engine MERCEDES-BENZ C-CLASS CABRIOLET 2019 Owner's Manual

Te
ch nical data.......................................... 409
No teson tech nica lda ta <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 409
Ve hicle electr onics ...... ..................... ..........4 09
Ve hicle identif ication plate,VIN and
engine number overview .................. ...........4 11
Oper ating fluids ............ .................. ............ 413
Ve hicle data... ............................................. 419 Disp
laymes sagesand warning/indi‐
cat orlam ps............................................... 42 1
Displa ymessag es........ .................... ...........4 21
Wa rning and indic ator lam ps...................... 469 Inde
x......................................................... 483 4
Contents

Pr
otecting theen vir onmen t
000F ENV
IRONM ENTALNOTEEnvironme ntal
da ma gedue tooper ating condit ionsand
per sonal driving style The
pollut antemission ofyour vehicle is
dir ectl yre lat ed tothewa yyo uoperat eyo ur
ve hicle.
Help toprotect theen vironmen tby oper ating
yo ur vehicle inan environment allyre sponsi‐
ble manner .Please observethefo llo wing rec‐
omme ndations onope rating cond itions and
pe rsonal driving style.
Oper ating conditions: 0007
Mak esur eth at thetir epr essur eis cor‐
re ct. 0007
Donotcar ryanyunn ecessar ywe ight
(e.g. roof lugg agera ck sonce youno
lon gerneed them). 0007
Adher eto theser vice interva ls.
A regular lyser viced vehicle willcont rib‐
ut eto environmen talpr otect ion. 0007
Alw aysha ve maint enance workcar ried
out ataqu alif ied spec ialistwo rkshop.
Pe rsonal driving style: 0007
Donotdepr esstheaccelera torpeda l
when star tin gth eengine. 0007
Donotwa rm uptheengine whilethe
ve hicle isstatio nary. 0007
Drive car efu llyand maintain asu itab le
di st anc efrom theve hicle infront. 0007
Avoid freq uent, sudden acceleration
and braking. 0007
Chang ege ar ingood timeand useeach
ge ar onlyup to00C3 ofits maximum
engine speed. 0007
Switc hof fth eengine instatio narytraf‐
fi c, e.g. byusin gth eEC Ostar t/ stop
funct ion. 0007
Drive fuel-ef ficie ntly .Obs erve theEC O
displa yfo ra fuel -efficie ntdrivi ng style. 000F
ENVIR
ONMEN TALNO TEEnvironme ntal
po lluti on cau sed byirre sponsible dis‐
posal ofthehigh-v oltagebatt ery A
high-v oltagebatt erycon tains mat erials
whic har ehar mful totheen vironmen t. 0007
Dispose ofdef ective high-v oltagebat‐
te ries ataqu alif ied spec ialistwo rk‐
shop. En
vir onmental issuesandrecomm endations:
It is recomme ndedthat youre -us eor recy cle
mat erials ins tead ofjus tdispo singof them.
The releva nt environme ntal gu ideline sand regu‐
lations servetoprotect theen vironmen tand
mus tbe strictly observe d. Gener
alno tes 21

