key MERCEDES-BENZ CLA COUPE 2019 Owner's Guide

Problems
withtheSmar tKey Problem
Possible
causes/co nsequences and0050 0050
Solutions You
cannot lockor
unlock thevehicle using
the SmartK ey. The
SmartK eybattery isdischarged ornearly discharged.
X Vehicles
withoutKEYLESS-GO orKEY LESS-GO startfunction:
try tolock/un lockthevehicle againusingtheSmartK ey'sremote
cont rolfunct ion.Point thetipofthe SmartK eyatthe driver's door
handle fromclose range andpress the0036 or0037 button.
If this does notwork:
X Check theSmartK eybattery (Ypage 73)and replace itifnecessary
(Y page 73).
X Unlock (Ypage 77)orlock (Ypage 77)thevehicle usingthe
mechanical key. There
isinterf erence fromapowerful sourceofradio waves.
X Vehicles
withoutKEYLESS-GO orKEY LESS-GO startfunction:
try tolock/un lockthevehicle againusingtheSmartK ey'sremote
cont rolfunct ion.Point thetipofthe SmartK eyatthe driver's door
handle fromclose range andpress the0036 or0037 button.
If this does notwork:
X Unlock (Ypage 77)orlock (Ypage 77)thevehicle usingthe
mechanical key. The
SmartK eyisfaulty.
X Unlock (Ypage 77)orlock (Ypage 77)thevehicle usingthe
mechanical key.
X Have theSmartK eycheck edataquali fiedspecialist workshop. You
cannolonger lockor
unlock thevehicle using
KEYLE SS-GO. The
SmartK eybattery isdischarged ornearly discharged.
X Check theSmartK eybattery (Ypage 73)and replace itifnecessary
(Y page 73).
If this does notwork:
X Unlock (Ypage 77)orlock (Ypage 77)thevehicle usingthe
mechanical key. There
isinterf erence fromapowerful sourceofradio waves.
X Unlock (Ypage 77)orlock (Ypage 77)thevehicle usingthe
mechanical key. 74
Smar
tKeyOpening andclosing

Problem
Possible
causes/co nsequences and0050 0050
Solutions KEYLE
SS-GO ismalfunctionin g.
X Lock/ unlock thevehicle usingtheremote controlfunct ionofthe
SmartK ey.
X Have thevehicle andSmartK eycheck edataqual ified specialist
workshop.
If the vehicle canalso notbelocked/unlock edusing theremote con-
trol funct ion:
X Unlock (Ypage 77)orlock (Ypage 77)thevehicle usingthe
mechanical key.
X Have thevehicle andSmartK eycheck edataqual ified specialist
workshop. The
engine cannot be
started usingtheSmart-
Key. The
on-board voltageistoo low
X Switch offnon- essential consumers, e.g.seat heating orinterior
lighting, andtrytostart theengine again.
If this does notwork:
X Check thestarter battery andcharge itifnecessary (Ypage 281).
or
X Jump-start thevehicle (Ypage 282).
or
X Consult aquali fiedspecialist workshop. The
engine cannot be
started usingtheStart /
Stop button. TheSmart-
Key isin the vehicle. The
vehicle islocked.
X Unlock thevehicle andtrytostart thevehicle again. The
SmartK eybattery isdischarged ornearly discharged.
X Check theSmartK eybattery (Ypage 73)and replace itifnecessary
(Y page 73).
If this does notwork:
X Start yourvehicle withtheSmartK eyinthe ignition lock. There
isinterf erence fromapowerful sourceofradio waves.
X Start yourvehicle withtheSmartK eyinthe ignition lock. You
have lostaSmart-
Key. X
Have theSmartK eydeactivated ataqual ified specialist workshop.
X Report theloss immediately tothe vehicle insurers.
X Ifnecessary, havethelocks changed aswell. You
have lostthe
mechanical key. X
Report theloss immediately tothe vehicle insurers.
X Ifnecessary, havethelocks changed aswell. Smar
tKey
75Opening andclosing Z

Door
s Im
por tant safet ynot es G
WAR
NING
If ch ildr enare leftuns uper vised intheveh icle,
th ey could:
R ope rateth eveh icle' sequip ment
Ad dition ally, childr encould set theveh icle in
mo tion if,forex amp le,they:
R rel ease thepar king bra ke
R shi ftth eaut omatic trans mis sionout ofpar k
pos ition 005D
R start theen gin e
The reisaris kof an acc iden tand inju ry.
