2019 MERCEDES-BENZ CLA COUPE warning light

Problem
Possible
causes/co nsequences and0050 0050
Solutions A
side window cannotbe
closed because itis
blocked byobject s,e.g.
leaves inthe window
guide. X
Remove theobject s.
X Close theside window. A
side window cannotbe
closed andyoucannot
see thecause. If
aside window isobstruct edduring closing andreopens again
slightly:
X Immediately afterthewindow blocks,pullthecorrespondin gswitch
again untiltheside window hasclosed.
The side window isclosed withincreased force.
If aside window isobstruct edagain during closing andreopens again
slightly:
X Immediately afterthewindow blocks,pullthecorrespondin gswitch
again untiltheside window hasclosed.
The side window isclosed without theautomatic reversingfeature. The
side windows cannot
be opened orclosed
using theconven ience
opening/c losingfea-
ture. The
SmartK eybattery isdischarged ornearly discharged.
X Check theSmartK eybattery (Ypage 73)and replace itifnecessary
(Y page 73). Panoram
aroof with power tilt/sliding
panel Import
antsafety notes
In the following section,theterm "slidingsun-
roof" refers tothe panorama roofwith power
tilt/sliding panel. G
WARNING
While opening andclosing thesliding sunroof,
body parts inclose proximity couldbecome
trapped. Thereisarisk ofinjury.
Make surethatnobody parts areinclose
proximity duringtheopening andclosing pro-
cedures.
If somebody becomestrapped:
R release theswitch immediately, or
R during automatic operation, pushthe
switch brieflyinany direction
The opening orclosing procedure willbestop-
ped. G
WARNING
If children operatethesliding sunroof they
could become trapped, particularly ifthey are
left unsupervised. Thereisarisk ofinjury.
When leaving thevehicle, alwaystake the
SmartK eywith youand lock thevehicle. Never
leave children unsupervised inthe vehicle. G
WARNING
At high speeds theraised sliding sunroof auto-
matically lowersslightly atthe rear. Thiscould
trap youorother persons. Thereisarisk of
injury. Makesurethatnobody reaches into
the sweep ofthe sliding sunroof whilstthe
vehicle isin motion.
If somebody becomestrapped,immediately
pull back thesliding sunroof switch.Theslid-
ing sunroof liftsduring opening.
! Only
open thesliding sunroof ifit is free of
snow andice.Otherwise, malfunctions may
occur. 86
Panoram
aroof with power tilt/sliding panelOpeningandclosing

X
To
switchoff the high-be amheadlamps :
move thecomb inationsw itch back toits nor-
ma lpo sitio n.
The blue 0057 indicator lamp inthe instru-
ment cluster goesou t.
Veh icles with Ada ptive Hig hbe amAssi st:
wh en Ada ptive Hig hbe amAssi stisacti ve,it
contro lsacti vationand deacti vationofthe
hi gh-b eam hea dlam ps(Ypage 103 ).
X To switchon the high-be amflashe r:pu ll
the comb inationsw itch inthe directi onof
arr ow 0087. Hazard
warning lamps X
To
switchon the hazard warning lamps :
pre ssbutton 0043.
All turn signa lsfla sh. Ifyo unow switch ona
turn signa lus ing the comb inationsw itch ,onl y
the turn signa lla mp onthe corr espond ing
si de ofthe vehiclewi llfla sh.
X To
switchoff the hazard warning lamps :
pre ssbutton 0043.
The hazard warning lamps automa tically sw itch
on if:
R an airba gis de ploy ed or
R the vehiclede cel era tes rapidly from aspe ed
of above 45mph (70km/h )and come sto a
sta ndsti ll
The hazard warning lamps switch offautoma ti-
cal lyifthe vehiclerea che sa spe edofabove
6 mph (10km/h )ag ain afte ra ful lbra keappli-
cati on.
