wheel size MERCEDES-BENZ G-CLASS 2020 Owner's Manual

#
Alw aysbe par ticular lycareful arou nd
th eta ilpipe andtheta ilpipe trims and
super visechildr enespec iallycloselyin
th is area. #
Allo wvehicle partsto cool down before
to uc hin gth em. Dr
iving, braking andsteer ing charact eristic s
ch ang edepen dingon :
R Type ofload,
R Weight
R The centerof grav ity oftheload
The gross vehicle weight (GVW) istheve hicle
we ight including fuel,vehicle tool kit, spar e
wheel, accessor iesinstalled, vehicle occupants
and luggage/load.
Do notex ceed themaximum permissible pay‐
load weight orper missib legross mass (GVWR)
fo ryo ur vehicle. Themaximum permissible pay‐
load weight andGVWR aregiv en on theve hicle
identif ication platefo und onthedr iver's door B-
pillar . Fu
rther mor e,theload mustbe distribut edin
suc hawa yth at thewe ight oneac haxle never
exc eeds themaximum gross axle weight rating
(GA WR)fo rth efront and rear axle s.The releva nt
GV WR and GAWR information canbefound on
th eve hicle identif ication plateon thedr iver's
side B-pillar .
Bear thefo llo wing inmin dwhen loading and
transpor tingloads:
R Neverexc eed theper missible gross mass or
th egr oss axle weight rating forth eve hicle
(including occupants). Thevalues arespec i‐
fi ed on theve hicle identif ication plateon the
ve hicle's B-pillar.
R Position heavyloads asfarfo rw ards asposs i‐
ble and aslow do wn inthecar gocom part‐
ment aspossible.
R Ifpossible, alwaystranspor tloads inthe
cargo compartment. Onlyusethecar gocom‐
par tmen tenlar gement ifth eload does notfit
in thecar gocom partmen t.
R Alw aysplace theload agains tth ebac kres ts
of thefront seats orrear seat s. R
Sec ureth eload using thetie-do wneyes and
dis tribut eth eload evenly.
R Use tie-do wneyesand fastening componen ts
th at aresuit able forth ewe ight andsize of
th eload.
If th ere ar ben chseat isno toccupied:
R Inser tth eseat belts intoseat beltbuckles of
th eopposit eseat beltinadiagonal pattern.
R Secur eth eload withsuf ficie ntly tear-resis t‐
ant and wear-resis tant tie downs .
R Padshar pedg esforpr otect ion. St
ow agespace sin theve hicl eint erior Ov
ervie wof thefront stow ageco mp art‐
ments &
WARNIN GRisk ofinju rydue toobject s
being stowe dinco rrect ly
If yo udo notadeq uatelyst ow object sin the
ve hicle interior ,th ey cou ldslipor be tossed
ar ound andther eb yst rike vehicle occupants.
In addition, cupholder s,open stow age Seat
sand stow ing 93

The
tirepr essur eta ble showsthere comme nded
tir epr ess ures forall tires app rove dfo rth is vehi‐
cle. The recomme ndedtirepr ess ures apply for
cold tires und ervarious oper ating condit ions,i.e.
loading and/orspeedoftheve hicle.
If one ormor etir esizes precede atir epr essur e,
th etir epr essur einf ormation follo wing isonl y
va lid forth ose tiresizes.
The load condit ions"partially laden" and"fully
laden" aredef ined intheta ble fordif fere nt num ‐
be rs of passeng ersand amounts oflugg age. The
actual number ofseats maydif ferfr om this.
Som etir epr essur eta bles onlysho wtherim
diame terins tead ofthecom pletetiresize, e.g.
R1 8.The rim dia me teris par tof thetir esize and
can befound onthetir eside wall(/ page398 ).
