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 e224 )
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 222
Wheels and tires
canno
tacce ptresponsibility fort his type of dam‐
age.
Alw ayso bser vethem aximum permissible speed
specified fort he summer tires youh ave installed
(/ page235).
Onc eyou ha veinstalled thes ummer tires:
R Chec kthe tir epressur e(/pag e224 )
R Restar tt he tir epressur emonitor
(/ page230) Information on M+S tires
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.
Onl ythese tires will allo wdriving saf etys yst ems
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 ave installed
(/ page235).
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 Chec kthe tir epressur e(/pag e224 )
R Restar tt he tir epressur emonitor
(/ page230) Note
sons nowc hains &
WARNING Risk of accident du etoincor‐
re ct ins tallation of sno wchains
Ve hicles with rear-wheel drive: ifyo uh ave
ins talled sno wchains tothef ront wheels,
th ey ma ydraga gains tthe vehicle body or
ch assis components.
This could cause damag etothevehicle or the
tires. #
Neverins tall sno wchains on thef ront
wheels. #
Onlyins tall sno wchains on ther ear
wheelsinp airs. #
Vehicles with twin tires: installthe
sno wchains totheo uter wheels. &
WARNING Risk of accident du eto
unsuitable sn ow chains
Ve hicles wit hall-wheel driv edonothave suf‐
fi cient clea rance on thef ront axle forc om‐
mercial lyavailable sn ow chains.
When youi nstall commerciall yavailable sn ow
ch ains ,the sno wchains ma ycom eloose and
damag echassi scomponent sorbrake hoses. #
Only ins tall sno wchains appr ovedby
Mercedes-Benzf orthese tires. Fo
rs afet yr easons, Mercedes-Benz recommends
th at youo nlyu se sn owchains that ha vebeen
ch eckeda nd appr oved.Youc an obtain informa‐
tio na bout sn ow chains from an yqualified spe‐
cialis tworks hop.
* NO
TEDama getothew heel trim from
mounted sno wchains If sno
wchains are mounted tosteel wheels,
th ew heel trims can be damaged. #
Remo vethew heel trims of steel wheels
befor emounting sno wchains. Obser
vethef ollowing no tesw hen using snow
ch ains:
R Snow ch ains ar eonlyp ermissible forc ertain
wheel/tir ecombinations .You can obtain
information on them at aqualified specialist
wo rkshop.
R Fors afet yr easons, onl yuse sn owchains that
ha ve been specifically appr ovedfor your vehi‐
cle byMercedes-Benz, or sno wchains with
th es ame quality standard.
R The sn owchains mus tberetightene dafter
driving appr oximatel y0.6 miles (1 km). This is
th eo nlyw aytoensur ethe sno wchains are
optimall yseated wit hclearanc etoadjacent
components.
R Vehicles with all-wheel drive: install snow
ch ains tothew heels on ther ear axle. On
ve hicles wit htwin tires, ins tallth es now
ch ains totheo uter wheels. Obser vethem an‐
ufacturer's ins tallation instructions. Wheels and tires
223
R
Use sno wchains only when ther oad sur face
is comple tely sno w-covered. Re mo vethe
sno wchains as soon as possiblew henyou
come toaroad that is no tsnow-covered.
R Local regulations ma yrestrict theu se of
sno wchains. Obser vethea pplicable regula‐
tions befor einstal ling sno wchains.
R Activat eall-whee ldrive before driving of fwith
sno wchains (/ page125, 124, 125).
R If sn ow ch ains ar einstalled, them aximum
permissible speed is 30 mph(50 km/h).
R Vehicles with Parking Assis t:do no tuse
Pa rking Assis tPARKTRONIC if sno wchains
ar ei nstalled.
% Youc an deactivat eESP®
to pull away .This
allo ws th ewheels tospin, achieving an
increased driving forc e. Ti
re pressure Note
sont irep ressure &
WARNING Risk of accident du etoinsuf‐
fi cient or excessiv etirep ressure
Underinfla tedoro verinfla tedt ires pose the
fo llowing risks:
R The tires ma yburst,e speciall yasthe load
and vehicle speed increase.
