2021 MERCEDES-BENZ C-CLASS CABRIOLET lock

#
Mak esur eth at thesteer ing wheel can
mo vefreely beforeto wing theve hicle
aw ay. *
NO
TEDama gedue toexcess ive tracti ve
po we r If
yo upull away shar ply, thetractiv epo we r
ma ybe toohigh andtheve hicles couldbe
damag ed. #
Pull away slo wlyand smoo thly. Lo
adi ng the vehicl efo rtr ans port #
Obser vetheno teson towing away
( / pag e34 7). #
Connec tth eto w bar totheto wing eyein
or der toload theve hicle. #
Vehicl eswith automatic transmiss ion:
shif tth eaut omatic transmiss iontoposition
005C.
% Ve
hicl eswith automatic transmiss ion:
th eaut omatic transmiss ionmaybe lockedin position
005Dintheeve ntofdama getothe
electr icalsystem. Toshif tto 005C ,pr ov ide the
on-boar delectr icalsystem withpo we r
( / pag e34 4). #
Load theve hicle ontoth etra nspor ter. #
Vehicl eswith automatic transmiss ion:
shif tth eaut omatic transmiss iontoposition
005D. #
Use theelectr icpar king brak eto secur eth e
ve hicle agains tro lling away. #
Onlysecur eth eve hicle bythewheels.
Ve hicl eswith ADSPL US (Adap tiveDam ping
Sy stem PLUS) &
WARNIN GRisk ofan acci dent when
tr ansp orting vehicles withAd aptive
Dam pingSy stem PLUS
When transpor tingvehicles withAd aptive
Dam pingSy stem PLUS, theve hicle/tr ailer
combination maybegin torock and star tto
skid. #
When transpor ting,ensur eth at: R
The vehicle hasbeen loaded onto
th etra nspor tercor rectly
R The vehicle issecur edatall four
wheel swit hsuit able tensi oni ng
st ra ps
R The maximum permissible speedof
35 mph(60 km/h) isno tex ceed ed
whe ntransp orting *
NO
TEDama getotheve hicle from secur‐
ing itincor rectl y #
Afterloa ding, theve hicle mustbe
secur edon allfour wheel s.Ot her wise,
th eve hicle could bedamag ed. #
Aminimum distance of8in (20 cm)
up wa rdsand 4in (10 cm) down wards
mus tbe kept tothetranspor tplatf orm. #
Secur eth eve hicle onallfour wheel saf te r
loading . Br
eakdo wnassis tance 34
9

te
cted agains tov erheating andcorrosion at
high outside temp eratur es. #
Alw aysuse coolant approvedby
Mer cedes-Ben z. #
Obser vetheins truction sin the
Mer cedes-Ben zSpecif ications forOper‐
ating Fluids310.1. Ha
ve thecoolant regular lyreplaced ataqu alif ied
spec ialistwo rkshop.
Pr opor tionofantifr eezeconcen trat ein the
engine cooling system:
R Aminimum of50% (antifr eezeprotect ion
do wn toappr oximat ely-3 5°F (-37°C))
R Amaxim umof55% (antifreeze protect ion
do wn to-49°F (-45°C))
Co olant capacity Mode
lC apacity
All mode ls 9.5USqt(9.0 liter s) No
teson windshield washer fluid Obser
vetheno teson oper ating fluids
(/ page38 9). &
WARNIN G‑Ri sk offire and injuryfrom
wind shieldwa sher concen trat e
Wi ndsh ield wa sher concen trat eis highly
fl ammab le.Itcoul dign ite if it com esinto
con tact with hotengine component partsor
th eex haus tsy stem. #
Mak esur eth at no wind shieldwa sher
concen trat espills outnext to thefiller
open ing. *
NO
TEDama getotheex terior lighting
due touns uitable windshieldwa sher fluid Uns
uitable windshieldwa sher fluid maydam‐
ag eth eplas ticsur face oftheex terior light‐
ing. #
Onlyuse windshield washer fluid whic h
is also suitable foruse onplastic sur fa‐
ces, e.g.MBSumm erFitor MB Winter‐
Fit. *
NO
TEBlocked spr aynozzl escau sed by
mixing windshieldwa sher fluids #
Donotmix MBSum merFitand MBWin‐
te rFit withot her windshield washer flu‐
ids. Do
notuse distilled orde- ionizedwa ter.Ot her‐
wise, thefill le ve lsen sor maybe trigg ered erro ‐
neou sly.
Re comme ndedwindsh ield wa sher fluid:
R Abo vefreezing point:e.g. MBSummerFi t
R Belo wfreezing point:e.g. MBWinterFi t
Fo rth ecor rect mixi ngratio ,re ferto theinf orma‐
tion ontheantif reeze container .
Mix washer fluid withwind shieldwa sher fluid all
ye ar round . Re
frig er ant No
teson refrig er ant
Obser vetheno teson oper ating fluids
(/ page38 9). 39
4
Tech nica lda ta

