
Of f-road driving ....................................... 136
Of f-road driving
see Off-road driving Oil
see Engine oil
On-boar dcom puter................................. 213
Assi stanc emen u.................................. 217
Dis play ing theser vice duedate........... 351
Media menu ......................................... 221
Menu designs ...................................... 215
Menu overview .....................................2 13
Multifunction display............................2 16
Na vig ation system menu ......................2 19
Oper ating ............................................. 213
Ra dio menu .........................................2 21
Ser vice menu <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 217
Te lephon emen u.................................. 222
Tr ip men u.............................................2 18
On-boar ddiagnos ticsinterface
see Diag nostics con nection
Online services
Dat ast or ag e .......................................... 30
Open-sour cesof tware ...............................3 1
Oper ating fluids
Ad ditiv es(fuel) .....................................4 19
Br ak efluid ...........................................4 20
Coo lant (engi ne)....... ........................... 421 Inde
x51
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