2019 MERCEDES-BENZ CLA COUPE sensor

Problems
withParking AssistPARKTRONIC Problem
Possible
causes/co nsequences and0050 0050
Solutions Only
thered segments in
the Parking Assist
PARKTRONIC warning
display sare lit.You also
hear awarning tonefor
approximately twosec-
onds.
Parking Assist
PARKTRONIC isthen
deactivated andtheindi-
cator lamponthe
PARKTRONIC button
lights up. Parking
AssistPARKTRONIC hasmalfunction edand hasbeen deacti-
vated.
X Ifproblems persist,haveParking AssistPARKTRONIC checkedata
quali fiedspecialist workshop. Only
thered segments in
the Parking Assist
PARKTRONIC warning
display sare lit.Parking
Assist PARKTRONIC is
then deactivated. The
Parking AssistPARKTRONIC sensorsaredirty orthere isinter-
ferenc e.
X Clean theParking AssistPARKTRONIC sensors(Ypage 269).
X Switch theignition backon. The
problem maybecaused byan extern alsource ofradio orultra-
sound waves.
X Check tosee ifParking AssistPARKTRONIC worksatadifferent
location. Active
Parking Assist
General notes Act
iveParking Assistisan electron icparking aid
with ultrasound. Itmeasures theroad onboth
sides ofthe vehicle. Aparking symbolindicates
a suitable parkingspace.Active steering inter-
vent ionand brake application canassist you
during parking andwhen exiting aparking
space. Youcanalso stilluse Parking Assist
PARKTRONIC (Ypage 162).
Import antsafety notes Act
ive Parking Assistismerely anaid. Itis not a
replacement foryour atten tiontoyour immedi-
ate surroundings. Youarealwa ysresponsible
for safe maneuvering, parkingandexiting a
parking space.Makesurethatthere arenoper-
sons, animals orobject sin the maneuvering
area when youaremaneuvering orparking.
When Parking AssistPARKTRONIC isdeactiva-
ted, Active Parking Assistisalso unavaila ble. G
WARNING
While parking orpulli ngout ofaparking
space, thevehicle swingsoutand candrive
onto areas ofthe oncomin glane. Thiscould
cause youtocollide withother roadusers or
object s.There isarisk ofan accident.
Pay atten tiontoother roadusers orobject s.
Stop thevehicle ifnecessary orcancel the
Act ive Parking Assistparking procedure.
! If
they cannot beavoided, driveoverobsta-
cles such ascurbs slowly andatan obtuse
angle. Otherwise, youmay damage the
wheels ortires.
Act ive Parking Assistmaypossibly indicate
parking spaceswhicharenot suitable forpark-
ing, forexample:
R where parking orstopping isprohibited
R in front ofdriveways orentr ances andexits
R on unsuitable surfaces Driving
systems
165Drivingandparking Z

Acti
vating ATT ENT ION ASSIS T X
Ac tivat eAT TENTI ON ASSIST usin gth eon -
boar dco mput er(Y page 187).
The systemdeterm inesth eatt ention levelof
th edri ver depe nding ontheset ting sele cted:
Sta ndard Sta
ndardsele cted: thesen sitivit ywit hwhic h
th esyst emdeterm inesth eatt ention levelisset
to norm al.
Sen sitive Sen
sitive selected: thesen sitivit yis set
high er.The attention leveldet ectedby Attent ion
As sis tis adapt edacc ordinglyand thedri ver is
warn edearl ier.
When ATTENTI ON ASSIST isdeac tivat ed, the
00D7 symbolappear sin themult ifunction dis-
play intheassi stanc egrap hicdisp lay.
When ATTENTI ON ASSIST has been deactivat ed,
it is auto maticallyreac tivat ed aftertheen gin e
has been stoppe d.The sensitivit ysele cted cor-
res pon dstothelast selection activat ed(stand -
ard/ sensitive ).
Wa rning inthemu ltifu nct ion displa y If
fat igue orinc reas inglapse sin concen trati on
are detected, awarn ingappear sin themult i-
fun ction disp lay:ATTENTION ASSIST ATT
ENTION ASSIST Takea Tak
ea
Bre ak! Bre
ak! .
In addit iontothemes sage showninthemult i-
fun ction disp lay,you willthen hear awarn ing
to ne .
X Ifne cessar y,tak eabre ak.
X Con firm themes sage bypre ssing the0076
but tonon thest eer ing whee l.