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Á Key NotDetected (red dis‐
pla ymessag e) *T
heSmar tKey canno tbe detected and mayno long erbe intheve hicle.
The Smar tKey isno long erintheve hicle andyouswit choffth eengine:
R Youcan nolongerst ar tth eengine.
R Youcan notcen trally lockth eve hicle. #
Ensur eth at theSmar tKey isin theve hicle.
If th eSmar tKey detection functi onhasa mal functi ondueto ast ro ng radio signal source: #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions. #
PlacetheSmar tKey inthemar kedspace forst ar tin gth eengine withth eSmar tKey (/ pag e12 6).
Á Don't ForgetYour Key *A
warning tone also sou nds. Thismes sage reminds youto take your Sm artK ey wit hyo uwhen youlea vetheve hicle.
Place theKey inthe
Marked SpaceSeeOpera-
tor's Manual *S
mar tKey detection ismal functi oning. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Place theSmar tKey inthemar kedspace forst ar tin gth eengine withth eSmar tKey (/ pag e12 6). Dis
play messa gesand warning/ indic ator lam ps 403

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Ù St eering Malfunct ionStop
Immediately SeeOpera-
tor's Manual *T
hesteer ing ismalfunct ioning.Steer ing capability issignif icantlyim pair ed. &
WARNIN GRisk ofacci dent ifsteer ing capability isim pair ed
If th esteer ing does notfunc tion asintended, theve hicle's operating safetyis jeopar dized. #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.
Do notcontinu edr ivi ng und eranycir cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop. 0051
*A
tle as tone door isop en. #
Close alldo ors.
0083 *T
hehood isopen. &
WARNIN GRisk ofacci dent dueto driving withth ehood unlocked
The hood mayopen andblockyo ur vie w. #
Neverre lease thehood when driving. #
Beforeev erytrip, ensur eth at thehood isloc ked. #
Stop theve hicle immediat ely,pa ying attention toroad and traf fic condi tions. #
Close thehood. 41
0
Display messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0084 *T
hetrunk lidisopen. &
DANG ER Risk ofexhaus tga spoisoning
Combus tionengines emitpoisonous exhaus tga ses suchas carbon monoxide.Exhaus tga ses can enterthe
ve hicle interior ifth etrunk lidisopen when theengine isrunning ,esp ecially ifth eve hicle isin mo tion. #
Alw aysswitc hof fth eengine beforeopening thetrunk lid. #
Neverdr ive wit hth etrunk lidopen. #
Close thetrunk lid.
006F
Rear LeftBack restNot
Latc hed (exa mp le) *T
heseat backres tof thecor responding seatisno teng aged. #
Foldtheseat backres tbac kuntil iteng ages.
006F Fron tLeft Seat Backrest
Not Lock ed(exa mp le) *T
heseat backres tof thecor responding front seat isno teng aged. #
Foldtheseat backres tbac kuntil iteng ages. Displa
ymessag esand warning/ indic ator lam ps 41
1

