2017 MERCEDES-BENZ S-CLASS CABRIOLET Owners Manual

This jeopardises
theo perating and road
saf etyoft hevehicle. #
Stow all object sinthevehicle securely
so that they canno tget intot he driver's
fo ot we ll. #
Alw aysf itth ef loor mats securel yand
as prescribed in order toensur ethat
th er eisa lway ss ufficient room fort he
pedals. #
Do no tuse loose floor mats and do not
place floor mats on topofo ne ano ther. *
NO
TEBatter ydisch arging from using
device sconnected tothed iagnostics
connection Using devices at
thed iagnostics connection
drains theb atter y. #
Chec kthe charge leve loft he batter y. #
Ifth ec har geleve lisl ow,charg ethe
batter y,e.g. bydriving aconsiderable
dis tance. Connecting equipment
tothed iagnostics con‐
nection can lead toemissions monitoring infor‐
mation being reset, fore xamp le. This ma ylead
to thev ehicle failing tomee tthe requ irements of
th en exte missions inspection during them ain
inspection. Qualified specialis
tworks hop
Aq ualified specialis tworks hop has then eces‐
sar yspecial skills, tools and qualification sto
cor rectl yc arry out an ynecessar yworkony our
ve hicle. This particularly applies towo rkreleva nt
to saf ety.
Alw aysh ave thef ollowing workcar ried out on
yo ur vehicle at aqualified specialis tworks hop:
R workreleva nt tosaf ety
R service and maintenance work
R repair work
R modifications as well as ins tallation sand
con versions
R workon electronic components Mercedes‑Benz
recommends aMercedes‑Benz
service centre. Ve
hicl eregistration
Mercedes-Ben zmayask its service centres to
car ryout tech nica linspections on cer tain vehi‐
cles. The qualit yors afet yoft hevehicle is
impr ovedasar esult of thei nspection.
Mercedes-Benz can onl yinfor myou aboutv ehi‐
cle checks if Mercedes-Benz has your registra‐
tion data.
It is possible that your vehicle has no tyet been
re gis tere diny our name in thef ollowing cases:
R Ifyo ur vehicle wasn otpur chased at an
authorised specialis tdealer.
R Ifyo ur vehicle has no tyet been examined at
aM ercedes-Ben zservic ecentre.
It is advisable toregis tery our vehicle wit ha
Mercedes-Benzs ervice centre.
Infor mMercedes-Benz as soon as possible
abouta nychang eina ddress or vehicle owner‐ 30
General no tes

ship.
Youc an do this at aMercedes-Benz service
centre, fore xamp le. Cor
rect use of thev ehicle
If yo ur emo veanyw arning sticke rs,y ou or others
could failto recognise cer tain dangers. Lea ve
wa rning sticke rs in position.
When using thev ehicle, obser vethef ollowing
information:
R thes afet yn otes in this manual
R tech nica ldataf or thev ehicle
R traf ficr ules and regulations
R laws and saf etys tandards per tainin gto
mo torv ehicles Implied
warranty
* NO
TEDama getothev ehicle arising
from violation of these operating instruc‐
tions. Damag
etothevehicle can arise from viola‐
tion of these operating instructions. This damag
eisnotcoverede ither bythe
Mercedes-Benzi mplied warrant yorbyt he
New‑ or Used- Vehicle Warrant y. #
Followt he instructions in these operat‐
ing instruction sonproper operation of
yo ur vehicle as well as on possible vehi‐
cle damage. QR code
forr escue card
The QR code is secured in thef uel filler flap and
on theo pposit eside on theB -pillar .Intheeve nt
of an accident, rescue services can use theQR
code toquickl yfind thea ppropriat erescue card
fo ry our vehicle. The cur rent rescue car dcon‐
ta ins them ostimp ortant informatio nabout your
ve hicle in acompact form ,e.g. ther outing of the
electric lines.
Fu rther information can be obtained at http://
www.mercedes-benz.de/qr-code. Ve
hicl edata storage Information from electronic control units
Electronic control unit
sarefitted in your vehicle.
