Information on maximum tir
epressu re %
The dat
ashown in thei llustration is sample
data.
Maximum permitted tir epressure 1,whichis
permitted fort he tires mus tnotbe exceeded.
Exception: whe nusing the2 25/ 75R16C
12 1/120R (122L) tires as aspare wheel on the
re ar axle of Supe rSinglev ehicles wit hadista nce
limit of 62 mi (100 km) and speed limit of 34 mph
(55 km/h). 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 rating or the
permissible 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
Prefixing letter
2 Nominal tir ewidthinm illimeters
3 Aspect ratio (i npercent)
4 Tire code
5 Rimd iame ter
6 Load-bearing index
7 Speed rating
8 Loadind ex
% The dat
ashown in thei llustration is sample
data.
Fu rther information about reading tir edatac an
be obtaine dfroma nyqualified specialis twork‐
shop.
Prefixing letter 1 1:
R "LT": light truc ktires in accordance wit hUS
manufacturer standards.
R "C": tires forc ommercial usage in accordance
wit hE uropean manufacturer standards.
Aspect ratio (i npercent) 3 3:
The size ratio betwee nthe tir eheight and tire
widt hand is shown in percent (tir eheight divided
by tirew idth ).
Ti re code 4 4(tiretype):
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:
Numerical code whic hspecifies them aximum
load-bearing capacity of atire( "91" equals, e.g.
13 56 lb (6 15kg)).
The tir eload-bearing capacit ymustbeatl east
half theg ross axle weight rating of thev ehicle. Wheels and tires
215
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 nplacar d(/pag e210)
R Maximum tir eloa d( /pag e214 )
R Load index
Speed rating 7 7:
Specifie sthe appr ovedm 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 an au thorized Mercedes-
Benz Center.
Summer tires 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
8 8:
R "Light load": light load tires
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.
The Tire and Loadin gInforma tionp lacar dcon‐
ta ins ther ecommended tir epressures forc old
tires, them aximum permissible load and the
maximu mpermissible vehicle speed.
The tir epressur etable con tains ther ecommen‐
ded tir epressu resf or cold tires under various
operating conditions, i.e. load and/or speed of
th ev ehicle.
Increased vehicl eweight due tooptional
equipment: thec ombined weight of all standard
and optional equipmen tavailable fort he vehicle,
re ga rdless of whe ther it is actually ins talled on
th ev ehicle or not.
Rim: thep artoft he wheel on whic hthe tir eis
ins talled.
GA WR (Gross AxleW eightRating): GAWR is the
gross axle weight rating .The actual load on an
axl em ustn eve rexceed theG ross Axle Weight 216
Wheels and tires
Ra
ting .You can find theG ross Axle Weight Rating
on theB -pillar on thed rive r's side.
Speed rating: thes peed rating is pa rtof thet ire
identification .Itspecifies thes peed rang ef or
whic hatireisa pprove d.
GV W( Gross Vehicl eW eight): theG ross Vehicle
We ight includes thew eight of thev ehicle includ‐
ing fuel, tools, thes par ew heel, accessories
ins talled, occupants, luggag eand thet railer
dr aw bar nose weight if applicable. The Gross Vehi‐
cle Weight mus tnever exceed theG ross Vehicle
We ight Rating (GVWR )specifie donthe B-pillar on
th ed rive r's side.
GV WR (Gross Vehicl eW eight Rating): the
GV WR is them aximum permitted gross weight of
th ef ully laden vehicle (weight of thev ehicle
including all accessories, occupants, fuel, lug‐
ga ge and thet railer dr awbar nose weight if appli‐
cable). The Gross Vehicle Weight Rating is speci‐
fi ed on thev ehicle identification plat eonthe B-
pillar on thed rive r's side.
Maximum weight of thel aden vehicle: the
maximu mweight is thes um of thev ehicle's curb
we ight ,weight of thea ccessories, maximum load
and thew eight of thef actor yins talled optional
equipment.
Kilopascal (kPa): metric unitfort irep ressu re.
6.9 kP aarethee quivalent of 1psi. Ano ther unit
fo rt irep ressu reis bar .100 kilopascals (kPa) are
th ee quivalent of 1bar.