Be sureto also obse rveth efo llo wing further
re lat ed subje cts:
R Noteson tirepr essur e(/ page385)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page39 1)
R Max imum tirepr essur e(/ page39 7) Chec
kingtirepr essu resmanu ally #
Read thetir epr essur efo rth ecur rent operat‐
ing cond itions from theTire and Loadi ng
In fo rm atio nplacar dor thetir epr essur e
ta ble. Obser vetheno teson tirepr essur e. #
Remo vetheva lve cap ofthetir eto be
ch ecked. #
Press thetir epr essur ega ug esec urelyon to
th eva lve. #
Read thetir epr essur e. #
Ifth etir epr essur eis lowe rth an there com‐
mend edvalue, increase thetir epr essur eto
th ere comme ndedvalue. #
Ifth etir epr essur eis higher than there com‐
mend edvalue, release air.To do so, press
do wn theme talpin intheva lve, e.g. using
th etip ofapen forex am ple. Then checkth e
tir epr es su re again usin gth etir epr essur e
ga ug e. #
Screw theva lve cap ontoth eva lve.
Fu rther relat ed subje cts:
R Noteson tirepr essur e(/ page385) R
Tire pressur eta ble (/ page38 7)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page39 1) Ti
re pres sur emoni toring system Fu
nction ofthetir epr essur emoni toring sys‐
te m &
DANG ER Risk ofacc iden tdue toinc or‐
re ct tirepr ess ure
Eac htir e, incl uding thespar e(if prov ided),
should becheckedmont hlywhen coldand
inf lated totheinf lation pressur ere comme n‐
ded bytheve hicle manuf actureron theve hi‐
cle placar dor tireinf lation pressur elabel .(If
yo ur vehicle hastires ofadif fere nt size than
th esize indicat edon theve hicle placar dor
th etir einf lation pressur elabel, yousho uld
de term ine thepr oper tireinf lation pressur e
fo rth ose tires).
As anadded safetyfe atur e,your vehicle has
been equipped withatir epr essur emonit or‐
ing system (TPMS) that illumin ates alow tire 388
Wheelsand tires

yo
ur vehicle. Consult this manual todeter‐
mine howthis reduces theav ailable cargo
and luggageload capac ityofyour vehicle.
% Notall vehicles areper mitt edtotow a
trailer .To wing atrailer isonl yper mittedifa
tra iler -hit chisins talled. Please consult an
aut hor ized Mercedes -Benz dealer ifyo uha ve
an yqu estion sabout towing atrailer with
yo ur vehicle.
Ev en ifyo uha ve cal cul ated thetot alload care‐
full y,yo usho uld still mak esur eth at themaxi‐
mum permissible gross mass andthemaximum
gr oss axle weight rating ofyour vehicle areno t
exc eeded. Details can befound ontheve hicle
identif ication plate. #
Have your loaded vehicle –including driver ,
occupants andload –we ighed onave hicle
we ighbr idge.
The measur edvalues mayno texc eed the
maximu mper missi blevalues stat ed on the
ve hicle identif ication plate.
Fu rther relat ed subje cts:
R Calculation exam ple forde term inin gth emax‐
imum load(/page393)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page39 1)
R Tire pressur eta ble (/ page38 7)
R Vehicle identif ication plate Calculation
exam ple forde term ining the
ma ximum load The
follo wing table showsexam ples ofhowto
cal cul ateto ta land load capac itieswithva rying
seatin gcon figur ations anddiffere nt num bers
and sizes ofocc upant s.The follo wing exam ples
use amax imum loadof1500 lbs (680 kg).This
is forillus tratio npur pos esonly.Mak esur e
yo uar eusin gth eactual loadlimit foryo ur vehi‐
cle stat ed on your vehicle's Tire and Loadi ng
In fo rm atio nplacar d(/ page39 1).
The high erthewe ight ofall theoccupant s,the
smaller themaximum loadforlug gage .
Ste p1 Ex
am ple 1E xamp le2
Combine dmaxim umweight ofocc upant sand
load (datafrom theTire and Loadi ngInfo rm atio n
placar d) 15
00 lbs (680 kg)1 500lbs(680 kg) Wheels
andtires 393

Ne
verexc eed maximum tirepr essur e1 speci‐
fi ed forth etir e. Inf
ormat ionontirech aract eristics %
The datasho wnintheimag eis exam ple
dat a.
