2019 MERCEDES-BENZ CLA COUPE warning

Switching
onBlind SpotAssist
X Make surethatBlind SpotAssist isactivated
in the on-board computer (Ypage 188).
X Turn theSmartK eytoposition 0048inthe igni-
tion lock.
Warning lamps0043inthe exterior mirrorslight
up red forapproximately 1.5seconds and
then turnyellow .
Lane Keeping Assist General
notes Lane
Keeping Assistmonitor sthe area infront of
your vehicle bymeans ofmultifunct ioncam-
era 0043which isattached behindthetop ofthe
windshield. LaneKeeping Assistdetectslane
markings onthe road andcanwarn youbefore
you leave yourlaneuninten tionally.
This funct ionisavaila bleinthe range between
40 mph and120 mph (60km/h and200 km/h ).
A warning maybegiven ifafront wheel passes
over alane marking. Itwill warn youbymeans of
intermit tentvibration inthe steering wheelfor
up to1.5 seconds.
Import antsafety notes G
WARNING
Lane Keeping Assistcannot alwaysclearly
detect lanemarkings.
In such cases, LaneKeeping Assistcan:
R give anunnecessary warning
R not give awarning
There isarisk ofan accident.
Always payparticular attentiontothe traffic
situation andkeep within thelane, especially
if Lane Keeping Assistalertsyou. G
WARNING
The Lane Keeping Assistwarning doesnot
return thevehicle tothe original lane.There is
a risk ofan accident.
You should alwayssteer, brakeoraccelerate
yourself, inparticular ifwarned byLane Keep-
ing Assist.
If you failtoadapt yourdriving style,LaneKeep-
ing Assist canneither reducetherisk ofan acci-
dent noroverride thelaws ofphysics. Lane
Keeping Assistcannot takeintoaccount the
road, traffic andweather condition s.Lane Keep-
ing Assist ismerely anaid. You areresponsible
for the distance tothe vehicle infront ,for vehi-
cle speed, forbraking ingood timeandforstay-
ing inyour lane.
The Lane Keeping Assistdoesnotkeep thevehi-
cle inthe lane.
The system maybeimpaired ormay notfunct ion
if:
R there ispoor visibility, e.g.due toinsufficient
illumi nation ofthe road, ordue tosnow, rain,
fog orspray
R there isglare, e.g.from oncomin gtraffic, the
sun orreflection fromother vehicles (e.g.if
the road surface iswet)
R the windshield isdirty, fogged up,damaged or
covered, forinstanc eby astick er,inthe vicin-
ity ofthe camera
R there arenoorseveral unclear lanemarkings
for one lane, e.g.roadworks
R the lane markings areworn away,dark orcov-
ered up,e.g. bydirt orsnow
R the distance tothe vehicle infront istoo short
and thus thelane markings cannotbedetec-
ted
R the lane markings changequickly, e.g.lanes
branch off,cross oneanother ormerge
R the road isnarrow andwinding
R there arehighly variable shadecondition son
the roadway
Switching onLane Keeping Assist
X Switch onAct ive Lane Keeping Assistusing
the on-board computer; todo so, select
Standard Standard
orAdaptive Adaptive
(Ypage 176).
If you drive atspeeds above40mph
(60 km/h) andlane markings aredetect ed,
the lines inthe assistance graphicareshown 176
Driving
systemsDriving andparking

Disp
laying theas sist ance grap hic X
Press the0059 or0065 buttonon thest eer ing
whee lto sel ectth eDri veAssist Dri
veAssistmen u.
X Press 0063 or0064 tosel ectAss ist. Ass
ist.
Gra phic Gra
phic.
X Press 0076 toconfirm .
The mult ifunction display showstheAc tive
Di stanc eAs sis tDI ST RON ICdis tanc edis play
on theass istant display.
The assistanc egr aphi cdis plays thest at us of
and info rm ation from thefo llow ing dri vin g
sys tems ordrivin gsaf etysys tems :
R Ac tive Distanc eAs sis tDI ST RON IC
(Y page 152)
R Ac tive Brak eAs sis t(Y page 62)
R AT TENTI ON ASSIST (Ypage 173)
R Lan eKee pingAs sis t(Y page 176)
X Press 0064 todis play theAT TENTI ON ASSIST
ass ess men t.
