2021 MERCEDES-BENZ CLA COUPE lock

*
NO
TEDama getotheex terior lighting
due touns uitable windshieldwa sher fluid Uns
uitable windshieldwa sher fluid maydam‐
ag eth eplas ticsur face oftheex terior light‐
ing. #
Onlyuse windshield washer fluid whic h
is also suitable foruse onplastic sur fa‐
ces, e.g.MBSumm erFitor MB Winter‐
Fit. *
NO
TEBlocked spr aynozzl escau sed by
mixing windshieldwa sher fluids #
Donotmix MBSum merFitand MBWin‐
te rFit withot her windshield washer flu‐
ids. Do
notuse distilled orde- ionizedwa ter.Ot her‐
wise, thefill le ve lsen sor maybe trigg ered erro ‐
neou sly.
Re comme ndedwindsh ield wa sher fluid:
R Abo vefreezing point:e.g. MBSummerFi t
R Belo wfreezing point:e.g. MBWinterFi t Fo
rth ecor rect mixi ngratio ,re ferto theinf orma‐
tion ontheantif reeze container .
Mix washer fluid withwind shieldwa sher fluid all
ye ar round . Re
frig er ant No
teson refrig er ant
Obser vetheno teson oper ating fluids
(/ page32 4).
* NO
TEDama gedue toinc orrect refrig er‐
ant If
anon-appr ovedre frig er ant isuse d,thecli‐
mat econ trol system maybe damag ed. #
USA/China: UseonlyR‑1 34a refrig er‐
ant. #
Canada: UseonlyR‑1 234yf refrig er ant. *
NO
TEDama getotheclimat econ trol
sy stem due toinc orrect refrig er ant com‐
pr essor oil #
Onlyuse refrig er ant com pressor oilthat
has been approvedby Mer cedes-Ben z. #
Donotmix theappr ovedre frig er ant
com pressor oilwithadif fere nt refrig er‐
ant com pressor oil. Wo
rkon theclimat econ trol system maybe car‐
ri ed out onlyby aqu alif ied spec ialistwo rkshop.
All appli cable regulations, aswellas SAEstand‐
ar dJ63 9,mus tbe adher edto.
The information labelforth eclimat econ trol sys‐
te m rega rding there frig er ant type andthere frig‐
er ant com pressor oil(PAG oil) islocat edon the
insid eof thehood. 330
Tech nica lda ta

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Á Key NotDetected (red dis‐
pla ymessag e) *T
heSmar tKey canno tbe detected and mayno long erbe intheve hicle.
The Smar tKey isno long erintheve hicle andyouswit choffth eengine:
R Youcan nolongerst ar tth eengine.
R Youcan notcen trally lockth eve hicle. #
Ensur eth at theSmar tKey isin theve hicle.
If th eSmar tKey detection functi onhasa mal functi ondueto ast ro ng radio signal source: #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions. #
PlacetheSmar tKey inthemar kedspace forst ar tin gth eengine withth eSmar tKey (/ pag e12 9).
Á Don't ForgetYour Key *A
warning tone also sou nds. Thismes sage reminds youto take your Sm artK ey wit hyo uwhen youlea vetheve hicle.
Place theKey inthe
Marked SpaceSeeOpera-
tor's Manual *S
mar tKey detection ismal functi oning. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Place theSmar tKey inthemar kedspace forst ar tin gth eengine withth eSmar tKey (/ pag e12 9). Dis
play messa gesand warning/ indic ator lam ps 339

