2017 MERCEDES-BENZ S-CLASS CABRIOLET Owners Manual

The electrical fuses ar
elocated in various fuse
bo xes:
R Fuse bo xinthe engine compartment on the
driver's side (→ page384)
R Fuse bo xont he driver's side of thed ash‐
boar d(→pag e385)
R Fuse bo xinthe front-passenge rfootwell
(→ pag e385)
R Fuse bo xinthe boo tontheright-hand side
of thev ehicle, when vie wedint he direction
of tra vel Fu
se bo xinthe engine compartment Requ
irements:
R Obser vethen otes on electrical fuses
(→ pag e381).
Ha ve thef ollowing readil yavailable:
R Adryclo th
R Ascrew driver Opening &
WARNING Risk of inju ryfrom using the
windscreen wiper swhile thee ngine bon‐
ne tiso pen
When thee ngine bonn etis open ,and the
windscreen wiper saresetinm otion, youc an
be trapped bythew iper linkage. #
Alw ayss witc hoffthew indscreen wip‐
er sa nd ignition befor eopening the
engine bonn et. #
Release retainin gclips 1.
Pull co ver2up. 382
Breakdown assi stance

#
Remo veanye xisting moistu refrom thef use
bo xu sing adryclo th. #
Loosen scr ews4,remo vefuse bo xlid 3
from thet op.
Closing #
Chec kwhether thes eal is positioned cor‐
re ctly in thel id. #
Inser tlid int othe brac ketatt herear of the
fuse box. #
Fold down lid of thef use bo xand tighten
scr ews 4. #
Inser tcover 2on bo thsides and engage
re tainin gclips 1. #
Close thee ngine bonn et. Fu
se bo xont he dashboard The fuse bo
xisonthe side of thed ashboard
under acover. #
Open co ver1inthed irection of thea rrow
and remo veit. Fu
se bo xinthe front-passenger foot we ll Re
quirement:
R Obser vethen otes on electrical fuses
(→ pag e381). #
Open co ver1inthed irection of thea rrow
and remo veit. Breakdown assis
tance 383

Note
sonn oise or unusua lhandling charac‐
te rist ics
While driving ,pay attention tovibrations, noises
and unusual handling characteristics, e.g .pulling
to one side. This ma yindicat ethat thew heels or
tyres ar edamaged. If yous uspect that at yreis
defective, reduce your spee dimmediatel y.Stop
th ev ehicle as soon as possible tocheckt he
wheels and tyres ford ama ge.H idden tyr edam‐
ag ec ould also be causing theu nusual handling
ch aracteristics. If youf ind no sign sofdamage,
ha ve thet yres and wheels checkedataq ualified
specialis tworks hop. Re
gular checking of wheels and ty res&
WARNING Risk of accident from dam‐
aged tyres
Dama gedt yres can cause tyr epressur eloss.
As aresult, youc ould lose cont rolofy our
ve hicle. #
Chec kthe tyres regularly fors igns of
dama geand replace an ydamaged tyres
immediatel y. &
WARNING Risk of aquaplaning du eto
insuf ficient tyr etread
Insu fficien ttyret read will result in reduced
tyr eg rip. The tyr etread is no longer able to
dissipat ewater.
This mean sthat in heavy rain or slush the
ri sk of aquaplaning is increased, in particular
wher espeed is no tadap tedtos uitthec ondi‐
tions.
If th et yrep ressur eist oo high or tool ow,
tyres ma yexhibit dif fere nt le vels of wear at
dif fere nt locations on thet yret read. #
Thus, yous hould regularly checkt he
tread dep thand thec ondition of the
trea dacross thee ntir ew idthofa ll
tyres. Minimum tread dep
thfor:
R Summer tyres: 3mm
R M+S tyres: 4mm #
Fors afet yr easons, replace thet yres
befor ethe legally prescribed limit for
th em inimum tread dep thisreached. Car
ryout thef ollowing checks on all wheels reg‐
ularly ,atleastonce amonthorasr equired, e.g.
prior toalon gjou rney or drivin goff-roa d:
R Chec kthe tyr epressur e(→pag e387).
R Visual inspection of wheels and tyres for
damage.
R Chec kthe valvec aps.
The valves mus tbeprotected agains tmois‐
tur ea nd dir tbythevalvec aps appr oved
especially fory our vehicle byMercedes-Benz.
R Visual checkoft he tyr etread dep thand the
tyr etread condition across thee ntir ew idth.
The minimum tread dep thfors ummer tyres
is 3mma ndforw inter tyres 4mm. 384
Wheel sand tyres

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

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
389