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

Se
tting Activ eBr ak eAs sist Multimedia
system:
0018 Vehicle 0019
k Assist ance
0019 Act ive Brak eAssist
Ve hicl eswithout Drivin gAss istanc ePa ck‐
ag e:The settings canbemade afte rst ar tin gth e
ve hicle.
Ve hicl eswith Drivin gAss istanc ePa ckag e:
The settings canbemade whenth eignition is
switc hedon.
The follo wing settings areav ailable:
R Early
R Medium
R Late 0007
Select ase tting .
0009 Your sele ction isretained when theve hicle is
ne xt star ted.
Deactiv atingActiv eBr ak eAs sist
0009 Itis recomme ndedthat youalw ayslea ve
Ac tiveBr ak eAssi stact ivat ed. 0007
Select Off.
The distance warning func tion andtheaut on‐
omous braking function aredeactiv ated.
Ve hicl eswithout Drivin gAss istanc ePa ck‐
ag e:When theve hicle isne xt star ted, the
mediu msetting isau tomatical lysele cted.
Ve hicl eswith Drivin gAss istanc ePa ck‐
ag e:Evasi ve Steer ing Assis tis no tav ailable.
When theignition isne xt star ted, the
mediu msetting issele cted automatical lyand
Ev asiv eSt eer ing Assis tis available.
0009 IfAc tiveBr ak eAssi stisdeact ivat ed, the
00D4 symbol appearsinthest atus barofthe
multifu nctiondisplay. Speed
controlcruise contr ol Fu
nction ofcruise contr ol
Cr uise controlre gulat esthespeed totheva lue
selec tedby thedr iver .
If yo uacc elerat eto ove rtak e, forex am ple, the
st or ed speed isno tdele ted. Ifyo ure mo veyour
fo ot from theacceler ator pedal afte rove rtakin g, cr
uise control will resume speed regulation back
to thestor ed speed.
Cr uise controlis oper ated using thecor respond‐
ing steer ing wheel buttons. Youcan stor ean y
speed above15 mp h(2 0km/h) uptothemaxi‐
mum speed.
If yo ufa ilto adap tyo ur drivin gst yle, cruise con‐
tr ol can neither reduce therisk ofan accident
nor override thelaws ofphysics. Itcan nottak e
int oacc ount road, weather ortraf fic condi tions.
Cr uise contr olisonly anaid. Youar ere sponsible
fo rth edis tance totheve hicle infront, forve hi‐
cle speed, forbr aking ingood timeandforst ay ‐
ing inyour lane .
Disp lays on themu ltifunct iondisp lay
The status ofcruise control and thestor ed
speed aresho wninthemultifunc tiondispla y. Dr
iving and parking 16
7

1
Cruise contro lis selec ted
2 Spee dis save d, cruise control isdeactiv ated
3 Speed issave d, cruise control isactiv ated
0009 The segmen tsbetween thestor ed speed and
th eend ofthesegment displaylight upin
th espeedome ter.
Sy stem limita tions
Cr uise control ma ybe unable tomaint ainthe
st or ed speed onuphill gradients. Thestor ed
speed isresumed whenthegr adient evensout.
Ch ang eint oalowe rge ar ingood timeon long
and steep downhill gradients. Take par ticular
no te ofthis when drivin galaden vehicle. By doing
so,youwill mak euse oftheengine' sbr ak‐
ing effect. Thisre lie vesth eload onthebr ak e
sy stem and preve nts thebr ak es from overheat‐
ing and wearing tooqu ickl y.
Do notus ecr uise contr olinthefo llo wing situa‐
tion s:
R Intraf fic situ ations whichrequ ire freq uent
ch ang esofspee d,e.g .in hea vytraf fic, on
wi nding roads.
R Onslippe ryroads. Accel erati ng can cause
th edr ive wheels tolose tract ion and the
ve hicle could then skid.
R Ifyo uar edr ivin gwhen visibilit yis poor .
Ope ratin gcr uis eco ntr ol 000A
WARNIN GRisk ofacci dent dueto stor ed
speed
If yo ucall upthestor ed speed andthis is
lo we rth an your cur rent spe ed,th eve hicle
deceler ates. 0007
Take intoacc ount thetra ffic situat ion
bef orecallin gup thestor ed speed. Re
quirement s:
R ESP®
mus tbe act ivat ed, but notint erve ning .
