tire type MERCEDES-BENZ METRIS 2021 MY21 Operator's Manual
[x] Cancel search | Manufacturer: MERCEDES-BENZ, Model Year: 2021, Model line: METRIS, Model: MERCEDES-BENZ METRIS 2021Pages: 290, PDF Size: 4.68 MB
Page 101 of 290

&
WARNING Risk of accident and inju ry
from operating mobil ecommunications
equipment
If yo uo perat emobile communication equip‐
men twhen driving, youw ill be distracted
from thet raffic situation .Thisc ould also
cause youtol ose control of thev ehicle.
The probability of aserious or evenfatal acci‐
dent inc reases greatl yifyou operat emobile
communication equipment when driving. #
Only operat emobile communication
equipment when thev ehicle is station‐
ar y. Fo
ry our owns afet y, alwa ys obser vethef ollowing
points when operating mobile communications
equipment:
R Obser vethel egal requ irements fort he coun‐
tr yinw hichyou ar edriving.
R While driving, on lyoperat emobile communi‐
cations equipment when thet raffic conditions
permit it. Youm ayotherwise be distracted
from thet raffic condition sand cause an acci‐
dent, inju ring yourself and others.
* NO
TEDama getothed rive trai nand
engin ewhen pulling away #
Do no twarmupt he engine while the
ve hicle is stationar y.Pull away immedi‐
atel y. #
Avoid high engine speeds and driving at
full thro ttle unti lthe engine has reached
its operatin gtemperature. Exhaus
temission monitoring
Specific engine sy stems ar edesigned tokeep
poisonous components of exhaus tgases within
legal limits.
These sy stems onl yworko ptimally if they are
main tained exactly accordin gtomanufacturer's
specifications. It is fort his reason that all work
on thee ngine should onl ybeperform ed byquali‐
fi ed and authorized Mercedes-Benz Commercial
Va nC entert echnicians.
Under no circums tances shoul dengine settings
be changed. In addition ,all specific main tenance
wo rkmus tbep erform ed at regular inter vals and
in complianc ewitht he service regulations of the
dealer named in thei mp rint. Refe rtot he Mainte‐
nance Bookle tfor de tails. Note
sont he limit speed &
WARNING Risk of inju rythro ugh exceed‐
ing thes pecified tir eload-bearing capa‐
city or thep ermissible speed rating
Exceeding thes pecified tir eload rating or the
permissible speed rating ma ylea dtot ire
dama geand tothet ires bur sting. #
Therefore, onl yuse tir etypes and sizes
appr ovedfor your vehicle model. #
Obser vethet irel oad rating and speed
ra ting requ ired fory our vehicle. As
thed rive r,yo um ustfind out about them axi‐
mum permissible speed fort he tires (tir eand tire
pressure). Obser vethel egal requirements for
tires fort he countr yinwhichyou ar estayi ng.
Yo uc an permanently limit thes peed of your vehi‐
cle.
Mercedes-Benzr ecommendsaqualified special‐
is tw orks hop forp rogramming thel imit speed.
No tethat youc anno texceed aprogrammed limit
speed when overtaking.
On downhill gradients ,the limit speed ma ybe
exc eeded. Appl ythe brakes if necessar y.
Displ aymessages indica tethat youa reapproach‐
ing thel imit speed.
Information about driving abroad
Service
An extensiv eMercedes-Benz service is also avail‐
able abroad. Ne vertheless, please remember that
services or spar eparts ma ynotbe available
immediatel y.The releva nt wo rkshop directories
ar ea vailable from aMercedes-Ben zCommercial
Va nC enter.
Fu el
In some countries, onl yfuels wit hanincreased
sulfur con tent ar eavailable.
Uns uitable fuel can caus eengine damage. Yo u
can find fur ther information under "Fuel"
(/ page228).
Information about transpor tbyrail
Tr ansportin gyour vehicle byrail ma ybes ubject
to cer tain restrictions or requires pecial meas‐
ures tobe take nins omecountrie sdue tovarying
tunnel height sand loading standards.
Yo uc an obtain information about this from a
Mercedes-Benz Commercial VanC enter. Driving and pa
rking 99
Page 191 of 290

R
Remain in thev ehicle if ther oad and traf fic
conditions permit youtodosou ntilavoice
connection is es tablished wit hthe emergency
call cen tero perator.
