2021 MERCEDES-BENZ CLA COUPE service

Inf
ormation label(exa mp le–US A/China)
1 Hazardand service warning symbols
2 Refrig er ant filling capac ity
3 Applic ablestandar ds
4 PAGoil par tnum ber
5 GWP(Global Warming Potential) ofthere frig‐
er ant used
6 Refrig er ant type Inf
ormation label(exa mp le–Canada)
1 Hazardand service warning symbols
2 Refrig er ant filling capac ity
3 Applic ablestandar ds
4 PAGoil par tnum ber
5 GWP(Global Warming Potential) ofthere frig‐
er ant used
6 Refrig er ant type
Symbo ls1 indica tethefo llo wing:
R Possible dangers
R Having maint enance workcar ried out ata
qu alif ied spec ialistwo rkshop Fi
lling capacityforre frig er ant and PAGoil
Missi ngvalues werenotav ailable attim eof
goin gto print . Model
Refrig er ant
CL A250
CL A250 4MATIC 20.8±0.4 oz
(590 ±10 g) Model
PAGoil
CL A250
CL A250 4MATIC 2.8±0.4 oz
(80 ±10 g) Ve
hicl edata Ve
hicl edimens ions The
heightsspeci fied mayva ry as are sult ofthe
fo llo wing fact or s:
R Tire s
R Load Te
ch nica lda ta 33
1

Disp
laymes sages Int
roducti on In
fo rm ation about displaymessag es
Displ aymessa gesappea ron themultifunc tion
displa y.
Dis play messa geswit hgr aphical symbols are
sim plified intheOper ator's Manual andmaydif‐
fe rfr om thesymbols onthemultifunc tiondis‐
pla y.The multifunct iondispla ysho wshigh-pr ior‐
ity displa ymessag esinred. Cer tain displa ymes‐
sag esareacc ompanied byawa rning tone.
Pl ea se act inacco rdanc ewit hth edispla ymes‐
sag esand follo wtheadditional notesin the
Oper ator's Manual .
Fo rsome display messa ges,asymbol willalso
be sho wn:
R Õ Further information
R 00A4 Hidedispla ymessag e
Wi th thelef t-hand Touc hCon trol, youcan select
th ere spectiv esymbol byswiping tothelef tor
ri ght. Press theÕ symbol tosho wfur ther infor‐ mation
onthemedia display.Press the00A4
symbol tohide thedispla ymessag e.
Yo ucan hide low- prior ity displa ymessag esby
pr essing theP backbutt onorthelef t-hand
To uc hCon trol. The displ aymessa geswill then
be stor ed inthemessag ememor y.
Re ctify thecause ofadispla ymessag eas
qu ickl yas possible .
High- prior ity displa ymess ages can notbe hid‐
den. Themultif unction displa ysho wsthese dis‐
pla ymessag escon tinuousl yuntil thecause of
th edispla ymessag ehas been rectif ied.
Cal ling up save ddispl aymes sages
On-b oard com puter:
4 Service5
1Mes sage
If th er ear eno displa ymessag es,NoMessages
will appear onthemultifunc tiondispla y. #
Scrollth ro ugh thedispla ymessag esby swip‐
ing upw ards ordown wardson thelef t-hand
To uc hCon trol. #
Toexitth emess agemem ory: press the
bac kbutt onP. 33
4
Displa ymessag esand warning/ indic ator lam ps

Occupant
safety Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0075 SRS Malfunct ionServic e
Required *T
herestra int system ismalfunct ioning(/page37 ). &
WARNIN GRisk ofinju rydue tomalfu nctions inthere stra int system
Com ponen tsinthere stra int system maybe activ ated unint entionally ornotdeplo yas planned inan acciden t. #
Have there stra int system checkedand repair edimmediat elyataqu alif ied spec ialistwo rkshop. 0075
Front LeftMalfunction
Service Required(exa mp le) *T
hecor responding restra int system ismalfunct ioning(/page37 ). &
WARNIN GRisk ofinju rydue tomalfu nctions inthere stra int system
Com ponen tsinthere stra int system maybe activ ated unint entionally ornotdeplo yas planned inan acciden t. #
Have there stra int system checkedand repair edimmediat elyataqu alif ied spec ialistwo rkshop. 0075
Left Side Curtain Airbag
Malfunction Service
Requ ired(exa mp le) *T
hecor responding windowcur tain airbag ismalfun ctionin g(/ page37 ). &
WARNIN GRisk ofinju ryor fata linj urydue toamalf unctionin thewindo wcur tain airbag
The windo wcur tain airbag mightbetrigg ered unin tentio nallyor might notbe trigg ered atall intheev ent ofan
acciden t. #
Have thewindo wcur tain airbag checkedand repair edimmediat elyat aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 335