The hazard warning lamps stillop era teifthe
ig niti onissw itch edoff. Ada
ptiv eHig hbe amAssist
Gen eral notes Yo
ucan usethi sfunc tionto set the headlam ps
to cha nge betwe enlow be am and high beam
au toma tically. The system recognizes vehicles
wi th thei rlights on,either appro ach ingfrom the
op posite directi onortrav eling infront ofyour
veh icle, and conse quentl ysw itch esthe head-
la mps from high beam tolow be am .Once the
sy stem nolonger detects anyothe rveh icles, it
rea ctiva testhe high-b eam hea dlam ps.
The system 'sop tica lsens orislocate dbe hind
the windsh ield nea rthe overheadcontro lpa nel .
Impo rtant safetynotes G
WAR
NING
Ada ptive Hig hbe amAssi stdo es not reco gnize
roa dus ers :
R wh oha ve no lights ,e.g .pe destri ans
R wh oha ve poor lighti ng,e.g.cycl ists
R wh ose lighti ngisblocke d,e.g .by aba rrier
On very rareocca sions, Adaptive Hig hbe am
Assi stma yfai lto reco gnizeothe rroa dus ers
tha tha ve lights ,or ma yreco gnizethem too
la te. Inthi s,or insimil arsitua tions, the auto-
ma tichigh-b eam hea dlam pswillnot bedeac-
tiva ted orwillbe acti vate dreg ard less. The reis
a ris kof an acci dent.
Alw ayscar efully ob ser vethe trafficcond itions
and switch offthe high-b eam hea dlam psin
goo dtime .
Ada ptive Hig hbe amAssi stcanno ttake into
acco untroad,we ath eror traf ficcond itions.
Ada ptive Hig hbe amAssi stisonl yan aid. Yo uare
res ponsi ble for adjus ting thevehicle's lighti ng
to the prevailing light, visibility and trafficcon-
di tio ns.
In particu lar, the detecti onofobsta clescan be
res tricte difther eis:
R po or vis ibility ,e.g .du eto fog ,hea vyrainor
snow
R dirt on the sens orsorthe sens orsare
ob scu red Ex
teri orlighti ng
103Lights andwind shield wipers Z

i
If
you activate theresidu alheat function at
high temperature s,only theventilation willbe
activated. Theblow erruns atmediu mspeed .
i You
cannot usetheventilation tocool the
vehicle interior toatemperature lowerthan
the outsid etemperature .
Ac tivating/de activating X
Turn theSmartKey topositio n005A inthe igni-
tion lock orremove it(Y page 123).
X Press the004B button.
The indicator lampinthe 004B button lights
up orgoes out.
The indicator lampinthe button indicates that
the respective functionisactivated.
i Resi dualheat isdeactiva tedautoma tically:
R after appro ximately 30minutes
R when theignition isswitched on
R ifthe battery voltage drops Air
vents Important
safetynotes G
WARNING
Very hotorvery cold aircan flow from theair
vents. Thiscould resultin burns orfrostbite in
the immedi atevicinity ofthe airvents. There
is arisk ofinjury.
Make surethatallvehicle occupants always
maintain asufficie ntdistance tothe airout-
lets. Ifnecessary ,redirect theairflowto
another areaofthe vehicle interior.
In order toensure thedirect flowoffresh air
through theairvents intothevehicle interior,
plea seobserve thefollow ingnotes:
R keep theairinlet between thewindshi eldand
the hood freeofblockage s,such asice, snow
or lea ves.
R never covertheairvents orair intake grillesin
the vehicle interior.
i For
optimal climatecontrolinthe vehicle ,
open theairvents completely andsetthe
adjusters tothe central position. Setting
theairvents 0043
Side window defroster vent
0044 Side airvent
X To open aside airvent: turntheadjuster in
side airvent 0044tothe left.
X To clo seaside airvent: turntheadjuster in
side airvent 0044clockwise asfar asitwil lgo.
i The
center andrear airvents areadjusted in
the same way. Ai
rvents
121Climate control Z

Problem
Possible
causes/co nsequences and0050 0050
Solutions The
engine doesnot
start. Youcannot hear
the starter motor. The
on-board voltageistoo low because thebattery istoo weak or
discharged.