Load index: in additiontothel oad-bearing index,
th el oad inde xmayalso be imprinted on thes ide‐
wa ll of thet ire. This specifies thel oad-bearing
capacity mor eprecisel y.
Cur bw eight: thew eight of avehicle wit hstand‐
ar de quipmen tincludin gthe maximum capacity
of fuel, oil and coolant. It also includes thea ir-
conditioning sy stem and optional equipment if
th ese ar einstalled on thev ehicle, but does not
include passenger sorluggage.
Maximum tir eload: them aximum tir eload is
th em aximum permissible weight in kilog rams or
lbs forw hichat ireisa pprove d.
Maximum permissible tir epressure: maximum
permissible tir epressur efor one tire.
Maximum load on one tire: maximum load on
one tire. This is calculated bydividing them axi‐
mum axle load foro ne axle bytwo.
PSI (pounds per squar einch): standar dunit of
measuremen tfor tir epressu re. Aspec
tratio: relationship between tir eheight
and tir ewidthinp ercent.
Ti re pressure: pressureinside thet irea pplying
an outwar dforce toeve rysquar einc hoft he
tire's sur face. The tir epressur eiss pecified in
pounds per squar einc h( psi), in kilopascal (kPa)
or in bar .The tir epressur eshould onl ybecorrec‐
te dw hen thet ires ar ecold.
Ti re pressur eoncoldt ires: thet ires ar ecold
when thev ehicle has been par kedw itht he tires
out of direct sunlight foratl east thre eh our sand
th ev ehicle has been driven less than 1m ile
(1.6 km).
Ti re contact sur face: thep artoft he tir ethat
comes int ocontact wi th theroad.
Ti re bead: thep urpose of thet ireb ead is to
ensur ethat thet ires its securely on thew heel
ri m. Ther eareseveralw irec ores in thet ireb ead
to preve ntthet iref romc hanging lengt honthe
whee lrim.
Sid ew all: thep artoft he tir ebetwe en thet read
and thet ireb ead.
Special equipment weight: thec ombined
we ight of those optional extras that we igh more
th an ther eplaced standar dparts and mor ethan
5l bs (2. 3kg). These optiona lextras ,suc has
high-pe rformance brakes, le velc ontrol sy stem, a
ro of luggag erackorah igh-perform anc ebatter y,
ar en otincluded in thec urb weight and the
we ight of thea ccessories.
TIN (Tir eIdentification Number): auniqu eiden‐
tification number whic hcan be used byatire
manufacturer toidentify tires, fore xamp lefora
product recall, and thus identif ythe pur chasers.
The TIN is made up of them anufacturer identifi‐
cation code, tir esize, tir etype code 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 over designated seat posi‐
tions in avehicle. Wheels and tires
217
&
WARNING Risk of inju ryfrom tightening
whee lbolts and nuts
If yo ut ighten thew heel bolts or wheel nuts
when thev ehicle is raised, thej ackc ould tip. #
Onlytighten wheel bolts or wheel nuts
when thev ehicle is on theg round. #
Obser vethei nformation on thec hoice of
tires (/ page218). #
Fors afet yr easons, onl yuse wheel bolt sor
wheel nut swhichh aveb een appr ovedby
Mercedes-Benza ndfort he wheel in question.
When youi nstallth es teel spar ewheel, it is
essential youu se shor twheel bolt sfor as teel
wheel. Using other wheel bolts when ins talling
th es teel spar ewheel ma ylead todamag etothe
brak esystem. 1
Wheel bolt fora lloy wheels
2 Wheel bolt fors teel wheel #
Clean thew heel and wheel hub contact sur fa‐
ces. #
Vehicles with Super Single tires: first
ins tallth ea dap terf or then arro ws parew heel
on thew heel hub. #
Slide then ew wheel whic histobeinstalled
ont othe wheel hub or thea dap terf or the
spar ewheel and push it on. #
Slide then ew wheel whic histobeinstalled
ont othe wheel hub and push it on.
Wheels centered using thew heel bolts: #
Vehicles wit halloyw heels: use thes hort
wheel bolts fort he steel spar ewheel from the
ve hicle tool kit. #
Screw inthew heel bolts until they aref inger-
tight.