Nev erleav ech ildr enorani mals unatten ded in
th eveh icle.
Whe nleav ing th eveh icle, always take the
Sm artKey withyou and lockth eveh icle. This
also appli esforth eDi git alVeh icle Key ifth e
"D igit alVeh icle Key" function isact ivat edvia
Mer cedes meconn ect.
You should preferab lyplac elugg ageorload sin
th ecar gocompa rtmen t.Obs erveth eload ing
guid elines(Y page 239). Unlo
ckingan dope ning doorsfrom
th einsi de
! The
sidewin dows willnotope n/close ifth e
bat tery isdis charg edorifth esid ewin dows
hav eiced up. Itwill then notbe pos sibleto
cl ose thedoo r.Do notat te mpt toforc eth e
doo rcl ose d.You could other wise damagethe
doo ror thesid ewin dow.
Whe nadoo ris ope ned,thesid ewin dow onthat
sid eope nsslig htly. Whe nth edoo ris close d,the
sid ewin dow close sagain . X
To unlock andope nafront door:pull door
han dle0044.
If th edoo ris loc ked,loc king knob 0043 pop sup.
The dooris unl ockedand opens.
X To unlock are ar doo r:pull uplocking
kn ob 0043.
The dooris unl ockedand canbeope ned.
X To ope nare ar doo r:pull doorhan dle0044.
You canopenadoo rfr om insid eth eveh icle
eve nif it has beenloc ked.You canonlyope nth e
rea rdoo rsfrom insid eth eveh icle ifth ey are not
sec uredby thech ild- pro ofloc ks(Y page 60).
If th eveh icle has previously beenloc kedwit h
th eSm artKey from theout side,ope ning adoo r
fr om theinsid ewill trigg ertheant i-th eftalar m
sys tem. Swi tchof fth ealar m(Y page 68). Cent
rally lock ingandun lock ingthe
veh icle from theinsi de
You cancentrall yloc kor unl ockth eveh icle from
th ein sid e.Thi scan beusef ulifyou wish toloc k
th eveh icle bef orepulli ngaway, forex amp le. X
To unlock :pre ssbut ton0043.
X To lock :pre ssbut ton0044.
If all thedoo rsand thetrunk lidare close d,the
veh icle loc ks. 76
Door
sOpening andclosing

Meanwhile,
thefuel filler flapwillnotbelocked
or unlocked.
You cannot unlockthevehicle centrally from the
inside ifthe vehicle hasbeen locked withthe
SmartK eyorKEYLES S-GO.
You canopen adoor from inside thevehicle
even ifit has been locked. Youcanopen therear
doors frominside thevehicle unlesstheyare
secured bythe child-proof lock(Ypage 60).
If the vehicle haspreviously beenlocked with
the SmartK eyfrom theoutside, opening adoor
from theinside willtrigger theanti-t heftalarm
system. Switchoffthe alarm (Ypage 68).
If alocked doorisopened fromtheinside, the
previous unlockstatusofthe vehicle willbe
taken intoconsideration if:
R the vehicle waslocked usingthelocking but-
ton forthe cent rallocking, or
R ifthe vehicle waslocked automatically
The vehicle willbefully unlocked ifit had previ-
ously beenfullyunlocked. Ifonly thedriver's
door hadbeen previously unlocked,onlythe
door which hasbeen opened fromtheinside is
unlocked. Automat
iclockin gfeatur e X
To deactivate: pressandhold button 0043for
approximately fiveseconds untilatone
sounds.
X To activate: pressandhold button 0044for
approximately fiveseconds untilatone
sounds.
If you press oneofthe two buttons anddonot
hear atone, therelevant settinghas already
been selected.
The vehicle islocked automatically whenthe
ignition isswitched onand thewheels areturn-
ing. You
could therefore lockyourself outif:
R the vehicle isbeing pushed
R the vehicle isbeing towed
R the vehicle ison aroller dynamometer
You canalso switch theautomatic lockingfunc-
tion onand offusing theon-board computer
(Y page 189). Unloc
kingthedriver's door(mechan-
ical key)
If the vehicle cannolonger belocked or
unlocked withtheSmartK eyorKEYLES S-GO,
use themechanical key.