Some of these ar enecessar yfor thes afeo pera‐
tion of your vehicle, while some assis tyou when
driving (driver assi stanc esystems). In addition,
yo ur vehicle pr ovides con venience and enter tain‐
men tfunctions, whic harealso made possible by
electronic control units.
Elect ronic control units contai ndatam emories
whic hcan temp orarily or permanently store
te ch nica linformatio nabout thev ehicle's operat‐
ing status ,component loads, main tenance
re qu irements and tech nica levents or faults.
In general ,this information documents thes tate
of ac omponent part, amodule, asystemort he
sur rounding ssucha s:
R operatin gstatuses of sy stem components
(e.g. fluid le vels, batter ystatus ,tyrep res‐
sure)
R status messages concernin gthe vehicle and
its individualc omponents(e.g. number of
wheel revo lutions/speed, decele ration, lat‐ General no
tes31

eral acceleration
,displa yoft hefast ened seat
belts)
R malfunctions or defectsini mportant sy stem
components (e.g. lights, brakes)
R information on vehicle damag eevents
R system reaction sinspecial drivin gsituations
(e.g. airbag deployment, inter ventio nofs ta‐
bilit ycontrol sy stems)
R ambient conditions (e.g. temp erature, rain
sensor)
In addition toprov iding thea ctual control unit
function ,this dat aassists them anufacturer in
de tecting and rectifying faults and optimising
ve hicle functions. The majority of this dat ais
te mp orar yand is onl yprocessed in thev ehicle
itself. Onl yasmall portion of thed ataiss tored
in thee vent or fault memor y.
When your vehicle is serviced, tech nica ldata
from thev ehicle can be read out byservice net‐
wo rkemplo yees or thirdp arties .Services
include repair services, maintenanc eprocesses,
wa rrant yevents and qualit yassurance meas‐
ures, fore xamp le. The read out is per form ed via
th el egall yprescribed por tfor OBD ("on-board diagnostics"
)inthevehicle. The respective
service networ klocations or thirdp arties col‐
lect ,proces sand use thed ata. The ydocument
te ch nica lstatuses of thev ehicle, assis tinfind‐
in gf aults and impr oving qualit yand ar etrans‐
mit tedtot he manufacturer ,ifnecessar y.Fu r‐
th ermore, them anufacturer is subject toprod‐
uct liability .For this, them anufacturer requ ires
te ch nica ldataf romv ehicles.
Fa ult memories in thev ehicle can be rese tbya
service outle taspartofr epair or maintenance
wo rk.
The ycan enter dat aintot he vehicle's con veni‐
ence and inf otainment function sthemselves as
par toft he selected equipment.
This includes, fore xamp le:
R multimedia dat asuchasm usic,films or pho‐
to sf or playbac kinanintegrated multimedia
sy stem
R address book dat afor use in connection with
an integrated hands-free sy stem or an inte‐
grated navigation sy stem
R entered navigation destinations
R dataabout theu se of Interne tservices This dat
acan be stored locally in thev ehicle or
is located on adevice whic hyou ha veconnected
to thev ehicle. If this dat aisstore dint hevehi‐
cle, youc an dele teit at an ytime. This dat acan
onl ybet ransmit tedtot hirdp arties upon your
re qu estw ithp articular rega rd tothes cope of
use of online services according to your selected
settings.
Yo uc an stor eorc hangeconvenience settings/
individualisations in thev ehicle at an ytime.
Depending on thee quipment, this includes, for
ex ample:
R seat and steering wheel position settings
R suspension and climat econtrol settings
R individualisations suc hasinterior lighting
If yo ur vehicle is accordingly equipped,y ou can
connect your smartphon eoranother mobile end
device tothev ehicle. Youc an cont rolthem via
th ec ontrol element sintegrated in your vehicle.