On longjo urn eys, takereg ular breaks ingoo d
ti me toallow yourselftores tpro perly.Ifyou do
no ttak eabre akand ATTENTI ON ASSIST still
det ects inc reas inglapse sin co ncen trati on,you
will bewarn edagain after15 min utesat the
earl iest.This willonlyhapp enifAT TEN-
TIO NAS SIST still det ects typ ical indicat ors of
fat igue orinc reas inglapse sin concen trati on.
Veh icles withth eCOMA NDmultim edi asys -
tem :if awarn ingisout put inthemult ifunction
disp lay,aser vicest ati on sear chisper formed in
th emult imediasyst em. You cansele ctaser vice
st ati on and navigat iontothis ser vicest ati on will
th en begi n.This function can beact ivat edor
deac tivat ed inthemult imediasyst em; seethe
Di git alOper ator's Man ual. Lan
eTr ack ing packa ge
Gene ralnot es The
LaneTrac king pac kageco nsist sof Blind
Sp ot Assis t(Y page 174)and LaneKee ping
As sis t(Y page 176).
Bli nd Spot Assis t Gene
ralnot es
Bli nd Spot Assis tmon itors theareas oneither
side oftheveh icleth at are notvis ible tothe
dri ver withtwo lateral ,rear -facin gradar sen-
sor s.Awarn ingdisp layintheex terio rmir rors
draw syour attention toveh icles det ectedin the
mon itore darea. Ifyou then swit chon theco r-
res pon dingtur nsign alto chang elan e,you will
also receivean opt ical and audible warning.
Bli nd Spot Assis tsupp ortsyou from aspee dof
appr oximat ely20mph (30km/h).
Imp ortant safety notes G
WAR
NING
Bli nd Spot Assis tdoes notreac tto :
R veh icles ove rtake nto oclo sely ontheside ,
plac ingthem intheblin dspo tarea
R veh icles whic happr oachwit halarg espee d
dif fer ential and overtake your vehicle
As ares ult,Bli nd Spot Assis tmay notgiv e
warn ingsin suc hsit uati ons.The reisaris kof
an acc iden t.
Alw ays observeth etraff icco nd ition scar e-
fully, andmain tainasaf elat eral distance.
Bli nd Spot Assis tis on lyan aid. Itmay failto
det ectsom eveh icles and isno subs titut efor
att entive drivin g.Alw ays ensur eth at there is
suf ficien tdist anceto theside forother road
user sand obstacles.
i US
Aon ly:
This devicehas been approvedby theFCC as
a "Veh icularRadar System". The radar sensor
is int ended foruse inan auto motiveradar
syst emonly. Remo ving,tam pering with,or
alt eri ng thedev icewill voidany warr anties,
and isno tper mittedby theFCC. Donottam -
per with,alt er, oruse inany non-appr oved
way. 174
Driv
ingsystem sDriv ingand parki ng

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions Act
ive Act
ive Brake Bra
keAss ist Ass
ist
Fun ctions Fun
ctions Currently Cur
rently
Lim itedSee Opera‐ Lim
itedSee Opera‐
tor 'sManual tor
'sManual Ac
tive Brake Assis tis tempo rarily ino per ative.
Pos siblecaus esare:
R theradar sensor syst emistempo rarilyino per ative, e.g. due toelec -
tr omag netic radi ation emi tted bynearby TVorradi ostati onsor
ot her sour cesof elec tromag netic radi ation
R thesyst emisout side theoper ating tempe rature range
R theon -boar dvol tag eis toolow
Whe nth ecaus esstate dabov eno longer apply, thedisp laymes sage
disap pears.
Ac tive Brake Assis tis oper ationalagain .
If th edisp laymes sage does notdisap pear:
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 142).
X Rest arttheen gin e. Act
ive Brake Act
ive Brake
Ass ist: Ass
ist:Sys tem Sys
tem Inop‐ Ino
p‐
era tive era
tive Ac
tive Brake Assis tis unav ailable duetoamalf unction .Sit uati on-
depe ndentbrak ingassi stanc emay alsohavefail ed.
X Vis itaqualif iedspecialistwor kshop immediat ely. Rad
ar Rad
arSen sors Sen
sorsDir ty Dir
ty
See Operator'sMan ‐ See
Operator'sMan ‐
ual ual The
radar sensor syst emismalf unction ing .
