2019 MERCEDES-BENZ C-CLASS CABRIOLET battery

0007
Todeac tivate: press the0037 buttononthe
Smar tKey twi ce inqu ick succ ession .
The batterych ecklam pof theSmar tKey
fl ashes twicebr ief lyand light sup once. 0007
Toactiv ate: press anybutt onontheSmar t‐
Ke y.
0009 When theve hicle isstar tedwit hth eSmar t‐
Ke yin thestow agecom partment ofthecen‐
te rconsole, theSmar tKey functions are
au tomatical lyact ivat ed (0013 page12 9). Re
mo ving /ins ertin gthe eme rgency key 0007
Toremo ve:pr ess release button1.
Em erge ncy key2 ispush edout slightly. 0007
Pull outemer gency key2 untilit en gage sin
th eint ermediat eposition .
0009 Youcan usetheint ermediat eposition of
emer gency key2 toatt achth eSmar tKey to
a ke yring. 0007
Press release button1 again and fully
re mo veemer gency key2. 0007
Toinser t:press release button1. 0007
Insertemer gency key2 totheint ermediat e
position orfull yuntil iteng ages. Re
plac ingthe Smar tKey batt ery 000A
DANG ER Serious damag eto healt h
caused byswallo wing batteries
Batt eries cont aintoxic and corrosiv esub‐
st anc es.Swallo wing batteries ma ycause
ser ious damag eto healt h.
Ther eis arisk offata linj ury. 0007
Keep batt eries out ofthere ac hof chil‐
dr en. 0007
Ifbatt eries aresw allo wed,seek medical
att ent ion immediat ely. 000F
ENVIR
ONMEN TALNO TEEnvironme ntal
da ma gecau sed byimproper disposal of
batt eries Bat
teries con tain polluta nts. Itis
illeg alto dispose ofthem withth ehousehold
ru bbish. 0007
Dispose
ofbatt eries inan
en vironmen tally re sponsible manner.
Ta ke disc hargedbatt eries toaqu alif ied
spec ialistwo rkshop ortoacol lection
poin tfo rused batteries. 64
Opening andclosing

Re
quirement s:
R Youre qu ire aCR 203 23V cell battery.
Mer cedes-Ben zre comme ndsthat youha ve the
batt eryre placed ataqu alif ied spec ialistwo rk‐
shop. 0007
Remo vetheemer gency key(0013 page64 ). 0007
Press release button2 down fullyand slide
co ver1 inthedir ect ion ofthear row . 0007
Foldout cover1 inthedir ect ion ofthe
ar row and remo ve. 0007
Remo vebatt erycom partmen t3 and take
out thedisc hargedbatt ery. 0007
Inser tth ene wbatt eryint obatt erycom part‐
ment 3.Obser vethepositiv epole marking
in thebatt erycom partmen tand onthebat‐
te ry when doingth is. 0007
Push inbatt erycom partment 3. 0007
Re-att achco ver1 and push ituntil it
eng ages. Pr
obl ems with theSm artK ey Pr
oblem
Possible causes/conseq uencesand0050 0050
Solutions
Yo ucan nolongerloc kor unloc kth e
ve hicle. Po
ssible causes are:
R The Smar tKey batt eryis disc hargedor near lydisc harged.
R Ther eis int erfere nce from apo we rful radio signal source. Openin
gand closin g65

0007
Toreduce theleve l:pr ess butt on1
re peat edlyuntil thedesir edheating leve lis
se t.
Depe ndingon theheating leve l,up tothre e
indic ator lam pslight up. 0007
Toswitc hof f:pr ess butt on1 repeat edly
until alltheindicat orlam psgo out.
0009 Afterswitc hingoff,th eblo werru ns on fora
fe w sec ond sto cool down theheating ele‐
ment s.
0009 Ifth eve hicle batteryvo ltag eis toolow, AIR ‐
SC ARF maysw itchof f. 0007
Adjus tth eAIRSC ARFvent (0013 page 127).
Ma kesur eth at ther ear eno objec tscovering the
air intakeon thebac kof thehead restra int .
Mak esur eth at obj ect sdo notent ertheve nts in
th ehead restra int s. Ste
ering wheel Ad
jus tingthe steer ing wheel manua lly 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. 000A
WARNIN GRisk ofentr apment forch il‐
dr en when adjustingth esteer ing wheel
Childr encould injureth emselv esifth ey
adjus tth esteer ing wheel. 0007
Neverlea vechildr enunat tende din the
ve hicle. 0007
When leaving theve hicle, alwaysta ke
th eSmar tKey wit hyo uand lockth e
ve hicle. 0007
Push release leve r1 down asfaras itwil l
go.
The steer ing column isunloc ked. 96
Seats andstow ing

