light MERCEDES-BENZ CLA 2021 Owners Manual

Br
ak es Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0049 Elect ric pa rking brak eindi‐
cat orlam p(red) (USAonl y)
0024
Elec tric par kingbr ak eindi‐
cat orlam p(red) (Canada
onl y)
0024 The elect ric pa rking brak e
(y ello w)indic ator lam p *T
he redelect ric pa rking brak eindic ator lam pflashes orislit.
The yello welect ric pa rking brak eindic ator lam palso lightsup intheeve ntofama lfunctio n. #
Notethemessag eson themultifunc tiondispla y. 388
Displa ymessag esand warning/ indic ator lam ps

Dr
ivin gsy stems Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00D4 Ac tiveBr ak eAssi stwa rning
lam p *T
he whit eAc tiveBr ak eAssi stwa rning lam pis lit.
The system isswitc hedoffor una vailable.
L Wa rning lam pfo rdis tance
wa rning func tion *T
he reddis tance warning lam plight sup while theve hicle isin mo tion.
The distance totheve hicle infront istoosmall forth espeed selected.
If th er eis an additional warning tone, youar eappr oachingan obs tacle attoohigh aspeed. #
Beprepar edtobrak eimmediat ely. #
Incr ease thedis tance.
Fu nctio nof ActiveBr ak eAssi st(/ pag e17 5). Displ
aymessa gesand warning/ indic ator lam ps 39
1

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
00E5 ESP ®
wa rning lam plight s
up *
The yello wES P®
wa rning lam pis lit while theengine isrunning .
ESP ®
is mal func tioning .
Ot her drivi ng systems anddriving safetysy stems (e.g. BAS)ma yal so be mal functi oning. #
Notethemessag eson themultifunc tiondispla y. &
WA RNIN GRisk ofskid ding ifESP ®
is mal functi oning
If ESP ®
is mal functi oning,ESP ®
canno tcar ryout vehicle stabiliz ation.Inaddit ion,ot her driving safetysy stems
ar eswitc hedoff. #
Drive on car efull y. #
Have ESP ®
ch eckedat aqu alif ied spec ialistwo rkshop. 00BB
ESP ®
OFF warning lam p *
The yello wES P®
OFF warning lam pis lit while theengine isrunning .
ESP ®
is de acti vated.
Ot her driving systems anddriving safetysy stems mayalso beinoper ative. &
WA RNIN GRisk ofskid ding whe ndr ivi ng with ESP ®
de acti vated
ESP ®
do es notact tostabiliz eth eve hicle. Theavailabilit yof fur ther driving safetysy stems isalso limited. #
Drive on car efull y. #
Dea ctivateESP ®
only foras long asthesituation requ ires. Disp
lay mess ages and warning/ indic ator lam ps 393

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0077 Ti re pressur emonit oring
sy stem warning lam plight s
up *T
he yello wtirepr essur emon itor ing system warning lam p(pr essur eloss/ malfun ction) islit.
The tirepr essur emon itor ing system has detected tirepr ess urelos sin at leas tone ofthetir es. &
WA RNIN GRisk ofan acci dent dueto insuf ficie nttirepr ess ure
R The tires can burst.
R The tires can wearexc essiv elyand/or unevenly .
R The drivi ng charact eristic sas wellas thesteer ing and braking maybe greatl yim pair ed.
Yo uco uld then lose control of theve hicle. #
Obser vethere comme ndedtirepr ess ures. #
Adjus tth etir epr essur eif neces sary. #
Stop theve hicle inaccor dance withth etra ffic con dition s. #
Chec kth etir epr essur eand thetir es. Displa
ymessag esand warning/ indic ator lam ps 395

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
x39
7

see
PRE-S AFE®
PL US (anticipat ory
occupant protect ion plus)
Apple CarPla y®
see Smar tphon eint egr ation
Assis tance systems
see Drivin gsaf etysy stem
ASS YSTPL US <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011>254
Batt erydi sconne ctionpe riods .............2 55
Displ aying theser vice duedate........... 254
Fu nctio n/no tes ................................... 254
Re gular maint enance work <0011001100110011001100110011001100110011001100110011001100110011
00110011> 254
Spec ialser vice requ iremen ts.............. 254
ATA (anti-thef tala rm system) .................. 84
Ac tivati ng/d eactiv ating theint erior
mo tion sensor ......... .............................. 86
Ar ming/ disarming theto w- aw ay
alar m.... .................................................8 6
Dea ctivating thealar m..................... ..... 85
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 84
Fu nctio nof theint erior motion sensor ..86
The tow- aw ay alar mfun ction .................8 5
AT TENTI ONASSIST <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 160, 162
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 160
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 162 Sy
stem limit ations ........................... ....1 60
At tention assistant
see ATTENTION ASSIST
Au thorized Mercedes- BenzCenter
see Qualif iedspec ialistwo rkshop
Au thorized workshop
see Qualif iedspecialis two rkshop
Au tomatic carwa sh mode
Ac tivati ng ........... ................................. 263
Au tomatic distanc eco ntr ol
se eAc tiveDis tance AssistDIS TRONI C
Au tomatic drivin glights ........... ............ ...112
Au tomatic engine star t(E CO star t/
st op fun ction) .......................................... 134
Au tomatic engine stop (ECO star t/
st op fun ction) .......................................... 134
Au tomatic fron tpass engerfr on tair‐
bag shutoff <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011> 45,47
Fu nctio nof theaut omatic front
passeng erfront airbag shutoff......... ..... 45
PA SSENGER AIRBAGind icat orlam p.....4 7 Au
tomatic fron tpass engerfr on tair‐
bag shutoff
see Automatic front pass engerfront
airb agshut off
Au tomatic measures afte ran acciden t... 51
Au tomatic mirrorfo lding function
Ac tivati ng/d eactiv ating ........... ............122
Au tomatic trans mis sion
DIR ECT SELEC Tleve r..... ......................139
Dr ive pr og ram disp lay ..... .....................1 37
Dr ive pr og rams ....................................1 36
DY NA MIC SELE CTswitc h.................... 136
Eng aging drive po sitio n............ ............ 141
Eng aging neu tral ............ ...................... 140
Eng aging park position ........................ 140
Eng aging reve rsege ar .........................1 40
Kic kdo wn ....... ......................................143
Manual gearshif ting.............................1 42
St eer ing wheel paddle shifters ............ 142
Tr ans miss ionposit iondispla y.............. 139
Tr ans miss ionposit ions........................ 139
Au tomatic trans mis sion (problem)
se eTr ans miss ion(problem ) 398
Inde x