Deact ivating/a ctivating ESP ® Obs
erveth eimp ortant saf etyno teson ESP®
(Y page 64). G
WAR
NING
If you deac tivat eES P®
,ES P®
no longer sta-
biliz estheveh icle. The reisan incr ease dris k
of skiddi ngand anacc iden t.
On lydeac tivat eES P®
in thesit uat ionsdes cri-
bed inthefo llow ing.
It may bebes tto deac tivat eES P®
in thefo llow -
in g sit uat ions:
R when usingsn ow chain s
R in dee psn ow
R on san dor grave l
De act ivat ing/ act ivat ing ES P®
in Mer cedes -
AM Gveh icles (Ypage 66).
Fo rfur ther info rm ation about ESP®
,see
(Y page 64). X
Start theen gin e.
X Press the0059 or0065 buttonon thest eer ing
whee lto sel ectth eDri veAssist Dri
veAssistmen u.
X Press 0063 or0064 tosel ectESP ESP
.
X Press 0076 toconfirm .
The curren tsel ection appe ars.
X To act ivate/de activate:pre ssthe0076 but-
to nagain .
ES P®
is deac tivat edifth e00BB warninglamp
in theinst rum entcl ust erligh tsup continu-
ousl ywhen theen gin eis run ning .
If th e00E5 and00BB warning lamp sligh tup
co ntinuous ly,ESP®
is no tavai lable duetoamal-
fun ction .
Obs erveth einfo rm ation onwarn ing lamp s
(Y page 223).
Obs erveth einfo rm ation ondisplay messages
(Y page 194).
Act ivating/d eactivating Act ive Brak e
Assis t X
Press the0059 or0065 buttonon thest eer ing
whee lto sel ectth eDri veAssist Dri
veAssistmen u.
X Press the0063 or0064 buttonto sel ect
Bra keAssist Bra
keAssist.
X Press 0076 toconfirm .
The curren tsel ection appe ars.
X To act ivate/de activate:pre ssthe0076 but-
to nagain .
Whe nAc tive Brak eAs sis tis deac tivat ed, the
00D4 symbolappe arsinthemult ifunction dis-
play intheass istanc egr aphi cdis play.
Fur ther info rm ation onActive Brak eAs sis t
(Y page 62).
Act ivating/d eactivating ATT ENTIO N
ASSIS T X
Press the0059 or0065 buttonon thest eer ing
whee lto sel ectth eDri veAssist Dri
veAssistmen u.
X Press the0063 or0064 buttonto sel ect
Att ention Assist Att
ention Assist.
X Press 0076 toconfirm .
The curren tsel ection appe ars.
X Press 0076 toconfirm . Men
usandsu bm enu s
187On- boa rdcom puteran ddis pla ys Z

X
Press the0064 or0063 button toset Off Off,
Standard Standard
orSensitive Sensitive.
X Press the0076 button tosave thesetting.
When ATTENTION ASSISTisdeactivated, the
00D7 symbol appears inthe multifunc tiondis-
play inthe assistanc egraphics display.
For further informationabout ATTENTION
ASS IST, see(Ypage 173).
<002400460057004C005900440057004C0051004A001200470048004400460057
004C00590044> tingBlind Spot
Assist X
Press the0059 or0065 button onthe steerin g
wheel toselect theDriveAssis t DriveAssis
tmenu.
X Press the0063 or0064 button toselect
Blind SpotAssist Blind
SpotAssist.
X Press 0076toconf irm.
The curren tselection appears.
X To activat e/deactivat e:press the0076 but-
ton again.
For further informationabout BlindSpotAssist ,
see (Ypage 174).
<002400460057004C005900440057004C0051004A001200470048004400460057
004C00590044> tingLane Keeping
Assist X
Press the0059 or0065 button onthe steerin g
wheel toselect theDriveAssis t DriveAssis
tmenu.
X Press the0063 or0064 button toselect
Lane Keeping Assist Lane
Keeping Assist.
X Press 0076toconf irm.
The curren tselection appears.
X Press 0076again toconf irm.
X Press the0064 or0063 button toset Off Off,
Standard Standard
orAdaptive Adaptive.
X Press the0076 button tosave thesetting.
When LaneKeeping Assistisactivat ed,the
multifunc tiondisplay showsthelane mark-
ings asbright linesinthe assistanc egraphic.