mus
tbe locat edinmar kedspace 2onsym‐
bol 3during theent ire jour ney. 0007
Have theSmar tKey 1 checkedat aqu alif ied
spec ialistwo rkshop.
If th eve hicl edoes notst ar t: 0007
Place SmartKey 1 inmar kedspace 2and
lea veitth er e. 0007
Depr essthebr ak epedal andstar tth eve hicle
using thest ar t/ stop butt on.
0009 Youcan also switchon thepo we rsupp lyor
th eignition withth est ar t/ stop butt on. St
arting theve hicl evia Remo teOnline serv‐
ices Cooling
orheating theve hicl eint erior before
co mmenci ngyour jour ney
0009 This function isno tav ailable inall coun tries.
If yo ust ar tth eve hicle viayour smar tphon e,the
pr ev iousl yselec tedair con dition ingadjus tment
is activ e. En
sur eth efo llo wing beforest ar tin gth eengine:
R The legalstipulation sin thear ea wher eyo ur
ve hicle ispar kedallo wengin est ar tin gvia
smar tphon e.
R Itis saf eto star tand runth eengine where
yo ur vehicle ispar ked.
R The fuel tank issu fficien tly filled.
R The star terbatt eryis suf ficie ntly charge d.
0009 Youcan also setth ete mp eratur ewit hyo ur
smar tphon e.Info rm atio non Mer cedesme
con nectand other services: http://
www .mercedes.me
This funct ionisno tav ailable forall model s.
Char ging thebat tery bef orecommencing
yo ur jour ney
0009 This function isno tav ailable inall coun tries.
R Ifth eve hicle batteryis disc harg ed,you
re cei veames sageon your smar tphon e.
R Youcan then star tth eve hicle withth e
smar tphone tocharge thebatt ery.
R The vehicle isaut omaticall yswitc hedoff
af te rte nminu tes. Ensur
eth efo llo wing beforest ar tin gth eengine:
R The legalstipulation sin thear ea wher eyo ur
ve hicle ispar kedallo wengin est ar tin gvia
smar tphon e.
R Itis saf eto star tand runth eengine where
yo ur vehicle ispar ked.
R The fuel tank issu fficien tly filled.
St arting theve hicl e 000A
WARNIN GRisk ofcrus hing orentr ap‐
ment dueto unin tentio nalstar tin gof the
engine
Limbs couldbecrushed ortrapped ifth e
engine isstar tedunint entionall ydur ing
ser vice ormaint enanc ewo rk. 0007
Alw ayssecur eth eengine agains tunin‐
te ntio nalstar tin gbef orecar rying out
maint enanceorrepair work. Re
quirement s:
R Park position 005Disselect ed.
R The anti- theftalar msystem isno tactiv ated.
R The panic alarmisno tactiv ated. 13
0
Driving and parking