X Jump-start thevehicle (Ypage 282).
If the engine doesnotstart despite attemptsto jump-st artit:
X Consult aquali fiedspecialist workshop. The
starter motorwasexposed toathermal loadthatwastoohigh.
X Allow thestarter motortocool down forapproximately twominutes.
X Try tostart theengine again.
If the engine stilldoes notstart:
X Consult aquali fiedspecialist workshop. The
engine isnot running
smoothly andismisfir-
ing. There
isamalfunction inthe engine electron icsorinamechanical
componen tof the engine management system.
X Only depress theaccelerator pedalslightly.
Otherwise, non-combusted fuelmay getinto thecatalytic converter
and damage it.
X Have thecause rectified immediately ataqual ified specialist work-
shop. The
coolant temperature
gauge shows avalue
above 248‡(120 †).
The coolant warning
lamp mayalsobeon and
a warning tonemay
sound. The
coolant levelistoo low. Thecoolant istoo hotand theengine isno
longer beingcooled sufficiently.
X Stop assoon aspossible andallow theengine andthecoolant to
cool down.
X Check thecoolant level(Ypage 263). Observe thewarning notes
as you dosoand add coolant ifnecessary. Notes
ontowing vehicles
The vehicle isnot suitable forattaching towbar
systems, suchasthose usedforflat towing or
dinghy towing.
Att aching orusing towbarsystems mayresult in
damage tothe vehicle.
When towing avehicle withtowbarsystems,
safe driving characterist icscannot beguaran-
teed forthe towing vehicle orthe towed vehicle.
The vehicle/trailer combinationmayswerve.
Observe thepermissible towingmethods
(Y page 287)andthenotes ontowing withboth
axles onthe ground (Ypage 286). DYNAMIC
SELECTbutt on(all vehicle s
except Mercedes-AMG vehicles)
Use theDYNAMIC SELECTbutton tochange the
drive program. Depending onthe drive program
selected thefollowing vehiclecharacterist ics
will change:
R the drive (engine andtransmission manage-
ment)
R the suspension (vehicleswithdamping sys-
tem orAMG adaptive sportsuspension sys-
tem)
R the sound ofthe exhaust system(vehicles
with sports exhaust system)
R the steering
R the availa bilityofthe ECO start/ stopfunct ion
R the climate control
Each timeyoustart theengine withtheSmart-
Key orthe Start /Stopbutton, driveprogram Cis DY
NAMIC SELECTbutt on(all vehicl esexce ptMercedes-AMG vehicles)
129Driving andparking Z

Opening
thefuel filler flap 0043
Toopen thefuel filler flap
0044 Tire pressure table
0087 Toinsert thefuel filler cap
0085 Instruct ionlabel forfuel type tobe refueled
X Switc hoff the engine .
X Remove theSmart Keyfrom theignition lock.
or, invehicles withKEYLE SS-GO start -function
or KEYLE SS‑GO
X Open thedriver's door.
The vehicle electronics arenow inposition
005A. This isthe same asthe Smart Keyhaving
been removed.
X Press thefuel filler flapinthe direct ionof
arrow 0043.
The fuel filler flapswings up.
X Turn thefuel filler capcount er-clockwise and
remove it. X
Inser tthe fuel filler capinto theholder onthe
inside offuel filler flap0087.
X Completely insertthefiller neck ofthe fuel
pump nozzleinto thetank ,hook inplace and
refuel.
X Only fillthe tank untilthepump nozzle
switches off.
i Do
not add anymore fuelafter thepump
stops fillingforthe first time. Otherwise, fuel
may leakout.
Closing thefuel filler flap X
Replace thecap onthe filler neck andturn
clock wiseuntilitengages audibly.
X Close thefuel filler flap.
Close thefuel filler flapbefore lockingthe vehi-
cle.
If you aredriving withthefuel filler capopen, the
00B6 reserv efuel warning lampflashes. Ames-
sage appears inthe multifunc tiondisplay
(Y page 208).