If you usethemechanical keytounlock and
open thedriver's door,theanti-t heftalarm sys-
tem willbetriggered. Switchoffthe alarm
(Y page 68).
X Take themechanical keyoutofthe SmartK ey
(Y page 72).
X Insert themechanical keyinto thelock ofthe
driver's doorasfar asitwill go. X
Turn themechanical keycounter- clockwise
as far asitwill gotoposition 0047.
The door isunlocked.
X Turn themechanical keyback andremove it.
X Insert mechanical keyinto theSmartK ey
(Y page 72). Locki
ngthe vehicle (mechanical key)
If the vehicle cannolonger belocked withthe
SmartK eyorKEYLES S-GO,usethemechanical
key.
X Open thedriver's door.
X Close thefront -passenger door,therear
doors andthetrunk lid. Doo
rs
77Opening andclosing Z

X
Press thelockin gbutton onthe driver’s door
(Y page 76).
X Check whether thelockin gkno bson the
fron t-passenger doorandtherear doors are
still visible. Pressdownthelockin gkno bsby
hand, ifnecess ary.
X Close thedriver's door.
X Take themechanic alkey outofthe Smart Key
(Y page 72).
X Insert themechanic alkey into thelock ofthe
driver's doorasfar asitwill go. X
Turn themechanic alkey clock wiseasfar asit
will gotoposition 0047.
X Turn themechanic alkey back andremove it.
X Make surethatthedoors andthetrunk lidare
locked.
X Insert mechanic alkey into theSmart Key
(Y page 72).
i If
you lock thevehicle asdescribed above,
the fuel filler flapisnot locked. Theanti- theft
alarm system isnot armed. Tr
unk Impor
tantsafety notes G
WARNIN
G
Combustion enginesemitpoisonous exhaust
gases suchascarbon monoxide.Exhaust
gases canenter thevehicle interiorifthe
trunk lidisopen when theengine isrunnin g,
especially ifthe vehicle isin motion .There isa
risk ofpoisoning.
Always switchoffthe engine beforeopening
the trunk lid.Never drivewiththetrunk lid
open. G
WARNIN
G
If object s,luggage orloads arenot secured or
not secured sufficient ly,they could slip,tip
over orbe flung around andthereby hitvehicle
occupant s.There isarisk ofinjury, particu-
larly inthe event ofsudden braking orasud-
den change indirection .
Always storeobject sso that they cannotbe
flung around. Secureobjects,luggage or
loads against slipping ortipping beforethe
journey.
! The
trunk lidswings upwards whenopened.
Therefore, makesurethatthere issufficient
clearance abovethetrunk lid.
The opening dimensions ofthe trunk lidcan be
found inthe "Vehicle data"section
(Y page 325).
You should preferably placeluggage orloads in
the trunk .Observe theloading guidelines
(Y page 239).
Do not leave theSmart Keyinthe trunk .You
could otherwise lockyourself out.
The trunk lidcan be:
R opened andclosed manually fromoutside
R opened automatically fromoutside
R opened automatically frominside
R opened fromtheinside usingtheemergenc y
release Tailgat
eobstru ctiondetection with
reversing feature
On vehicles withanEASY-PA CKtailgate, the
tailgate isequipped withautomatic obstacle
recogn itionwithareversin gfeature. Ifasolid
object blocks orrestr ictsthetailgate whenauto-
matically openingorclosing, thisprocedure is
stopped. Ifthe tailgate isstopped duringthe
closing process, thetailgate automatically
opens againslightly. Theautomatic obstruction
detect ionwith reversin gfeature isonly anaid. It
is not asubstitut efor your atten tivenesswhen
opening andclosing thetailgate. 78
Tr
unkOpening andclosing

G
WARNING
The reversi ngfeatu redoes notrespo nd:
R to soft, light and thin objects, e.g.fingers
R over thelast1/3 in(8 mm) ofthe closi ng
movement
The reversi ngfeatu recannot prevent some-
one from becomi ngtrappe din these situa-
tions inparticu lar.There isarisk ofinjury .
Make surethatnobody parts areinclose
proximi tyduri ngthe closi ngproced ure.