R Base dont he call, theo perator decides
whe ther it is necessar ytocallr escue teams
and/or thep olice tothea ccident site.
R In cer tain situations dat aisalso transmitted
in thev oice channel totheM ercedes-Benz
emer gency cal lcenter.
Thi sallow sm easu resf or rescue, reco very or
to wing toaM ercedes-Ben zCommercial Van
Center tobe initiated quickl y.
If th eM ercedes-Benz emer gency cal lsyst em can‐
no tc onnect totheM ercedes-Benz emer gency
cal lcenter ,the emergency call is automatically
sent tothep ublic emer gency service scallc enter.
If no connection can be mad etothe public emer‐
ge ncy services, acorresponding message
appears inthed ispla y.In this case youm ustd ial
th ee mer gency cal lnumber 11 2onyour mobile
phone.
Ending an unin tentional emer gency call #
Vehicles without steering wheel but tons:
press the0078button in thei nstrument clus ter. #
Vehicles with steering wheel but tons:
press the0076 button on thes teering wheel. #
Close theS OS button co ver Data trans
feroft he Mercedes-Ben zemer‐
ge ncy call sy stem In
thee vent of an au tomatic or manua lemer‐
ge ncy call, as well as fora 11 2 emer gency call,
da ta is transmitte dtothe Mercedes-Benz emer‐
ge ncy cal lcenter or thep ublic emer gency serv‐
ice scallc enter.
The following dat aistransmit ted:
R Vehicle's GPS position data
R (GPS position dat aontheroute(af ewhundred me ters befor ethe incident))
R Direction of tr avel
R Vehicle identification number
R Vehicle driv etype
R Number of persons on thef ront seats
R Whe ther thee mer gency cal lwas initia ted
manually or automatically
R Time of thea ccident
R Languag esetting Fo
ra ccident clarificatio npurposes ,the following
measures can be take nu ptoa nhour af tert he
emer gency cal lhas been initia ted:
R The cur rent vehicle position can be called up
R Avoice connection tothev ehicle occupants
can be es tablished Flat tire
Note
sonf lat tires &
WARNING Risk of accident du etoaflat
tire
Af lat tir eaffects thed riving characteristic sof
th ev ehicle. #
Do no tdrive wit haf lat tire. #
Replace thef lat tir ewitht he emer gency
spa rewheel or spar ewheel. Alterna‐
tivel y,consult aqualified specialist
wo rkshop. Yo
uw illfind astickerw itht he Mercedes-Benz
Service24h telephon enumbe ronthe B-pillar on
th ed rive r's side, fore xamp le.
Fo rv ehicles wit hasparew heel, information in
th ee vent of aflat tir ecan be found under
"Wheels and tires" (/ page216). Battery
Note
sont hestar terb attery Wo
rkon theb atter y,e.g. removing or ins talling,
requ ires specialis tknowledg eand theu se of spe‐
cial tools. Therefore, alw aysh ave workon the
batter ycarried out at aqualified specialis twork‐
shop. &
WARNING Risk of an accident du eto
wo rkcar ried out incor rectl yont he bat‐
te ry
Wo rkcar ried out incor rectly on theb attery
can, fore xamp le, lead toas hor tcircuit .This
can restrict functions releva nt fors afet ys ys‐
te ms and impairt he operating saf etyofy our
ve hicle. Breakdown assis
tance 18 9
Page 206 of 290

Information on noise or unusua
ldriving
ch aracteristics
Whil edriving, pa yattention tovibrations, noises
and unusual driving characteristics, e.g .pullin gto
one side. This ma yindicat edamag etothe wheels
or tires. If yous uspect that at ireisd efective,
re duce your speed. Stop thev ehicle as soon as
possible tocheckifw heels and tires ha vebeen
damaged or ar enolonger functioning properly.
Hidden tir edamag ecould also be causing the
unusual drivin gcharacteristics. If no signs of
dama gecan be de tected, ha vethet ires and
wheels checkedataq ualified specialis twork‐
shop. Note
sonr egular lyinspecting wheels and
tires &
WARNING Risk of accident from dam‐
aged tires
Dama gedt ires can cause tir epressur eloss.