R The driven spe edisat leas t15 mp h
(20 km/ h).
R The transmis sionisin positio n005B. 0007
Toactiv atecr uise contr ol: press rock er
switc h1 up. 16
8
Driving and parking

0007
Toactiv atecr uise contr ol: press rock er
switc h2 up(SET +)or down (SET -).
The current spe edisstor ed and maint ained
by theve hicle when youta ke your foot off
th eacceler ator pedal.
or 0007
Press rock er switc h3 up(RES).
The lastst or ed speed iscalled upand main‐
ta ined bytheve hicle.
If th elas tst or ed speed hasprev iousl ybeen
dele ted, thecur rently driven spe edisstor ed.
0009 When youswit choffth eve hicle, thelas t
speed stor ed isclear ed. 0007
Toincr ease/r educespeed:pr ess rock er
switc h2 up/do wntothepr essur epoint .
The stor ed speed isincr eased orreduced by
1 mp h(1 km/h) .
or 0007
Press rock er switc h2 beyond thepr essur e
point .
The stor ed speed isincr eased orreduced by
5 mp h(1 0 km/h) .
or 0007
Accel erateth eve hicle tothedesir edspeed. 0007
Press rock er switc h2 up.
If cr uise control isactiv ated and Traf fic Sign
Assi sthas detected aspe edrestriction signwi th
a max imum permiss iblespee dand this isdis‐
pla yedin theins trument cluster: 0007
Toadop tth ede tected spee d:press rock er
switc h3 up.
The maximum permissible speedshownby
th etraf fic sig nis stor ed and theve hicle
maint ainsthis speed. 0007
Todeac tivatecr uis eco ntr ol:
pr ess rock er switc h3 down (CNCL). 0007
Todeac tivatecr uis eco ntr ol:pr ess rock er
switc h1 down.
0009 Ifyo ubr ak e, deac tivateES P®
or ifES P®
int erve nes, cruise contr olisde acti vated.
When youswit choffth eve hicle, thelas t
speed stor ed isclear ed. Ac
tiv eDi stance AssistDI ST RO NIC Fu
nction ofActiv eDi stance Assist
DI ST RO NIC Ac
tiveDis tance AssistDIS TRONI Cma intains the
se tspeed onfree-f lowing roads. Ifve hicles in
fr ont arede tected, these tdis tance isma in‐
ta ined, ifnec essar y,unt ilth eve hicle comes toa
halt. Thevehicle acceler ates orbrak es depend‐
ing onthedis tance totheve hicle infront and
th ese tspeed. Thespeed anddistance tothe
ve hicle infront arese tand save don thesteer ing
wheel onvehicles without theDr iving Assistance
Pa ckag e, inthera ng ebe twee n15 mp h
(20 km/ h)and 120mp h(200 km/h) and,on Dr
iving andparking 16
9

ve
hicles withth eDr iving Assistance Packag e, in
th era ng ebe twee n15 mp h(20 km/h) and
13 0mp h(210 km/h) .
Ot her featur esofActiveDis tance Assist
DIS TRONI C:
R Adjus tsthedr iving style depending onthe
select eddrive pr ogr am (fuel-sa ving,comfort‐
able ordynamic) (0013page13 8)
R Vehicl eswith Drivin gAss istanc ePa ck‐
ag e:react sto statio naryve hicles detected in
urb anspe edrang es (exc ep tbicy cles and
mo torcyc les).
R Initiates acc eler ation tothestor ed speed if
th etur nsignal indicat orisswitc hedonto
ch ang eto theov ertaking lane.
R Vehicl eswith Drivin gAss istanc ePa ck‐
ag e:tak esone- sided overtakin gre strictions
int oacco untonhighwaysor on multi-lane
ro ads withseparat ero adw ays(countr y-
dependen t).