In addition, the00B9 Check Engine warning
lamp maylight up(Ypage 226).
For furth erinfor mation onwarning andindicat or
lamps inthe instrument cluster,see
(Y page 226). Refueling
141Drivingandparking Z

Dri
vesens ibly–sa ve fuel Obs
erveth efo llow ing tips tosav efue l:
R The tires shouldalways beinfla tedto therec -
om men dedtire pre ssu re.
R Rem oveunn ecess ary load s.
R Rem overo of rac kswhen they are notne ede d.
R War mup theen gin eat low engin espe eds .
R Av oid freque ntacc eler ation orbra king .
R Hav eall main tenan cewor kcar riedout as
in dic ated bytheser vicein te rvals intheMain -
te nan ceBooklet orby theser vicein te rval dis -
play.
Fue lco nsump tion also incr ease swhen drivin gin
co ldweat her,in stop- start traff icand inhill yte r-
rain .
Dri nki nganddr ivin g G
WAR
NING
Dr inking and drivin gand /orta king dru gsand
dri vin gare verydan gerous combi nations.
Ev en asm allamo untofalc oho lor dru gscan
aff ectyour reflex es, perception sand judg-
men t.
The possibilityof aser ious oreve nfat alacc i-
den tis great lyincr ease dwhen youdrink or
ta ke dru gsand drive.
Do notdri nk ortake dru gsand drive orallow
any oneto dri ve who hasbeendri nkingor tak-
in g dru gs.
Em issi oncont rol G
DAN
GER
Com bustionengin esemi tpois onous exhaus t
gas essuc has car bon monoxide. Inhali ng
th ese exhaus tgas esishaz ardous toheal th
and canresult inpois oning. The reisaris kof
fat alinju ry. The refore, ne ver leav eth een gin e
run ning inan enclose dspac ewit hout ade-
quat even tilat ion .
Cer tain en gin esys tems are designed tokeep
th elev elof pois onous compo nentsin exhaus t
fum eswit hin lega llim its.
The sesys tems onlywor kat peak effic ien cyif
th ey are serviced exact lyin acc ordan cewit hth e
man ufacturer 'sspe cific ation s.Always have wor
kon theen gin ecar riedout ataqualif ied
spe cialis twor kshop .Mer cedes -Ben zrec om-
men dsthat you useanaut hor ized Mer cedes -
Be nz Cen terfo rth is pur pos e.In par ticul ar, wor k
rel eva ntto saf etyor on safety-r elat edsyst ems
mus tbe car riedout ataqualif iedspecialis t
wor kshop .
The engin eset ting smus tno tbe chang edund er
any circ ums tanc es. Furtherm ore, all spe cific
ser vicewor kmus tbe car riedout atreg ular
in te rvals and inacc ordan cewit hth eMer cedes -
Be nz ser vicereq uire men ts.De tails can befound
in theMain tenan ceBooklet . ECO
disp lay
The ECOdis play showsyou how econ om ical
your drivin gst yle is.The ECOdis play assistsyou
in ach ieving th emo stecon om ical dri vin gst yle
fo rth esel ectedset ting sand prevail ing co nd i-
ti on s.Your drivin gst yle can signific ant lyinflu-
en ce theveh icle' sco nsump tion . 0043
Acceler ation
0044 Coas ting
0087 Con stant
0085 Addition alran geach ieved
Ran ge0085 issho wnund erBon us Bon
usfr. fr.
Start Sta
rtand
rep resents theaddit ionalran geach ieved since
th ebeg inning ofthejo urn eyasares ult ofan
adapt eddrivin gst yle.
If th efue llev elhas dropped into theres erve
ran ge, theFue lLow Fue
lLow messageis sho wninthe
mult ifunction display inst ead ofran ge0085. The
00B6 warning lamp intheinst rum entcl ust er
also lightsup (Ypage 226). 146
Dri
ving tipsDri ving andpa rki ng

helps
youtoavoid overheating thebrakes and
wearing themoutexcessively.
