Page 401 of 533

R
befor eembarkin gonalonger journey
R if operating condition schange, e.g. off-
ro ad driving #
Adjus tthe tyr epressur easn ecessar y. Driving wi
thtyr ep ressur ethat is tooh igh or too
lo wc an:
R Sho rten thes ervice lif eofthe tyres.
R Cause increased tyr edamage.
R Adverselya ffect driving characteristic sand
th us drivin gsafet y, e.g. due toaquaplaning. &
WARNING Risk of accident from repea‐
te dt yrep ressur edrop
If th et yrep ressur edrops repeatedl y,the
wheel, valveort yrem aybe damaged.
Insuf ficient tyr epressur ecan cause thet yres
to bur st. #
Inspect thet yref or signs of fore ign
objects. #
Chec kwhether thew heel or valveh as a
leak. #
Ifyo ua reunable torectify thed amage,
conta ctaq ualified specialis tworks hop. Information on
ther ecommende dtyrep ressure
fo rt he vehicle's factor y-fitted tyres can be found
on thet yrep ressur etable on thei nside of the
fuel filler flap (→ page400).
Use asuitable pressur egaug etoc heckthe tyre
pressure. The outer appearance of atyred oes
no tp ermit an yreliable conclusion about thet yre
pressure.
Ve hicles with atyrep ressur emonitoring sys‐
te m: youc an also checkt he tyr epressur eusing
th eo n-boar dcomputer.
Onl ycorrect tyr epressures whe nthe tyres are
cold. Conditions forc old tyres:
R The vehicle has been par kedw itht he tyres
out of direct sunlight foratl east thre eh ours.
R The vehicle has tr avelled less than 1.6k m.
Ar ise in thet yret emperatur eof10°Ci ncreases
th et yrep ressur ebya pprox.10k Pa(0.1b ar/ 1.
5p si).Tak et his int oaccount when checking
th et yrep ressur eofw armt yres. Ty
re pressur etable The tyr
epressure table is on thei nside of the
fuel filler flap. The tyr
epressur etable sho ws therecommended
tyr ep ressur efor all tyres appr ovedfor this vehi‐ 398
Wheels and tyres
Page 402 of 533

cle
.The recommended tyr epressures apply for
cold tyres under various operating conditions,
i.e. loading and/or speed of thev ehicle.
If one or mor etyres izes precede atyrep res‐
sure, thet yrep ressur einformation following is
onl yvalid fort hose tyr esizes.
If th ep receding tyr esizes ar ecomplemented by
the + symbol, thet yrep ressur einformation
fo llowing sho wsalternativ etyrep ressures.
Thes etyrep ressures ma yimp rove your vehicle's
ri de comfort. Fuel consum ption ma ythen
increase slightly.
The load conditions "partially laden" and "fully
laden" ar edefined in thet able ford iffe re nt num‐
be rs of passenger sand amounts of luggage. The
actual number of seats ma ydiffe rf romt his.
Be sur etoalso obse rvet he following fur ther
re lated subjects:
R Notesont yrep ressur e(→pag e397) Ty
re pressur emonitoring sy stem Fu
nction of thet yrep ress urem onitoring sys‐
tem
The sy stem checks thet yrep ressur eand the
tyr etemperatur eofthe tyres fitted tothev ehicle
by means of atyrep ressu resensor.
Ne wt yrep ressur esensors, e.g. in winter tyres,
ar ea utomaticall ytaught-in thef irst tim etheya re
driven.
If th er eisas ubstantia lpressur elossorift he
tyr etemperatur eisexcessive, awarning will be
given:
R Viad ispla ymessages (→ page458).
R Viat he h warning lam pinthe instrument
clus ter( →pag e488).
It is thed rive r's responsibility tosetthe tyre
pressur etotherecommended cold tyr epressure
suitable fort he operating situation. Se tthe tyre
pressur efor cold tyres using atyrep ressu re
ga uge. Notethat thec orrect tyr epressur efor
th ec urrent operating situatio nmustfirst be
ta ught-in tothet yrep ressur emonitoring sys‐
te m. In mos
tcases, thet yrep ressur emonitoring sys‐
te mw illa utom atically updat ethe ne wreference
va lues af tery ou ha vechanged thet yrep ressure.
Yo uc an,h owe ver,also updat ethe refere nce val‐
ues byrestartin gthe tyr epressur emonitoring
sy stem manually (→ page402).
Sy stem limitations
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
R Ifth et yrep ressur eiss etincor rectl y.
R Ifth er eisas udden pressur eloss caused, for
ex ample, byaforeign object penetrating the
tyre.
R Ifth er eisam alfunction caused byano ther
ra dio signal source.
Mak esuretoo bservethef ollowing fur ther rela‐
te ds ubjec t:
R Notesont yrep ressur e(→pag e397)
Checking thet yrep ress urew itht he tyre
pressur emonitoring sy stem
Requ irement:
R The ignition is switched on. Wheels and tyres
399
Page 403 of 533