This informat iondesc ribes thetype oftirecor d
and thenumber oflaye rs inside wall1 and
under tiretread 2. Ti
re size designation, load-bearingcapacity ,
speed ratin gand load inde x &
WARNIN GRisk ofinju rythro ugh exceed‐
ing thespecif iedtireload rating orthe
per missible speedrating
Ex cee ding thespecif iedtireload rating or
th eper missible speedrating mayle ad totire
da ma geand tothetir es bur sting. #
Ther efor e, onl yuse tiretypes andsizes
appr ovedfo ryo ur vehicle model. #
Obser vethetir eload rating andspee d
ra ting requ ired foryo ur vehicle. 1
Preceding letter
2 Nominal tirewidt hin millime ters
3 Aspe ctratio in%
4 Tire code
5 Rim diame ter
6 Load-be aring inde x
7 Speed rating
8 Loadind ex
% The datasho wnintheimag eis exam ple
dat a.
In fo rm atio nabout readin gtir edat acan be
obt aine dfrom anyqu alif ied spec ialistwo rkshop. 398
Wheels andtires

th
ese areins talled ontheve hicle, butdoes not
include passeng ersor lugg age.
Maximum tireload: themaximum tireload is
th emaximum permissible weight inkilog rams or
lbs forwhi chatir eis appr oved.
Maxim umpermissible tirepr essur e:maxi‐
mum permissible tirepr essur efo rone tire.
Maximum loadonone tire: maximu mloa don
one tire. This iscalcu lated bydividing themaxi‐
mum axleload ofone axle bytwo.
PSI (pounds persquar ein ch ):standar dunit of
meas uremen tfo rtir epr essu re.
Aspe ctratio :ra tio betwee ntire height and tire
wi dthin pe rcent .
Ti re pres sur e:press ureinsi dethetir eappl ying
an outw ardfo rc eto eve rysquar einc hof thetir e.
The tirepr essur eis specif iedinpounds per
sq uar einc h(psi), inkilopascals (kPa)or inbar .
The tirepr essur eshould onlybe cor rected whe n
th etir es arecold.
Cold tirepr essur e:thetir es arecold when the
ve hicle hasbeen parkedfo rat lea st3hou rs wit
hout direct sunli ghtonthetir es ortheve hicle
has been driven forless than 1mile (1.6 km ).
Ti re contact surface: thepar tof thetir eth at
com esintocon tact with thero ad.
Ti re bead: thepur pose ofthetir ebead isto
ensur eth at thetir esits secur elyon thewheel
ri m. Ther ear ese veralwir ecor esinthetir ebead
to preve ntthetir efrom chang inglengthon the
wheel rim.
Side wall:thepar tof thetir ebe tween thetread
and thetir ebead.
We ight ofoptiona leq uipm ent:th ecombin ed
we ight oftheop tion aleq uipment weighin gmor e
th an there placed standar dpar tsand moreth an
5 lbs (2.3kg ).This optional equipment, suchas
high-per form anc ebr ak es, leve lcon trol system, a
ro of lugg agera ck orhigh-per form anc ebat teries,
is no tincluded inthecurb weight andthewe ight
of theaccessor ies.
TIN (Tire Identif ication Numbe r):auni que
ident ificat ion numb erwhic hcan beused bya
tir ema nuf actu rerto ident ifytires, forex am ple,
in apr oduc tre cal l,and thus iden tifyth epur‐
ch aser s.The TINismade upofthemanuf actur‐ er's
identit ycode, tiresize, tiretype code and
th emanuf acturingdate.
Load-bear inginde x:theload-bear inginde xis a
code that con tains themaximum load-bearing
capacity ofatir e.
Tr actio n:traction isthegr ip resulting from fric‐
tion between thetir es and thero ad sur face.