As aresult, youc oul dlose control of your
ve hicle. #
Chec kthe tires regularly fors igns of
dama geand replace an ydamaged tires
immediatel y. Chec
kthe wheels and tires of your vehicle for
damag eregular ly,i .e. at leas tevery twow eeks,
as well as af terd riving off-road or on rough
ro ads. Damaged wheels can lead toaloss of tire
pressure.
Look out fort he following types of damage, for
ex ample:
R Cuts in thet ires
R Punctures in thet ires
R Tearsint he tires
R Bulges on tires
R Deformation or se vere cor rosion on wheels &
WARNING Risk ofhydroplaning because
tir et read is tool ow
Insuf ficient tir etread will result in reduced
tir et raction .The tir etread will no longer be
able todissipat ewater.
This increase sthe risk of hydroplaning on wet
ro ad sur faces, pa rticularly when tra veling at
an inappropriat espeed. If
th et irep ressur eist oo high or tool ow ,tires
ma yexhibit dif fere nt le vels of wear at dif fer‐
ent locations on thet iret read. #
Regular lych eckt he tir etread dep thand
th ec ondition of thet iret read across
th ee ntir ew idthofa ll tires.
Minimum tread dep thforu se:
R In summer: 00CEin (3 mm)
R In winter: 00CFin (4 mm) #
Fors afet yr easons, ha vethet ires
re placed befor ethe legally prescribed
limit fort he minimum tir etread dep this
re ached. Conduct
thef ollowing checks regular lyon all
wheels, at leas tonce amonthorasr equired, e.g.
befor ealong journe yorwhen driving off- road:
R Chec kthe tir epressur e(/pag e206)
R Chec kthe valvec aps
Va lves mus tbeprotected from moistur eand
dir tw ithv alvec apss pecifically appr oved by
Mercedes-Benzf oryour vehicle.
R Visually inspect thet read dep thand thet ire
tread across thew hole tir ewidth
Fo ru se in summer ,the minimum tread dep th
is 00CE in (3 mm) and foru se in winter 00CFin
(4 mm). Markings
1showinw hichp laces theb ar indica‐
to rs (ar row )are integ ratedi ntot he tir etread.
The yarevisible as soon as thet read dep this
appr oximately 00CDin (1.6 mm). Information on driving wit
hsummer tires
At temp eratures belo w50°F(10°C) Summer
tires lose elasticit yand therefor etraction and
braking po wer.Chan gethet ires on your vehicle
to M+S tires. Using summer tires at very cold
te mp eratures could cause tear stof orm, thereby
damaging thet ires permanentl y.Mercedes-Benz 204
Wheels and tires
Page 207 of 290

canno
tacce ptresponsibility fort his type of dam‐
age.
Alw ayso bser vethem aximum permissible speed
specified fort he summer tires youh ave installed
(/ page213).
Once youh ave installed thes ummer tires:
R Chec kthe tir epressur e(/pag e206)
R Restar tt he tir epressur emonitor
(/ page209) Information on M+S tires
&
WARNING Risk of accident caused by
incor rect wheel and tir edimensions
The wheel or tir esize and thet iret ype of the
emer gency spa rewheel or spar ewheel and
th ew heel tobe replaced ma ydiffe r.
To prev ent hazardous situations: #
Adapty our driving stylea ccording lyand
driv ecarefull y. #
Neverins tall mor ethan one emergency
spar ewheel or spar ewheel that dif fers
in size. #
Onlyuse an emer gency spa rewheel or
spar ewheel of adiffe re nt size brie fly. #
Have thee mer gency spa rewheel or
spar ewheel of adiffe re nt size replaced
at then eares tqualified specialis twork‐
shop. The ne wwheel mus thave thec or‐
re ct dimensions. &
WARNING Risk of an accident du eto
insuf ficient tir etread
M+S tires wi thatread dep thof less than 00CFin
(4 mm) ar enotsuitable foru se in winter and
do no tprovide suf ficient grip. #
M+S tires wi thatread dep thof less
th an 00CFin (4 mm) mus tbereplaced
immediatel y. At
temp eratures belo w50°F(10°C) use winter
tires or all-season tires –botha remar kedw ith
M+S.
