wheel MERCEDES-BENZ E CLASS 2020 Manual Online

R
Impai reddr iving comfort.
R Suscep tibilitytodamag e. &
WARNIN GRisk ofacci dent caused by
re peat eddrop intirepr essur e
If th etir epr essur edr ops repeat edly,th e
wheel, valve or tirema ybe damag ed.
Insuf ficie nttirepr ess urecan causethetir es
to bur st. #
Inspect thetir efo rsigns offore ign
obje cts. #
Chec kwhe ther thewheel orvalve has a
leak . #
Ifyo uar eunab leto rectify thedamag e,
con tact aqu alif ied spec ialistwo rkshop. Yo
ucan find informa tionon tirepr ess urefo rth e
ve hicle's fact or y-ins talled tires on thefo llo wing
labels:
R Tire and Loadi ngInfo rm atio nplacar don the
B‑pil larof your vehicle (/page40 7).
R Tire pressur eta ble ontheinside ofthefuel
fi ller flap (/ page40 1). Obse
rveth emaximum tirepr essur e
(/ page41 3).
Use asui table pressur ega ug eto checkth etir e
pr essur e.The outerappear anceofatir edoes
no tper mit anyre liable conclusion aboutthetir e
pr essur e.
Ve hicl eswith atir epr ess uremonit oring sys‐
te m: Youcan also checkth etir epr essur eusing
th eon- board computer.
Onl ycor rect tirepr ess urewhe nth etir es are
cold. Condition sfo rcold tires:
R The vehicle hasbeen parkedwit hth etir es
out ofdir ect sunlight forat lea stthre ehour s.
R The vehicle hastrave led less than 1mile
(1 .6 km ).
A rise inthetir ete mp eratur eof 18 °F(10 °C)
incr eases thetir epr essur eby appr ox.10 kPa
(0. 1ba r/1 .5psi ).Ta ke this int oacc ount when
ch ecking thetir epr essur eof wa rm tires .
Th etir epr es su re recomme ndedforincr ease d
loa d/spee din thetir epr essur eta ble can affect
th eride comf ort. &
WARNIN GRisk ofacci dent dueto
uns uitable accessories ontireva lve
If yo umoun tuns uitable accessories onto tire
va lves, thetir eva lves ma ybe ove rloaded and
malfunct ion,whic hcan cause aloss oftire
pr essur e.Afterm arke ttir epr es su re monit or‐
ing systems willcause thetir eva lve to
re main open, depending onthedesign. This
can also result inaloss oftirepr essur e. #
Onlyscr ew standar dva lve caps orvalve
cap sspe cifica llyapprove dby
Mer cedes-Ben zfo ryo ur vehicle onto
th etir eva lve. Ti
re pres sur etab le The
tirepr ess ureta ble ison theinside ofthe
fuel filler flap.
% The datasho wnintheimag esisexam ple
dat a. Whee
lsand tires 40
1

The
tirepr essur eta ble showsthere comme nded
tir epr ess urefo rall 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(/ page41 4).
Be sureto also obse rveth efo llo wing further
re lat ed subje cts:
R Noteson tirepr essur e(/ page400)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page40 7) R
Max imum tirepr essur e(/ page41 3) Che
cking tirepr essur esma nuall y #
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. 402
Wheels andtires

Fu
rther relat ed subje cts:
R Noteson tirepr essur e(/ page400)
R Tire pressur eta ble (/ page40 1)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page40 7) 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 placard ortireinf 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
pr essur ete lltale when oneormor eof your
tir es issign ifican tly und er-in flat ed. Accor d‐
ingl y,when thelow tirepr essur ete lltale illu‐
min ates, yousho uld stop and checkyo ur
tir es assoo nas poss ible, andinflateth em to
th epr oper pressur e.Driving onasignif i‐
cant lyunder -inflated tirecauses thetir eto
ove rheat and canlead totirefa ilur e.Un der -
inf lation alsoreduces fuelefficie ncy and tire
tr ea dlife ,and mayaf fect theve hicle ’shan‐
dling andstopping ability.
Please note that theTPMS isno ta subs titute
fo rpr oper tiremaint enance, anditis the
dr iver ’s responsibili tyto maint aincorrect tire
pr ess ure, eve nif und er-inf latio nha sno t
re ac hed theleve lto trig ge rill umina tionof
th eTPMS low tirepr essur ete lltale.
Yo ur vehicle hasalso been equipped witha
TPMS malfunction indicatortoindic atewhen
th esy stem isno toper ating proper ly.The
TPMS malfunct ionindicat oriscombin edwith th
elow tirepr essur ete lltale. When thesy s‐
te m detects amal functi on,thete lltale will
fl ash forapp roxima tely one minut eand then
re main continuously illumina ted. This
seq uence willcontinue upon subseq uent
ve hicle star t-ups aslon gas themalfunct ion
ex ists.
When themalfunct ionindicat orisillumina‐
te d, thesy stem mayno tbe able todetect or
sig nal low tirepr ess ureas intende d.TPM S
mal functi onsmayoccu rfo ra va riet yof rea‐
son s,inc ludin gth eins tallation ofreplace‐
ment oralternat etir es orwheels ontheve hi‐
cle that preve nttheTPMS from func tioning
pr oper ly.
Alw aysch eckth eTPMS malfunct iontelltale
af te rre placing oneormor etir es orwheels
on your vehicle toensur eth at there place‐
ment oralternat etir es and wheels allowthe
TPMS tocontinu eto function proper ly. The
system checks thetir epr essur eand thetir e
te mp eratur eof thetir es installed ontheve hicle
by means ofatir epr essu resensor . Wheels
andtires 403