We arindi cator:nar row bars(tr ead wearbar s)
th at aredis tribut edove rth etir econ tact surface.
If th etir etread isleve lwit hth ebar s,thewe ar
limit of1/ 16 in(1.6 mm) hasbeen reac hed.
Dis tribut ionofvehicl eoc cupants: distribu tion
of vehicle occupants over designat edseat posi‐
tion sin ave hicle.
Maximum permissible payload weight :nom i‐
nal load andluggageload plus150lb (68 kg)
multip liedby thenumber ofseats intheve hicle. 402
Wheels andtires

Cha
nging awheel No
teson selecting, installing andreplac ing
tir es Mer
cedes -AMG vehicl es:obse rveth eno tesin
th eSupplement .Ot her wise, youma yno tre cog‐
nize dangers.
Yo ucan askforinf ormation rega rding permitted
wheel/ tirecom binat ionsatan aut hor ized
Mer cede s-Ben zCent er. &
WARNIN GRisk ofacci dent dueto inc or‐
re ct dimensi onsofwhe elsand tires
If whe elsand tires ofthewr ong size are
ins talled, thewheel brak es orwheel suspen‐
sion componen tsma ybe damag ed. #
Alw aysre place wheels andtires wit h
th ose that fulf illthespecif ication sof
th eor iginal part.
When replacing wheels, makesur eto fit th e
cor rect:
R Desi gnati on R
Mod el
Whe nre placing tires, mak esur eto ins tallth e
cor rect:
R Desi gnati on
R Manuf actu rer
R Model &
WARNIN GRisk ofinju rythro ugh exceed‐
ing thespecif iedtireload rating orthe
per missible speedrating
Ex cee ding thespecif iedtireload rating or
th eper missible speedrating mayle ad totire
da ma geand tothetir es bur sting. #
Ther efor e, onl yuse tiretypes andsizes
appr ovedfo ryo ur vehicle model. #
Obser vethetir eload rating andspee d
ra ting requ ired foryo ur vehicle. *
NO
TEVehicle andtiredamag eth ro ugh
tir etyp esand sizes that have notbe en
ap prove d Fo
rsaf etyre ason s,on lyuse tires, wheel s
and accessories whic hha ve been speciall y
appr ovedby Mer cedes-Ben zfo ryo ur vehicle.
These tires arespecially adaptedto thecon ‐
tr ol systems, suchas ABS ,ES P®
and
4MA TIC,andmarkedas follo ws :
R MO =Mer cedes-Ben zOr iginal
R MOE =Mer cedes-Ben zOr iginal Extended
(r un-f lattireonl yfo rcer tain wheels)
R MO1 =Mer cedes -Benz Original (onlycer ‐
ta in AMG tires)
Cer tain charact eristic s,suc has han dling,
ve hicle noise emissions, fuelconsum ption,
et c. ma yot her wise beadv ersel yaf fect ed.
Fu rther mor e,other tiresizes could result in
th etir es rubbing agains tth ebody andaxle
com ponen tswhen loaded. Thiscould result
in damag eto thetir eor theve hicle. Wheels
andtires 403

Obser
vethefo llo wing when selecting,ins talling
and replacing tires:
R Onlyuse tires and wheels ofthesame type
(summer tires, wint ertires, MOEx tende d
tir es) and thesame make.
R Onlyins tallwheels ofthesame sizeonone
axle (leftand right).
It is onl yper missible toins talla dif fere nt
wh eelsi ze intheeve ntofaflat tirein order
to drive to thespecialis two rkshop.
R Onlyins talltir es ofthecor rect size onthe
wheels.
R Vehicl eswith atir epr ess uremonit oring
sy stem: Allinstalled wheels mustbe equip‐
ped withfunc tioningsensorsfo rth etir e
pr essur emonit oring system.
R Attemp eratur esbelo w45 °F(7°C), usewin‐
te rtir es orall-seaso ntir es mar kedM+S for
all wheels .