All
vehicl es
000F ENVIR
ONMENT ALNOTEEnvironme ntal
da ma gecau sed byimproper disposal of
batt eries Bat
teries con tain polluta nts. Itis
illeg alto dispose ofthem withth ehousehold
ru bbish. 0007
Dispose
ofbatt eries inan
en vironmen tally re sponsible manner.
Ta ke disc hargedbatt eries toaqu alif ied
spec ialistwo rkshop ortoacol lection
poin tfo rused batteries. If
yo uha ve todiscon nectth e12 Vbatt ery, con‐
ta ct aqu alif ied spec ialistwo rkshop.
Com plywit hsaf etyno tesand take protect ive
measur eswhen handling batteries. Risk
ofexplosion. Fir
e,open flames andsmokingar e
pr ohibi tedwhen handling thebatt ery.
Av oid creating sparks. Ele
ctroly teor batt eryacid iscor ro‐
siv e.Avoid cont actwithth eskin ,eye s
or clo thing. Wearsuit able protect ive
clo thing, inpar ticular glove s,an
apr onand afa ce mas k.Immedia tely
ri nse electr olyteor acid splashes off
wit hclean water.Con sult adoc torif
necessar y. We
arsaf etygl asses . Ke
ep childr enaway. Obser
vethis Opera tor's Manua l.
Obser vethefo llo wing ifyo udo notint endto use
th eve hicle overan extende dpe riod oftime:
R Activatest andb ymode .
R Alternat ivel y: con nectth ebatt eryto abat ‐
te ry charge rapp rove dby Mer cedes-Ben zor
consult aqu alif ied spec ialistwo rkshop to
discon nectth ebatt ery. No
teson star ting assistance andoncharg‐
ing the12 Vbatt ery Ve
hicl eswith alithium-ion battery
When chargin gth ebatt eryand during star tin g
assis tance, alwa ys use thejum p-start connec‐
tion pointintheengine compartmen t. Br
eakdo wnassis tance 36
5

000E
NO
TEDama getothebatt eryfrom over‐
vo ltag e When
chargin gusin gabat tery charge rwit h‐
out amaximu mchargin gvo ltag e, thebatt ery
or theon- boar delectr onics maybe damag ed. 0007
Onlyuse batterych arge rs wit hamax i‐
mum chargin gvo ltag eof 14.4 V. All
other vehicl es
When chargin gth ebatt eryand during star tin g
assis tance, alwa ys use thejum p-start connec‐
tion pointintheengine compartmen t.
000E NO
TEDama ging thebatt eryth ro ugh
ove rvolt age When
chargin gusin gabat tery charge rwit h‐
out amaximu mchargin gvo ltag e, thebatt ery
or theve hicle electr onics maybe damag ed. 0007
Onlyuse batterych arge rs wit hamax i‐
mum chargin gvo ltag eof 14.8 V. 000A
WARNIN GRisk ofexplosion from hydro‐
ge nga signiting
A batt eryge ner ates hydrog en gasdur ing the
ch argin gpr oce ss.Ifth er eis ashor tcir cuit or
spar ksstar tto form ,th er eis adang erofthe
hy drog en gasigniting. 0007
Mak esur eth at thepositiv ete rm inal of
th econ nect edbatt erydoes notcome
int ocon tact with vehicle parts. 0007
Neverpla ceme talobje ctsor tools ona
batt ery. 0007
When connectin gand disconn ectingth e
batt ery, yo umus tobse rveth edescr i‐
bed order forth ebatt eryclam ps. 0007
When giving star tin gassis tance, alwa ys
mak esur eth at youon lyconnect bat‐
te ry term inals withident icalpolar ity. 0007
Dur ing star tin gassis tance, youmus t
obse rveth edescr ibedorder forcon‐
necting anddisconnecting thejum per
cables. 0007
Donotcon nect ordiscon nectthebat‐
te ry cla mp swhile theengine isrunning . 000A
WARNIN GRisk ofexplosion during
ch argin gpr oce ssand star tin gassis tance
Dur ing thech argin gpr oce ssand star tin g
assis tance, thebatt eryma yre lease anexplo‐
siv ega smixtur e. 0007
Avoid fire ,open flames ,cr eat ing spar ks
and smoking. 0007
Mak esur eth at ther eis suf ficie ntventi‐
la tio ndu ring thech argin gpr oce ssand
dur ing star tin gassis tance. 0007
Donotle an ove ra batt ery. 000A
WARNIN GRisk ofexplosion from afro‐
zen battery
A disc hargedbatt eryma yfreeze attemp era‐
tur es slightl yabo veorbelo wfreezing point.
Dur ing star tin gassis tance orbatter ych arg‐
ing ,bat tery gasma ybe released. 0007
Alw aysth aw afroz en bat tery out firs t
bef orech argin git or per form ing star t‐
ing assis tance. 36
6
Brea kdo wnassist anc e