eq
uipped withall featur esdesc ribed. Thisisalso
th ecase forsy stems andfunc tionsre leva nt to
saf ety. Ther efor e, theeq uipment onyour vehicle
ma ydif ferfr om that inthedescr iption sand illus‐
tra tion s.
The original purchase agreeme ntforyo ur vehicle
cont ains alis tof all ofthesy stems inyour vehi‐
cle.
Should youha ve anyqu estion scon cerning
eq uipment andoper ation, please consult an
aut hor ized Mercedes- BenzCenter.
The Oper ator's Manual andMaint enanc eBook let
ar eim por tant docum ents andshould be kept in
th eve hicle. Ser
vice andvehicl eoper ation Ve
hicl eoper ation outside theUS Aor Cana da When
youar eabr oad withyo ur vehicle, observe
th efo llo wing points:
R service point sor replacemen tpar tsma yno t
be available immediat ely. R
unle aded fuelmayno tbe available forve hi‐
cles withacat alytic converter .Leaded fuel
ma ycause damag eto thecat alytic converter .
R thefuel mayha ve an extreme lylow oct ane
num ber.Un suit able fuelcancause engine
damag e.
Some Mercedes-Benz modelsareav ailable in
Eur ope thro ugh ourEuropean DeliveryPr og ram.
Fo rmor einf ormation, pleaseconsult anauthor‐
ized Mercedes‑B enzservice center,or write to
one ofthefo llo wing address:
in theUS A:
Mer cede s-Benz USA,LLC
Eur opea nDeliv eryDepar tment
One Mercedes-Benz Drive
Sandy Springs, GA30328
in Canada:
Mer cedes-Benz Canada,Inc.
Eur opea nDeliv eryDepar tment
98 Vande rhoof Avenue
To ronto, Ont ario M4G 4C9 Mai
nten anc e Yo
ur cus tomer advisorconf irms theser vice in
th eser vice repor t. Ro
adside Assistan ce The
Mercedes -Benz Roadside Assis tance Pro‐
gr am offers tech nica lhel pin thecase ofa
br eakdo wn.Your calls totheto ll-f reeRo adside
As sis tance Hotline areans weredby our agents
24 hour sa da y,365 days aye ar.
1- 80 0-FO R-MER Cedes (1-800-367-63 72)(US A)
1-8 00-387-0 100(Canada)
Yo ucan find further information inthe
Mer cedes-Ben zRo adside Assis tance Progr am
br oc hu re (US A)orthe"R oadside Assistance"
secti oninthemaint enanc eand warrant yinf or‐
mat ionbook let(Canad a).Youwill find both in
th eve hicle document wallet. Chang
eof address orchang eof ow ner ship In
theeve ntofach ang eof addr ess, please send
us the"No tification ofaddr esschang e"inthe Gene
ralno tes 23

The
child can notbe restra ined intheeve ntof
an acci dent, hea vybraki ng orasu dd en
ch ang eof dir ect ion. 0007
Alw aysre place child restra int systems
immediat elyth at have been damag edor
in vo lved inan acciden t. 0007
Have thesecur ingsystems forth ech ild
re stra int systems checkedat aqu alif ied
spec ialistwo rkshop beforeins talling a
ch ild restra int system again. Av
oiding direct sunli ght 000A
WARNIN GRisk ofburnswhen thech ild
seat isex posed todirect sunlight
If th ech ild restra int system isex posed to
dir ect sunlight orheat, partscould heatup.
Childr encould sufferbur nsfrom these parts,
par ticular lyon metallic partsof thech ild
re stra int system. 0007
Alw aysmak esur eth at thech ild
re stra int system isno tex posed to
dir ect sunlight . 0007
Protect itwit hablank et,fo rex am ple. 0007
Ifth ech ild restra int system has been
ex posed todirect sunlight ,allo witto
cool beforesecu ring ach ild intoit. 0007
Neverlea vechildr enunat tende din the
ve hicle. Obser
vewhen stopping orpar king 000A
WARNIN GRisk ofacci dent andinjury
due tochildr enand animals leftunat ten‐
de din theve hicle
If yo ulea vechildr enand animals unattende d
in theve hicle, they ma ybe ableto setth e
ve hicle inmo tion, forex am ple by:
R Releasing thepar king brak e.
R Shif ting theaut omatic transmission out
of par kposition 005D.
R Startin gth eengine.
In addition, they ma yoper ateve hicle equip‐
ment andbecome trapped. 0007
Neverlea vechildr enand animals unat‐
te nde din theve hicle. 0007
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. 000A
WARNIN GRisk offata linj urydue to
ex posur eto extreme heat or col din the
ve hicle
If people –par ticular lych ildr en–ar e
ex posed toextreme temp eratur esover an
ex tende dpe riod oftime, ther eis arisk of
ser ious oreve nfa ta linj ury. 0007
Neverlea veanyone –pa rticular lych il‐
dr en –unat tende din theve hicle. 0007
Neverlea veanim alsintheve hicle unat‐
te nde d. Occu
pant safety 53