Onl ywinter tires bearing the004D snowflake
symbol in addition totheM +S marking pr ovide
th eb estp ossible grip in wintr yroad conditions.
Only these tires will allo wdriving saf etys ystems
suc hasA BS and ESP ®
to also function optimally in winter
.Thes etires ha vebeen de veloped specif‐
icall yfor driving in sno w.
Use M+S tires of thes ame mak eand tread on all
wheels tomaintain saf ehandling characteristics.
Alw ayso bser vethem aximum permissible speed
specified fort he M+S tires youh avei nstalled
(/ page213).
If yo ui nstall M+S tires that ha vealow er maxi‐
mum permissible spee dthan them aximum
design speed of thev ehicle, af fixana ppropria te
wa rning sign in thed rive r's field of vision. Yo u
can obtai nthis at aqualified specialis tworks hop.
Once youh avei nstalled thew inter tires, take the
fo llowing measures:
R checkt he tir epressur e(/pag e206)
R restar tt he tir epressur emonitor
(/ page209) Note
sons nowc hains &
WARNING Risk of accident du etoincor‐
re ctly ins talled sno wchains
If yo uh ave installed sno wchains on thef ront
wheels, they ma ydraga gains tthe vehicle
body or chassis components. #
Neverins tall sno wchains on thef ront
wheels. #
Onlyins tall sno wchains on ther ear
wheelsinp airs. &
WARNING Risk of accident du eto
unsuitable sn ow chains
Commerciall yavailable sn ow chains can
com eloose and damag echassi scomponents
or brak ehoses. #
Only ins tall sno wchains that ha vebeen
appr ovedbyM ercedes-Benzf orthese
tires. &
WARNING Risk of accident du etosnow
ch ains breaking
If yo ud rive toof astw iths nowc hains, they
can brea k,injur eother persons, and damage
th ev ehicle. #
Obser vethem aximum permissible
speed foro peration wit hsnowc hains. Wheels and tires
205
Page 212 of 290

Ve
hicles with steering-wheel but tons #
Use the0059 or00D0 button toselect
Service. #
Use the0064 or0063 button toselect Tire
Pressure. #
Press the0076 button toconfirm.
The displa yshows thec urrent tir epressures
of ea chwheel or theTire pressure will be dis-
played after driving afew minutes message. #
Press the0064 button.
The Use Current Pressures as New Refer-
ence Values: messageisshown in thed ispla y. #
Toconfir mrestar t:press the0076 button.
The Tire Press. Monitor Restarted messageis
shown in thed ispla y.
Af tery ou ha vedriven foraf ewminutes, the
sy stem checks whe ther thec urrent tir epres‐
su resa rewithin thes pecified range. The new
tir ep ressures ar ethen accep tedasr eference
va lues and monitored. #
Tocancel restar t:press the0038 button.
The tir epressur evalues stored at thel ast
re star tw ill continue tobe monitored.
Ve hicles without steering-wheel but tons
The vehicle mus tbeatastandstill .Use theb ut‐
to ns on thei nstrument clus ter. #
Press the00DC button toselect theTire Pres-
sure menu. #
Press the0078button toconfirm.
The Monitoring Active messageisshown in
th ed ispla y. #
Press the0078button toconfirm.
The TireP ressur eOK?messag eisshown in
th ed ispla y. #
Toconfir mrestar t:press the0074button.
The displa yshows theD ista nce menu.
Af tery ou ha vedriven foraf ewminutes, the
sy stem checks whe ther thec urrent tir epres‐
su resa rewithin thes pecified range. The new
tir ep ressures ar ethen accep tedasr eference
va lues and monitored. #
Tocancel restar t:press the0075button.
The displa yshows the Tire Pressure menu.
The tir epressur evalues stored at thel ast
re star tw ill continue tobe monitored. Ra
dio equipment appr oval of thet irep ressure
monitoring sy stem
Ra dio equipment appr oval numbers Countr
yRadio equipment appr oval
number
Argentina CNC
:H-12336
Model: Schrade rHSW4
Brazil MODELO: GG4
AN
ATEL: 0381-13-8001
Es te equipament ooper aem
caráter secundário, is toé, não
te md ireit oàp roteção cont rain‐
te rferência prejudicial, mesmo de
es tações do mesm otipo enão
pod ecausar inter ferê ncia asiste‐
mas operando em caráter pri‐
mário.