Wheels with wh eeln uts: #
Front wheels wit hwheel nut co ver:press the
wheel nut co vero ntot he wheel nuts. #
Screw inthre ew heel nuts overthe fixing
discs of thew heel nut co ver. #
Turn thew heel so that thew heel bolts ar ein
th em iddle of theh oles. #
Screw inther emaining wheel nuts. #
Slightly tigh tena llth ew heel nuts. Lo
weri ngthev ehicle af teraw heelchange &
WARNING Risk of inju rythro ugh incor‐
re ct tigh tening torque
Th ew heel scould come loose if thew heel
bolts or wheel nuts ar enottightened tothe
prescribed tightening torque. #
Makesur ethe wheel bolts or wheel
nuts ar etightened tothep rescribed
tightening torque. #
Ifyo ua renots ure, do no tmovet he
ve hicle. Consult aqualified specialist
wo rkshop and ha vethet ightening tor‐
qu ec hec kedi mmediately. Re
quirements:
R The ne wwheel has been ins talled
(/ page223).
Obser vethen otes on raising thev ehicle
(/ page221).
Ve hicles with rear wheel drive
Only use them iddle roda nd thep um pleve rrod
wit hthe larges tdiame terf or thej ackasa lug
wrenc hextension. Only inse rtthem iddle rodon
th el ug wrench, and alw aysasf ar as it will go.
Otherwise, ther ods could bend and defor mso
muc hthat they can no longer be use daspump
le ve rs fort he jac k.
Ve hicles wit hSuper Single tires: if youm ountthe
spar ewheel tother ear axle, do no texceed the
maximu mspeed of 34 mph(55 km/h) and the
maximu mdista nce of 62 miles (100 km) .Other‐
wise, thet ransmission could be damaged due to
th ed iffe re nt rotational speed softhe wheels. #
Using thep um pleve r,slowly tur nthe drain
scr ew onthej acka ppr oximatel yone revo lu‐
tion and carefull ylow erthev ehicle. 224
Wheels and tires
#
Place ascrew driver int orecesses 2and
th en pr yoffco vers 1 . #
Using thel ug wrenc hfromt hevehicle tool kit,
unscr ewthen ow visible bolts counter-clock‐
wise byappr oximatel y20turns. #
Slightly raise spar ewheel car rier 4 and
unhook left-hand saf etyh ook 3. #
Assemble thep um pleve rfor thej acka nd
slide it int osleeve5 onther ight-ha ndside
of spar ewheel car rier 4. #
Raise spar ewheel car rier 4 withthe pump
le ve ra nd unhook right-han dsafet yh ook 3. #
Slowl ylow er spar ewhee lcarrier 4 tothe
ground. #
Lift spar ewheel car rier 4 slightl yand pull
th ep um pleve rout of thes lee ve. #
Use thep um pleve rtol iftt he spar ewheel
be yond ther ear edg eofsparew heel car rier
4. #
Carefully remo vethes par ew heel from spare
wheel car rier 4.T he spar ewheel is heavy.
When thes par ew heel is remo ved, thec enter
of gr avity changes due totheh eavy weight of
th ew heel. The spar ewheel ma yslip down or
tip ove r.
Ve hicles with rear wheel drive: installin gthe
spar ewheel (Cargo Van/Passenger Van) #
Carefully place thes par ew heel ont ospare
wheel car rier 4.T he spar ewheel is heavy.