Images and audiof romt he smartphone can be
output via them ultimedia sy stem. Cer tain infor‐
matio nissimultaneousl ytransmit tedtoy our
smartphone. 32
General no tes

Depending on
ther espectiv eintegration type,
th is includes, fore xamp le:
R general vehicle information
R position data
This enables theu se of selected smartphone
Apps, e.g. navigation or music playbac k.Ther eis
no fur ther interaction between thes martphone
and thev ehicle; in particular ,vehicle dat aisnot
directl yaccessible. The type of fur ther dat apro‐
cessin gisdetermined bythep rovide roft he App
used. The respectiv eApp and your smartphone's
operatin gsystemd etermine whe ther changes
can be made tothes ettings and whic hsettings
can be changed. Service pr
oviders Wire
less networ kconnection
If yo ur vehicle has awireless networ kconnec‐
tion, it enables dat atobeexchanged between
yo ur vehicle and additional sy stems. The wire‐
less networ kconnection is enabled via thev ehi‐
cle's transmission and reception uni torvia con‐
nected mobil eend device s(e.g .sma rtphones). Onlin
efunction scan be used via thew ireless
networ kconnection. This includes online serv‐
ices and applications/Apps pr ovided bythe
manufacturer or other pr oviders.
Manu factu rer's se rvices
The manufacturer describes ther espectiv efunc‐
tions and cor responding legal dat aprotection
information when suitable fort he manufacturer's
online services. Personal dat amaybe used for
th ep rovision of online services. Dat ais
ex ch anged via asecur econnection, e.g .tothe
manufacturer's designated IT sy stems. Personal
dat aisc ollected, processed and used via the
pr ov ision of service sexclusivel yonthe basis of
legal permissions or wit hprior consent.
The services and function s(sometimes subject
to afee) can usually be activated or deactivated.
In some cases, this also applies tothee ntire
ve hicle's dat aconnection. This excludes, in par‐
ticular ,legally prescribed function sand services.
Thir dparty se rvices
If it is possibletou se onlineservices from other
pr ov iders, these services ar esubject tothed ata
pr otection and term sofu se ofther esponsible pr
ov ider .The manufacturer has no influenc eon
th ec ontent exc hanged.
Please enquire, therefore, about thet ype, scope
and purpose of thec ollection and use of per‐
sonal dat aaspartoft hirdp arty service sfrom
th eir respectiv eprovide r. Copyright
Informatio nonfreea nd open source software
licences fory our vehicle's softwar ecan be found
on thed atas tora ge medium in your vehicle
document walleta nd on theI nterne ttog ether
wit hu pdates:
http://www.mercedes-benz.com/opensource General no
tes33

Re
stra int sy stem Pr
otection byther estraint sy stem The
restra int sy stem includes thef ollowing:
R Seat belt sy stem
R Airbags
R Child restra int sy stem
R Child seat securing sy stem
The restra int sy stem can reduce ther isk of vehi‐
cle occupants coming int ocontact wit hparts of
th ev ehicle interior in thee vent of an accident. In
th ee vent of an accident, ther estraint sy stem
can also reduce thef orces towhic hthe vehicle
occupants ar esubjected.
As eat belt can onl yprovide theb estleve lofp ro‐
te ction if it is worncor rectl y.Depending on the
de tected accident situation, sea tbeltt ensione rs
and/or airbags supplement thep rotection
of fere dbyac orrectly wornseat belt. Seat belt
te nsioner sand/or airbags ar enotdepl oyed in
ev erya ccident. In order
fort he restra int sy stem toprov ide the
intended le velofp rotection, eac hvehicle occu‐
pant mus tobser vethef ollowing information:
R Fasten seat belts cor rectl y.
R Sit in an almos tupright seat position wi th
th eir bac kagains tthe seat backrest.
R Sit wit htheir feet resting on thef loor ,ifp os‐
sible.
R Alw ayss ecur epersons under 1.50 mt all in
an additional restra int sy stem suitable for
Mercedes-Benzv ehicles.
Ho wever,no sy stem available toda yc an com‐
ple tely eliminat einjuries and fata lities in every
acciden tsituation .Inparticular ,the seat belt
and airbag generally do no tprotect against
objects penetrating thev ehicle from theo utside.
It is also no tpossible tocompl etelyr ule out the
ri sk of injur ycaused bythea irbag deploying. Re
duce drestraint sy stem pr otection &
WARNING Risk of inju ryor deat hfrom
modifications tother estraint sy stem
The restra int sy stem can no longer function
cor rectly af tera lterations ha vebeen made.