R The tires ma ywear excessively and/or
une venly ,w hich ma ygreatly impair tire
traction.
R The driving characteristics, as well as
st eering and braking, ma ybegreatly
impaired. #
Compl ywitht he recommended tire
pressur eand checkt he tir epressur eof
all tires including thes par ew heel regu‐
larly:
R at leas tonce amonth
R when thel oad changes
R befor eembarkin gonalongerjourney
R if operating conditions change, e.g .off-
ro ad driving #
Adjus tthe tir epressur easn ecessar y. Driving wi
thtirep ressur ethat is tooh igh or too
lo wh asthef ollowing consequences:
R Shor tent he service lif eofthe tires.
R Cause increased tir edamage.
R Adversely af fect handling characteristic sand
th us drivin gsafet y, e.g. due tohydroplaning. &
WARNING Risk of an accident du eto
insuf ficient tir epressure
Ti re sw ithp ressur ethat is tool ow can over‐
heat and bur stas aresult.
In addition ,the ya lso suf ferf rome xcessive
and/or ir regular wear,w hic hc an significantly
impair theb raking properties and theh an‐
dling characteristics. #
Avoid excessively lo wtirep ressures in
all thet ires, including thes par ew heel. Ti
re pressur ewhichist oo lo wcan cause:
R Tire faults as aresult of overheating
R Impaired handling characteristics
R Irre gular wear
R Increased fuel consum ption &
WARNING Risk of accident from exces‐
siv etirep ressu re
Ti re sw ithe xcessivel yhigh pressur ecan bur st
because they ared amaged mor eeasil yby
highw ayfill, po tholes etc.
In addition, they also suf ferf romi rregular
we ar,w hic hc an significantl yimp air theb rak‐
ing properties and theh andling characteris‐
tics. #
Avoid excessively high tir epressures in
all thet ires, including thes par ew heel. Excessively high tir
epressur ecan result in:
R Increased braking dis tance
R Impaired handling characteristics
R Irre gular wear
R Impaired drivin gcom fort
R Susceptibility todamage &
WARNING Risk of accident caused by
re peated drop in tir epressure
If th et irep ressur edrops repeatedly ,the
wheel, valveort irem aybe damaged. 224
Wheels and tires
Insuf
ficient tir epressur ecan cause thet ires
to bur st. #
Inspect thet iref or signs of fore ign
objects. #
Chec kwhether thew heel or valveh as a
leak. #
Ifyo ua reunabl etorectify thed amage,
contact aqualified specialis tworks hop. Yo
uc an find information on recommended tire
pressur efor thev ehicle's factor y-ins talled tires
on thef ollowing labels:
R Tire and Loadin gInforma tionp lacar dont he
B‑pi llarofyour vehicle (/ page231).
R Tire pressur etable on thei nside of thef uel
fi ller flap .
Obse rvet he maximum tir epressure
(/ page235).
Use asuitable pressur egaug etoc heckthe tire
pressure. The outer appearance of atired oes not
permit an yreliable conclusion about thet ire
pressure.
+ ENVIRONMEN
TALN OTE Environmental
damag eduetoinsuf ficient or excessive
tir ep ressure Insuf
ficient or excessiv etirep ressur eshort‐
ens thes ervice lif eofthe tires. #
Chec kthe tir epressur eregularly ,but at
leas tevery 14 days. Ve
hicles with atirep ressur emonitor: youc an
also checkt he tir epressur eusing theo n-board
computer.
Onl ychec ktirep ressur ewhen thet ires ar ecold.
Condition sfor cold tires:
R The vehicle has been par kedw itht he tires out
of direct sunlight foratl east thre eh ours.
R The vehicle has tr aveled less than 1m ile
(1.6 km).
Ar ise in thet iret emperatur eof18°F (10°C)
increases thet irep ressur ebya pprox.10k Pa
(0. 1b ar/1.5 psi). Take this int oaccount when
ch ecking thet irep ressur eofw armt ires.