Pos siblecaus esare:
R dir ton sen sors
R heav yrain orsnow
R when drivin gon inter- urban roadswithout traff icor infras truct ure,
e. g. indes ert-like area s
At least onedri vin gsyst emordri vin gsaf etysyst emismalf unction ing
or istempo rarilyunav ailable :
R Ac tive Brake Assis t
R Ac tive Distanc eAs sis tDI ST RONI C
A warn ingtone also soun ds.
On ce thecaus eof thepro blem isno longer presen t,th edri vin gand
dri ve saf etysyst ems willbeavail able again .The disp laymes sage dis-
appear s.
If th edisp laymes sage does notdisap pear:
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 142).
X Swi tchoff theen gin e.
X Clean allsen sors(Y page 269).
X Rest arttheen gin e.
The displaymes sage disap pears. 200
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions Lan
e Lan
eKee ping Kee
pingAss ist Ass
ist
Cur rently Unavaila‐ Cur
rently Unavaila‐
ble SeeOperator's ble
SeeOperator's
Man ual Man
ual Lan
eKee pingAs sis tis deac tivat ed and tempo rarily ino per ative.
Pos siblecaus esare:
R thewin dsh ield inthecam era'sfie ldof vis ion isdir ty
R vis ibilit yis imp aire ddue toheav yrain ,sn ow orfog
R there havebeen nolanemar king sfor anextend ed per iod
R thelan emar king sare wor naway, darkorcover edup, e.g. by dirtor
sn ow
Whe nth ecaus esstate dabov eno longer apply, thedisp laymes sage
disap pears.
Lan eKee pingAs sis tis oper ationalagain .
If th edisp laymes sage does notdisap pear:
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 142).
X Clean thewin dsh ield. Lan
e Lan
eKee ping Kee
pingAss ist Ass
ist
Ino perative Ino
perative Lan
eKee pingAs sis tis def ective.
X Vis itaqualif iedspecialistwor kshop . Bli
ndSpotAss ist Bli
ndSpotAss ist
Cur rently Unavaila‐ Cur
rently Unavaila‐
ble SeeOperator' s ble
SeeOperator' s
Man ual Man
ual Bli
nd Spot Assis tis tempo rarily ino per ative.
Pos siblecaus esare:
R theradar sensor syst emistempo rarilyino per ative, e.g. due toelec -
tr omag netic radi ation emi tted bynearby TVorradi ostati onsor
ot her sour cesof elec tromag netic radi ation
R theradar sensor syst emisout side theoper ating tempe rature range
The yellow 0063indicat orlamp salso lightup intheex terio rmir rors.
Whe nth ecaus esstate dabov eno longer apply, thedisp laymes sage
disap pears.
Bli nd Spot Assis tis oper ationalagain .
If th edisp laymes sage does notdisap pear:
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 142).
X Rest arttheen gin e. Bli
ndSpotAss ist Bli
ndSpotAss ist
Ino perative Ino
perative Bli
nd Spot Assis tis malf unction ing .
The yellow 0063indicat orlamp salso lightup intheex terio rmir rors.
X Vis itaqualif iedspecialistwor kshop . Act
ive Parking Act
ive Parking
Ass ist Canceled Ass
ist Canceled The
driver 'sdoor isopen andthedri ver 'sseat belthasnotbeen fas-
te ne d.
X Repeat thepark ingprocess wit hth eseat beltfastene dand the
dri ver 'sdoor closed . 210
Disp
laymes sage sOn -boar dcomp uter anddi sp lay s

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions You
haveina dve rten tly to uch edthemult ifunction steer ing whee lwhile
st eer ing interv ention was active.
X Whil est eer ing interv ention isact ive,mak esur eth at themult ifunc-
ti on steer ing whee lis no tto uch eduninten tion ally. The
vehiclehas start ed toskid and ESP®
has interv ened.
X Use Active Park ingAssis tagain later (Y page 165). Act
ive Parking Act
ive Parking
Ass ist Inoperati ve Ass
ist Inoperati ve You
havejus tcar riedout alarg enum beroftur nin gor park ingman eu-
ver s.
Ac tive Park ingAssis twill become available again afterappr oximat ely
te nmin utes(Y page 165).
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Swi tchoff and restartth een gin e.
If th emult ifunction disp laystill sho wsthedisp laymes sage :
X Vis itaqualif iedspecialistwor kshop . Park
ingAssis tPA RKTRO NICis malf unction ing .
