2019 MERCEDES-BENZ C-CLASS CABRIOLET warning

Ste
ering and touc hde tection
The driver isrequ ired tokeep their hands onthe
st eer ing wheel atall times andbeable tointer‐
ve ne atanytime tocor rect thecour seofthe
ve hicle andkeep itin lane. Thedriver mus t
ex pect ach ang efrom active to passiv emode or
vice versaat anytim e. If
th esy stem reac hes asy stem limit ation orthe
dr iver has notst eer edtheve hicle fora consider‐
abl eper iod oftime orhas remo vedth eir hands
fr om thesteer ing wheel, thesy stem will,
depending onthesituation ,aler tth edr iver
eit her withavisual warning oravisual and
acous ticwarning. Disp lay 1 appear sin themul‐
tifun ction displa y. If
th edr iver does notst eer theve hicle overa
long period, orhas notta ke nhol dof thesteer ing
wheel, are peat edwarning tone sou nds inad di‐
tio nto thevisual warning mess age(depen ding
on thecount ry).
The warning mess agedoes notappear ordisap‐
pear sif one ofthefo llo wing condition sar eme t:
R The driver steer sth eve hicle.
R The driver presses ast eer ing wheel buttonor
oper ates Touc hCon trol.
Ac tiveSt eer ing Assis tis onl yan aid. Thedriver is
re sponsible forth edis tance totheve hicle in
fr ont, forve hicle speed, forbr aking ingood time
and forst ay ing inlane. Beforech ang inglane s,
th edr iver mus tmak esur eth at theneighbor ing
lane isfree (glance over theshoulder).
Sy stem limita tions
Ac tiveSt eer ing Assis thas alimit edsteer ing tor‐
qu efo rlat eral gui dance. Insome cases, the
st eer ing interve ntio nis no tsu fficien tto keep the
ve hicle inthelane ortodrive pas tex its. The
system maybe impair edorma yno tfunc tion
in thefo llo wing instances:
R Insno w,rain, fog, hea vyspr ay,if th er eis
gl ar e, dir ect sunlight ,gr ea tly varying ambien t
light ,re flect ions orstro ng sha dows onthe
ro adw ay.
R Insuf ficie ntroad illumin ation.
R The wind shieldinthear ea ofthecamer ais
dir ty,fo gg ed up, damag edorcovered.
R Absence oflane markings, orseveralunc lear
lane markings, orifth emar king sch ang era p‐
idly .
R The distance totheve hicle infront istoo
small andthelane marking sth us can notbe
de tected.
R The road isnar row and windin g.
R Obs tacle son thelane orprojec ting outinto
th elane.
The system does notpr ov ide assis tance inthe
fo llo wing condition s:
R Ontigh tbends ,int ersect ions,to llst atio ns,
traf fic cir cle sand whentur ning. 17
6
Driving and parking

Ac
tiv atin g/deac tivatin gAc tiv eLan eCha nge
As sist
Multimedia system:
0018 Vehicle 0019
k Assist ance 0007
Select LaneChange Assist. 0007
Activate0073 ordeacti vate 0053 thefunc tion.
Fu nction ofActiv eEme rgency Stop Assis t
If th edr iver con tinuall yignor esthevisual or
acous ticwarning toput their hands onthesteer‐
ing wheel, theBeginn ingEmer gencySt op mes‐
sag eappear sin themultifunc tiondispla y.Ifth e
dr iver still does notre spond, ActiveDis tance
Assi stDIS TRONI Creduces thespeed. Thevehi‐
cle isdeceler ated instag es toast ands till.At
speeds below40 mph(6 0km/h) thehazar d
wa rning light sswitc hon aut omat ically.
When theve hicle isstatio nary,thefo llo wing
act ions arecar ried out :
R The vehicle issecur edwithth eelectr icpar k‐
ing brak e
R ActiveDis tance AssistDIS TRONI Cis end ed
R The vehicle isunloc ked R
Ifpossib le,an emer gency callis place dto
th eMer cedes- Benzemergency callcent er
The driver can cance lth edeceler ationatany
time byper form ing one ofthefo llo wing actions :
R Steer ing
R Braking oracceler ating
R Pressing ast eer ing wheel button
R Oper ating Touc hCon trol
R Activati ng ordeacti vating ActiveDis tance
Assi stDIS TRONI C Ov
erview ofActiv eDi stance Assist
DI ST RO NIC displa ysintheins trum ent clus‐
te r The
assis tance grap hicand thest atus displa y
sho wthest atus ofthefo llo wing functionsin the
ins trumen tclus ter:
R ActiveDis tance AssistDIS TRONI C
R Route-based speedadap tatio n
R ActiveSt eer ing Assis t Assis
tantdispla y 1
Route-based speedadap tatio n(ty pe ofroute
eve nt)
2 Vehicle infront
3 Distance indicator
4 Setspe cified dist anc e
5 ActiveLa ne Chang eAssi stlane chang edis‐
pla y Dr
ivin gand parking 17
9