Ne
wtirepr essur esensor ,e.g. inwint ertires, are
aut omatically taught -indur ing thefirs tjou rney
th ey areused.
The tirepr essur eand thetir ete mp eratur e
appear inthemultifunc tiondispla y
(/ page404).
If th er eis asubs tantia lpr ess ureloss orifth e
tir ete mp eratur eis exc essiv e,youwill bewarned
in thefo llo wing ways:
R viadisp lay messa ges(/ page485)
R viathe0077 warning lam pin theins trument
clus ter(/ page506)
The tirepr essu remonit oring system isonl yan
aid. Itis thedr iver's responsibili tyto setth etir e
pr essur eto there comme ndedcoldtirepr ess ure
su itab leforth eoper ating situation .Se tth etir e
pr essur efo rcold tires using atir epr essu re
ga ug e. No tethat thecor rect tirepr ess urefo rth e
cur rent operati ng situa tionmu stfirs tbe taught -
in to thetir epr essur emonit oring system.
In mos tcases, thetir epr essur emonit oring sys‐
te m wil lau tomatical lyupd ateth ene wrefere nce
va lues afte ryo uha ve chang edthetir epr essur e.
Yo ucan ,ho we ver,also updat eth ere fere nce val‐ ues
byrestar tin gth etir epr essur emonit oring
sy stem manually (/page405).
Sy stem limit s
The system maybe impair edorma yno tfunc tion
in thefo llo wing situat ions:
R thetir epr essur ehas been setincor rectl y
R ther eis asudden pressur eloss caused, for
ex am ple, byafo re ign obje ctpene tratin gth e
tir e
R ther eis amalfunct ioncaused byano ther
ra dio signal source
Mak esur eto obser vethefo llo wing further rela‐
te dsubjec t:
R noteson tirepr essur e(/ page400)
Chec kingthetir epr essur ewit hth etir epr es‐
sur emoni toring system
Re quirement s:
R The ignit ionisswitc hedon. On-
boar dcom puter:
4 Service 5
Tires
One ofthefo llo wing displa ysappear s:
R Cur rent tirepr ess ureand tirete mp eratur eof
th eindividual wheels: R
Tire pressure willbedisplayed afterdriving a
few minutes
R Tire Pressure MonitorAct ive: thete ac h-in
pr oce ssofthesy stem isno tye tcomple te.
The tirepr essur esarealr eady being moni‐
to re d. #
Com pareth etir epr essur ewit hth ere com‐
mend edtirepr ess urefo rth ecur rent operat‐ 40
4
Whe elsand tires

ing
con dition (/page40 1). Obser vethe
no teson tirete mp eratur e(/ page400).
% The values displa yedin themultifunc tiondis‐
pla yma yde viat efrom those ofthetir epr es‐
sur ega ug eas they referto sea leve l.At high
altitudes, thetir epr essur eva lue indic ated by
a pr essur ega ug ear ehigh erthan those
sho wnbytheon- boar dcom puter.In this
case, donotre duce thetir epr essur e.
Mak esur eto obser vethefo llo wing further rela‐
te dsubjec t:
R Noteson tirepr essur e(/ page400)
Re star ting thetir epr essur emoni toring sys‐
te m
Re quirement s:
R The recomme ndedtirepr ess ureis cor rectl y
se tfo rth ere spectiv eoper ating status on
eac hof thefo ur wheel s(/ page40 0).
Re star tth etir epr essur emonit oring system in
th efo llo wing situat ions:
R The tirepr essur ehas chang ed.
R The wheels ortires have been chang edor
ne wlyins talled. On-
boar dcom puter:
4 Service 5
Tires #
Swipe down wardson Touc hCon trol on the
lef t-hand sideofthesteer ing wheel.
The Use Current Pressures asNew Refer-
ence Values? messageis sho wninthemulti‐
func tion displa y. #
Tobegin restar t,pr ess Touc hCon trol on the
lef t-hand sideofthesteer ing wheel.
The Tire Press. MonitorRestart edmessag eis
sho wninthemultifunc tiondispla y.
Cur rent wa rning mess ages aredele tedand
th eye llo w0077 warning lam pgoes out.
Af teryo uha ve been driving fora fe w
minut es,thesy stem checks whe ther thecur‐
re nt tirepr ess ures arewi thin thespecif ied
ra ng e. The current tirepr ess ures areth en
accep tedas refere nce values andmon itor ed.
Mak esur eto obser vethefo llo wing further rela‐
te dsubjec t:
R Noteson tirepr essur e(/ page400) Ra
dio -equipme ntappr oval of thetir epr es‐
sur emoni toring system
Ra dio equipme ntappr oval number s Co
untr yR adioequipment approval
number
Ca nada IC:2546A -AG5S P4 Whee
lsand tires 405