Jordan Kingdom of Jordan Type appr oval
fo rT yreP ressur eSensor and ECU
Manufacturer :Schrader Elect ron‐
ics Ltd.
Model :Mercedes HS Snap in 433
MHz
Ty pe Appr oval Numb er:
TRC/LPD/20 13/48
Ty pe Appr oval Numb er:L PD
Morocco AGREE PARL 'ANR TMAROC
MR79 07ANR T2013
Dat ed'agrement :05/03/20 13
Moldo va 210
Wheels and tires
Page 214 of 290

Tr
actio ngrade &
DANG ER Risk of acciden tdue toinade‐
qu atet raction
The traction grade assigned tothis tir eis
based on stra ight-ahead brakin gtraction
te sts, and does no tinclude either accelera‐
tion, cornering, hydroplaning or peak traction
ch aracteristics. #
Alwaysa dap tyour driving stylea nd
driv eatas peedtosuit thep reva iling
traf fica nd weather conditions. *
NO
TEDama getothed rive trai nfrom
wheelspin #
Avoid wheelspin. The traction grades
–fromh ighes ttolowest –
ar eA A, A, Band C. These grades relat etot he
tire's ability tocome toas tandstill on awetpave‐
ment under controlle dconditions on aspecified
U. S. go vernment test sur face mad efroma sphalt
and concr ete.
Te mp eratur egrade &
WARNING Risk of accident from tire
ove rheating and tir efailure
The temp eratur egrade fort his tir eisestab‐
lished forat iret hat is properly inflated and
no to verloaded. Excessiv espeed, underinfla‐
tion, or excessiv eloading, either separatel yor
in combination, can cause excessiv eheat
build-up and possible tir efailure. #
Obser vether ecommended tir epres‐
sures and regular lych eckt he tir epres‐
sur eofa ll tires including thes pare
wheel. #
Adjus tthe tir epressur easn ecessar y. The
temp eratur egrades ar eA(highes tgrade), B
and C. These relat etoat ire'sresis tance toheat
and its ability torelease heat on aspecified test
wheel in laborator ytests under cont rolled condi‐
tions. Sus tained high temp eratures can cause the
material of thet iretod egenerat eand reduce tire
life. In addition, excessivel yhigh temp eratures
can lead tosudden tir efailure. Grade Crefer sto
ap erform anc ewhicha ll passenger vehicle tires
mus texhibit, accordin gtotheU.S. Depa rtment
of Transpor tation's requ irements. Information on DO
Tand TIN (Tir eIdentifica‐
tion Number) U.
S. tir eregulations indicat ethat everyt irem an‐
ufacturer or retreade rmustimp rint aT IN in or on
th es ide wall of eac htirep roduced. %
The dat
ashown in thei llustration is sample
data.
The TIN is aunique identification number fort ires
and consists of thef ollowing components:
R DOT(Department of Transportation): tire
symbol 1indicates that thet irec omplies
wit hthe requ irements of theU .S. Depa rtment
of Transpor tation.
R Manufacturer identi fication code: manu‐
fa cturer identification code 2prov ides infor‐
matio nabout thet irem anufacturer .New tires
ha ve ac odew itht wo symbols. Retreaded
tires ha veac odew ithf our symbols.F or fur‐
th er information about retreade dtires, see
(/ page 216).
R Tire size: identifier 3describes thet ires ize.
R Tire type code: tiret ypec ode 4can be
used bythem anufacturer as acode to
describe specific characteristic softhe tire.
R Dat eofm anufactu re:date of manufacture
5 prov ides informatio nabout thea geof a
tire. The 1s tand 2nd number sindicat ethe
calendar week and the3 rdand 4t hnumbers
indicat ethe year of manufactur e(e.g. "3208"
re fers to the3 2ndw eek of they ear 2008). 212
Wheels and tires
Page 215 of 290

Information on maximum tir
eload %
The dat
ashown in thei llustration is sample
data.
Maximum tir eload 1isthem aximum permissi‐
ble weight forw hichthe tir eisa pprove d.