For further informationabout LaneKeeping
Assist ,see (Ypage 176). Service
menu
Dependin gon the equipment installedinthe
vehicle, youhave thefollowing optionsinthe
Serv. Serv.
menu: R
Calli ngup display messages inmessage
memory (Ypage 193)
R Restartin gthe tire pressure losswarning sys-
tem (Canada only)(Ypage 297)
R Checking thetire pressure electronically
(USA only)(Ypage 297)
R Calli ngup the service duedate
(Y page 264) Settings
menu
Introdu ction Dependin
gon the equipment installedinthe
vehicle, youhave thefollowing optionsinthe
Sett. Sett.
menu:
R Changing theinstr ument cluster settings
R Changing thelight settings
R Changing thevehicle settings
R Changing theconv enienc esett ings
R Restoring thefactor ysett ings
Instru mentcluster Selecting
thedista nceunit
The Display UnitSpeed-/Odo meter: Display
UnitSpeed-/Odo meter:func-
tion allows youtochoose whether certaindis-
plays appear inkilometer sor miles inthe mul-
tifunc tiondisplay.
X Press the0059 or0065 button onthe steerin g
wheel toselect theSett. Sett.
menu.
X Press the0064 or0063 button toselect the
Instrument Cluster Instrument
Clustersubmenu.
X Press 0076toconf irm.
X Press the0064 or0063 button toselect the
Display UnitSpeed-/Odo meter Display
UnitSpeed-/Odo meterfunction.
You willsee theselected setting: km km
ormiles miles.
X Press the0076 button tosave thesetting.
The selected unitofmeasurement fordistanc e
applies to:
R Digital speedometer inthe Trip Trip
menu
R Odometer andthetrip odometer
R Trip computer
R Current fuelcons umption andapproximate
range
R Navigation instruction sin the Navi Navi
menu
R Cruise control 188
Menus
andsubmenusOn-board computerand display s

Safety
systems Display
messages Possible
causes/co nsequences and0050 0050
Solutions 002500E5
Currently Unavaila‐ Currently
Unavaila‐
ble SeeOperator's ble
SeeOperator's
Manual Manual ABS
(Anti- lockBraking System), BAS(Brake Assist), ESP®
(Electronic
Stability Program), theHOLD function andhillstart assist aretempo-
rarily unavail able.
Act ive Brake Assist mayhave alsofailed .
In addition, the0025, 00E5and00BB warning lampsmaylight upin
the instrument cluster.
ATTENTION ASSISTisdeactivated.
Possible causesare:
R Self-diagnosis isnot yetcomplete
R The on-board voltagemaybeinsufficient
G WARNING
The brake system continues tofunction normally, butwithout the
functions listedabove. Thewheels couldtherefore lockifyou brake
hard, forexample.
The steerabili tyand braking characteristics maybeseverely affected.
The braking distance inan emergency brakingsituation canincrease.
If ESP ®
is not operational, ESP®
is unable tostabilize thevehicle.
There isan increased riskofskidding andanaccident.
X Carefu llydrive onasuitabl estretc hof road, making gentlesteering
movements atspeeds ofabove 12mph (20km/h).
If the displa ymessage disappears,thefunctions mentioned above
are avail able again.
If the multifunction displaystill shows thedispla ymessage:
X Drive oncarefully .
X Visit aqual ified speciali stworkshop immediately . 002500E5
Inoperative See Inoperative
See
Operator's Manual Operator's
Manual ABS,
BAS,ESP®
,the HOLD function andhillstart assist arenot avail -
able duetoamalfunction.
Act ive Brake Assist mayhave alsofailed .
The 0025, 00E5,00BBand0027 (USAonly)or004D (Canad aonly)
warning lampsinthe instrument clustermayalsolight up.
ATTENTION ASSISTisdeactivated.
G WARNING
The brake system continues tofunction normally, butwithout the
functions listedabove. Thewheels couldtherefore lockifyou brake
hard, forexample.
The steerabili tyand braking characteristics maybeseverely affected.
The braking distance inan emergency brakingsituation canincrease.
If ESP ®
is not operational, ESP®
is unable tostabilize thevehicle.
There isan increased riskofskidding andanaccident.
X Drive oncarefully .
X Visit aqual ified speciali stworkshop immediately .194
Dis
play messagesOn-board comp uter anddisplays

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 00E5
Cur rently Unavai la‐ Cur
rently Unavai la‐
ble SeeOperat or's ble
SeeOperat or's
Man ual Man
ual ES
P®
,BA S,theHO LD function and hillstart assi stare tempo rarily
unav ailable .
Ac tive Brake Assis tmay havealso failed.