If someb odybecome strappe d:
R press the0054 button onthe SmartKey ,or
R pul lor press theremote operatingswitch
on the drive r'sdoor or
R press theclosi ngbutton/STOP buttonin
the tailgate or
R pul lthe handl eon the tailgate
Vehic leswith HANDS -FREEACCES S:itis als o
possi bletostop theclosi ngprocess byperform-
ing akicking movement undertherear bump er. Openi
ng/closing from outside
Openi ng X
Press the0036 button onthe SmartKey .
X Pul lhandl e0043.
X Lift the trunk lid. Clo
sing X
Pul ldow nthe trunk lidusing handl e0043.
X Let the trunk liddrop intothelock.
X Ifnecessa ry,lock thevehicl ewith the0037
button onthe SmartKey orwith KEYLESS-GO. Openi
ngautomaticall yfrom outside
Important safetynotes G
WARNING
Comb ustionengines emitpoisonous exhaust
gase ssuch ascarbon monoxide .Exhaust
gase scan enter thevehicl einterior ifthe
trunk lidisopen when theengine isrunning,
espe ciallyifthe vehicl eis in motion. Thereisa
risk ofpois oning.
Alwa ysswi tch offthe engine beforeopening
the trunk lid.Never drivewiththetrunk lid
open.
! The
trunk lidswi ngs upw ards when opened .
There fore,make surethatthere issuffi cient
clea rance abovethe trunk lid.
i The
openi ngdime nsions ofthe trunk lidcan
be found under "Vehicledata "(Y pag e325) .
Openi ngautomaticall y You
canopen thetrunk lidautomatical lyusi ng
the SmartKey orthe handl ein the trunk lid.
X Press andhold the0054 button onthe Smart-
Key until thetrunk lidopens.
or X Ifthe trunk lidisunlocked ,pul lthe trunk lid
handl eand letitgo aga inimmed iately. Trunk
79Openingand closi ng Z

HANDS
-FREEACCESS
Important safetynotes G
WARNING
The vehicl eexhau stsystem canbecome very
hot. Ifyou useHANDS-F REEACCESS, you
coul dburn yourself bytouching theexhau st
system. Thereisarisk ofinjury .Alwa ys
ensure thatyoumake thekicking movement
only withi nthe detection rangeofthe sensors.
! If
the SmartKey iswithi nthe rear detection
range ofKEYLESS-GO, thefollowi ngsitua -
tions, forexampl e,coul dlea dto the uninten-
tional openingofthe trunk lid:
R when using anautomatic carwas h
R when using apow erwas her
Make surethattheSmartKey isat lea st10 ft
(3 m) awa yfrom thevehicl e.
i You
canalsodea ctivate KEYLESS-GO. Fur-
ther informati onondea ctivating andactiva t-
ing KEYLESS-GO (Ypag e71) .
Gene ralnote s With
KEYLESS-GO andHANDS-F REEACCESS,
you can open thetrunk lidwitho utusi ng you r
hands. Thisisuse fulifyou have yourhands full.
To do this, make akicking movement underthe
bump erwith yourfoot.
Observe thefollowi ngpoints:
R Ca rry you rKEYLESS-GO keyaboutyou rper-
son. TheSmartKey mustbeatthe rear ofthe
vehicl ein the detection rangeofKEYLESS-
GO.
R When making thekicking movement, make
sure thatyouarestanding firmlyonthe
grou ndand that there issuffi cient clearance
to the rear ofthe vehicl e.You couldotherwi se
lose yourbal ance, forexampl eon ice. R
Alwa ysensure thatyouonly make thekicking
movement withinthe detection rangeofsen-
sors 0043.
R Stand atlea st12 in(30 cm) awayfrom the
rear area whiledoing so.
R Do not come intocontact withthebump er
whi lemaking thekicking movement. Other-
wis e,the sensors maynotfunction correctly .
R HANDS-F REEACCESS doesnotfunction dur-
ing engine start.
R Dirt caus edbyroad saltor snow aroundsen-
sors 0043may restrict functional ity.
Using theHANDS-F REEACCESS withapros-
thetic legmay restrict functional ity.
R IfaKEYLESS-GO keyisat the rear ofthe vehi-
cle inthe detection rangeofKEYLESS-GO,
HANDS-F REEACCESS couldbe triggere d.