The restra int sy stem ma ythen no tprotect
th ev ehicle occupants as intended byfailing
in an accident or triggering unexpec tedly ,for
ex ample #
Nevera lter thep arts of ther estraint
sy stem. #
Nevertamper wit hthe wiring or any
electronic component parts or their
software. If it is necessar
ytomodifythev ehicle toaccom‐
modat eaperson wit hdisabilities, con tact a
qu alified specialis tworks hop.
Mercedes-Benz recommends that youo nly use
drivin gaids whic hhaveb een appr ovedspecifi‐
cally fory our vehicle byMercedes-Benz. 34
Occupant saf ety

Re
stra int sy stem functionality When
thei gnition is switched on, asystems elf-
te st is per form ed, during whic hthe 6
re stra int sy stem warning lam plight sup. It goes
out no later than afew second safter thev ehicle
is star ted. The components of ther estraint sys‐
te ma rethen functional. Malfunctioning
restra int sy stem Am
alfunction has occur redint herestra int sys‐
te mi f:
R The 6 restra int sy stem warning lamp
does no tlight up when thei gnition is
switched on.
R The 6 restra int sy stem warning lamp
light supc ontinuousl yorrepeatedly during a
journe y. &
WARNING Risk of inju ryor fata linjury
due toam alfunctio nintherestra int sys‐
tem
If th er estraint sy stem is malfunctioning,
re stra int sy stem components ma ybetrig‐
ge redu nintentionall yormight no tbetrig‐
ge redata ll inthee vent of an accident. This
ma yaffect thes eat belt tensioner or airbag,
fo re xamp le. #
Have ther estraint sy stem checkeda nd
re paired immediatel yataqualified spe‐
cialis tworks hop. Fu
nction of ther estraint sy stem in an acci‐
dent Ho
wt he restra int sy stem worksisd etermined by
th es eve rity of thei mp act de tected and thet ype
of acciden tanticipated:
R Frontal impact
R Rear impact
R Sideimp act
R Rollover The activation
thre sholds fort he components of
th er estraint sy stem ar edetermined based on
th ee valuatio nofthe sensor values measured at
va rious points in thev ehicle. This process is pre-
em ptiveinn ature. The triggering/deployment of
th ec omponents of ther estraint sy stem should
ta ke place in good time at thes tart of thec olli‐
sion.
Fa ctor swhich can only be see nand measu red
af te rac ollision has occur redc ann otpla yad eci‐
siv erole in airbag deployment, nor do they pro‐
vide an indication of airbag deployment.
The vehicle ma ybedeformed significantl ywith‐
out an airbag being deplo yed. This is thec ase if
onl yparts whic hare re lativel yeasil ydeformed
ar ea ffected and ther ateofv ehicle deceleration
is no thigh. Con versely ,ana irbag ma ybe
deplo yede vent hough thev ehicle suf fers only
minor deformation. If very rigid vehicle parts
suc hasl ongitudinal member sarehit, fore xam‐
ple, thev ehicle deceleration ma ybehigh enough
fo rt his tohappen. Occupant saf
ety35

The co
mponent softherestra int sy stem can
be activated or deplo yedi ndependentl yof
eac hother: Component De
tected deploy‐
men tsituation
Seat belt tensioner sFrontal impact, rear
impact ,side impact,
ro llo ver
Driver' sairbag, front
passenger airbag Fr
ontal impact Knee airbag
Frontal impact Side impact airbag Side impact
Head airbag Side impact, rollo ver,
frontal impact The front passenger airbag can onl
ybedeployed
in an acciden tifthePASSENGER AIR BAGO FF
indicator lam pisoff.Ift he front passenger seat
is occupied, mak esure, bo thbefor eand during
th ej ourne y,that thes tatus of thef ront
passenger airbag is cor rect (→ page 48). &
WARNING Rick of burns from ho tairbag
components
The airbag parts ar ehotafte rana irbag has
been depl oyed. #
Do no ttouc hthe airbag parts. #
Have ad eplo yeda irbag replaced at a
qu alified specialis tworks hop as soon
as possible. Mercedes-Benz
recommends that youh avet he
ve hicle towe dtoaq ualified specialis tworks hop
af te rana ccident. Take this int oaccount ,partic‐
ularly if aseat belt tensioner is trig geredoran
airbag deplo yed.