The tir epressur erecommended fori ncreased
load/spee dinthe tir epressur etable ma yaffect
th er ide comfort. &
WARNING Risk of accident du eto
unsuitable accesso ries on tir evalve
If yo um ountunsuitable accesso ries ont otire
va lves ,the tir evalves ma ybeoverloaded and
malfunction ,whic hc an cause aloss of tire
pressure. Af term arke ttirep ressur emonitor‐
ing sy stems will cause thet irev alvetor emain
open ,depending on thed esign. This can also
re sult in aloss of tir epressure. #
Only scr ewstandar dvalvec aps or valve
cap sspecifically appr ovedbyM ercedes-
Benz fory our vehicle ont othe tir evalve. Note
sont railer operation
The applicable tir epressur efor thet ires of the
re ar axle is alw ayst he recommended tir epres‐
sur efor afull load. Overvie
wofthe tirepressur etable The tir
epressur etable can be found on thes eat
base or on theB ‑pillar on thed rive r's side.
% The dat
ashown in thei mages is example
data. The tir
epressur etable sho ws therecommended
tir ep ressur efor thet ires ins talled at thef actory
on this vehicle. The recommended tir epressures
ar ev alid forc old tires and dif fere nt vehicle load
conditions.
If one or mor etires izes precede atirep ressure,
th et irep ressur einformation following is only
va lid fort hose tir esizes.
If th ep receding tir esizes ar esupplemented by
the 0091 symbol, thet irep ressur einformation
fo llowing sho wsalternativ etirep ressures.
The load condition s"partiall yladen "and "fully
laden "aredefine dinthetable forv arying
we ights.
Som etirep ressur etables onl yshowt he rim
diame teri ns tead of thec omple tetires ize, e.g.
R16.T herimd iame terisp artoft he tir esize and
can be found on thes ide wall of thet ire
(/ page235). Wheels and tires
225
Fr
ont axle tir epressures on vehicles with all-wheel/rear wheel driv eand single tires
Max. front axle load 4101 lbs (1860 kg) Ti
re s/disc wheel Vehicl eload Max. front axle load
4101 lbs (1860 kg)
LT 24 5/75R1 6120/1 16QF ullyladen 320k Pa(3.2b ar/46 psi) Fr
ont axle tir epressures on vehicles with rear wheel driv eand single tires
Max. front axle load 4409 lbs (2000 kg) Ti
re s/disc wheel Vehicl eload Max. front axle load
4409 lbs (2000 kg)
LT 24 5/75R1 6120/1 16QF ullyladen
360k Pa(3.6b ar/52 psi) 1) 1)
Only valid forv ehicles wit halong wheelbase
17 1in( 4350 mm) and apermissible gross weight
of ove r7716l bs (3. 5t).
Re ar axle tir epressures on vehicles with all-wheel/rear wheel driv eand single tires
Max. rear axle load 535 7lbs (2430 kg) Ti
re s/disc wheel Vehicl eload Max.rear axle load
535 7lbs (2430 kg)
LT 24 5/75R1 6120/1 16QF ullyladen 480k Pa(4.8b ar/70 psi)
LT 24 5/75R1 6120/1 16 Q
Partiall yladen 2)
420 kPa(4.2b ar/6 1psi)2) 2)
It is onl ypermissible touse this reduced tire
pressur eifitcan be guaranteed byweighing the
ve hicle that ther ear axle load of 4960 lbs
(2250 kg)w ill no tbee xceeded. In case of doubt,
inflat eto4 80 kPa(4.8 bar/70 psi).