Smar
tKey Ov
ervie wof Smar tKey functio ns 000A
WARNIN GRisk ofacci dent andinjury
due tochildr enleftunat tende din the
ve hicle
If ch ildr enarelef tunat tende din theve hicle,
th ey cou ld:
R Ope ndoo rs,th er eb yendang ering other
per sons orroad user s.
R Getout oftheve hicle andbehit by
oncom ingtraf fic.
R Ope rate vehicle equipment andbecome
tr apped, forex am ple.
In addit ion,ch ildr encould alsosetth eve hi‐
cle inmo tion, forex am ple, by:
R Releasing thepar king brak e.
R Shif ting theaut omatic transmiss ionout
of par kposition 005Dorshif ting manual
tra nsmiss ionintoneutral .
R Startin gth eengine 0007
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. 0007
Neverlea vechildr enand animals unat‐
te nde din theve hicle. 0007
Keep theSmar tKey out ofreac hof chil‐
dr en. 000E
NO
TEDama getotheke ycaus edby
magne ticfields 0007
Keep theke yaw ay from stro ng ma g‐
ne tic fields. 1
Locks
2 Batt erych ecklam p
3 Unlocks
4 Opens thetrunk lid
5 Panic alar m
0009 The Sma rtKe yma yva ry from theone shown
in thediagr am,depending ontheve hicle
eq uipment.
The Smar tKey loc ksand unlocksth efo llo wing
com pone nts:
R thedoor s
R thetrunk lid
R thefuel filler flap 62
Openingand closing

Loc
king/u nlocking thedr iver' sdoor withth e
emer gency key 0009
Ifyo uwish toloc kth eve hicle entirelyusing
th eemer gency key,firs tpr es sth ebutt onfor
loc kin gfrom theinside whilethedr iver's
door isopen. Thenproceed toloc kth edr iv‐
er's door using theemer gency key. 0007
Inser tth eemer gency keyas faras itwil lgo
int oopening 1intheco ver. 0007
Pull and hold thedoor handle. 0007
Pull theco veron theemer gency keyas
st ra ight aspossible away from theve hicle
until itre leases. 0007
Release thedoor handle. 0007
Tounlo ck:tur nth eemer gency keyco unt er-
clo ckwise toposition 0047. 0007
Toloc k:tur nth eemer gency keyclo ckwise to
position 0047. 0007
Carefully press theco veront oth eloc kcyli n‐
der until iteng ages and isseat edfirm ly. Tr
unk Openi
ngthetrunk lid 000A
DANG ER Risk ofexhaus tga spoisoning
Combus tionengines emitpoisonous exhaus t
ga ses suchas carbon monoxide.Exhaus t
ga ses can entertheve hicle interior ifth e
tr unk lid is op en when theengine isrunning ,
esp ecially ifth eve hicle isin mo tion. 0007
Alw aysswitc hof fth eengine before
opening thetrunk lid. 0007
Neverdr ive wit hth etrunk lidopen. 70
Openin gand closing

R
Awi nd screenbe hind both rear seat head
re stra int s
When AIRC AP isacti vated, thewind deflect or
and thewind screen extend simu ltane ously .
AIR CAPcan beactiv ated ordeactiv ated at
speeds ofup toappr oximat ely10 0mp h
(1 60 km/ h). 000A
WARNIN GRisk ofbeco ming trap ped
whe nre tracti ngAIR CAP
It is possib leforper sons tobecome trapped
when retracti ngAIR CAP. 0007
Mak esur eth at per son sdo nothold
on to theupper frame ofthewindshield
and donotto uc hth ewind deflect oror
th ewind screen. 0007
Switc hon theignition . 0007
Toactiv ate: pul lbutt on1.
AIR CAPex tends and theindicat orlam pon
butt on1 lights up. 0007
Todeac tivate: press button 1.
AIR CAPre tracts andtheindicat orlam pon
butt on1 goes out. If
th eve hicle ispar kedwit hth esof tto popen
and theignition isswitc hedoff,AIR CAPwill
re tract automatical ly.
When youre star tth eengine afte rha ving been
par ked, AIR CAPwill extend again au tomatical ly. Ins
tall ing and remo ving the folding wind
scr een 000A
WARNIN GRisk ofacci dent whenus ing
th ewind screen inpoor visibility condi‐
tion s
The wind screen impair syo ur vie wto the
re ar,par ticular lywh en dark or inpoor visibil‐
ity condit ions. 0007
Onlyuse thewind screen ingood visibil‐
ity con ditions . Openin
gand closing 81