In addit ion,th e00E5 and00BB warninglamp smay lightup inthe
ins trumen tclus ter.
AT TENTI ON ASSIST isdeac tivat ed.
The self-diagn osis function mightnotbe compl ete, for exampl e.
G WAR
NING
The brak esyst emcontinu estofun ction norm ally, butwithout the
fun ction slist ed abov e.
The brak ingdist ancein an eme rgencybrak ingsituati oncan thus
inc reas e.
If ES P®
is no toper ational, ESP®
is unab leto stabiliz eth eveh icle.
The reisan increas edriskof skiddin gand anacc iden t.
X Caref ullydrive asuit able distance,mak ingslightsteer ing mov e-
men tsat aspe edabov e12 mph (20km/ h).
If the displ aymessag edisa ppea rs,the functions mentioned above
are avai lableaga in.
If the multifu nctiondisplaystill shows thedispl aymessag e:
X Drive oncareful ly.
X Visit aqua lifiedspecia listworkshop immediately. 00E5
Inoperative See Inoperative
See
Operator's Manual Operator's
Manual ESP
®
,BAS, theHOLD function andhillstart assistare unava ilable due
to amalfu nction.
Active BrakeAssist mayhave alsofailed.
In addi tion, the00E5 and00BB warning lampsmay lightup inthe
instrument cluster.
ATTENTION ASSISTis deactiva ted.
G WARNING
The brake system continues tofunction normally,but withou tthe
functions listedabove.
The braking distance inan emergency brakingsituationcanthus
increase.
If ESP ®
is not opera tional, ESP®
is unabl eto stabil izethe vehicle .
There isan increased riskofskidding andanaccident.
X Drive oncareful ly.
X Visit aqua lifiedspecia listworkshop immediately. Di
splay message s
195On-bo ardcompu terand displays Z

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions 007A
0025
00E5 Ino perativeSee Ino
perativeSee
Ope rator'sMan ual Ope
rator'sMan ual EB
D(elec tron icbrak efor ce dist ribution),AB S,BA S,ES P®
,th eHO LD
fun ction and hillstart assi stare notavail able duetoamalf unction .
Ac tive Brake Assis tmay havealso failed.
A warn ingtone soun ds.
In addit ion,th e00E5, 00BBand0025 warninglamp smay lightup in
th eins trumen tclus ter.
G WAR
NING
The brak esyst emcontinu estofun ction norm ally, butwithout the
fun ction slist ed abov e.The fron tand rear whee lsco uld there foreloc k
if you brak ehar d,for exampl e.
The steer abilit yand brak ingcharac teris tics may besev erelyaff ected.
The brak ingdist ancein an eme rgencybrak ingsituati oncan increas e.
If ES P®
is no toper ational, ESP®
is unab leto stabiliz eth eveh icle.
The reisan increas edriskof skiddin gand anacc iden t.
X Dr ive oncar eful ly.
X Vis itaqualif iedspecialistwor kshop immediat ely. 0049
(USA
on ly) 0024 (Canada
on ly)
Tur nOn the Igni‐ Tur
nOn the Igni‐
tio n tio
nto to
Rel ease Rel
easethe the
Par kingBra ke Par
kingBra ke The
red0049 (USAon ly) or0024 (Canadaonly) ind icat orlamp lights
up.
You attemp tedto rel ease theelec tric park ingbrak ewhile theign ition
was switched off.
X Sm artKey :tur nth eSm artKey topos ition 0047intheign ition lock.
X KEYLESS -GO: swit chon theign ition . 0049
(USA
on ly) 0024 (Canada
on ly)
Ple ase Ple
ase Release Rel
easePar k‐ Par
k‐
ing Brake ing
Brake The
red0049 (USAon ly) or0024 (Canadaonly) ind icat orlamp flashes
and awarn ingtone soun ds.Aco nd ition forauto maticrel ease ofthe
elec tric park ingbrak eis no tfulf illed (Ypage 145).
You aredrivin gwit hth eelec tric park ingbrak eapplie d.
X Releas eth eelec tric park ingbrak eman ually. The
red0049 (USAon ly) or0024 (Canadaonly) ind icat orlamp flashes
and awarn ingtone soun ds.
You areusin gth eelec tric park ingbrak efor eme rgencybrak ing
(Y page 145). 0049
(USA
on ly) 0024 (Canada
on ly)
Par kingBra keSee Par
kingBra keSee
Ope rator'sMan ual Ope
rator'sMan ual The
yellow 0024warninglamp lightsup.