If th es eat belt tensioner saretrig geredorana ir‐
bag is deplo yed, youw ill hear abang, and a
smal lamoun tofpowder ma yalso be released:
R The bang will no tgene rallya ffect your hear‐
ing.
R Ingeneral ,the powder released is no thaz‐
ardous tohealt hbut ma ycause short-term
breathing dif ficulties topersons suf fering
from as thma or other pulmonar yconditions. Pr
ov ided it is saf etodoso, leavethev ehicle
immediately or open thew indo wino rder to
pr eve nt brea thing dif ficulties. Sea
tbelts Pr
otection pr ovided bythes eat belt Alw
aysf asteny our seat belt cor rectly before
st artin gajourney .As eatb eltc an only pr ovide
th eb estleve lofp rotection if it is worncor rectly. &
WARNING Risk of inju ryor deat hdueto
incor rectly fastened seat belt
If th es eat belt is no twornc orrectly ,itc an‐
no tp erform its intended pr otectiv efunction.
In addition, an incor rectly fastened seat belt
can also cause injuries, fore xamp le, in the
ev ent of an acciden torwhen braking or
ch anging direction sudden ly. #
Alwa ys ensur ethat all vehicle occu‐
pants ha vetheir seat belts fastened
cor rectl ya nd ar esitting prope rly. 36
Occupant saf ety

In order
fort he cor rectly wornseat belt topro‐
vide thei ntended le velofp rotection, eac hvehi‐
cle occupant mus tobser vethef ollowing infor‐
mation:
R The seat belt mus tnotbe twis teda nd must
fi tt ightly and snu glya cross theb ody.
R The seat belt mus tberouted across the
centr eofthe shoulder and as lo wdown
across theh ips as possible.
R The shoulder section of thes eat belt should
no ttouc hyour nec knor be routed under
yo ur ar morb ehindyour bac k.
R Avoid wearing bulk ycloth ing, e.g. awinter
coat.
R Push thel ap belt down as farasp ossible
across your hips and pull tight wit hthe shoul‐
der section of theb elt. Ne verrout ethe lap
belt across your abdomen.
R Neverrout ethe seat belt across sharp, poin‐
te d, abrasiv eorfragile objects.
R Onlyone person should use eac hseat belt at
an yo ne time. Ne vera llow babies and chil‐
dren totrave lsitting on thel ap of ano ther
ve hicle occupant. R
Nevers ecur eobjects wit haseat belt if the
seat belt is also being used byone of the
ve hicle's occupants. Alw ayso bser vethe
instructions forl oading thev ehicle when
securing objects, luggag eorloads
(→ pag e108).
Also ensur ethat no objects, e.g. acushion,
ar ee verp laced between aperson and the
seat.
If ch ildren ar etrave lling in thev ehicle, be sur eto
obser vethei nstruction sand saf etyn otes on
"Children in thev ehicle" (→ page52). Re
duce dseatb eltp rote ction &
WARNING Risk of inju ryor deat hdueto
incor rect sea tposition
The sea tbeltd oesn otoffert he intended
le ve lofp rotection if youh ave notm ove dthe
seat backres ttoanalmostvertical position.
When braking or in thee vent of an accident,
yo uc ould slide underneat hthe seat belt and sus
tain abdominal or nec kinjuries, fore xam‐
ple. #
Adjus tthe seat proper lybefor ebegin‐
ning your journe y. #
Alw ayse nsur ethat thes eat backres tis
in an almos tvertical position and that
th es houlder section of your seat belt is
ro uted across thec ent reofyour shoul‐
der. &
WARNING Risk of inju ryor deat hdueto
an extende dseatb elte xtende rwhile the
ve hicle is in motion
If th es eat belt extende rise xtende dwhile
th ev ehicle is in motion, thes eat belt will not
fi tc orrectl ya gainst theb ody.
The seat belt ma ynotthen pr ovide the
proper pr otection. #
Alw ayse nsur ethat thes eat belt
ex tende risr etra cted whil ethe vehicle
is in motion. Occupant saf
ety37