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.
Do notcontinu edr ivi ng und eranycir cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop. Ù
Steering Malfunction See
Operator's Manual *T
heelectr icsteer ing lockis malfunct ioning.Thesteer ing maybe lockedby theelectr icsteer ing lock. &
WARNIN GRisk ofacci dent ifsteer ing capability isim pair ed
If th esteer ing does notfunc tion asintended, theve hicle's operating safetyis jeopar dized. #
Pull overand stop theve hicle safely assoon aspossible, paying attention toroad and traf fic condi tions.
Do notcontinu edr ivi ng und eranycir cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop. #
Pull overand stop theve hicle safely assoon aspossible inaccor dance withth etra ffic con dition s.Do notcon ‐
tin ue drivin gunder anycir cums tances. #
Consu ltaqu alif ied spec ialistwo rkshop.
û Before Startingthe Engine,
Turn Steering Wheel *T
heelectr icsteer ing lockcould notunloc kth esteer ing. #
Switc hof fth eignition . #
Tounlo ckthesteer ing, movethesteer ing wheel slightlyto thelef tand right. #
Switc hth eignition backon. 34
4
Dis play messa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0051 *A
tle as tone door isop en. #
Close alldo ors.
0083 *T
hehood isopen. &
WARNIN GRisk ofacci dent dueto driving withth ehood unlocked
The hood mayopen andblockyo ur vie w. #
Neverre lease thehood when driving. #
Beforeev erytrip, ensur eth at thehood isloc ked. #
Stop theve hicle immediat ely,pa ying attention toroad and traf fic condi tions. #
Close thehood.
0084 *T
hetrunk lidisopen. &
DANG ER Risk ofexhaus tga spoisoning
Combus tionengines emitpoisonous exhaus tga ses suchas carbon monoxide.Exhaus tga ses can enterthe
ve hicle interior ifth etrunk lidisopen when theengine isrunning ,esp ecially ifth eve hicle isin mo tion. #
Alw aysswitc hof fth eengine beforeopening thetrunk lid. #
Neverdr ive wit hth etrunk lidopen. Displa
ymessag esand warning/ indic ator lam ps 34
5

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0080 Transmission OilOverhea-
ted Drive withCaution *T
hetransmission isove rheating. Whenthedispla ymessag eis activ e,star t-up and drivin gch aract eristic sma ybe
te mp orarily im pair ed. #
Drive at low engine speed. #
Avoid spor tydriving. #
Beforepulling away on uphill gradients, letth etra nsmiss ioncool down until thedispla ymessag edisappear s.
Parkin gLock Inoper ative
Apply Parkin gBrak e *
The transmiss ionismalfunct ioning.Theparkposition 005Dcann otbe select ed. #
Park theve hicle safely. #
Use theelectr icpar king brak eto secur eth eve hicle agains tro lling away.
Teaching inTransmission
Operate SelectorLever
Apply Brake forXXsRisk
of Vehicle RollingAway *T
hetransmission isbeing taught in.Ther eis arisk oftheve hicle rolling away. #
Dep ress and hold thebr ak epedal untilthete ac h-in proce sshas been completed.
The elect ric pa rking brak eis applied automat icallydur ing thete ac h-in proce ss. #
Swit chon theignition . #
Select parkposition 005D,transmiss ionposition 005Eorneutr al005C.
Apply Parkin gBrak eRisk
of Rolling AwaySeeOpera-
tor' sManual *T
hetransmission positioncannotbe reliably identified. #
Use theelectr icpar king brak eto secur eth eve hicle agains tro lling away.
Teaching inTransmission
Complete *T
hetransmission's teac h-in proce ssiscom plete.All trans mis sionpos itions canbeselect edagain. Disp
lay mes sage sand warning/ indic ator lam ps 35
1