When youp lacethe spar ewheel ont ospare
wheel car rier 4,t he center of gravity
ch anges due tothew eight of thew heel. The
spar ewheel ma yslip down or tip over. #
Slide thep um pleve rfor thej acki ntos leeve
5 on spar ewheel car rier 4. #
Raise spar ewheel car rier 4 withthe pump
le ve ra nd attac hright-ha ndsafetyh ook 3. #
Slight lyraise spar ewheel car rier 4 and
attac hleft-hand saf etyh ook 3. #
Pull thep um pleve rout of slee ve5 . #
Using thel ug wrench, tighten saf etyh ook
bolts 3byturning them clockwise. #
Replace and engag ecovers 1. #
Close ther ear-end doors. Ve
hicles with rear wheel drive: removing the
spar ewheel (vehicl ewithl ow ered chassis) Bolt co
vers fort he saf etyh ooks (exa mp le: Cargo
Va n) #
Ope nthe rear-en ddoors. Wheel
sand tires 227
#
Place ascrew driver int orecesses 2and
th en pr yoffco vers 1 . #
Using thel ug wrenc hfromt hevehicle tool kit,
unscr ewthen ow visible bolts counter-clock‐
wise byappr oximatel y20turns. #
Slightly raise spar ewheel car rier 4 and
unhook left-hand saf etyh ook 3. #
Assemble thep um pleve rfor thej acka nd
slide it int osleeve5 onther ight-ha ndside
of spar ewheel car rier 4. #
Raise thes par ew heel car rier wit hthe pump
le ve ra nd unhook right-han dsafet yh ook 3. #
Position loop 7ofextraction device 6on
th es par ew heel so that youw ill later be able
to attac hlug wrench 8. #
Prepar ethe jac k. #
Place thej ackb eneat hthe cor responding
jac ksuppor tpoint. #
Movethep um pleve rupa nd down until the
tir eisr aised amaximum of 1.18 in (3 cm) off
th eg round. #
Hook lug wrench 8intoloop 7ofextrac‐
tio nd evice 6 onthes par ew heel. #
Carefully remo vethes par ew heel from spare
wheel car rier 4.T he spar ewheel is heavy.
When thes par ew heel is remo ved, thec enter
of gr avity changes due totheh eavy weight of
th ew heel. The spar ewheel ma yslip down or
tip ove r. #
Remo vethes par ew heel extraction device
and stor eitinas afep lace. Youc an now
ins tallth es par ew heel to yo urvehicle. #
Lowe rthe vehicle.
Ve hicles with rear wheel drive: installin gthe
spar ewheel (vehicle with lo weredc hassis)
% In
thee vent of aflat tire, youm aystor et he
defectiv ewheel inside thev ehicle only .An
intact wheel ma ybestore dint he spare
wheel car rier onl ywhen thev ehicle is unla‐
den. Aladen vehicle mus tfirst be raised. #
Carefull yplace thes par ew heel ont ospare
wheel car rier 4.T he spar ewheel is heavy.
When youp lacethe spar ewheel ont ospare
wheel car rier 4,t he center of gravity
ch anges due tothew eight of thew heel. The
spar ewheel ma yslip down or tip over. #
Slide thep um pleve rfor thej acki ntos leeve
5 on spar ewheel car rier 4. #
Raise spar ewheel car rier 4 withthe pump
le ve ra nd attac hright-ha ndsafetyh ook 3. #
Slight lyraise spar ewheel car rier 4 and
attac hleft-hand saf etyh ook 3. #
Pull thep um pleve rout of slee ve5 . #
Using thel ug wrench, tighten saf etyh ook
bolts 3byturning them clockwise. #
Replace and engag ecovers 1. #
Close ther ear-end doors.
Ve hicles with rear wheel drive: removing the
spar ewheel (chassis) #
Loosen wing nuts 3manually and then
re mo vethem. #
Loosen nuts 2asfarast hethre ad end. #
Slightly raise spar ewheel car rier 4 and
unhook left-hand saf etyh ook 1. #
Assemble thep um pleve rfor thej acka nd
slide it int othe slee veon ther ight-ha ndside
of spar ewheel car rier 4. #
Raise spar ewheel car rier 4 withthe pump
le ve ra nd unhook right-han dsafet yh ook 1. #
Slowl ylow er spar ewhee lcarrier 4 tothe
ground. #
Lift spar ewheel car rier 4 slightl yand pull
th ep um pleve rout of thes lee ve. #
Use thep um pleve rtol iftt he spar ewheel
be yond ther ear edg eofthe spar ewheel car‐
ri er. #
Carefully remo vethes par ew heel from the
spar ewheel car rier .T he spar ewheel is heavy.