Count
ryRadio equipme ntappr oval
number
US AF CCID:MRXA G5SP4
FCC ID:MRXM FR
This devic eco mp lies withPa rt15
of theFCC Rules. Opera tionis
subje ctto thefo llo wing twocon ‐
dition s:
(1) This device mayno tcause
har mful interfere nce, and
(2) Thisde vice mustacc eptan y
int erfere nce recei ved, includin g
int erfere nce that ma ycaus e
unde sired oper ation.
CA UTION:
An ych ang esormodi ficati onnot
ex pressl yappr oved bythepar ty
re sponsible forcom pliance could
vo id theuser's author itytooper‐
at eth is eq uipmen t. Fu
rther information onthedeclar ationofcon ‐
fo rm ity forwir eles sve hicle component s
(/ page26). Ti
re pres sur elo ss wa rning system Fu
nction ofthetir epr essur eloss warning
sy stem
The tirepr essur eloss warning system warnsth e
dr iver by means ofdisp lay messa geswhen ther e
is ase vere tirepr es su re loss.
Af tera ch ang ein tirepr essur e,awheel rotatio n
or atir ech ang e,or ifyo uha ve re-ins talled
wheels ortires, thetir epr essur eloss warning
sy stem has tobe restar ted(/ page406) .
The tirepr essur eloss warning system does not
re place theneed toregular lych eckth etir epr es‐
sur e.
Sy stem limita tions
The system maybe impair edorma yno tfunc tion
par ticular lyin thefo llo wing situat ions:
R Incorrectly settir epr ess ure
R Sud den press urelos scau sed,fo rex am ple,
by afo re ign obje ctpene tratin gth etir e R
Steady pressur eloss inseveraltir es
The system has are strict ed ordel aye dfunc tion
par ticular lyin thefo llo wing situat ions:
R Poor ground condit ions,e.g.snowor gra vel
R Driving with sno wch ains
R When adoptingave ry spor tydriving style
wit hhigh corner ing speeds orsudden accel‐
er ation
R Drivin gwit hahigh load
Be sureto also obse rveth efo llo wing further
re lat ed subje cts:
R Noteson tirepr essur e(/ page400)
R Displa ymessag esabout thetir es
(/ page485)
Re star ting thetir epr essur eloss warning
sy stem
Re quirement s:
R The recomme ndedtirepr ess ureis cor rectl y
se tfo rth ere spectiv eoper ating status on
eac hof thefo ur wheel s(/ page40 0). 406
Wheelsand tires

Re
star tth etir epr essur eloss warning system in
th efo llo wing situat ions:
R The tirepr essur ehas chang ed.
R The wheels ortires have been chang edor
ne wlyins talled.
On- boar dcom puter:
4 Service 5
Tires #
Swipe down wardson Touc hCon trol on the
lef t-hand sideofthesteer ing wheel.
The Tire Pressure ControlSystem
Act iveR estart :Press Touch Controlmessag e
is sho wninthemultifunc tiondispla y.
Re star tth etir epr essur eloss warning system in
th efo llo wing situat ions:
R The tirepr essur ehas chang ed.
R The wheels ortires have been chang edor
ne wlyins talled. #
Tobegin restar t,pr ess Touc hCon trol on the
lef t-hand sideofthesteer ing wheel.
The Tire Pressure NowOK?messag eis
sho wninthemultifunc tiondispla y. #
Select Yes. #
Toconf irm restar t,pr ess Touc hCon trol on
th elef t-hand sideofthesteer ing wheel.
The Run FlatIndic atorRestart edmessag eis
sho wninthemultifunc tiondispla y.
Af teryo uha ve driven fora fe w min utes, the
tir epr es su re loss warning system monit ors
th ese ttir epr essur esofall thetir es.
Be sureto also obse rveth efo llo wing further
re lat ed subje cts:
R Noteson tirepr essur e(/ page400) Loading
theve hicl e No
teson Tire and Loading Information plac‐
ar d &
WARNIN GRisk ofacci dent from overloa‐
ded tires
Ov erloaded tires ma yov erheat andburstas a
con sequenc e.Ov erloaded tires can also
im pair thesteer ing and handling charact eris‐
tic sand lead tobrak efa ilur e. #
Obser vetheload-bear ingcapacity of
th etir es. #
The load-bear ingcapacity mustbe at
leas thalf thegr oss axle weight rating of
th eve hicle. #
Neverove rload thetir es by exc eeding
th emaximum load. The
Tire and Loadi ngInfo rm atio nplacar dis on
th eB-pillar onthedr iver's side oftheve hicle. 1
Tire and Loadi ngInfo rm atio nplacar d Whee
lsand tires 40
7