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Servic eRequired DoNot
Shift Gears VisitDealer *T
hetransmission ismalfunctionin g.The transmission positioncannolong erbe chang ed. #
When transm issionposit ion005Bisselec ted, con sult aqu alif ied spec ialistwo rkshop anddonotch ang eth etra ns‐
mission position. #
Forall other transmission positions,parkth eve hicle safely. #
Consult aqu alif ied spec ialistwo rkshop orbreakdo wnservice.
Reversing NotPossible
Service Required *
The transmission ismalfunctioning. Thetransmission position005Ecanno tbe select ed. #
Consult aqu alif ied spec ialistwo rkshop.
Transmission Malfunction
Stop *
The transmission ismalfunctioning. Thetransmission shiftsto neu tral 005C automatical ly. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions. #
Depr essthebr ak epedal. #
Engage par kposition 005D. #
Consult aqu alif ied spec ialistwo rkshop.
Transmission Malfunction *T
hetransmission ismalfunctionin g.The cause couldbeanove rheat edclutc hor bloc kedge ars. #
Letth etransmission cooldown. #
Ifth edispla ymessag est ill appear sfo llo wing are star t,con sult aqu alif ied spec ialistwo rkshop. 350
Displa ymessag esand warning/ indic ator lam ps

Ac
tiveEmerg encyStop Assis t.............. 172
Ac tiveLa ne Chang eAssi st<0011001100110011001100110011001100110011001100110011001100110011
001100110011> 173
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>170
Sy stem limits ....................................... 170
Ad aptiv ecr uise contr ol
see ActiveDis tance AssistDIS TRONI C
Ad aptiv eHighb eamAssist
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>114
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 115
Ad diti ves.................................................. 327
En gine oil............................................. 327
Fu el ..................................................... 327
Ad diti ves(engine oil)
see Additiv es
Ad diti ves(fuel)
see Fuel
Af ter-sales service center
see ASSYSTPL US
Air bag
Re duced protect ion ...............................4 5
Air cond itioning menu
Callin gup ........................................ .....1 24 Air
distribut ion
Se tting (MB UXmult imed iasystem) ..... 124
Air inle t
see Air-water duct
Air pressu re
see Tire pressur e
Air vents ................................................... 125
Ad jus ting (front) ............. .....................125
Ad jus ting (rea r) ............. .......................126
Air vents
see Airvents
Ai r-re cir cula tion mode............................ 125
Air -water duct .......................................... 260
Ke eping free ........................................2 60
Airb ag....... ..................................................42
Ac tivati on ........... ...................................37
Fr ont airbag (driver ,fr ont passeng er)....4 2
Ins tallation locations .............................4 2
Knee airbag........................................... 42
Ov ervie w ..... ................................... ....... 42
PA SSENGER AIRBAGind icat orlam p.....4 7
Pr otect ion ....................................... .......4 4
Sid eairba g<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 42Wi
ndo wcur tain airbag ...........................4 2
Alar m
see Panic alar m
Al ar m system
see ATA(anti-t heftal ar m system)
All-wheel drive
see 4MA TIC
Ambient lighting
Se tting (multimedia system) ................1 16
Andr oidAuto
see Smar tphone integr ation
Animals Pets intheve hicle ................................. 65
Anti-loc kbr aking system
see ABS(An ti-loc kBr akin gSy stem)
Anti-skid chains
see Snowch ains
Anti -thef tpr otection
Imm obiliz er............................................ 84
Ant icip ator yoccup antprotection
see PRE- SAFE®
(anticip ator yoccu‐
pa nt protect ion) Inde
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Data
storage
Dat apr otect ion rights ..................... ...... 33
Elect ronic contr oluni ts <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 30
Onl ine service s<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .............33
Ve hicle ............................................. ..... 30
Deactiv atingthealarm(ATA ).................... 85
Dealer ship
see Qualif iedspec ialistwo rkshop
Dec laration ofconf ormity
Wi reless vehicle component s................2 6
Decor ative fo il(cleaning instructions)
.. .................................................................2 65
De finitions (tiresand loading) ............... 306
Des tinat ionentr y...... .............................. 227
En tering aPOI oraddress <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 227
De tectin ginat tentiv eness
see ATTENTION ASSIST
Diagnos ticsconnec tion............................2 7
Digita lOp erator' sMa nua l........................ 20
Dingh yto wing
see Tow- bar system DIRECT