1,
2, 3...
4MA TIC..................................................... 143
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>143
12 Vbatt ery
see Battery(v ehi cle)
12 Vso cket
see Socket(1 2 V)
11 5V soc ket
see Socket(1 15 V)
360° Camer a.... ........................................ 191
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 191
Opening thecamer aco ver(r ear view
camer a)..... ............... ...... ..................... 194
Sel ecting avie w <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 193 A
A/C funct ion
Ac tivati ng/d eactiv ating (MBUX mul‐
tim ediasystem) .............................. ..... 124
Swi tching on/of f(contr olpa nel )......... 123
ABS (Anti-lockBr ak ing System) .............1 55
Ac celer ation
see Kickdo wn Ac
ciden tand Break down Manag e‐
men t
Mer cedesme connect.................... .....2 35
Ac ous ticlocking verificat ion signa l
Ac tivati ng/d eactiv ating ........... ..............67
Ac tiv eBli nd Spo tAs sist <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 184
Br ak eap plica tion <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> .............185
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>184
Sy stem limit ations ........................... ....1 84
Ac tiv eBr ak eAs sist
Fu nctio n/no tes .................................... 175
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 179
Ac tiv eDi stance AssistDI ST RO NIC ........ 164
Ac tiveEmerg encyStop Assis t.............. 172
Ac tiveLa ne Chang eAssi st<0011001100110011001100110011001100110011001100110011001100110011
001100110011> 173
Callin gup aspee d...............................1 66
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>164
Incr easi ng/decr easingspeed ......... .....1 66
Re quiremen ts................................ ...... 166
Ro ute-based speedadap tatio n........... .169
St eer ing wheel buttons ........................ 166
St or ing aspeed .............................. ..... 166
Swi tching off/de activating ........... .......166
Swi tching on/a ctivating <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 166 Sy
stem limit ations ...............................1 64
Ac tiv eEme rgency Stop Assis t................ 172
Ac tiv eLan eCha ngeAs sist <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 173
Ac tivati ng/d eactiv ating ........... ............174
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>173
Ac tiv eLan eKe eping Assist.................... 186
Ac tivati ng/d eactiv ating ........... ............188
Ac tivati ng/d eactiv ating thewa rning .... 188
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>186
Se tting thesensit ivity.......................... 188
Sy stem limits ....................................... 186
Ac tiv ePa rking Assis t.............................. 198
Exiti ngapa rking space ........................ 201
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>198
Pa rking ................................................ 200
Sy stem limit ations ...............................1 98
Ac tiv eSe rvice System PLUS
see ASSYST PLUS
Ac tiv eSpe edLimit Assist <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 168
Dis play <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 168
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>168
Ac tiv eSte ering Assis t.............................1 70
Ac tivati ng/d eactiv ating ........... ............172 396
Index

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

Re
sponsibili tyforlig hting systems .......1 11
Se tting theex terior lighting switch-
of fdela ytime ................................. ...... 115
St andi nglight s.....................................1 11
Swi tching thesur round lighting
on /of f.......... .................................. ...... 115
Tu rn signal light.................................... 112
Limit edWa rranty
Ve hicle .................................................. 30
Liv eTr af fic Inf orma tion
Swit ching thetra ffic inf ormatio ndis‐
pla yon ................................................ 230
Load index(tir es) .................................... 304
Load- bearingcapa city(tires) .................3 04
Lo ading .............. .......................................104
Car gotie-do wn rings <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ..104
Def initio ns ............ ...............................306
No tes ............ ......................................... 99
Ro oflugg agera ck <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 105
Load ingguid elines .................................... 99
Load inginforma tion table ...................... 297
Load s
Sec uring ................................................ 99 Loc
king/u nlocking
Ac tivati ng/d eactiv ating theaut o‐
matic locking featur e.............................7 1
Emerg encykey ...................................... 72
KEYLESS- GO................................... .......70
Un loc kin g/op eningth edoor sfrom
th einside ..............................................7 0
Lo w-beam headla mps
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 111
Lu bricant additives
see Additiv es
Lu ggage
Sec uring ................................................ 99
Lu mbar support
se eLu mbar support(4-w ay)
Lu mbar support(4 -w ay)...........................9 2 M
Maint enanc e
Ve hicle ............................................. ...... 24
Maint enanc e
see ASSYSTPL US Malfunct
ion
Re stra int system .................................... 37
Malfunc tionmessag e
see Displa ymessa ge
Maneuv ering assis tance
Ac tivati ng/d eactiv ating ........... ............204
Cr oss Traf fic Aler t<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> ...203
Dr ive Aw ayAssi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 203
Map <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 229
Disp laying onli nemap contents .......... 230
Disp laying weather informat ion ...........2 30
Mo ving ................................................ 229
Selecti ngthemap orient ation .............2 29
Se tting themap scale .......................... 229
Switc hingfree wa yin fo rm atio n
on /of f.................................................2 29
Massag epr og ram
Re settin gth ese ttings ............................9 4
Massag epr og rams
Sel ecti ngthefront seats ....................... 94
Massag ese ttings
Re settin g............................................... 94
Matt efinish (cleaning instructions) ...... 264 Inde
x41
1