Wi nter tires bearing the004D snowflak esym‐
bol inaddition totheM+S marking prov ide
th ebes tpossible grip inwintr yro ad con di‐
tio ns. R
ForM+S tires, only usetires wit hth esame
tr ead.
R Obser vethemaximum permissible speedfor
th eM+S tires installed.
If th is isbelo wtheve hicle's maximum speed,
th is mus tbe indic ated byan appr opriate
label inthedr iver's field ofvision.
R Break inne wtires atmoder atespeeds for
th efirs t60 miles(1 00 km) .
R Replace thetir es afte rsix yearsat thelat est,
re ga rdless ofwe ar.
Fo rmor einf ormation onwhee lsand tires, con‐
tac ta qu alif ied spec ialistwo rkshop.
Be sureto also obse rveth efo llo wing further
re lat ed subje cts:
R Noteson tirepr essur e(/ page385)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page39 1)
R Tire size designation, load-bearing cap acity,
spe edrating andload index(/ pag e398)
R Tire pressur eta ble (/ page38 7) R
Noteson theemer gency sparewheel
(/ page41 2) No
teson rotat ing whee ls &
WARNIN GRisk ofinju rythro ugh differ‐
ent whee lsizes
Int erch ang ingthefront and rear wheels ifth e
wheels ortires have differe nt dimens ions
ma yse verely im pa irth edr iving charact eris‐
tic s.
The wheel brak es orwheel suspension com ‐
pon entsma yalso bedamag ed. #
Rotate front and rear wheels onlyifth e
wheels andtires areof thesame dimen‐
sions. The
wearpat tern son thefront and rear wheels
dif fer:
R Front wheels wearmor eon theshoulder of
th etir e
R Rear wheels wearmor ein thecent erofthe
tir e Wh
eelsand tires 40
5

On
vehicles that have thesame sizefront and
re ar wheels ,ro tate thewheels accordingtothe
int erva ls in thetir emanuf acturer'swarrant y
book inyour vehicle documents. Ifth is isno t
av ailable, rotate thetir es eve ry
3,000 to6,000 miles(5 ,000 to10,000 km),
dependin gon thewe ar.En sur eth at thedir ect ion
of rotatio nis ma intained .
Ob serveth eins truction sand safetyno teson
"Cha nging awheel" whendoing so
(/ page406). No
teson sto ring wheels When
stor ing wheels, observethefo llo wing
no tes:
R Afterre mo ving whee ls,stor eth em inacool,
dr yand prefer ably darkplace.
R Protect thetir es from contact with oil, grease
or fuel. Ve
hicl eto ol kit ove rview The
vehicle tool kit contains:
R Vehicle tool bag with:
- Pum pleve rfo rjac k
- Wheel wrenc hwit hT-piece
- Screwdriver (inser tedin apum pleve r)
- Dismantli ngtool forro of rack (inser tedin
a pum pleve r)
R Jack withadap ter 1
Vehicle tool bag
2 Jack #
Foldthere ar ben chseat forw ards
(/ page98) . Pr
epa ring theve hicl efo ra wh eelch ang e Re
quirement s: 406
Wheels andtires

#
Mak esur eth ewheel boltsorwheel
nuts aretight ened tothepr escr ibed
tight ening torq ue. #
Ifyo uar eno tsur e,do notmo vethe
ve hicle. Consult aqu alif ied spec ialist
wo rkshop andhave thetight ening tor‐
qu ech eckedimmediat ely. #
Chec kth etir epr essur eof thene wlymoun‐
te dwheel andadjus taccor dingly. #
Vehicl eswith atir epr ess uremonit oring
sy stem: Restar tth etir epr essur emonit oring
sy stem (/ page390).