The trunk lidcoul dthus beopened uninten-
tional ly,for exampl e,when you:
- set somethi ngdow nor lift somethi ngup
behi ndthe vehicl e.
- poli shthe rear ofthe vehicl e.
Do not carry theKEYLESS-GO keyaboutyou r
perso nin these situations orinsitua tions sim-
ila rto these. Thiswillprevent theuninten-
tional openingofthe trunk lid. 80
TrunkOpen
ingand closi ng

Opera
tion X
To open: kickyour footintosensor detection
zon e0043 below thebumper.
X If
the trunk liddoes notopen afterseveral
att empt s:wait atleast tensecon dsthen
move yourlegunder thebumper onceagain.
If you hold your footunder thebumper fortoo
long, thetrun klid does notopen. Repeat theleg
movemen tmore quickly ifthis occurs . Opening
automat ically frominside
Impor tantsafet ynotes G
WARN
ING
Combustion enginesemit poisonous exhaust
gases suchascarbon monoxide.Exhaust
gases canenterthe vehicle interiorifthe
trun klid isopen when theengine isrunn ing,
especially ifthe vehicle isin motion .There isa
risk ofpoisonin g.
Always switchoffthe engine beforeopening
the trun klid. Never drivewiththetrun klid
open.
! The
trunklid swings upwards whenopened.
Therefor e,make surethatthere issufficien t
clearanc eabove thetrun klid.
The opening dimension sof the trun klid can be
found under "Vehicle data"(Ypage 325).
Opening You
canopen thetrun klid from thedriver's seat
when thevehicle isstat ionary andunlock ed. X
To open: pullremot eoperatin gswitch 0043for
the trun klid until thetrun klid opens. Limiting
theopening angleofthe tail-
gate
General notes !
Make
surethere issufficien tclearanc eto
open thetailgate fullywhen settingthe open-
ing angle. Thetailgate couldotherwisebe
damaged. Ideally,setthe opening angleout-
side.
You canlimit theopening angleofthe tailgate.
This could beuseful, forexample, ifthere is
insuffic ientspace above thetailgate. Itis pos-
sible tolimit thetailgate inthe top half ofits
opening range.
To open thetailgate fully,pullthehandle onthe
outside ofthe tailgate againafterithas stopped
automatic ally.This does notdelete thestor ed
position .
Activating X
To open thetailgat e:pull thehandle onthe
tailgate.
X To
stop theopening procedure atthe
desired position:
R press theclosing buttoninthe tailgate, or
R pull thehandle onthe outside ofthe tailgate
again, or
R press thetailgate buttononthe Smart Key
X To store theposition: pressandhold the
closing buttononthe tailgate untilyouhear a
short tone.
The opening anglelimiter isactivat ed.The
tailgate willnow stop inthe stor edposition
when opening . Tr
unk
81Opening andclosi ng Z

Deact
ivating X
Press and holdth eclosi ng but tonon theta il-
gat eunt iltw osho rttone ssoun d. Em
ergency relea sefor thetrun k
Gen eral not es !
The
trunk lidswin gsupwar dswhen opened.
The refore, mak esur eth at there issuf ficien t
cl ear anc eabov eth etrunk lid.
The opening dim ensio ns ofthetrunk lidcan be
fo und inthe"Veh icle dat a"sec tion
(Y page 325).
If th etrunk lidcan nolonger beunlocked:
R usin gth eSm artKey, or
R usin gth erem oteope ratingswit chinthedoo r
co ntro lpan el:
Use theeme rgen cy release insid eth etrunk lid.
You canreachtheeme rgen cy release viathe
tr unk .
Op enin g X
Fo ldtherea rseat backrest forwar ds
(Y page 242).
X Inser ta suit able tool 0044, e.g. asc rew driver ,
in to ope ning 0043 inthepan eling.
The trunk lidisrel ease d.
X Ope nth etrunk lid. Em
ergency relea sebut ton
You canopenth etrunk lidfrom insid eth eveh i-
cl e wit hth eeme rgen cy release button. X
Press eme rgen cy release button0043 briefly.
The trunk lidunl ocks and opens.
The trunk lidcan beunlockedand openedwit h
th etrunk lideme rgen cy release when theveh i-
cl e is stat ion ary orwhil edri vin g.
The trunk lideme rgen cy release doesno tope n
th etrunk lidifth ebat tery isdis conn ectedor
dis charg ed.