The
vehicle orother object scould oth‐
er wise bedamag ed. If
indicat orlam p1 isno tlit, Parking Assist
PA RK TRONI Cis act ive. Ifth eindicat orlam pis lit
or theé symbol appearsin themultifunc tion
displa y,Pa rking AssistPA RK TRONI Cis no t
act ive. 0007
Press button2. 0009
Dep endingontheve hicle's equipment, the
butt onmayalso belocat edinthecent er
con sole.
0009 Parking AssistPA RK TRONI Cis aut omat ically
act ivat ed when theve hicle isstar ted.
Ad jus tingthe warning tones ofParking
Assis tPA RK TRONI C
Mu ltimed iasystem:
0018 Vehicle 0019
k Assist ance
0019 Camera &Parkin g0019
Set Warning Tones
Ad jus tingthe volum eof thewa rning tones 0007
Select Warning ToneVolume. 0007
Seta va lue.
Ad jus tingthe pitchof the warning tones 0007
Select Warning TonePitch.
Se ta va lue.
Specif yingthest ar ting pointfo rthe warning
to nes
Yo ucan spec ifywhe ther thePa rking Assist
PA RK TRONI Cwa rning tones should comm ence
wh en theve hicle isfur ther aw ay from anobs ta‐
cle . 0007
Sele ctWa rnEarl y. 0007
Activate0073 ordeacti vate 0053 thefunc tion.
Ac tiv atin g/deac tivatin gaudi ofa deo ut
Yo ucan spec ifywhe ther thevo lume ofamedia
sour ceinthemultimedia system isto be
re duced whenParking AssistPA RK TRONI Cgiv es
an audible warning. 0007
Selec tAudio Fadeout DuringWarn ingTon es. 0007
Activate0073 ordeacti vate 0053 thefunc tion. Dr
iving andparking 18
9

ta
ke regular break sin good timethat allo wfor
adeq uatere cup erati on.
Yo ucan choose between twose ttings.
R Standar d:nor mal system sensit ivity.
R Sensitiv e:higher system sensit ivity.The
dr iver iswa rned ear lier and theatt ent ion
le ve lde tected byATTENTION ASSISTis adap‐
te daccor dingly.
If dr ow siness orincr easing lapsesinconcen tra‐
tion arede tected, theATTE NTION ASSIS T:Take
a Break !wa rning appear sin theins trument dis‐
pla y.Yo ucan ackn ow ledg eth emessag eand
tak eabr eak wher eneces sary.Ifyo udo notta ke
a br eak and ATTENTION ASSISTcont inues to
de tect incr easing lapse sin concentr ation, you
will bewarned again afte ra minimu mof
15 minut es. Yo
ucan have thefo llo wing status informat ionfor
AT TENTION ASSISTdispla yedin theassis tance
menu oftheon- boar dcom puter:
R The lengt hof thejour neysince thelas t
br eak .
R The attent ion leve lde term ined byATTENTION
ASS IST.
If AT TENTION ASSISTis unable tocal cul ateth e
att ent ion leve land cannotissue awa rning, the
Sys tem Suspend edmes sage appear s.
If awa rning isgiv en intheins trument display,
th emultimedia system offers to sear chfora re st
ar ea. Youcan selectare st area and star tna vig a‐ tio
nto this rest area. This function can beact iva‐
te dand deactiv ated inthemultimedia system.
If AT TENTION ASSISTis deactiv ated, the00D7
symbol appearsin theassis tance grap hicin the
ins trumen tdispla ywhen theengine isrunning .
AT TENTION ASSISTis activ ated aut omaticall y
when theengine isre-sta rted. The lastselect ed
sensit ivityleve lre mains stor ed.
Sy stem limita tions
AT TENTION ASSISTis activ ein the37 mph
(60 km/ h)to 124mp h(200 km/h) speedrang e.
The func tional ity ofATTENTION ASSISTis
re strict ed, and warnings maybe dela yedor not
occ uratall inthefo llo wing situat ions:
R Ifyo uha ve been driving forless than appr ox‐
imat ely30 min utes.
R Ifth ero ad con dition ispoor (unevenro ad
sur face orpotholes).
R Ifth er eis ast ro ng side wind.
R Ifyo uadop ta spor tydrivin gst yle (high cor‐
ner ing speeds orhigh ratesof acceler ation).
R Ifth eSt eer ing Assis tfunc tion ofActiveDis ‐
ta nce AssistDIS TRONI Cis acti ve. 202
Driving andparking