On-boar
dcomputer:
, Service .
Tyres
One of thef ollowing displa ysappears:
R Cur rent tyr epressur eofe achw heel:
R Tyre pressures will be displayed after afew
minutes of driving
R Tyre pressure monito ractive:t heteach-in
process of thes ystem is no tyet comple te.
The tyr epressures ar ealready being moni‐
to re d. #
Compar ethe tyr epressur ewitht he recom‐
mended tyr epressur efor thec urrent operat‐
ing condition (→ page 398). Obse rvet he
no tesont yret emperatur e(→pag e397).
% The values displa yedint he multifunction dis‐
pla ym aydeviat efromt hose of thet yrep res‐
sur egaug east heyr efer tosea le vel.At high
altitudes, thet yrep ressur evalues indicated
by pressur egauges ar ehigher than those
shown bytheo n-boar dcomputer .Inthis
case, do no treduce thet yrep ressure. Mak
esuretoo bservethef ollowing fur ther rela‐
te ds ubjec t:
R Notesont yrep ressur e(→pag e397)
Rest arting thet yrep ress urem onitoring sys‐
tem
Requ irements:
R The recommended tyr epressur eisc orrectly
se tfor ther espectiv eoperating condition on
eac hoft hefour wheel s(→ pag e397).
Re star tt he tyr epressur emonitoring sy stem in
th ef ollowing situations:
R The tyr epressur ehaschanged.
R The wheels or tyres ha vebeen changed or
newl yfitted.
On-boar dcompu ter:
, Service .
Tyres #
Swipe down wardsont heTouc hC ontrol on
th el eft-hand side of thes teering wheel.
The Use curren tpressures as new reference
values messag eisshown in them ultifunction
displa y. #
Press atoconfir mtherestart.
The Run Flat Indicator restarted messageis
shown in them ultifunction displa y.
Cur rent wa rning messages ar edeleteda nd
the h yello ww arning lam pgoes out.
Af tery ou ha vedriven foraf ewminutes, the
sy stem checks whe ther thec urrent tyr epres‐
su resa rewithin thes pecified range. The cur‐
re nt tyr epressures ar ethen accep tedasr ef‐
erence values and monitored.
Mak esuretoo bservethef ollowing fur ther rela‐
te ds ubjec t:
R Notesont yrep ressur e(→pag e397) 400
Wheels and tyres
Page 404 of 533

Ra
dio-equipment appr oval of thet yrep res‐
sur em onitoring sy stem
Ra dio equipment appr oval numbers Countr
yRadio equipment appr oval
number
Ab uD habi TRA
REGISTERED NO: ER3 7156/15.
DEALER NO: DA00470 74/10
Argentina AFTIC:H1 4788
Duba iT RA
REGI STERED NO: ER3 7156/15.
DEALER NO: DA00470 74/10
European
Union Schrader Electronics Ltd.
11
Te ch nology Park,
Belfas tRoad, Antrim BT4 11QS,
Nor ther nI reland Countr
yRadio equipment appr oval
number
Jordan Kingdo mofJordan Type appr oval
fo rT yreP ressur esensor.
Manufacturer :Schrader Elect ron‐
ics Ltd. Model :AG5SP4
Ty pe Appr oval Numb er:
TRC/LPD/20 15/21
Kingdom of Jo rdan Type appr oval
fo rT yreP ressur esensor.
Manufacturer :Schrader Elect ron‐
ics Ltd. Model :MFR
Ty pe Appr oval Numb er:
TRC/LPD/20 15/223
Mal aysia RCDD/04A/0 615/S(15-2095)
Morocco AGREE PARL 'ANR TMAROC
Nume rod'agrement :MR 10216
ANR T2015
Dat ed'agrement :18/3/20 15 Count
ryRadio equipment appr oval
number
Mexico IFT:RCPSC AG15-0627
IFT:RL VSCMF 15-0959
Moldo va Philip‐
pines
NTC
Ty
pe Appr oved.
No:ESD-1 5105 76CNTC
Serbia Sin
gapor eC omplies wit hIDA Standards DA
10 5282 Wheels and tyres
401
Page 405 of 533