Do no toverload thet ires by ex ceeding them axi‐
mum permissible load. The maximum permissible
load can be found on thev ehicle's Tire and Load‐
ing In form atio nplacar dont he B-pillar on thed riv‐
er's side . Information on maximum tir
epressure %
The dat
ashown in thei llustration is sample
data.
Maximum permitted tir epressure 1mus tnever
be exc eeded. Alw ayso bser vether ecommended
tir ep ressur efor your vehicle when adjusting the
tir ep ressur e(/pag e207). Information on tir
echaracteristics %
The dat
ashown in thei llustration is sample
data.
This information describes thet ype of tir ecord
and then umber of la yers in side wall1 and
under tir etread 2. Ti
re size designation, load-bearing capacity,
speed ratin ga nd load index &
WARNING Risk of inju rythro ugh exceed‐
ing thes pecified tir eload-bearing capa‐
city or thep ermissible speed rating
Exceeding thes pecified tir eload rating or the
permissible speed rating ma ylea dtot ire
dama geand tothet ires bur sting. #
Therefore, onl yuse tir etypes and sizes
appr ovedfor your vehicle model. #
Obser vethet irel oad rating and speed
ra ting requ ired fory our vehicle. 1
Firstletter(s)
2 Nominal tir ewidthinm illimeters
3 Aspect ratio (i npercent)
4 Tire code
5 Rimd iame ter
6 Load-bearing index
7 Load index
8 Speed rating
% The da
tashown in thei llustration is sample
data.
Fu rther information about reading tir edatac an
be obtaine dfroma nyqualified specialis twork‐
shop.
First letter(s) 1 1:
R "LT": light truc ktires in acco rdanc ewithUS
manufacturer standards.
R "C": tires forc ommercial usage in accordance
wit hE uropean manufacturer standards. Wheel
sand tires 213
Page 216 of 290

Aspec
tratio (in percent) 3 3:
The size ratio betwee nthe tir eheight and tire
widt hand is shown in percent (tir eheight divided
by tirew idth ).
Tir ec ode 4
4 (tire type):
R "R": radial tire
Rim diam eter 5 5:
The diame teroft he bead seat (no tthe diame ter
of ther im flange). The rimd iame teriss pecified in
inches (in).
Load-bearing index 6 6:
Nu merical code whic hspecifies them aximum
load-bearing capacity of atire( "91" equals, e.g.
1, 356 lb (6 15kg)).
Th et irel oad-bea ring capacity mu stbe at least
half theg ross axle weight rating of thev ehicle.
Do no toverload thet ires by ex ceeding them axi‐
mum permissible load.
See also:
R Maximum permissible load on theT irea nd
Loading In form atio nplacard
R Maximum tir eload (/ page213 )
R Load index
Spee drating 8 8:
Specifies thea ppr ove dm aximum speed of the
tire.
% An electroni
cspeed limiter pr events your
ve hicle from exceeding aspeed of 130m ph
(2 10 km/h).
Ensu rethat your tires ha vether equired speed
ra ting .You can obtain information on the
re qu ired speed rating at aMercedes-Benz Com‐
mercial VanC enter.
Summe rtires Inde
xS peedrating
LU pto75mph (120 km/h)
MU pto81mph (130 km/h)
NU pto87mph (140 km/h)
PU pto93mph (150 km/h)
QU pto100mph(160k m/h)
RU pto106mph(170k m/h) Summer
,all-season and winter tires Inde
xS peedrating
LM +S1
Upto75 mph(120k m/h)
MM +S1
Upto81 mp h(130k m/h)
NM +S1
Upto87 mph(140k m/h)
PM +S1
Upto93 mph(150k m/h)
QM +S1
Upto100m ph (160 km/h)
RM +S1
Upto118m ph (170 km/h) 1
:or" M+S 004D"f or winter tires.
Wi nter tires ar emarke dw itht he 004D snowflake
symbol and fulfill ther equirements of theR ubber
Manufacturer sAssociation (RMA) and theR ubber
Associatio nofCanada (RAC) rega rding thet ire
traction on sno w.