The electric park ingbrak eis malf unction ing .
To apply :
X Swi tchth eign ition off.
X Pre sstheelec tric park ingbrak ehan dleforatleast tensec onds.
X Sh ift thetrans mis sion topos ition 005D.
X Con sult aqualif iedspecialistwor kshop . 196
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions The
yellow 0024warninglamp andthered 0049 (USAon ly) or0024
(Can adaonly) ind icat orlamp lightup.
The electric park ingbrak eis malf unction ing .
To releas e:
X Swi tchoff theign ition and turnit bac kon .
X Releas eth eelec tric park ingbrak eman ually.
or X Releas eth eelec tric park ingbrak eauto matically(Y page 143).
If th eelec tric park ingbrak est ill can notbe release d:
X Do notdri ve on.
X Con sult aqualif iedspecialistwor kshop . The
red0049 (USAon ly) or0024 (Canadaonly) ind icat orlamp flashes
and theyellow 0024warninglamp lightsup.
The electric park ingbrak eis malf unction ing .
To releas e:
X Swi tchoff theign ition and turnit bac kon .
X Releas eth eelec tric park ingbrak eman ually.
To apply :
X Swi tchoff theign ition and turnit bac kon .
X Ap ply theelec tric park ingbrak eman ually.
If th ered 0049 (USAon ly) or0024 (Canadaonly) ind icat orlamp con-
ti nue sto flas h:
X Do notdri ve on.
X Se cur eth eveh icleagain strol lingaway (Ypage 312).
X Sh ift thetrans mis sion topos ition 005D.
X Turn thefron twhee lstoward sth ecur b.
X Con sult aqualif iedspecialistwor kshop . Disp
laymes sage s
197On -boar dcomp uter anddi sp lay s Z

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions The
yellow 0024warninglamp lightsup. The red0049 (USAon ly)
or 0024 (Canadaonly) ind icat orlamp flashes forabout tensec onds
aft ertheelec tric park ingbrak ehas been applie dor release d.Itth en
goe sout orrem ainslit .
The electric park ingbrak eis malf unction ing .
X Swi tchoff theign ition and turnit bac kon .
X Ap ply theelec tric park ingbrak e.
If it is no tpos sibleto apply theelec tric park ingbrak e:
X Sh ift thetrans mis sion topos ition 005D.
X Vis itaqualif iedspecialistwor kshop .
If it is no tpos sibleto release theelec tric park ingbrak eman ually:
X Releas eth eelec tric park ingbrak eauto matically(Y page 143).
If th eelec tric park ingbrak est ill can notbe release d:
X Con sult aqualif iedspecialistwor kshop . The
yellow 0024warninglamp lightsup. Ifyou man ually apply or
rel ease theelec tric park ingbrak e,thered 0049 (USAon ly) or0024
(Can adaonly) ind icat orlamp flashes .
The elec tric park ingbrak eis malf unction ing .It is no tpos sibleto apply
th eelec tric park ingbrak eman ually.
X Sh iftthetrans mis sion topos ition 005Dastheelec tric park ingbrak eis
no tapplie dauto matically.
X Vis itaqualif iedspecialistwor kshop . 0049
(USA
on ly) 0024 (Canada
on ly)
Par kingBra keInop‐ Par
kingBra keInop‐
era tive era
tive The
yellow 0024warninglamp lightsup. The red0049 (USAon ly)
or 0024 (Canadaonly) ind icat orlamp flashes forabout tensec onds
aft ertheelec tric park ingbrak ehas been applie dor release d.Itth en
goe sout orrem ainslit .
The electric park ingbrak eis malf unction ing ,e. g. bec ause ofove r-
vol tag eor und ervoltage.
X Remo vethecaus efor theove rvolt age orund ervoltage, e.g. by
ch arg ing thebat tery or res tarting theen gin e.
X Ap ply orrelease theelec tric park ingbrak e.
If it rem ainsimp ossible toapply orrelease theelec tric park ingbrak e:
X Swi tchoff theign ition and turnit bac kon .
X Ap ply orrelease theelec tric park ingbrak e.
If th eelec tric park ingbrak est ill can notbe release d:
X Con sult aqualif iedspecialistwor kshop .
If th eelec tric park ingbrak est ill can notbe applie d:
X Vis itaqualif iedspecialistwor kshop . 198
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s