Ve hicl eswith Activ ePa rking Assis tand Driv‐
ing Assis tance Packag e:ifth eve hicle has
been brak ed toast ands tillon mult i-lane,stru c‐ tur
ally separ atero adw aysby ActiveDis tance
Assi stDIS TRONI C,itcan automatical lyfollo w
th eve hicle infront driving offag ain within
30 seconds. Ifacr itical situation isde tected
whe ndr ivi ng off,avis ualand acoustic warning is
giv en indic atingth at thedr iver mus tno wtake
contr olof theve hicle. Thevehicle isno tacceler‐
at ed anyfur ther.
Ac tiveDis tance AssistDIS TRONI Cis only anaid.
The driver isresponsible forke eping asaf edis‐
ta nce totheve hicle infront, forve hicle speed
and forbr aking ingood time.
Sy stem limita tions
The system maybe impair edorma yno tfunc tion
in thefo llo wing instan ces:
R Insno w,rain, fog, hea vyspr ay,if th er eis
gl ar e, indir ect sunlight oringrea tly varying
ambien tlight .
R The windsh ieldinthear ea ofthecamer ais
dir ty,fo gg ed up, damag edorcovered.
R Ifth era dar sensor sar edir tyor covered.
R Inpar kingga rage sor on roads withsteep
uphill ordownhill gradients. R
Ifth er ear enar row vehicles infront, suchas
bicy cles ormo torcyc les.
In addition ,on slipper yro ads, brakin gor acc el‐
er atin gcan caus eon eor severalwheels tolose
tr act ion and theve hicle could then skid.
Do notuse ActiveDis tance AssistDIS TRONI Cin
th ese situation s. 000A
WARNIN GRisk ofacci dent from acce ler‐
ati on orbraki ng byActiveDis tance
Assi stDIS TRONI C
Ac tiveDis tance AssistDIS TRONI Cma yacc el‐
er ateor brak ein thefo llo wing cases ,fo r
ex am ple:
R Ifth eve hicle pullsaway usin gAc tiveDis ‐
ta nce AssistDIS TRONI C.
R Ifth estor ed speed iscalled upand is
considera blyfaster or slo werth an the
cur rently driven spe ed.
R IfAc tiveDis tance AssistDIS TRONI Cno
lo ng er detects ave hicle infront ordoes
no tre act toreleva nt objects. 17
0
Driving and parking

0007
Alw ayscar efully observethetraf fic con‐
di tions andbeready tobrak eat all
times. 0007
Take intoacc ount thetra ffic situat ion
bef orecallin gup thestor ed speed. 000A
WARNIN GRisk ofacci dent dueto insuf ‐
fi cie ntdece lera tio nby ActiveDis tance
Assi stDIS TRONI C
Ac tiveDis tance AssistDIS TRONI Cbrak es
yo ur vehicle withup to50% ofthemaximum
possible deceleration.Ifth is decele ratio nis
no tsu fficien t,Ac tiveDis tance Assist
DIS TRONI Caler ts youwit havis ual and
aco ustic warning. 0007
Inthese cases, adjustyo ur spee dand
ke ep asuf ficie ntdist anc e. 0007
Brak eth eve hicle yourself and/or take
ev asiv eact ion. 000A
WARNIN GRisk ofacci dent ifde tection
functi onofActiveDis tan ceAssi st
DIS TRONI Cis impai red
Ac tiveDis tance AssistDIS TRONI Cdo es not
re act orhas alimit edreact ion:
R when drivin gon adif fere nt lane orwh en
ch ang inglane s
R topedes trians, animals, bicycles orsta‐
tio nar yve hicles, orune xpect edobs tacle s
R tocom plex traf fic condi tions
R tooncom ingvehicles andcrossing traf fic
As are sult, ActiveDis tance Assist
DIS TRONI Cma ynei ther giv ewa rnings nor
int erve ne insuch situations. 0007
Alw aysobser vethetra ffic con dition s
car efull yand react accordin gly. Oper
ating Activ eDi stance AssistDI ST RO NIC
Re quirement s:
R The vehicle hasbeen star ted.
R The elect ric pa rking brak eis released. R
ESP®
is act ivat ed and isno tint erve ning .
R The trans mis sion isin po sitio n005B.
R Allthedoor sar eclosed.