X Vis itaqualif iedspecialistwor kshop . Act
ive Parking Act
ive Parking
Ass ist Finished Ass
ist Finished The
vehicleis park ed.Awarn ingtone also soun ds.
The displaymes sage disap pearsauto matically. Act
ive Distance Act
ive Distance
Ass ist Off Ass
ist Off Ac
tive Distanc eAs sis tDI ST RONI Cwas deac tivat ed (Ypage 156).
If it was notdeac tivat ed bythedri ver ,a warn ingtone also soun ds. Act
ive Distance Act
ive Distance
Ass ist Ass
ist Now Now
Available Ava
ilable Ac
tive Distanc eAs sis tDI ST RONI Cis oper ationalagain afterhav ing
been tempo rarilyunav ailable .You cannowreac tivat eAc tive Distanc e
As sis tDI ST RONI C(Y page 154). Act
ive Distance Act
ive Distance
Ass ist Currently Ass
ist Currently
Una vailableSee Una
vailableSee
Ope rator'sMan ual Ope
rator'sMan ual Ac
tive Distanc eAs sis tDI ST RONI Cis tempo rarily ino per ative.
Pos siblecaus esare:
R theradar sensor syst emistempo rarilyino per ative, e.g. due toelec -
tr omag netic radi ation emi tted bynearby TVorradi ostati onsor
ot her sour cesof elec tromag netic radi ation
R thesyst emisout side theoper ating tempe rature range
R theon -boar dvol tag eis toolow
A warn ingtone also soun ds.
Whe nth ecaus esstate dabov eno longer apply, thedisp laymes sage
disap pears.
Ac tive Distanc eAs sis tDI ST RONI Cis oper ationalagain .
If th edisp laymes sage does notdisap pear:
X Pull overand stop theveh iclesaf ely assoo nas pos sible,payin g
att ention toroa dand traff icco nd ition s.
X Se cur eth eveh icleagain strol lingaway (Ypage 142).
X Rest arttheen gin e. Disp
laymes sage s
211On -boar dcomp uter anddi sp lay s Z

Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions Tir
ePress.Sen ‐ Tir
ePress.Sen ‐
sor (s) Missing sor
(s) Missing US
Aon ly:
The reisno sign alfrom thetire pre ssur esen sor ofon eor sev eral tires .
The pressur eof theaff ectedtire does notappear inthemult ifunction
disp lay.
X Hav eth efault ytire pre ssur esen sor replace dat aqualif iedspe cial-
ist wor kshop . Tir
ePre ssure Moni‐ Tir
ePre ssure Moni‐
tor Inoperative No tor
Inoperative No
Whe elSensors Whe
elSensors US
Aon ly:
The whee lsmoun teddo nothav easuit able tire pre ssur esen sor.The
ti re pre ssur emon itor isdeac tivat ed.
X Moun twhee lswit hsuit able tire pre ssur esen sors.
The tire pre ssur emon itor isact ivat edauto maticallyaft erdri vin gfor
a few minutes. Tir
e Tir
ePre ss. Pre
ss. Monitor Mon
itor
Ino perative Ino
perative US
Aon ly:
The tire pre ssur emon itor isfault y.
X Vis itaqualif iedspecialistwor kshop . Veh
icle Disp
laymes sages Poss
iblecauses/co nsequences and 0050 0050
Solu tions Dep
ressBra ke to Dep
ressBra ke to
Sta rtEngine Sta
rtEngine You
haveatt emp tedto start theen gin ewit hth etrans mis sion inpos i-
ti on 005C without depressing thebrak epedal .
X De pre ssthebrak epedal . ToTo
Des elect Des
electP P
or or
N, N,
Dep ressBra keand Dep
ressBra keand
Sta rtEngine Sta
rtEngine You
attemp tedto shi ftthetrans mis sion topos ition 005Eor005B without
st art ing theen gin e.
X Start theen gin e.
X De pre ssthebrak epedal .
i It
is pos sibleto shi ftthetrans mis sion from position 005Dtothe
des iredpos ition onlyifyou depr essthebrak epedal .On lythen can
th epark inglockbe deac tivat ed. Ifyou donotdepr essthebrak e
pedal ,th eDI RECT SELECT levercan still be mov edbut thepark ing
loc krem ainsen gage d.
i At
trans mis sion fluidte mpe ratures below00F84 ‡(00F82 0†), you can
shi ftout ofpos ition 005Dintoano ther trans mis sion position only
when theen gin eis run ning. App
lyBraketo App
lyBraketo
Shi ftfrom'P' Shi
ftfrom'P' You
attemp tedto shi ftthetrans mis sion topos ition 005E, 005Cor005B
wit hout depressing thebrak epedal .