Tr unk lideme rgen cy release light:
R Em erg ency release button0043 flas hes for
30 min utes afterthetrunk lidisope ned.
R Em erg ency release button0043 flas hes for
60 min utes afterthetrunk lidisclose d. Sid
ewind ows Im
por tant safet ynot es G
WAR
NING
Whi leope ning thesid ewin dows ,bod ypar ts
co uld becometrappe dbet ween thesid ewin -
dow andthedoo rfr ame asthesid ewin dow
mo ves .The reisaris kof inju ry.
Mak esur eth at nobod yto uch esthesid ewin -
dow during th eope ning pro cedur e.Ifsom e-
bod ybec omestrappe d,rel ease theswit chor
pull theswit chtoclose thesid ewin dow again . G
WAR
NING
Whi leclosi ng thesid ewin dows ,bod ypar tsin
th ecl osi ngare aco uld bec ometrappe d.The re
is aris kof inju ry.
Whe nclosi ng mak esur eth at no par tsof the
bod yare intheclosi ng are a.Ifsom ebody
bec omestrappe d,rel ease theswit chorpre ss
th eswit chtoope nth esid ewin dow again . 82
Sid
ewind owsOpening andclosing

G
WARNING
If child renopera tethe side windo wsthey
coul dbecome trapped,particu larlyif they are
left unsu pervi sed.There isarisk ofinjury .
Activate theoverrid efeatu refor the rear side
windo ws.When leaving thevehicl e,alw ays
take theSmartKey withyouand lock thevehi-
cle. Never leavechild renunsu pervi sedinthe
vehicl e. Side
window reversi ngfeature
The side windo wsare equipped with anauto-
matic reversi ngfeatu re.Ifasoli dobject blocks
or restricts aside windo wfrom traveli ng
upw ards duringthe automatic closingprocess ,
the side windo wopens againau tomatica lly.Dur-
ing the manua lclosi ngprocess ,the side windo w
only opens againautomatica llyafter thecorre-
spondi ngswi tch isrele ased .The automatic
reversi ngfeatu reisonly anaid and does not
reli eve you ofthe respo nsibilityofpay ing atten-
tion when closingaside windo w. G
WARNING
The reversi ngfeatu redoes notreact:
R to soft, light and thin objects, e.g.smal lfin-
gers
R whi leadju sting
This means thatthereversi ngfeatu recannot
prevent someone being trappe din these sit-
ua tions. There isarisk ofinjury .
Make surethatnobody parts areinclose
proximi tyduri ngthe closi ngproced ure.If
someone becomestrappe d,press the0062
button toopen theside windo waga in. Openi
ngand closing theside win-
dows
The switches forallside windo wsare loca tedon
the drive r'sdoor. There isals oaswi tch oneach
door forthe correspo ndingsidewindo w.
The switches onthe drive r'sdoor takeprece-
dence. 0043
Front left
0044 Front right
0087 Rea rright
0085 Rea rleft
X Turn theSmartKey toposi tion 0047or0048 inthe
ignitio nlock (Ypag e123).
X To open manually: pressandhold thecor-
respo nding switch.
X To open fully: press theswitch beyond the
pressu repoint andrelease it.
Automatic operationisstarted.
X To clo semanually: pullthe correspo nding
swi tch and hold it.
X To clo sefully: pullthe switch beyond the
pressu repoint andrelease it.
Automatic operationisstarted.
X To interrupt automatic operation:press/
pul lthe correspo ndingswitch again.
i If
you press/p ullthe switch beyond the
point ofresis tance, automatic operationis
started inthe correspo ndingdirection. You
can stop automatic operationbypressi ng/
pul ling theswitch again.
i You
cancontinue toopera tethe side win-
dow safter youswitch offthe engine or
remove theSmartKey .This function remains
active forfive minutes oruntil thedrive r'sor
front-passenge rdoor isopened .
i When
theoverrid efeatu refor the side win-
dow sis activa ted(Ypag e60) ,the side win-
dow scannot beopera tedfrom therear. Co
nven ienceopen ing
Vehic leswith KEYLESS-GO orKEYLESS-GO
start functio n:you can ventila tethe vehicl e
before youstart driving. Side
window s
83Openi ngand closi ng Z