th
is, youcan spec ifyinthemultimedia system
by howmuc hth emaximum permissible speed
can beexc eeded beforeawa rning isissued. You
can specify whether thewa rning isto be justa
visual warning oran acous ticone aswell.
Displa yin theIns trum ent Displa y In
stru ment Displa yin theWi descr eenCockpit
1 Perm issible speed
2 Perm issible speedwhenther eis are striction
3 Addition alsign withre striction Tr
af fic Sign Assistisno tav ailable inall coun ‐
tr ies. Ifit is una vailable, display1 issho wnin
th espeedome ter.
Sy stem limita tions
The system maybe impair edorma yno tfunc tion
in thefo llo wing situat ions:
R Ifth er eis poor visibility ,e.g. due toinsuf fi‐
cie ntillu mina tionofthero ad, ifth er ear e
highl yva riable shade condition sor inrain,
sno w,fogor hea vyspr ay.
R Ifth er eis glar e, e.g .fr om oncom ingtraf fic,
di re ct sunli ght orreflect ions. R
Ifth ewindshield inthear ea ofthemultifunc ‐
tion camer ais dir ty,or ifth ecamer ais fog‐
ge dup, damag edorcovered.
R Ifth etra ffic sign sar ehar dto detect, e.g. due
to dir tor sno w,orbecause they areco vered
or due toinsuf ficie ntlighti ng.
R Ifth einf ormation inthena vig ation system's
digit almap isincor rect or out-of-da te.
R Ifth esigns areambiguous, e.g.traf fic sig ns
on cons tructi onsites orinad jacent lanes.
R Ifyo utur nshar plywhen traffic sig ns areou t‐
sid eth ecamer a'sfield ofvision.
Se tting Traf fic Sign Assis t
Mult imed iasystem:
0018 Vehicle 0019
k Assist ance
0019 Traffic SignAssist
Ac tiv atin g/deac tivatin gaut omati cadop tion
of spe edlimits
Re quiremen ts:
R ActiveDis tance AssistDIS TRONI Cis acti va‐
te d. 20
4
Driving andparking

0007
Select LimitAdop tion. 0007
Activate0073 ordeacti vate 0053 thefunc tion.
The speed limitsdetected byTraf fic Sign
Assi stareaut omat icallyadop tedby Active
Dis tance AssistDIS TRONI C.
Di spl aying detected traf fic signs inthe
med iadis pla y 0007
Select Display inCOMA ND. 0007
Activate0073 ordeacti vate 0053 thefunc tion.
0009 When DISTRONIC orcruise control areacti‐
va ted, thespeed detected can bemanu ally
ad op tedas thespeed limit(0013 page17 1).
Ad jus tingthe type ofwa rning 0007
Selec tVisual &Audible ,Visual orNon e.
Ad jus tingthe warning threshold
This value determ ines thespeed atwhic ha
wa rning isissued whenexceeded. 0007
Select Warning Threshold. 0007
Setth edesir edspeed. Blind
SpotAssis tand Activ eBli nd Spo t
As sist wit hex itwa rning Fu
nction ofBlind SpotAssis tand Activ e
Bli nd Spo tAs sist wit hex itwa rning
Blin dSpo tAss istand ActiveBli nd Spo tAssi st
use twolat eral, rear-facin gra dar sensor sto
monit orthear ea up to130ft (40 m)behind your
ve hicle and10ft(3 m) direct lyne xt to your vehi‐
cle.
If ave hicle isde tected atspe eds aboveappr ox‐
imat ely8 mp h(12 km/h) andthis vehicle subse‐
qu ent lyent ersth emonit oring rang edire ctly next
to your vehicle, thewa rning lam pin theoutside
mir rorlig hts upred.
If ave hicle isde tected clos eto theside ofyour
ve hicle, there dwa rning lam pin theoutside mir‐
ro rflashes .If yo uswit chon thetur nsignal indi‐
cat orinthecor responding direction, awa rning
to ne sou nds once .If th etur nsignal indicat or
re mains switchedon,allother detected vehicles
ar eindicat edonlyby theflashin gof there d
wa rning lam p.
If yo uove rtak eave hicle quickl y, no warning is
giv en. 000A
WARNIN GRisk ofacci dent despite Blind
Spo tAssi st
Bli nd Spo tAssi stdoes notre act tovehicles
appr oaching andovertakin gyo uat agr ea tly
di ffer ent speed.
As are sult, Blind SpotAssis tcanno twa rn
dr iver sin this situat ion. 0007
Alw ayspa ycar eful attention tothetra f‐
fi c situ ation and maintain asaf edis‐
ta nce attheside oftheve hicle. Blind
SpotAssis tand ActiveBli nd Spo tAssi st
ar eon lyaids. Theyma yfa ilto detect some vehi‐
cles andareno subs titutefo ratt entiv edr iving.
Alw aysensur eth at ther eis suf ficie ntdist anc eto
th eside forot her road user sand obstacle s.
Exi twa rning
The exitwa rning isan addition alfunc tion of
Blin dSpo tAss istand canwarnvehicle occu‐
pants about approaching vehicles whenleaving
th eve hicle when statio nary. Dr
iving and parking 205