Fr ont axle tir epressures forv ehicles wit hall-wheel/rear wheel driv eand twin tires
Max. front axle load 4079 lbs (1850 kg)Ti
re s/disc wheel Vehicl eload Max. front axle load
4079 lbs (1850kg)
LT 21 5/85R1 6115/112 QF ullyladen 380k Pa(3.8b ar/55 psi) Max. front axl
eload 4409 lbs (2000 kg) Ti
re s/disc wheel Vehicl eload Max. front axle load
4409 lbs (2000 kg)
LT 21 5/85R1 6115/112 QF ullyladen 420k Pa(4.2b ar/ 61psi) 226
Wheels and tires
Max. front axle load 4630 lbs (2
100k g) Ti
re s/disc wheel Vehicl eload Max. front axle load
4630 lbs (2100k g)
LT 21 5/85R1 6115/112 QF ullyladen 450k Pa(4.5b ar/65 psi) Re
ar axle tir epressures forv ehicles wit hall-wheel/rear wheel driv eand twin tires
Max. rear axle load 7055 lbs (3200 kg)Ti
re s/disc wheel Vehicl eload Max.rear axle load
up to7055 lbs (3200 kg)
LT 21 5/85R1 6115/112 QF ullyladen 370k Pa(3.7 bar/5 4psi) Max.
rear axle load 7716 lbs (3500 kg) Ti
re s/disc wheel Vehicl eload Max.rear axle load
77 16 lbs (3500 kg)
LT 21 5/85R1 6115/112 QF ullyladen 400k Pa(4.0b ar/58 psi) Max.
rear axle load 793 7lbs (3600 kg) Ti
re s/disc wheel Vehicl eload Max.rear axle load
793 7lbs (3600 kg)
LT 21 5/85R1 6115/112 QF ullyladen 420k Pa(4.2b ar/ 61psi) Fr
ont axle tir epressures on vehicles with Super Single tires
Max. front axle load 4079 lbs (1850 kg)Ti
re s/disc wheel Vehicl eload Max. front axle load
4079 lbs (1850kg)
225/75R16C 121/120R (122L) Fullyl aden 340 kPa(3.4b ar/4 9psi) Max
.fro nt axle load 4409 lbs (2000 kg) Ti
re s/disc wheel Vehicl eload Max. front axle load
4409 lbs (2000 kg)
225/75R16C 121/120R (122L) Fullyl aden 370k Pa(3.7 bar/5 4psi) Wheels and tires
227
Re
ar axle tir epressures on vehicles with rear wheel driv eand Super Single tires
Max. rear axle load 7055 lbs (3200 kg)Ti
re s/disc wheel Vehicl eload Max.rear axle load
7055 lbs (3200 kg)
285/65R16C 131R Fullyl aden 460 kPa(4.6b ar/6 7psi) Max
.rear axl eload 7716 lbs (3500 kg) Ti
re s/disc wheel Vehicl eload Max.rear axle load
77 16 lbs (3500 kg)
285/65R16C 131R Fullyl aden 520 kPa(5.2b ar/7 5psi) Be sur
etoalso obse rvet he following fur ther rela‐
te ds ubjects:
R Notesont irep ressur e(/pag e224 )
R Tire and Loading In form atio nplacard
(/ page231 )
R Maximum tir epressur e(/pag e235) Overvie
wofthe tirepressur etable fore me rgency spa rewheels Ti
re s/emer gency spar ewheel Air pressur eIncombination with vehicle
tires
225/7 5R16C1 21/120R (122L) 1)
370k Pa(3.7 bar/5 4psi) 225/7 5R16C1 21/120R (122L)
225/7 5R16C1 21/120R (122L) 1)
690 kP a(6.9 bar/100 psi) 285/65 R16C 131R 1)
Va lid touse foras horttime as an emer gency
spa rewheel on Super Sin glev ehicles forad is‐
ta nce of maximum 100km( 62 miles) and at a
maximu mspee dof55k m/h (34 mph). Ti
re pressur emonitoring sy stem Fu
nction of thet irep ressur emonitor on sin‐
gl et ires &
DANG ER Risk of acciden tdue toincor‐
re ct tir epressure
Eac htire, including thes par e(if pr ovided),
should be checkedm onthl ywhen cold and
inflated tothei nflation pressur erecommen‐
ded bythev ehicle manufacturer on thev ehi‐
cle placar dortirei nflation pressur elabel. (If
yo ur vehicle has tires of adiffe re nt size than
th es ize indicated on thev ehicle placar dor
tir ei nflation pressur elabel, yous houl ddeter‐ mine
thep roper tir einflation pressur efor
th ose tires.)