When youtake advantage ofengine braking, it
is possible thatadrive wheel willnotrotate for
some time,e.g.onaslippery roadsurface.
This could cause damage tothe drive train.
This type ofdamage isnot covered bythe
Mercedes-Ben zwarranty.
Briefly depressing theaccelerator pedalon
downhill gradients whilethemanual drivepro-
gram Mistemporarily activated:theautomatic
transmission mayswitch tothe last active auto-
matic driveprogram Eor S.The automatic trans-
mission mayshift toahigher gear.Thiscan
reduce theengine's brakingeffect.
Heavy andlight loads G
WARNING
If you rest your footonthe brake pedalwhile
driving, thebraking systemcanoverheat. This
increases thestopping distanceandcaneven
cause thebraking systemtofail. There isa
risk ofan accident.
Never usethebrake pedalasafootrest .Never
depress thebrake pedalandtheaccelerator
pedal atthe same time.
! Depressing
thebrake pedalconstantly
results inexcessive andpremature wearto
the brake pads.
If the brakes havebeen subjected toaheavy
load, donot stop thevehicle immediately. Drive
on for ashort while. Thisallow sthe airflow to
cool thebrakes morequickly.
Wet roads If
you have driven foralong time inheavy rain
without braking, theremaybeadelay edreac-
tion from thebrakes whenbraking forthe first
time. Thismay alsooccur afterthevehicle has
been washed ordriven through deepwater.
You have todepress thebrake pedalmore
firmly. Maintain agreater distance fromthe
vehicle infront .
Aft erdriving onawet road orhaving thevehicle
washed, brakefirmlywhilepayingattent ionto
the traffic conditions .This willwarm upthe
brake discs, thereby dryingthemmore quickly
and protect ingthem against corrosion. Limited
braking performanceonsalt-
treat edroads If
you drive onsalted roads, alaye rof salt resi-
due may form onthe brake discsandbrake
pads. Thiscanresult inasignificantly longer
braking distance.
R Inorder toprevent anysalt build -up,apply the
brakes occasionally whilepayingattent ionto
the traffic conditions .
R Carefull ydepress thebrake pedalandthe
beginning andend ofajourney.
R Maintain agreater distance tothe vehicle
ahead.
Servicing thebrakes !
The
brake fluidlevel maybetoo low, if:
R ifthe red brake warning lamplights upin
the instrumen tcluster and
R you hear awarning tonewhile theengine is
running
Observe additional warningmessages inthe
multifunction display.
The brake fluidlevel maybetoo low due to
brake padwear orleaking brakelines.
Have thebrake system checkedimmediately.
Consult aqual ified specialist workshop to
arrange this.
! A
funct ionorperformance testshould only
be carried outona2-axle dynamometer. If
you wish tooperate thevehicle onsuch a
dynamometer, pleaseconsult aqual ified spe-
cialist workshop inadvance. Youcould oth-
erwise damage thedrive trainorthe brake
system.
! As
the ESP ®
system operates automatically ,
the engine andtheignition mustbeswitched
off (the SmartKey mustbeinposition 0092or
0047 inthe ignition lock),ifthe electric parking
brake istested onabraking dynamometer
(maximum 10seconds).
Braking triggered automatically byESP ®
may
cause severe damage tothe brake system.
All check sand maintenanc ework onthe brake
system mustbecarried outataqual ified spe-
cialist workshop.
Have brake padsinstalled andbrake fluid
replaced ataqual ified specialist workshop. 148
Driving
tipsDriving andparking

Setting
aspeed Keep
inmind thatitmay take abrief moment
until thevehicle hasaccelerated orbraked to
the speed set.
X To
adj ust the setspeed in5mph incre-
ments (10km/h increment s):briefly press
the cruise control lever up0043 past thepres-
sure point forahigher speed, ordown 0044for
a lower speed.