Se
tting thesensit ivityof Activ eLan eKe ep‐
ing Assis t
Multi media system:
0018 Vehicle 0019
k Assist ance
0019 Act .Lane Keep. Assist 0007
Select ase tting.
Ac tiv atin g/deac tivatin gthe warning 0007
Swit chLane Depart. Warning on0073 oroff
0053.
Yo udo notre cei veanywa rning when leaving
a lane ifth elane keeping warning system is
deactiv ated. Ve
hicl eto wing instruct ions
The vehicle isno tsuit able forth euse oftow bar
sy stems that areused forflat towing ording hy
to wing, forex am ple. Attach ing and using tow bar
sy stems canlead todamag eon theve hicle.
When youar eto wing ave hicle withto w bar sys‐
te ms, safedr iving charact eristic scan notbe
guar anteed forth eto wing vehicle ortheto we d
ve hicle. Thevehicle-tr ailercombination may
sw erve from side toside. Complywithth eper‐ mitt
edtowing methods (0013 page369) and
th eins truction sfo rto wing withbo th axle son the
gr ound (0013 page37 0). Dr
iving and parking 21
1

Fu
rther displa yson themultifunc tiondispla y:
0097 Gear
shiftre comme nda‐
tion (0013 page 142)
ë ActivePa rking Assistact ivat ed
(0013 page19 7)
é Parking AssistPA RK TRONI Cdeac tiva ted
( 0013 page18 8)
00B2 Cr
uis econtr ol(0013 page 167)
ç ActiveDis tance Assist
DIS TRONI C(0013 page 169)
00D4 Ac
tiveBr ak eAssi st(0013 page16 7)
è ActiveSt eer ing Assis t(0013 page17 5)
00B0 Ac
tiveLa ne Keeping Assist
(0013 page208)
± ActiveLa ne Chang e
Assi st(0013 page17 7)
00D6 ECO
star t/ stop funct ion
(0013 page13 4)
00D9 HO
LD functio n(0013 page 181)
00CE Ad
aptiveHig hbeam Assis t
(0013 page11 5) Ve
hicl eswith Traf fic Sign Assis t:De tected
ins tructi ons and traf fic sig ns (0013 page 203). Ad
jus tingthe inst ru men tlighti ng 0007
Turn brightn esscontrol 1 upordown.
The lightin gof theIns trument Displayand in
th econ trol element sof theve hicle interior is
adjus ted. Menus
andsubmenu s Fu
nctions ontheser vice menu oftheon-
boar dcom puter On-boar
dcom puter:
0018 Service 0007
Toselect thefun ction: swipeupwards or
do wn wardson thelef t-hand Touc hCon trol. 0007
Press thelef t-hand Touc hCon trol.
Fu nctio nson theServ icemenu:
R Messag ememor y(0013 page42 1)
R Tires :
- Restar tth etir epr essur eloss warning
sy stem (0013 page386)
- Chec kth etir epr essur ewit hth etir epr es‐
sur emonit or(0013 page38 4)
- Restar tth etir epr essur emonit or
(0013 page385)
R ASSYST PLUS: callsuptheser vice duedate
(0013 page33 7)
R Vehicl eswith aWi des cree nCo ckpit: Cool-
ant :cool anttemp eratur edispla y Ins
trument Displayand on-boar dcom puter 217