Mak esur eto obser vethefo llo wing further rela‐
te dsubjec t:
R Noteson tirepr essur e(/ page385) Emer
gency spar ewheel No
teson theemer gency spar ewheel &
WARNIN GRisk ofacci dent caused by
inc orrect whe eland tiredimensi ons
The wheelor tiresize andthetir etype ofthe
emer gency sparewheel orspar ewheel and
th ewheel tobe replaced maydif fer. Mount‐
ing anemer gency sparewheel/ sparewheel
ma yse verely im pa irth edr iving charact eris‐
tic s.
To preve nthazardous situa tions: #
Adaptyo ur drivin gst yle accor dinglyand
dr ive car efull y. #
Nevermount moreth an oneemer gency
spa rewheel orspar ewheel that dif fers
in size . #
Onlyuse anemer gency sparewheel or
spar ewheel ofadif fere nt size briefly. #
Donotsw itchof fESP ®
. #
>Ha vetheemer gency sparewheel or
spar ewheel ofadif fere nt size replaced
at thenear estqu alif ied spec ialistwo rk‐ shop.
Thenewwheel mustha ve the
cor rect dimensi ons. Ch
eckth etir epr essur eof theemer gency spare
wheel installed. Correct thepr essur eas neces ‐
sar y.
The maximum permissible speedwithan emer‐
ge ncy sparewheel installed is50 mph
(80 km/ h).
Do notins tallth eemer gency sparewheel with
sn ow chains .
Re place theemer gency sparewheel afte rsix
ye arsat thelat est,re ga rdless ofwe ar.
Be sureto also obse rveth efo llo wing further
re lat ed subje cts:
R Noteson tirepr essur e(/ page385)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page39 1)
R Tire pressur eta ble (/ page38 7) 41
2
Wheels andtires

Seat
belt..................................................... 35
Car e...... .......................................... ....3 65
Pr otect ion ..............................................3 5
Seat beltadjustment
Ac tivati ng/d eactiv ating ........... ..............39
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 39
Se at beltwa rning
see Seat belts
Seat belts ...................................................4 0
Ac tivati ng/d eactiv ating seat belt
ad jus tment ............................................ 39
Ad jus ting theheight .............................. 38
Fa stening ............................................... 38
Re duced protect ion ...............................3 6
Re leasing ...............................................3 9
Sea tbel tad jus tment (function) ............. 39
Wa rning lam p........ .......................... ...... 40
Seat cover(C are) ............ .........................365
Seat heatin g
Ac tivati ng/d eactiv ating ........... ..............87
Seat ventilat ion
Ac tivati ng/d eactiv ating ........... ..............88 Se
cond telephone .................................... 291
Conn ecting .................................... ...... 290
Fe atur es.............................................. 291
Select ingage ar
see Changing gears
Select orleve r
see DIRECT SELECTleve r
Self-t est
Au tomatic front pass engerfront air‐
bag shut off..... ....................................... 45
Sens ors(Car e).........................................3 63
Ser vicece nter
see Qualified speci alistwo rkshop
Ser vice interva ldisp lay
see ASSYST PLUS
Ser vice station search
St artin gaut omat icsear ch<0011001100110011001100110011001100110011001100110011001100110011
001100110011> 272
Se tting aspeed
see Cruise control
Se tting summ ertime .............................. 249
Se tting theda te form at ....... ................... 249
Se tting thedis tance unit........................ 254 Se
tting thema pscale
see Map
Shif tpa dd les
see Steer ing wheel paddle shifters
Shif ting gears
Gea rshif tre comme ndation <0011001100110011001100110011001100110011001100110011001100110011
00110011> 146
Shor tmessag es
see Text mes sage s
Side airbag .................................................4 0
Side impact protection ...........................1 83
Side windo ws <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 71
Child safetyloc kin there ar
passe nger com partment .......................6 2
Closin g.................................................. 71
Closin gusin gth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 73
Con venie nce closing featur e.................7 3
Con venie nce openi ng <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ....72
Opening .................................................7 1
Opening withth eSmar tKey <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 72
Pr oblem .................................................7 3
Size designation (tires) ........................... 398
Sliding sunroof
Closing .................................................. 75 51
6
Inde x