When thes par ew heel is remo ved, thec enter
of gr avity changes due totheh eavy weight of
th ew heel. The spar ewheel ma yslip down or
tip ove r. 228
Wheels and tires
Ve
hicles with rear wheel drive: installin gthe
spar ewheel (chassis) #
Carefully place thes par ew heel ont ospare
wheel car rier 4.T he spar ewheel is heavy.
When youp lacethe spar ewheel ont othe
spar ewheel car rier ,t he center of gr avity
ch anges due tothew eight of thew heel. The
spar ewheel ma yslip down or tip over. #
Slide thep um pleve rfor thej acki ntot he
slee veon spar ewheel car rier 4. #
Raise spar ewheel car rier 4 withthe pump
le ve ra nd attac hright-ha ndsafetyh ook 1. #
Slight lyraise thes par ew heel car rier and
attac hleft-hand saf etyh ook 1. #
Pull thep um pleve rout of thes lee ve. #
Tighten nuts 2. #
Put wing nuts 3in place and tighten them. Wheels and tires
229
&
WARNING ‑Riskoff irea nd injur yfrom
antifreeze
If antifreez ecomes int ocontact wi thhotc om‐
ponent parts in thee ngine compartment, it
ma yignite. #
Allo wthe engine tocool down before
adding antif reeze. #
Mak esuret hat no antifreeze spills out
next tothef iller opening. #
Thoroughl yclean of fany antifreeze from
componen tparts befor estartin gt he
ve hicle. *
NO
TEDama gecaused byincor rect cool‐
ant #
Only ad dcoolant that has been pre‐
mixed wit hthe requ ired antifreeze pro‐
te ction. Information on coolant is
available at thef ollow‐
ing locations:
R intheMBS pecification sfor operating fluids
31 0.1
- at http://be vo.mercedes-benz.com
- intheB eVoa pp
R ataq ualified specialis tworks hop
* NO
TEOverheating at high outsid etem‐
peratures If an inappropriat
ecoolant is used, thee ngine
cooling sy stem is no tsufficiently pr otected
agains toverheating and cor rosion at high out‐
side temp eratures. #
Alwaysu seac oolant appr ovedby
Mercedes-Benz. #
Obser vethei nstruction sinthe MB
Specifications foro perating fluids3 10.1 . *
NO
TEPaint wo rkdamag eduetocoolant #
Do no tspill coolant on painted sur faces. Ha
ve thec oolant regularly replaced at aqualified
specialis tworks hop.
No tethep roportion of anti-cor rosion agent/anti‐
freeze in thee ngine cooling sy stem within thef ol‐
lowing temp eratur eranges:
R Atleas t50% (antifreeze pr otection up to
about -3 5°F(-37° C)) R
Maximum 55 %(antifreez eprotection up to
-49 °F (-45 °C))
Coolant capacities
Engine coolin gsystem Engine
Coolant
M2 74 approx.3 .0 gal
(1 1. 5l iters)
OM642 approx. 2.6 gal
(1 0l iters)
OM65 1a pprox.2 .5 gal
(9.5 liters) Wi
ndshield washer fluid Note
sonw indshield washer fluid
Obser vethen otes on operating fluids
(/ page233). &
WARNING ‑Riskoff irea nd injur yfrom
windshiel dwashe rconcentrate
Wi ndshield washer concentrat eishighlyflam‐
mable. It could ignit eifitcomes int ocontact
wi th hote ngine component parts or the
ex haus tsystem. #
Mak esuret hat no windshield washer
concentrat espills out next tothef iller
opening. *
NO
TEDama getothee xterio rlighting
due tounsuitable windshield washer fluid Uns
uitable windshield washer fluid ma ydam‐
ag et he plastic sur face of thee xterio rlighting. #
Onlyuse windshield washer fluid which
is also suitable foru se on plast ic surfa‐
ces, e.g. MB SummerFit or MB Winter‐
Fit. *
NO
TEBlocked spr aynozzle scaused by
mixing windshield washer fluids #
Do no tmix MB SummerFit and MB Win‐
te rFit wit hother windshield washer flu‐
ids. Do no
tuse distilled or de-ionize dwater .Other‐
wise, thel eve lsensor ma ygiveaf alse reading. 240
Tech nica ldata