R Chec kof thera dar sensor system has been
success fullycom pleted(vehicle traveling
fa ster than 12 mp h(20 km/h)).
R Parking AssistPA RK TRONI Cis no tbein g
used topar kth eve hicle ortoexitfrom a
par kingspace.
R The vehicle does notskid. Dr
iving andparking 17
1

0007
Toactiv ate/ deacti vate Activ eDi stance
Ass istDI ST RO NIC :press button 1. 0007
Toactiv ateAc tiv eDi stance Assist
DI ST RO NIC :press rock er switc h3 up(SET
+) or down (SET -),or press rock er switc h4
up. Remo veyour foot from theacceler ator
pedal.
The current spe edisstor ed and maint ained
by theve hicle. or 0007
Toactiv ateAc tiv eDi stance Assist
DI ST RO NIC with ast or ed speed :pr ess
ro ck er switc h4 up. Remo veyour foot from
th eacceler ator pedal.
0009 Ifro ck er switc h4 ispressed upagain afte r
act ivatio nwit hast or ed speed, ActiveDis ‐
ta nce AssistDIS TRONI Cis acti vatedwit hth e
speed restriction displ ayed intheins trument
clus ter. 0007
Toacc eptth edisp laye dspe edrestriction
when Activ eDi stance AssistDI ST RO NIC
is ac tiv e:press rock er switc h4 up(RES).
The speed limitdispla yedin theins trument
clus teris ado ptedas thestor ed speed. The
ve hicle adaptsits speed tothat oftheve hicle
in front, butonlyup tothestor ed speed. 0007
Topull away wit hAc tiv eDi stance Assist
DI ST RO NIC :re mo veyour foot from the
br ak epedal andactiv ateAc tiveDis tance
Assi stDIS TRONI C. 0007
Press rock er switc h4 up(RES).
or 0007
Depr esstheacceler ator pedal brief lyand
fi rm ly.
The funct ionsofActiveDis tance Assist
DIS TRONI Cconti nuetobe car ried out. 000A
WARNIN GRisk ofacci dent dueto Active
Dis tance AssistDIS TRONI Cstill being
act ivat ed when youlea vethedr iver's
seat
If yo ulea vethedr iver's seat while theve hicle
is being brak ed byActiveDis tance Assist
DIS TRONI Conly ,th eve hicle canrollaw ay. 0007
Alw aysdeactiv ateAc tiveDis tance
Assi stDIS TRONI Cand secur eth eve hi‐
cle topreve ntitfrom rolling away
bef oreyo ulea vethedr iver's seat. 0007
Todeac tivateAc tiv eDi stance Assist
DI ST RO NIC :press rock er switc h4 down
(CNCL). 0007
Toincr ease/r educespeed:pr ess rock er
switc h3 up/do wntothepr essur epoint .
The stor ed speed isincr eased orreduced by
1 mp h(1 km/h) . 17
2
Driving and parking

or
0007
Press and hold rock er switc h3 up/do wnto
th epr essur epoint .
The stor ed speed isincr eased orreduced in
incr ement sof 1mp h(1 km/h).
or 0007
Press rock er switc h3 beyond thepr essur e
point .
The stor ed speed isincr eased orreduced by
5 mp h(1 0 km/h) .
or 0007
Press and hold rock er switc h3 beyond the
pr essur epoint .
The stor ed speed isincr eased orreduced in
incr ement sof 5mp h(1 0 km/h). 0007
Toincr ease orreduce thespecified dis‐
tance from theve hicl ein front :pr ess
ro ck er switc h2 upordown. Fu
nction ofActiv eSpe edLimit Assist If
ach ang ein thespeed limitisde tected and
Ac tiveDis tance AssistDIS TRONI Cis acti vated,
Ac tiveDis tance AssistDIS TRONI Cad apts this
ne wspeed asthestor ed speed.
The driven speed isadjus tedwhen theve hicle is
le ve lwit hth etraf fic sig nat thelat est.In the
case ofsig ns indi cati ngentr yint oan urb anarea ,
th espeed isadap tedaccor dingtothespeed per
mitt edwithin theurban area. The speed limit
displa yin theins trument displayis alw aysupda ‐
te dwhen theve hicle isleve lwit hth etra ffic sign .