Count
ryRadio equipment appr oval
number
South
Africa TA
-20 15/0 72 App roved
TA -20 15/117 App roved Count
ryRadio equipment appr oval
number
Ukraine Schrade
rElectronics цім
стверджує, що обладнання
Радіопередав ачмоделі AG5SP4
системи контролю тиск ув
шині ав томобіля відповідає
вимогам Технічного
регламент урадіообладнання і
телек омунікаційног окінцевого
(термінального )обладнання
(Постанов аКМУ № 67 9від24
червня 2009р.)Декларація
відповідн ості знах одиться на
са йті SchraderE lectronicsта
надається за запит омна
елек трону адре суemc‐
te [email protected]
Schrader Elect ronics цім
стверджує, що обладнання Countr
yRadio equipment appr oval
number
Радіопередав ачмоделі MFR
системи контролю тиск ув
шині ав томобіля відповідає
вимогам Технічного
регламент урадіообладнання і
телек омунікаційног окінцевого
(термінального )обладнання
(Постанов аКМУ № 67 9від24
червня 2009р.)Декларація
відповідн ості знах одиться на
са йті SchraderE lectronicsта
надається за запит омна
елек трону адре суemc‐
te [email protected]
Uni ted
Arab Emi‐
ra tes TRA
REGISTERED NO :ER3
7156/15.
DEALER NO:DA00470 74/10 402
Wheels and tyres
Page 406 of 533

Brazil
Es
te equipament ooper aemc aráter secundário,
is to é, não temd ireit oàp roteção contr ainter fer‐
ência prejudicial ,mesmo de es tações do mesmo
tipo ,en ão pod ecausar inter ferê ncia asiste mas
operando em caráter primário. Vi
etnam Ty
re pressur elossw arnin gsystem Fu
nction of thet yrep ress urel ossw arning
sy stem
The tyr epressur eloss warning sy stem warnst he
driver bymeans of displa ymessa gesw hen there
is as eve retyr ep ressur eloss.
Af terac hang eint yrep ressure, awheel rotation
or aw heel change, thet yrep ressur eloss warn‐
ing sy stem has tobe taught-in again bybeing
re star ted( → pag e406). The tyr
epressur eloss warning sy stem does not
re place then eed toregularly checkt he tyre
pressures.
Sy stem limitations
The sy stem ma ybeimpaired or ma ynotfunction
in thef ollowing situations:
R Ifth et yrep ressur eiss etincor rectly.
R Ifth er eisas udden pressur eloss caused, for
ex ample, byaforeign object penetratin gthe
tyre.
R Ifth ep ressur eloss in se veraltyres decrea‐
ses at thes ame rate.
The sy stem has alimited or dela yedf unction:
R When ther oad sur face is poo r,e.g. sno wor
gr ave l.
R When drivin gwiths nowc hains.
R When driving in averys porty driving style
wit hh igh cornering speeds or sudden accel‐
eration.
R When drivin gwithah igh load. Wheels and tyres
403
Page 407 of 533