Load index 7 7:
R "Light load": light load tire
R "C": commercial tires Information on definitions (tires and load‐
ing)
Ti re stru ctu reand characteristics: describes
th en umber of la yers or then umber of rubber-
coated la yers inthet iret read and thet irew all.
These ar emade of steel, nylon, pol yester and
ot her materials.
Bar: metric unit fort irep ressu re.
14 .5038 pounds per squar einc h( psi) and
10 0k ilopascals (kPa) ar ethe equivalent of 1bar.
DO T(Department of Transportation): DOT
mar kedt ires fulfill ther equirements of the
U. S. Depa rtment of Transpor tatio n.
Av erag eweight of vehicl eoccupants: the
number of occupants forw hichthe vehicle is
designed multiplied by150lbs (68 kg).
Un ifor mT ireQ uality Grading Standards: auni‐
fo rm standar dtog rade theq uality of tires with
re ga rdstot read quality ,tiret raction and temp er‐
atur echaracteristics. The quality grading assess‐
men tism adebythem anufacturer in accordance
wit htests pecifications of theU .S. go vernment.
The quality grade of atireisi mprinted on the
side wall of thet ire.
Re commended tir epressu re:ther ecommen‐
ded tir epressur eist he pressur especified fort he
tires ins talled on thev ehicle at thef actor y. 214
Wheels and tires
Page 218 of 290

cation code
,tires ize,tiret ypec ode and them an‐
ufacturing date.
Load-bearing index: thel oad-bearing inde x(also
load index) is acode that con tains them aximum
load-bearing capacity of atire.
Tr action: traction is ther esult of friction between
th et ires and ther oad sur face.
We ar indicator: narrow bars(tread wear bars)
th at ar edistributed overthe tir etread. If thet ire
tread is le velw itht he bars, thew ear limit of
1/1 6in( 1.6m m) has been reached.
Distribution of vehicl eoccupants: distribution
of vehicle occupants overdesignated seat posi‐
tions in avehicle.
Maximum permissible pa yload weight: nomi‐
nal load and luggag eload plus 150lbs (68 kg)
multiplied bythen umber of seats in thev ehicle. Changing
awheel Note
sons electing, installing and replacing
tires Yo
uc an ask fori nformation rega rding permit ted
wheel/tir ecombinations at aqualified specialist
wo rkshop. &
WARNING Risk of inju rythro ugh incor‐
re ct size sofwheels and tires
If wheels and tires of thew rong size are
ins talled, thew heel brakes or components in
th eb rake system and in thew heel suspen‐
sion ma ybedamaged. #
Alwaysr eplace wheels and tires with
th ose that fulfill thes pecification softhe
original part.
Fo rw heels, pa yattention tothef ollowing:
R Designation
R Type
Fo rtires, pa yattention tothef ollowing:
R Designation
R Manufacturer
R Type &
WARNING Risk of inju rythro ugh exceed‐
ing thes pecified tir eload-bearing capa‐
city or thep ermissible speed rating
Exceeding thes pecified tir eload rating or the
permissible speed rating ma ylea dtot ire
dama geand tothet ires bur sting. #
Therefore, onl yuse tir etypes and sizes
appr ovedfor your vehicle model. #
Obser vethet irel oad rating and speed
ra ting requ ired fory our vehicle. *
NO
TEVehicle and tir edamag ethrough
tir et ype sand sizes that ha venotb een
appr oved Fo
rs afet yr easons, onl yuse tires, wheels and
accesso ries whic hhave been specially
appr ovedbyM ercedes-Benzf oryour vehicle.
These tires ha vebeen speciall yadap tedf or
use wit hthe contro lsystems, suc hasABS or
ESP ®
.
Otherwise, cer tain properties ,suc hash an‐
dling characteristics, vehicle noise and con‐
sum ption could be adversel yaffected. Fur‐
th ermore, other tir esize could result in the
tires rubbing agains tthe body and axle com‐
ponents when loaded. This could result in
damag etothe tireort hevehicle. #
Onlyuse tires, wheels and accessories
th at ha vebeen checkeda nd recommen‐
ded byMercedes-Benz. *
NO
TEDriving sa fety pu tatriskbyretrea‐
de dt ires Re
treade dtires ar enotcheckedorr ecom‐
mended byMercedes-Benz, as pr evious dam‐
ag eisn otalw aysd etected during ther etre ad
process.