If th er eis no speed restriction onanunlimited
st re tchof road (e.g.on afree wa y), there com‐
mend edspe edisad op tedas thestor ed speed.
The system uses thespeed stor ed on anunlimi‐
te dstre tchof road asthere comme ndedspeed.
If yo udo notalt er thestor ed speed onanunlimi‐
te dstre tchof road, there comme ndedspeedis
80 mph(1 30 km/h).
If Ac tiveDis tance AssistDIS TRONI Cha sbe en
pu tint opa ssi ve mode bypressing theacceler a‐
to rpeda l,onl yspee dlimi tswhi charehigh er
th an these tspeed areadop ted.
Ac tiveSpe edLimi tAssi stisonl yan aid. The
dr iver isresponsible forke eping asaf edis tance
to theve hicle infront, forve hicle speed andfor
br aking ingood time. Themaximum permissible
speed alsodepends onfact or ssu ch asthero ad
sur face and traf fic condi tions.
Sy stem limita tions
Te mp oraryspeed restrictions (e.g.fo ra cer tain
tim eor due towe ather condition s)can notbe Dr
ivin gand parking 17
3

pr
oper lyde tected bythesy stem. Themaximum
per missible speedapplying fora ve hicle witha
tr ailer isno tde tected bythesy stem. Inthese sit‐
uations youmus tadj ustyo ur spee dyo urself . 000A
WARNIN GRisk ofacci dent dueto Active
Spe edLimi tAssi stadap tingth eve hicle's
speed
The speed adoptedby ActiveSpe edLimi t
Assi stma ybe toohigh orincor rect insome
indi vidualcase s,su ch as:
R Inthewe tor infog
R When towing atrailer 0007
Ensur eth at thedr iven speed complies
wit htraf fic re gulations. 0007
Adjus tth edr iving speed tosuit current
tr af fic and weather condition s. Fu
nction ofrout e-base dspee dadap tation 0009
The follo wing function iscoun try- dependen t
and onlyav ailable incon junction withth e
Dr iving Assi stanc ePa ckag e. When
Distance AssistDIS TRONI Cis acti ve,th e
function adjuststh espeed depending onthe
ro uteeve nts ahead. Dep endingonthedr ive pr o‐
gr am select ed,theve hicle negotiatesthero ute
eve ntaheadin afue l-saving, com fortable or
dynam icman ner.When thero uteev ent has been
passed, theve hicle acceler ates again tothe
st or ed speed. Thesetdis tan cetotheve hicle in
fr ont, vehicles detected aheadand speedrestric‐
tions aheadar eta ke nint oacco unt.
Ro ute-based speedadj ustm entcan byconf ig‐
ur ed inthemultimedia system
(0013 page17 5).
Ro uteeve nts aheadar e:
R Bend s
R T-int ersect ions,tr af fic cir cle sand tollst a‐
tio ns
R Turnsand exits
R Traf fic jams ahead(only with Liv eTraf fic
( 0013 page27 9))
0009 Whentheto llst atio nis reac hed, ActiveDis ‐
ta nce AssistDIS TRONI Cad op tsthespeed as
th estor ed speed. Also,
thespeed isreduced ifth etur nsignal to
ch ang elane sis swit ched on and one ofthefo l‐
lo wing situat ionsisde tected:
R Turning offat intersect ions
R Drivin gon slowing- down lanes
R Drivin gon lanes adjacenttoslo wing-do wn
lanes
The driver isresponsible forch oosing theright
speed andobser vingother road user s.This
applies inpar ticular tointersect ions,traf fic cir‐
cle sand traf fic lights, asroute-based speed
adap tatio ndo es notbr ak eth eve hicle toast and‐
st ill.
When routeguidan ceisact ive, thefirs tsp ee d
ad jus tment iscar ried out automatic ally.If th e
tur nsigna lind icatoris swi tched on,theselect ed
ro uteis co nfirmed andfurther speed adjustment
is activ ated.
Speed adjustmentis canc eled inthefo llo wing
cases :
R Ifth etur nsignal indicat orisswitc hedoff
bef oreth ero uteeve nt. 17
4
Driving and parking