SELECT leve r............ ............. ......139
Eng aging drive po sitio n............. ........... 141
Eng aging neu tral ............. .....................140
Eng aging park position .................. ...... 140
Eng aging park position automatic ally .. 140
Eng aging reve rsege ar .................... .....1 40
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>139
Disp lay(car e)...........................................2 67
Disp lay(MB UXmultim edi asy stem)
Hom escr een .......................................2 13
Disp lay(m ult imedi asy stem) .................. 214
Oper ating ............................................. 214
Disp lay(on- boardcom puter)
Dis play son themultifunc tiondispla y.. 209
Displa ymessag e.....................................3 34
Ca lling up (on-boa rdcom puter) ..... ......3 34
No tes .................................................. 334
Displa ymessag es
00B2 ---mp h.....................................3 59
ç ---mp h.....................................3 59
003D 12VBatt erySee Oper ator's
Manual ................................................ 372 :
ActiveHea dlamps Inoperati ve .... 341
é ATTENTION ASSISTInoper ative
... ..........................................................3 58
é ATTENTION ASSIST: Take a
Br ea k! <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>........359
: Automatic HeadlampMode
Inoper ative..... ..................................... 340
û BeforeSt artin gth eEn gine,
Tu rn Steer ing Wheel ............................3 44
0027 CheckBr ak eFluid Level.............3 57
0026 CheckBr ak ePa ds See Oper a‐
to r's Manua l...... .................................. 358
00BD CheckCool antLevelSee Oper‐
at or's Manual ...................................... 346
00B3 CheckEn gine OilLevel(A dd 1
qu art) .................................................. 379
: CheckLef tLo wBeam (exa m‐
ple) ...................................................... 340
0077 CheckTire s ................................ 375
00B2 CheckWa sher Fluid ...................3 46 402
Index

ÿ
Coolan tTo oHo tSt op Vehicle
Tu rn Engi neOff............ ........................ 347
00CE Current lyUn available Camera
Vi ew Restrict ed <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> ......365
ç Current lyUn available Radar
Sen sorsDir ty ...................................... 364
0025 Currentl yUna vailable See
Opera tor's Manua l...... .........................367
00E5 Currentl yUna vailable See
Opera tor's Manua l...... .........................368
Á Don't Forget Your Key................ 339
00B3 Engin eOil LevelCann otBe
Mea sured <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>....380
00B3 Engine OilLevelLo wStop Vehi‐
cle Turn Engi neOff............ ..................379
00B3 EngineOilPr ess ureSt op
Switc hOf fEngin e................................ 380
00B3 EngineOil Reduce OilLevel........ 379
0075 Front LeftMalfunction Service
Re quired (exa mp le) .............................3 35 00D4
FuelLevelLo w ............................ 348
00D4 GasCap Loose ...........................3 48
0025 Inoper ativeSee Oper ator's
Manu al....... ......................................... 368
00E5 Inoper ativeSee Oper ator's
Manu al....... ......................................... 369
007A Inoper ativeSee Oper ator's
Manu al....... ......................................... 370
0053 Inoper ative..... ............................ 371
: Intell. Light System Inoperativ e.. 341
Á KeyNo tDe tected (red displ ay
messa ge).............................................3 39
Á KeyNo tDe tected (whit edis‐
pl ay messa ge).....................................3 38
0075 LeftSide Curtain Airbag Mal‐
fun ction ServiceRe quired (exa mp le) ...3 35
ä Malfunction Drive at Max. 50
mp h..................................................... 366
: Malfunction SeeOper ator ’s
Manual ................................................ 340 Á
ObtainaNe wKe y.......................3 38
ç Off....... .......................................360
00D9 Off....... .......................................358
0049 Parking Brak eSee Opera tor's
Manua l...... ..........................................3 53
0077 Please Correct Tire Pressur e...... 375
0049 Please Release Parking Brak e.... 356
Á Replace KeyBat tery <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 338
003D SeeOperator's Manua l..... .......... 372
0075 SRSMalfunction Service
Re quired .............................................. 335
Ù Steer ing Malfunct ionIncreased
Ph ysical Effort See Operator's Man‐
ua l...... ................................................. 343
Ù Steer ing Malfunct ionSee Oper‐
at or's Manual ...................................... 344
Ù Steer ing Malfunct ionStop
Immediat elySee Oper ator's Manual ...343
003D Stop Vehicle LeaveEngi neRun‐
ning <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011>.....373 Inde
x403