As an added saf etyf eature, your vehicle has
been equipped wit hatirep ressur emonitor‐
ing sy stem (TPMS) that illuminates alow tire
pressur etelltale when one or mor eofyour
tires is significantl yunde r-inflated. Accord‐
ingly ,whent he lo wtirep ressur etelltale illu‐
minates, yous houl dstopa nd checky our tires
as soon as possible,a nd inflatethem tothe
proper pressure. Driving on asignificantly
under-inflated tir ecauses thet iretoo verheat
and can lead totiref ailure. Under-inf lation
also reduces fuel ef ficiency and tir etread life,
and ma yaffect thev ehicle's handling and
st opping ability .Please no tethat theT PMS is
no tas ubstitut efor proper tir emaintenance,
and it is thed rive r's responsibility tomaintain
cor rect tir epressure, evenifu nder-inflation 228
Wheel sand tires
has no
treached thel eve ltot rigger illumina‐
tion of theT PMS lo wtirep ressur etelltale.
Yo ur vehicle has also been equipped wit ha
TPMS malfunction indicator toindicat ethat
th es ystem is no toperating properly .The
TPMS malfunction indicator is combined with
th el ow tirep ressur etelltale. When thes ys‐
te md etects amalfunction, thei ndicator lamp
will flash fora pproxima tely one minut eand
th en remain continuously illumina ted. This
sequence will continue upon subsequent
ve hicle start-ups as lon gasthe malfunction
ex ists.
When them alfunction indicator is illuminated,
th es ystem ma ynotbe able todetect or sig‐
nal lo wtirep ressur easi ntended. TPM Smal‐
functions ma yoccu rfor av ariety of reasons,
includin gthe ins tallation of replacement or
alternat etires or wheels on thev ehicle that
pr ev ent theT PMS from functioning properly.
Alw aysc hec kthe TPMS malfunction telltale
af te rr eplacing one or mor etires or wheels on
yo ur vehicle toensur ethat ther eplacement
or alternat etires and wheels allo wthe TPMS
to continu etofunction properly. The sy
stem checks thet irep ressur eand thet em‐
peratur eofthe tires ins talled on thev ehicle by
means of atirep ressur esensor.
Ne wt irep ressur esensors, e.g. in winter tires,
ar ea utomatically taught-in during thef irst jour‐
ne yt heya reused.
The tir epressur eand thet iret emperatur eappear
in them ultifunction displa y(/pag e171).
If th er eisas ubstantia llos soft irep ressure, a
wa rning is issued:
R Viad ispla ymessages (/ page283)
R Viat he 0077 warning lam pinthe instrument
clus ter
It is thed rive r's responsibility tosetthe tir epres‐
sur etot herecommended cold tir epressur esuit‐
able fort he operating situation. Se tthe tir epres‐
sur efor cold tires using atirep ressu regauge.
No tethat thec orrect tir epressur efor thec urrent
ope rating situatio nmustfirst be taught-in tothe
tir ep ressur emonitoring sy stem.
In mos tcases, thet irep ressur emonitoring sys‐
te mw illa utomatically updat ethe ne wreference
va lues af tery ou ha vechanged thet irep ressure.
Yo uc an,h owe ver,also updat ethe refere nce val‐ ues
byrestartin gthe tir epressur emonitoring
sy stem manually (/ page230).
Sy stem limits
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
R Ifth et irep ressur eiss etincor rectly
R Ifth er eisas udden pressur eloss caused by a
fo re ign object penetrating thet ire, fore xam‐
ple
R Ifth er eisam alfunction caused byano ther
ra dio signal source
R Ifth er eisac hangeoft ires ize Wheel
sand tires 229