%
The datasho wnintheillus tration isexam ple
dat a.
The Tire and Loadi ngInfo rm atio nplacar dsho ws:
R Maximum numberofseats 2accor dingto
th emaximum numberofpeople permitt edto
tr ave lin theve hicle.
R Maximum permissible load3com prises the
gr os swe ight ofall vehicle occupants, load
and luggage. R
Recomme ndedtirepr ess ures 1 forcold
tir es. The recomme ndedtirepr ess ures are
va lid forth emaximum permissible loadand
up tothemaximum permissible vehicle
speed.
Please alsonote:
R Information onper missib lewe ight sand loads
on theve hicle identif ication plate
(/ page432).
R Information ontirepr essur ein thetir epr es‐
sur eta ble (/ page40 1).
Fu rther relat ed subje cts:
R Determ inin gth emaximum permissible load
(/ page408)
R Noteson tirepr essur e(/ page400). Ste
psforDe term ining Correct Load Limit The
follo wing steps have been developed as
re qu ired ofall manuf acturersunder Title 49,
Co de ofU.S. Feder alRe gulations, Part57 5, pur‐
sua nttothe"N ational Traf fic and MotorVe hicle
Saf etyAc tof 1966". #
(1):Locat eth est at emen t"The combined
we ight ofocc upant sand cargoshould never
exc eed XXX kgorXXX lbs." onyour vehicle's
placar d. #
(2): Determ ine thecombin edweight ofthe
dr iver and passeng ersth at will beriding in
yo ur vehicle. #
(3): Subtr actthecombin edweight ofthe
dr iver and passeng ersfrom XXX kgor
XXX lbs. #
(4): The resulting figur eeq uals theav ailable
amoun tof car goand luggageload capac ity.
Fo rex am ple, ifth e"XXX" amount equals
14 00 lbs. and ther ewill befive 150lb pas ‐
seng ersin your vehicle, theamount ofavaila‐
ble cargoand luggageload capac ityis
65 0lbs. (140 0-75 0(5 x15 0) =650 lbs.) #
(5):De term ine thecombin edweight oflug‐
ga ge and cargobein gloaded ontheve hicle.
The weight mayno tsaf elyexc eed theav aila‐
ble cargoand luggageload capac itycalc ula‐
te din Step 4. #
(6): Ifyo ur vehicle willbetowing atrailer ,
load from your trailer willbetrans ferred to 408
Wheels andtires

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 weight andthemaxi‐
mum gross axle weight rating ofyour vehicle are
no texc eeded. Details can befound ontheve hi‐
cle 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(/page409)
R Tire and Loadi ngInfo rm atio nplacar d
(/ page40 7)
R Tire pressur eta ble (/ page40 1)
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(/ page40 7).
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 409

Ste
p2 Ex
am ple 1E xamp le2
Nu mb erofpeople intheve hicle (driver and
occupants) 51
Dis trib uti on oftheoccupant sF ront:2
Re ar:3 Fr
ont :1
We ight ofocc upant sO ccupant1:150lbs (68 kg)
Occupant 2:180lbs (82 kg)
Occupant 3:160lbs (73 kg )
Occupant 4:140lbs (63 kg)
Occupant 5:120lbs (54kg ) Occupant
1:200 lbs(91 kg )
To talwe ight ofall occ upant s7 50lbs (340 kg)2 00lbs (91 kg ) Ste
p3 Ex
am ple 1E xamp le2
Pe rm issible load(maxim umgros sve hicle weight
ra ting from theTire and Loadi ngInfo rm atio n
placar dmin usthegr oss weight ofall occ upant s)15
00 lbs (680 kg)00F8 75 0lbs (340 kg)= 75 0lbs
(340 kg) 15
00 lbs (680 kg)00F8 200 lbs(91 kg )= 13 00 lbs
(589 kg) 41
0
Wheels andtires