1,
2, 3...
4MA TIC
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>140
12 Vbatt ery
see Battery(v ehi cle)
12 Vso cket
see Socket(1 2 V)
36 0° Camer a
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>187
Opening thecamer aco ver(r ear view
camer a).......... ........... ............................ 189
Sel ecting avie <005A001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 189
Se tting favo rite s.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 189 A
A/C funct ion
Swit ching on/ off(con trol panel).... ........ 121
ABS (Anti-lockBr ak ing System) ...............1 52
Ac celer ation
see Kickdo wn
Ac ciden tand Break down Manag e‐
men t
Mer cedesme connect........................... 287 Ac
ous ticlocking verificat ion signa l
Ac tivati ng/d eactiv ating........... ................64
Ac tiv atin g/deac tivatin gaut omati c
vo lum eadj ustm ent
Bur mes ter®
sur round soun dsy stem.. ....3 14
Ac tiv eBli nd Spo tAs sist
Br ak eap plica <0057004C00520051001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> ..178
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011>177
Sy stem limit ations. ........................... ..... 177
Ac tiv eBr ak eAs sist
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 170
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 174
Ac tiv eDi stance AssistDI ST RO NIC
Ac tiveEmerg encyStop Assis t............... 168
Ac tiveLa ne Chang eAssi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 169
Callin gup aspee d.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 162
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011>159
Incr easi ng/decr easingspeed ............. ... 162
Re quiremen ts.................................. ...... 162
Ro ute-based speedadap tatio n.............. 164
St eer ing wheel buttons... .................. ..... 162
St or ing aspeed. .................................... 162
Swi tching off/de activating ........... ......... 162
Swi tching on/a ctivating<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 162 Sy
stem limit ations. ................................ 159
Ac tiv eEme rgency Stop Assis t.. ...............1 68
Ac tiv eLan eCha ngeAs sist
Ac tivati ng/d eactiv ating........... ..............170
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>169
Ac tiv eLan eKe eping Assist
Ac tivati ng/d eactiv ating........... ..............181
Ac tivati ng/d eactiv ating thewa rning.... .182
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>179
Sy stem limits. ........................................1 79
Ac tiv ePa rking Assis t
Ex itin gapar kingspace.. ........................ 196
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>193
Pa rking. .................................................1 95
Sy stem limit ations. ................................ 193
Ac tiv eSe rvice System PLUS
see ASSYST PLUS
Ac tiv eSpe edLimit Assist
Dis play <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 163
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>163
Ac tiv eSt eer ing Assis t
Ac tivati ng/d eactiv ating........... ..............167
Ac tiveEmerg encyStop Assis t............... 168 462
Index