Dr
iver' sDoo rOp en &Trans miss ion
No tin PRisk ofVehicle Rolling Away ..349
Fr ont Passeng erAirbag Disabled See
Oper ator's Manual ...............................3 36
Fr ont Passeng erAirbag Enabled See
Oper ator's Manual ...............................3 36
Hazard Warning Flashe rsMalfunc‐
tioning ......... ........................................3 42
N Pe rm anen tly Ac tiveRi sk ofRo lling
Aw ay <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 349
Only Shiftto 'P' when Vehicle isSta‐
tio nar y.................................................3 48
Pa rking Assistand PARK TRONI C
In operativ eSe eOperat or'sMan ual.....3 66
Pa rking LockIno per ativ eAppl yPa rk‐
ing Brak e.............................................3 51
Place theKe yin theMar kedSpace
See Oper ator's Manual ........................ 339
PRE-S AFEInoperativ eSee Oper a‐
to r's Manua l...... .................................. 337 Re
versing NotPo ssible Service
Re quired .............................................. 350
Ru nFla tIndi catorInop erati ve .............. 378
Ser vice Required Do NotShif tGear s
Vi sit Dealer .......................................... 350
Te ac hin gin Trans miss ionCom plete ..... 351
Te ac hin gin Trans miss ionOper ate
Sel ectorLeverAppl yBr ak efo rXX s
Ris kof Vehicle Rolling Away ................ 351
Ti re Press. Monit orCur rently
Un available .......................................... 374
Ti re Press. Monit orInopera tive ............ 374
Ti re Pressur eMonit orInopera tiveNo
Wheel Sensors .....................................3 74
Ti re sOv erheat ed................................. 376
To Dese lect Por N, Dep ress Brak e
and StartEn gin e.................................. 349
To switc hengine off,pr ess and hold
St art/ Stop butt onforat lea st3sec‐
onds orpress 3times. .........................346 Tr
af fic Sign AssistCur rently Unavail‐
able SeeOperat or'sMan ual................ 362
Tr af fic Sign AssistInoper ative.... .........3 62
Tr ans miss ionMalfun ction .................... 350
Tr ans miss ionMalfun ction Service
Re quired .............................................. 352
Tr ans miss ionMalfun ction Stop ........... 350
Displa yon thewindsh ield
see Head- upDis play
Dis tance control
see ActiveDis tance AssistDIS TRONI C
DI ST RO NIC
see ActiveDis tance AssistDIS TRONI C
Do or
Ch ild sa fety lock (rear door s)................ 63
Loc king(emer gency key) .......................7 2
Opening (from inside) ............................7 0
Un loc kin g(emer gency key) .................... 72
Un loc kin g(fr om insid e).........................7 0
Door controlpan el.....................................1 6
DO T,Tire Iden tificat ionNumbe r(TI N) ... 302 Inde
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5