Be sur
etoalso obse rvet he following fur ther
re lated subjects:
R Notesont yrep ressur e(→pag e397)
R Displa ymessages about thet yres
(→ pag e458)
Re starting thet yrep ress urel ossw arning
sy stem
Requ irement:
R The recommended tyr epressur eisc orrectly
se tfor ther espectiv eoperating condition on
eac hoft hefour wheel s(→pag e397).
On-boar dcompu ter:
, Service .
Tyres
The Run Flat Indicato ractiveRestart wit hOK
messag eisshown in them ultifunction displa y.
Re star tt he tyr epressur eloss warning sy stem in
th ef ollowing situations:
R The tyr epressur ehaschanged.
R The wheels or tyres ha vebeen changed or
newl yfitted. #
Press atobegin ther estart.
The Tyre pressure no wOK?messag eis
shown in them ultifunction displa y. #
Select Yes. #
Press atoconfir mtherestart.
The Run Flat Indicator restarted messageis
shown in them ultifunction displa y.
Af tery ou ha vedriven foraf ewminutes, the
tyr ep ressur eloss warning sy stem monitors
th es ettyr ep ressures of all thet yres.
Be sur etoalso obse rvet he following fur ther
re lated subjects:
R Notesont yrep ressur e(→pag e397) Wheel
change Note
sons electing, fittin gand replacing
tyres Mercedes
-AMG vehicles: observet he no tesin
th eS upplement .Otherwise, youm ayfailto rec‐
ognise dangers. Yo
uc an ask fori nformation rega rding permit ted
wheel/tyr ecombinations at aMercedes-Benz
Servic eCentre. &
WARNING Risk of accident du etoincor‐
re ct dimensions of wheel sand tyres
If wheel sand tyres of thew rong size are
used, thew heel brakes or wheel suspension
components ma ybecome damaged. #
Alw aysr eplace wheels and tyres with
th ose that fulfil thes pecification softhe
original part.
When replacing wheels, mak esuretof itthe
cor rect:
R Designation
R Type
When replacing tyres, mak esuretof itthe
cor rect:
R Designation
R Manufactu rer
R Type 404
Wheels and tyres
Page 408 of 533

&
WARNING Risk of inju rythro ugh exceed‐
ing thes pecified tyr eload-bearing capa‐
city or thep ermissible speed rating
Exceeding thes pecified tyr eload-bearing
capacity or thep ermissible speed rating may
lead totyr ed amag eand tothet yres bur st‐
ing. #
Therefore, onl yuse tyr etypes and sizes
appr ovedfor your vehicle model. #
Obser vethet yrel oad-bearing capacity
ra ting and spee drating requiredfor
yo ur vehicle. *
NO
TEDama getovehicle and tyres due
to non-app rove dt yret ypes and sizes Fo
rs afet yr easons, onl yuse wheels, tyres
and accessories whic hhave been appr oved
fo ry our vehicle byMercedes-Benz. These tyres ha
vebeen speciall yadap tedf or
use wit hthe control sy stems, e.g. ABS or
ESP ®
,a nd ar emarke dasf ollows:
R MO =Mercedes-BenzO riginal
R MOE =Mercedes-BenzO riginal Extended
(run-flat tyres onl yfor cer tain wheels)
R MO1 =Mercedes-Benz Original (onl ycer‐
ta in AMG tyres)
Cer tain characteristics, e.g .handling, vehicle
noise emissions or fuel consum ption, may
ot herwise be adversely af fected. In addition,
whe ndriving wi thaload, tyr edimension var‐
iations could caus ethe tyres tocome into
contact wi th thebody and axle components.
This could result in damag etothe tyres or
th ev ehicle.
Onl yuse tyres, wheels or accessories tested
and appr oved byMercedes-Benz. *
NO
TERisk todriving saf etyf romr etre a‐
de dt yres Re
treade dtyres ar eneith er tested nor rec‐
ommended byMercedes-Benz, since pr evi‐
ous damag ecanno talway sbed etected on
re treade dtyres.
Fo rthis reason drivin gsafet yc anno tbeg uar‐
anteed. #
Do no tuse used tyres if youh aveno
informatio nabout their pr evious usage. *
NO
TEPossible damag etowheels or
tyres when drivin govero bstacles Larg
ewheel shave alow er tyr esection width.
The lo werthe tyr esection width, theg reater
is ther isk of dama getowheels or tyres when
drivin govero bstacles. #
Avoid obs tacle sord rive particular ly
carefully. Wheel
sand tyres 405