X To
adj ust the setspeed in1mp hincre-
ments (1km/h increment s):briefly press
the cruise control lever up0043 tothe pressure
point forahigher speed, ordown 0044for a
lower speed.
i Cruise
control isnot deactiv atedifyou
depress theaccelerat orpedal. Forexample, if
you accelerat ebriefly toovert ake,cruise con-
trol adjusts thevehicle's speedtothe last
speed storedafter youhave finished overtak-
ing.
Deactivat ingcruise control There
areseveral waystodeactiv atecruise con-
trol:
X Briefly pressthecruise control lever forwards
0087.
or X Brak e.
Cruise control isautomatic allydeactiv atedif:
R the vehicle issecured withtheelectr icpark-
ing brake
R you aredriving atless than 20mph (30km/ h)
R ESP ®
inte rvenes oryoude acti vate ESP ®
R youshi ftthe transmi ssion topositio n005C
wh ile dri vin g
If cru ise contro lis de acti vated ,yo uwi llhe ar a
wa rning tone .Yo uwi llsee theCruise Con‐ Cru
ise Con‐
tro lOff tro
lOff message inthe multifu nctio ndisp lay
for appro xim atelyfiv esec ond s.
i Wh
enyousw itch offthe engine,the last
sp ee dstor ediscle ared . Ac
tiv eDi stan ceAssist DISTRO NIC
Ge neral notes Activ
eDis tance AssistDISTR ONICreg ulate sthe
sp ee dand automa tically he lpsyo uma inta inthe
di sta nce fromthe vehiclede tecte din fro nt.
Veh icles arede tecte dwi th the aid of the rada r
sen sor system .Activ eDis tance Assist
DISTR ONICbra kes automa tically to avoid
exce eding the setspee dor toma inta inthe des-
ig nate ddista nce fromthe vehiclein fro nt.
If Activ eDis tance AssistDISTR ONICde tects
tha tthe reisaris kof acol lisi on with the vehicle
in fro nt, youwi llbe warned visually and audibly.
Activ eDis tance AssistDISTR ONICcanno tpre -
vent acol lisi on withou tyo ur inte rventio n.An
inte rmittent warning tone willthe nsou ndand
the dista nce warning lamp willlight upinthe
ins trument cluster .Bra keimm ediatel yin ord er
to incr ease the dista nce tothe vehiclein fro ntor
take evasive acti onpro vided itis sa fe to do so.
Activ eDis tance AssistDISTR ONICop era tes in
the spee dra nge betwe en0mph (0km/h )and
120 mph (200km/h ).
Ch ang einto alowe rge ar ingo od time onlong
and steepdo wnh ill gra dients .Thi sis esp ecially
imp orta ntifthe vehicleis lade n.By doing so,you
wi llma keuseof the braking effect ofthe eng ine.
Thi srel ieves theload on the brakesystem and
pre vents thebrakes fromove rheating and wear-
ing too quickl y.
Do not useActiv eDis tance AssistDISTR ONIC
on roa dswith stee pgra dients .
For Activ eDis tance AssistDISTR ONICto assist
yo uwh en drivin g,the rada rsen sor system must
be opera tional .
As Activ eDis tance AssistDISTR ONICtra nsmi ts
ra da rwa ves ,it can resemb lethe rada rde tecto rs
of the responsi ble au thor ities. Youcan referto
the releva ntcha pterin the Opera tor' sMa nua lif
qu esti ons areas ked abou tthi s.
i USA
only:Thi sde vic eha sbe en appro ved by
the FCC asa"V eh icu larRa darSys tem" .The
ra da rsen sor isinte ndedfor usein an auto-
moti verada rsy stem only.Re mov al,tam per-
ing ,or alteri ngofthe devic ewi llvoi dany war-
ra ntie s,and isnot permi tted bythe FCC .Do
not tamperwi th, alter, orusein any non-
ap pro ved way.
Any unauthorized mod ificati ontothisde vic e
cou ldvoi dthe user' sau thor itytoopera tethe
eq uipme nt. 15
2 Dr
ivi ng system sDrivi ng andparki ng