If
th eindicat or/warning lampsintheins trument
clus terdo notlig ht up atlow temp eratur es,itis
ve ry likelyth at thedisc hargedbatt eryhas fro‐
zen .In this case youma yne ither jump-start the
ve hicle norcharge thebatt ery.
The service life of abatt eryth at has been
th awe dma ybe dramaticall yshor tened .The
st ar tin gch aract eristic sma ybe impair ed,espe ‐
ciall yat low temp eratur es.
It is recomme ndedthat youha ve ath aw ed bat‐
te ry checkedat aqu alif ied spec ialistwo rkshop.
All vehicl es
000E NO
TEDama gecau sed bynum erou sor
ex tende datt em ptsto star tth eengine Nu
me rous orextende datt em ptsto star tth e
engine maydamag eth ecat alytic converter
due tonon-co mbusted fuel. 0007
Avoid numer ousand extende datt em pts
to star tth eengine. Obser
vethefo llo wing pointsdur ing star tin g
assis tance and when chargin gth ebatt ery:
R Onlyuse undamag edjum per cables/c harg‐
ing cables withasuf ficie ntcross -secti onand
insu late dte rm inal clam ps.
R Non-insulat edpar tsof thete rm inal clam ps
mus tno tcom eint ocon tactwi th other metal
par tswhile thejum per cable/c harging cable
is con nect edtothebatt ery/jum p-start con‐
nectio npoi nt.
R The jumper cable/c harging cable mustno t
com eint ocon tactwi th anypar tswhic hma y
mo vewhen theengine isrunning .
R Alw aysmak esur eth at nei ther youno rth e
batt eryis elect rostatic allych arge d.
R Keep away from fire and open flames .
R Donotlean overth ebatt ery.
Obser vetheadditional follo wing pointswhen
ch argin gth ebatt ery:
R Onlyuse batterych arge rs tested and
appr oved forMer cedes-Benz.
R Read thebatt erych arge r's oper ating instruc‐
tions beforech argin gth ebatt ery. Obser
vetheadditional follo wing pointsdur ing
st ar tin gassis tance:
R Startin gassis tance mayonly beprov ided
using batteries withanom inalvoltag eof
12 V.
R Theve hicles mustno tto uc h.
R Gasoline engine :On lyacc eptst ar tin gassis ‐
ta nce ifth eengine andexhaus tsy stem are
cold. St
arting assistance andchargin gth e12 V
batt ery Re
quirement s:
R The vehicle issecur edwithth eelectr icpar k‐
ing brak e.
R Automatic trans mis sion :The trans missi on
is in po sitio n005D.
R The igniti onand allel ectr icalcons umersar e
sw itchedof f.
R The hoodis op en. Br
ea kdo wnassist anc e36
7

0007
Foldcover1 upinthedir ect ion ofthe
ar row . 0007
Slide cover2 ofposi tiveclam p3 onthe
jum p-starting con nection point inthedir ec‐
tion ofthear row . 0007
Con nect posi tiveclam p3 onyour vehicle to
th epositiv epole ofthedonor batteryusing
th ejum per cable/c harging cable. Always
begin withpositiv eclam p3 onyour ow n
ve hicle firs t. 0007
During star ting assistance :st ar tth e
engine ofthedonor vehicle andrunat idle
spe ed. 0007
Connect theneg ativepole ofthedonor bat‐
te ry and grou nd point 4 ofyour ow nve hicle
by usin gth ejum per cable/c harging cable.
Begin withth edonor batteryfirs t. 0007
During star ting assistance :st ar tth e
engine ofyour ow nve hicle. 0007
Dur ing thech argin gpr oc ess :st ar tth e
ch argin gpr oce ss. 0007
Dur ing star ting assistance :le tth eengines
ru nfo rse veralmin utes. 0007
Dur ing star ting assistance :bef oredis con‐
necting thejum per cable, switchon anelec‐
tr ical consumer inyour ow nve hicle, e.g.the
re ar wind owheat eror lighting.
When thest ar tin gassis tance/c harging proce ss
is com plet e: 0007
First,re mo vethejum per cable/c harging
cable from ground point 4and negative
pole ofthedonor battery, then from positiv e
clam p3 and positiv epole ofthedonor bat‐ 368
Breakdo wnassis tance