Bli
nd Spo tAs sist
Ac tivati ng/d eactiv ating........... ..............179
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>177
Sy stem limit ations. ........................... ..... 177
Blo wer
see Clima tecontr ol
Blue tooth®
Ac tivati ng/d eactiv ating........... ..............231
Inf orma tion............ ................................ 231
Blu etoo th®
audio
Ac tivati ng........... ...................................305
De-a uthor izing (de-r egiste ring) the
de vice. .... ...............................................3 06
Inf ormatio n............ ................................303
Ov ervie w.......... ................................... ..304
Sear ching fora trac k......... ....................306
Sear ching forand author izing the
de vice. .... .......................................... .....3 04
Selecti ngamedi apla yer.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 305
Swi tching device viaNFC <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 306
Br ak eAs sist System
see BAS(Br akeAssi stSystem)
Br ak efluid
No tes... .................................................3 93 Br
ak efo rc edis tribut ion
EB D(elec tronic brak efo rc edis tribu‐
tion )................................................... ....1 54
Br ak es
ABS (Anti-lock Braki ng System) ......... ....1 52
Ac tiveBr ak eAssi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 170
BA S(Br akeAssi stSystem) ............... ..... 152
Dr iving tips....... ............. ........................ 129
EBD (electr oni cbr ak efo rc edis tribu‐
tion )................................................... ....1 54
HOLD functio n.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 154
Limit edbraking effect (sa lt-tr eated
ro ads) .............................................. ...... 129
Ne w/r epla ced brak epad s/brake
discs...... ............................................ .... 128
No teson breaking-in ane wvehicle.... ...128
Br akin gass ista nc e
see BAS(Br akeAssi stSystem)
Br eakdo wn
Changing awheel ..................................3 78
Ov ervie wof thehelp functions.......... ...... 18
Ro adside Assis tance <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> .....23
To w- star tin g... .................................. .....3 50
To wing away<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 347
Tr ans portingth eve hicle.... .................... 349 Br
eakdo wn
see Flat tire
Bur mes ter®
sur round soun dsy stem
Ad jus ting thebalance/f ader.................. 314
Ad jus ting thesound focus <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 314
Ad jus ting treb le,mid -rang eand bass
se tting s.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 314
Au tomatic volume adjustment. .............. 314
Calls upthesound menu....................... 314
Inf ormation ............................................ 313
Swi tching thesur round soun don /of f.... 314
Butt ons
St eer ing wheel... ................................... 202 C
Call list
Making acall. ........................................2 77
Ov ervie w.. ..............................................2 76
Callin gup thesound menu
Ad vanced soundsystem.. ......................3 15
Calls Accep ting <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011>273
Ac tivati ng functio nsduring acal l......... ..273
Calls withse veralpar ticipant s............... 273 466
Index

L
Labelin g(tir es)
see Tire labeling
Lam p
see Interior light ing
Lam ps(Ins trum ent Displa y)
see Warning/ indic ator lam ps
Lane detection (automatic )
se eAc tiveLa ne Keeping Assist
Lane Keeping Assist
see ActiveLa ne Keeping Assist
Languag e
No tes... ............................................. ....2 35
Se <00570057004C0051004A00110011001100110011001100110011001100110011
00110011> ......................................235
LA TC H-type (ISOFI X)child seat
anc hor
Ins talling. .................................................5 6
Le velcontr olsystem
see AIRMA TIC
Light switch
Ov ervie w........................................... .... 108 Light
ing
see Inte rior lighting
see Lights
Lights AdaptiveHig hbeam Assis t............... .......1 11
Au tomatic driving lights.... .....................1 09
Comb inationswi tch......... ..................... .109
Cor nering light. ....... ............................ ...111
Haza rdwa rning light s...................... ...... 110
High beam... ............ ..............................109
High -beamflasher .................................1 09
Ligh tswi tch.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 108
Lo w-beam headlam ps...................... .....1 08
Pa rking light s.................................... .....1 08
Re ar foglam p.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 108
Re sponsibili tyforlig hting systems ........ 108
Se tting theex terior lighting switch-
of fdela ytime .................................... ..... 112
Se tting thesur round lighting........... .......1 12
St andi nglight s................................. .....1 08
Tu rn signal light..................................... 109
Limit edWa rranty
Ve hicle. ............................................. ...... 29
Liv eTr af fic Inf orma tion
Dis playing subsc ript ion informatio n...... 259 Displ
aying thetra ffic map .....................2 59
Displ aying traffic inci dents <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 260
Ext endi ngasu bscr iption <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 259
Issu inghazar daler ts........ <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 261
Lo ad inde x(ti res)...................................... 369
Load-bear ingcapacity (tires)... ................3 69
Lo ading
Ca rgotie-do wnri<0051004A00560011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> ....103
Def initio ns............ ................................. 371
No tes... ....................................................9 8
Load ingguid elines ...................................... 98
Load inginforma tion table ........................ 362
Load s
Sec uring. .................................................9 8
Locat orlight ing
see Surround lighting
Loc king anextern al de vic e(c hild
saf etyloc k).. .............................................. 235
Loc king/unl ocking
Ac tivati ng/d eactiv ating theaut o‐
matic locking featur e............................... 68
Em erge ncy key.. ...................................... 69
KE YLE SS-GO. ...........................................6 7 Inde
x47
9