Driving sa fety cannot, therefore, be guaran‐
te ed. #
Do no tuse used tires when their pr evi‐
ous usag eisunknown. *
NO
TEPossible wheel and tir edamage
when driving overobstac les Lar
gewheels ha vealow er tir esection width.
As thes ection widt hdecreases, ther isk of
wheel sand tires being damaged when driving
ove robstacles increases. 216
Wheels and tires
Page 219 of 290

#
Avoid obs tacles or driv eoverthem with
particular care. #
Reduce speed when driving overcurbs,
speed bumps, manhol ecoversa nd pot‐
holes. #
Avoid especially high curbs. *
NO
TEDama getoelectronic component
parts thro ugh theu se of tire-ins talling
to ols Ve
hicles with atirep ressur emonitoring
sy stem: ther ea reelectronic component
parts in thew heel. Tire -ins talling tools should
no tbea pplied in thea reaoft hevalve.
Otherwise, thee lectronic componen tparts
could be damaged. #
Alwaysh ave tires changed at aqualified
specialis tworks hop. Ac
cessories that ar enotappr ovedfor your vehi‐
cle byMercedes-Benz, or ar enotbeing used cor‐
re ctly ,can impair ope rating sa fety.
Befor epurch asing and using non-appr oved
accesso ries, visit aqualified specialis tworks hop
and inquir eabout:
R Suitability
R Legal stipulations
R Factor yrecommendations
Obser vethef ollowing points when selecting,
ins talling and replacing tires:
R Use onl ytires and wheels of thes ame type,
design (winter tires, all-season tires) and
make.
R Onlyins tall wheels of thes ame size and tread
design on one axle (lef tand right).
It is onl ypermissible toins tallad iffe re nt
wheel size tothis in thee vent of aflat tir ein
order todriv etot he specialis tworks hop.
R Onlyins tall tires of thec orrect size ont othe
wheels.
R Ve
hicles with atirep ressur emonitoring
sy stem: all ins talled wheels mus tbeequip‐
ped wit hfunctioning sensor sfor thet irep res‐
sur em onitoring sy stem.
R Attemp eratures belo w50°F (10°C) use win‐
te rt ires or all-season tires wit hthe M+S
marking on all wheels. Wi
nter tires bearing the004D snowflak esym‐
bol in addition totheM +S marking pr ovide
th eb estp ossible grip in wintr yroad condi‐
tions.
R Only use tires wit hthe same tread.
R Obser vethem aximum permissible speed for
th ei nstalled tires.
If th is is belo wthe vehicle's maximum per‐
missible speed, this mus tbeindicated in an
appropriat elabel in thed rive r's field of vision.
R Break in ne wtires at moderat espeeds fort he
fi rs t60m iles (100 km).
R Replace thet ires af ters ixyearsatt he latest,
re ga rdless of wear.
Fo rm orei nformation on wheels and tires, con‐
ta ct aq ualified specialis tworks hop.
Be sur etoalso obse rvet he following fur ther rela‐
te ds ubjects:
R Notesont irep ressur e(/pag e206)
R Tire and Loadin gInforma tionp lacard
R Tire size designation, load-beari ng capacity,
speed rating and load ind ex (/pag e213 )
R Tire pressur etable
R Notesont he emer gency spa rewheel
(/ page222) Note
sonc hanging wheels &
WARNING Risk of inju rythro ugh dif fer‐
ent whee lsizes
Inter changing thef ront and rear wheels if the
wheels or tires ha vediffere nt dimensions may
se verely impair thed riving characteristics.
The wheel brakes or wheel suspension com‐
ponent smayalso be damaged. #
Rotate front and rear wheels onl yifthe
wheels and tires ar eofthe same dimen‐
sions. On
vehicles that ha vethes ame size front and
re ar wheels ,rotatet he wheels according tothe
inter vals in thet irem anufacturer's warrant ybook
in your vehicle documents. If this is no tavailable,
ro tate thet ires every3,000 (5,000) to
6,000 mile s(10 ,000 km) ,depending on the
degree of wear.E nsuret hat thed irection of rota‐
tio nism aintained. Wheel
sand tires 217