Fo
llowtheins truction sin reve rseor der to
re mo vethefo lding windscreen. Pr
oblems withth esof tto p Pr
oblem
Possible causes/conseq uencesand0050 0050
Solutions
The softto pwill notopen orclose. Theignit ionisno tswitc hedon. 0007
Mak esur eth at theignition isswitc hedon.
The on-boar delectr icalsystem voltag eis toolow. 0007
Startth eengine.
The softto phas been opened andclosed severaltim esinarow .The soft-top drive ha sbee nsw itched off
au tomatical lyand willbeavailable again afte rapp roxima tely tenminu tes. 0007
Repeat theopening orclosing procedur eaf te rapp roxima tely tenminu tes.
The trunk partition isno tclosed. 0007
Remo veoverhanging luggageand close thetrunk partition.
The trunk lidisopen. 0007
Close thetrunk lid(0013 page71 ).
Th eme chanic alsof t-to pcom ponen tsor con trol system aredef ective. 84
Opening andclosing

Pr
oblem
Possible causes/conseq uencesand0050 0050
Solutions 0007
Visit aqu alif ied spec ialistwo rkshop.
Yo uar edr ivin gat aspee dgr ea terth an 37 mph(60 km/h). 0007
Reduce your spee dto belo w37 mph(60 km/h). Anti-t
heftpr otection Fu
nction oftheimm obiliz er The
immo bilizerpreve nts your vehicle from being
st ar tedwit hout thecor rect Smar tKey .
The immobilizer isaut omaticall yactiv ated when
th eignition isswitc hedoffand deactiv ated when
th eignition isswitc hedon.
When leaving theve hicle, alwaysta ke theSmar t‐
Ke ywit hyo uand lockth eve hicle. Anyone can
st ar tth eengine ifava lid Smar tKey has been left
inside theve hicle.
0009 Intheeve nttheengine cannotbe star ted
(y et theve hicle ’sstar terbatt eryis ch arge d),
th esy stem isno toper ational. Contactan
aut hor ized Mercedes- BenzCenteror call 1-8
00-FOR-MER Cedes (intheUS A)or
1-8 00-387-0 100(in Canada). ATA
(anti-thef tala rm system) Fu
nction oftheATA system
If th eATA system isarmed, avisual andaudible
alar mistrigg ered inthefo llo wing situat ions:
R when adoor isopen ed
R when thetrunk lidisopened
R when thehood isopened
The ATA system isarmed automaticall yaf te r
appr oximat elyte nseco ndsinthefo llo wing situa‐
tion s:
R afte rloc king theve hicle withth eSmar tKey
R afte rloc king theve hicle using KEYLES S-GO Indicat
orlam p1 flashes whentheAT Asy stem
is armed. Openin
gand closing 85

No
teson thecor rect driver' sseat position 000A
WARNIN GRisk ofinju ryfrom adju sting
th eve hicle settin gswhile theve hicle isin
mo tion
Yo uco uld lose contro lof theve hicle inthe
fo llo wing situat ions:
R ifyo uadj ustth edr iver's seat, thehead
re stra int ,th esteer ing wheel orthemir ror
while theve hicle isin mo tion
R ifyo ufa sten your seat beltwhile theve hi‐
cle isin mo tion 0007
Beforest ar tin gth eengine: adjustth e
dr iver's seat, thehead restra int ,th e
st eer ing wheel orthemir rorand fasten
yo ur seat belt. En
sur eth efo llo wing when adjustingth esteer ing
wheel 1,seat belt2and driver's seat 3:
R youar eas faraw ay from thedr iver's airbag
as possible
R youar esit tin gin an upr ight position
R your thighs areslight lysuppor tedby theseat
cushion R
your legs areno tfull yex tende dand youcan
depr essthepedals proper ly
R thebac kof your head issuppo rted ateye
le ve lby thecent erofthehead restra int
R youcan hold thesteer ing wheel withyo ur
ar ms sligh tly ben t
R youcan moveyour legs freel y
R youcan seeallthedispla yson theins tru‐
ment clusterclea rly
R youha ve agood overview of thetraf fic con‐
di tions
R your seat beltispulled snug lyag ains tyo ur
body andisrouted acr oss thecent erofyour
sho ulder andacross your hips inthepelvic
ar ea Seats
andstow ing 87