2017 MERCEDES-BENZ S-CLASS CABRIOLET tyre pressure

Information on usin
gahigh-p ressur ecleaner &
WARNING Risk of an accident when
using high-pressur ecleane rswit hc ircu‐
lar je tnozzles
The wate rjet of ac ircula rjet nozzle (dirt
grinder) can cause extern all yinv isible dam‐
ag etot he tyres or chassis parts.
Component sdamaged in this wa ym ayunex‐
pec tedly fail. #
Do no tuse high-pressur ecleaner swith
circular je tnozzles toclean thev ehicle. #
Have damaged tyres or chassis parts
re placed immediatel y. To
avo id damag etoyourvehicle, obser vethef ol‐
lowing when using ahigh-pressur ecleaner:
R Keep thek eyat leas t3ma wayfromt he
ve hicle. Otherwise theb ootlid could open
unintentionall y. R
Maintain adista nce of at leas t30cmtot he
ve hicle.
R Vehicles with deco rativ efoil: parts of your
ve hicle ar ecove redw ithad ecorativ efoil.
Maintain adista nce of at leas t70cm
betwee nthe foil-c ove redp arts of thev ehicle
and then ozzle of theh igh pressur ecleaner.
Mo vetheh igh-pressur ecleaner nozzle
around whils tcleaning.
R Obser vethei nformation on thec orrect dis‐
ta nce in thee quipment manufacturer's oper‐
ating instructions.
R Do no tpoint then ozzle of theh igh-pressure
cleaner directly at sensitiveparts suc has
tyres, thes oftt op, thed raught stop net, slits,
electrical component parts, batteries, light
sources and ventilation sl ots. Wa
shing thev ehicle byhand Obser
vethel egal requ irements, e.g. in anumber
of countries, washing byhand is onl ypermitted
in specially designated wash ba ys. #
Use amild cleaning agent, e.g. car shampoo. #
Washthev ehicle wit hlukewa rmwate rusing
as oftc ar sponge. When doing so, do not
ex pose thev ehicle todirect sunlight. #
Carefully hose thev ehicle of fwithw ater and
dr yu sing achamois. Take car enot to point
th ew ater je tdirectl ytow ards thea ir inlet. Maintenanc
eand care 353

Note
sons nowc hains &
WARNING Risk of accident du etoincor‐
re ct sno wchain fitting
If yo uh ave fitted sno wchains tothef ront
wheels, thes nowc hains ma ydraga gainst
th ev ehicle body or chassis components.
This coul dcaus edamag etothevehicle or
th et yres. #
Neverfit sn ow ch ains on thef ront
wheels. #
Onlyfit sn ow ch ains on ther ear wheels
in pairs. *
NO
TEDama getothew heel trim from fit‐
te ds nowc hains If sno
wchains ar efitted tosteel wheels, the
wheel trims can be damaged. #
Remo vethew heel trims of steel wheels
befor efittin gsnowc hains. R
Sno wchains ar eonly pe rmissible forc ertain
wheel/tyr ecombinations .You can obtain information aboutt
his fromaMercedes-Benz
Service Cent re.
R Fors afet yr easons, onl yuse sn owchains that
ha ve been specifically appr ovedfor your
ve hicle byMercedes-Benz, or sno wchains
wit hthe same qualit ystandard.
R If sn owchains ar efitted, them aximum per‐
missible speed is 50 km/h.
R Vehicles with Activ eP arking Assis t:do
no tu se Parking Assis tPARKTRONIC when
sno wchains ha vebeen fitted.
R Vehicles with AIRB ODYC ONT ROLor
MAGIC BODY CONT ROL:if sn ow ch ains are
fi tted ,only driv eatraised vehicle le vel.
% Youc an permanentl ylimit them aximum
ve hicle speed ford riving wit hwinter tyres
(→ pag e175).
% Youc an deactivat eESP®
to pull away
( → pag e167). This allo ws thewheels tospin,
achieving an increased driving forc e. Ty
re pressure Note
sont yrep ressure &
WARNING Risk of accident du etoinsuf‐
fi cient or excessiv etyrep ressure
Underinfla tedoro verinfla tedt yres pose the
fo llowing risks:
R The tyres ma yburst,e speciall yasthe
load and vehicle speed increase.
R The tyres ma ywear excessivel yand/or
une venly, whic hmaygreatly impair tyre
traction.
R The drivin gcharacteristics, as well as
st eering and braking, ma ybegreatly
impaired. #
Comply wit hthe recommended tyre
pressur eand checkt he tyr epressur eof
all tyres including thes par ew heel regu‐
larly:
R at leas tonce amonth
R when thel oad changes Wheels and tyres
385

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 (→ page388).
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‐ 386
Wheels and tyres

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 e385) 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 (→ page446).
R Viat he h warning lam pinthe instrument
clus ter( →pag e477).
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. No tethat 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 ow eve r,also updat ethe refere nce val‐
ues byrestartin gthe tyr epressur emonitoring
sy stem manuall y(→pag e390).
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 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 e385)
Checking thet yrep ress urew itht he tyre
pressur emonitoring sy stem
Requ irement:
R The ignition is switched on. Wheels and tyres
387

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 386). Obse rvet he
no tesont yret emperatur e(→pag e385).
% 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 e385)
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 e385).
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 e385) 388
Wheels and tyres

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 e394). 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
391

Be sur
etoalso obse rvet he following fur ther
re lated subjects:
R Notesont yrep ressur e(→pag e385)
R Displa ymessages about thet yres
(→ pag e446)
Re starting thet yrep ress urel ossw arning
sy stem
Re quirement:
R The recommended tyr epressur eisc orrectly
se tfor ther espectiv eoperating condition on
eac hoft hefour wheel s(→pag e385).
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 e385) 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 392
Wheels and tyres

#
Screw unio nnut1 oftheh ose ont othe
va lve.
Mak esureona nd offswitch 3ofthet yre
inflation compressor is se tto0. #
Inser tplug 4intot he cigar ette lighter
soc ket(→pa ge113) in your vehicle. #
Switc hont he powersupp ly (→pag e138). #
Press on and of fswitch 3onthet yrei nfla‐
tion compressor toI.
The tyr einflation compressor is switched on.
The tyr eisinflated. The tyr epressur eis
shown on manome ter2. #
Pum pthe tyr etothe specified tyr epressure.
The specified tyr epressur eisp rinted on the
ye llo wl abel of thec ollapsible spar ewheel. #
When thes pecified tyr epressur ehas been
re ached, press on and of fswit ch 3 onthe
tyr einflatio ncompressor to0. #
Ifth et yrep ressur eish igher than thes peci‐
fi ed pressure, press pressur erelease valve
bu tton 5unti lthe cor rect tyr epressur ehas
bee nreached. 404
Wheels and tyres