X De pre ssthebrak epedal . Disp
laymes sage s
215On -boar dcomp uter anddi sp lay s Z

Warning/
indic ator
lamp 00510051
Sign altype
Poss iblecause s/cons equen cesand 0050 0050
Sol utions 00D4
0051
The yellow reserve fuelwarning lamp flashes whilethe vehicl eis in motion.
In add ition, the00B9 CheckEngine warninglamp maylight up.
The fuel filler cap isnot closed correctly orthe fuel system islea king.
X Che ckthat thefuel filler cap iscorrectly closed.
X Ifthe fuel filler cap isnot correc tlyclosed: close thefuel filler cap.
X Ifthe fuel filler cap isclo sed: visitaqua lified speci alist worksho p. 00AC
0051
The redcoola ntwar ning lamp lights upwhi lethe engine isrunning andthe
coola nttempera turegage isat the start ofthe scale .
The tempera turesensor forthe coola nttempera turegaugeismalfu nctioning.
The coola nttempera tureisno longer being monitored .There isarisk ofengine
dama geifthe coola nttempera tureistoo high .
X Pul lover andstop thevehicl esafel yand switch offthe engine, paying attention
to road andtraffic conditions. Donot continue drivingunder anycircumsta nces.
X Secure thevehicl eaga inst rolling awa y(Y pag e142) .
X Consu ltaqua lified speci alist worksho p. Warning
andindic atorlamps inthe instrum entcluster
227On-boardcomput erand displays Z

Clean
ingwiper blades G
WAR
NING
You couldbec ome trapped bythewind shield
wiper sif th ey start mov ingwhile cleanin gth e
wind shieldor wiper blades .Ther eis aris kof
inj ury.
Always switchoff thewind shieldwiper sand
th eign ition bef ore cleanin gth ewind shieldor
wiper blades .
! On
lyfold thewind shieldwiper saway from
th ewind shieldwhen vertical. Other wise, you
will damag eth ehood .
! Do
notpull thewiper blade. Other wise, the
wiper bladecouldbe damag ed.
! Do
notcle an wiper blades toooft en and do
no trub them toohard .Ot her wise, thegrap h-
ite coa tingcoul dbe damag ed.This could
caus ewiper noise.
! Hol
dth ewiper armsecurely when folding
back .The wind shieldcoul dbe damag edifth e
wiper armsmac ksagain stitsudde nly.
X Fol dth ewind shieldwiper armsaway from the
wind shield.
X Caref ullyclean thewiper blades withadamp
clo th.
X Fol dth ewind shieldwiper armsback again
bef ore swit ching ontheign ition .
Clean ingtheext erior ligh ting !
On
lyuse cleanin gagen tsor cle anin gclo ths
whic hare suitable forplast iclight lenses .
Un suit able cleanin gagen tsor cle anin gclo ths
coul dsc rat ch ordamag eth eplast iclight len-
ses .
X Clean theplast iclen ses oftheex terior light s
wit hawet spon geand amild cleanin gagen t,
e.g .Mer cedes-Ben zcar sham pooorcle anin g
clo ths.
Clean ingthemir ror turn signa ls !
On
lyuse cleanin gagen tsor cle anin gclo ths
th at are suit able forplast iclen ses .Un suit able
cle anin gagen tsor cle anin gclo thscoul d
sc rat ch ordamag eth eplast iclen ses ofthe
mir ror turnsign als. X
Clean theplast iclen ses ofthemir ror turnsig-
nals intheex terior mirror hous ingusin gawet
spon geand mild cleanin gagen t,e.g .
Mer cedes-Ben zcar sham pooorcle anin g
clo ths.
Clean ingthesensor s !
If
you clean thesen sorswit hapower
washe r,mak esure that you keep adist ance
of at least 11.8in(30 cm)be tweenthe vehicle
and thepower washer nozzle. Infor mat ion
about thecor rectdist anceis availabl efrom
th eequipm entman ufacturer. X
Clean sensors0043 ofthedriv ingsyst ems with
wate r,car sham pooandasof tclo th.
Cleani ngtherea rview camera !
Do
notcle an thecam eralensand thearea
aroun dth erear view camerawith apower
washer . Car
e
269Maintenance andcare Z