Car
-to-X -Com municat ion
Dis playing hazardwa rnings ............ .....2 30
Car e....... ...................................................267
Air -water duct ......................................260
Au tomatic carwash ........................ ..... 261
Car pet..................... ........................ ....2 67
Deco rativ efo il ................................ .....2 65
Displ ay<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 267
Ext eriorlighti ng<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 265
Hea dline r<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 267
Ma tte finis h<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ................264
Pa int wo rk <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 264
Pl as tic trim <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 267
Po we rwa sher ...................................... 263
Re alwo od/tr imelements .................... 267
Re ar vie wcam era ................................ 265
Seat belt........................................ ...... 267
Seat cover..... ................ .................. .... 267
Sensor s..... ................ ........................ ..265
St eer ing wheel .....................................2 67
Sur round viewcam era ........................ 265
Ta ilpipes ................ .............................. 265
Wa shing byhand .............................. ... 264
Wheels/r ims....................................... 265
Wi ndo ws <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 265Wi
per blades .......................................2 65
Car gotie-do wnrings ...............................1 04
Car pet(C are) ....... .....................................267
Chang eof addr ess .....................................24
Cha ngeof ow ner ship ................................ 24
Cha nging awheel
Pr eparation .......................................... 313
Ra ising theve hicle ........................... ....3 14
Cha nging awheel
see Emerge ncy sparewheel
Chan ginggears ....... ................................. 142
Manually ..............................................1 42
Chang inghub caps .................................. 313
Cha rging
Bat tery (vehicle) .............................. .... 280
USB port........................................ ...... 107
Chec kingthebr ak epa dth ickness .......... 261
Child safetyloc k
Re ar door s.............................................6 3
Re ar side windows <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 65
Chi ldseat
At tach ing (notes) ................................... 55 Basic
instructions ..................................5 2
Fr ont- passeng erseat (notes) ................. 62
LA TC H-type (ISOFIX )(ins talling) ............ 57
No teson risk sand dang ers ...................5 3
Secu ring on thefront passeng erseat ....6 2
Secu ring on there ar seat ...................... 60
To pTe ther ..............................................5 9
Child ren
Av oiding dangersin theve hicle .............5 3
Basi cins tructi ons <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> .............52
Speci alsea tbel tre tract or ........... .......... 56
Ch ock ........... .............................................312
St or ag elocation ................................... 312
Choc k
see Choc k
Cleani ng
see Care
Clim atecontr ol
Ac tivati ng/d eactiv ating ........... ............123
Ac tivati ng/d eactiv ating theA/C
func tion (cont rolpanel) .......................1 23
Ac tivati ng/d eactiv ating theA/C
func tion (MBUX multimedia system) ....1 24 400
Index

Ac
tivati ng/d eactiv ating thesync hro‐
nizat ionfunc tion (cont rolpanel) .......... 124
Ac tivati ng/d eactiv ating thesync hro‐
nizat ionfunc tion (MBUX multimedia
sy stem) .......................................... ...... 124
Air -reci rculati onmod e.................... .....1 25
Au tomatic control..... ........................... 124
Callin gup theair con ditionin gmenu ...124
Con trol pan elfor3-zone automatic
clima tecontr ol<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> .......123
Fil ling cap acityforPA Goil ...................3 31
Fr ont airvents <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ............125
No te <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 123
Re ar air vents <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .............126
Re frig er ant ............ .............................. 330
Re frig er ant filling capac ity.............. .....3 31
Re mo ving condensatio nfrom the
windo ws<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 125
Re sidua lheat ....................................... 125
Se tting (MBU Xmul time diasy stem) ..... 124
Ve ntil ating theve hicle (convenie nce
op eni ng) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 78
Coc kpit .........................................................6
Ov ervie w ......... ................................. .......6 Cof
feecup symbol
see ATTENTION ASSIST
Collisi ondetection (parked vehicl e)...... 152
Comb inationswitc h.................................1 12
Com puter
see On-boar dcom puter
Consum ption indicat or
Calling up........................................ .... 139
Con venience closing featur e....... ............. 79
Co nvenience opening................................ 78
Coolant (engine)
Capacit y.......................................... .... 329
Chec kleve l.......................................... 259
No tes .................................................. 328
Cop yrights
License .................................................. 35
Tr ademar ks<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 35
Co rnering light .........................................1 14
Cr oss Traf fic Aler t...................................2 03
Cr oss wind Ass ist
Fu nctio n/no tes .................................... 157 Cr
uise contr ol.......................................... 162
Ac tivati ng ........... ................................. 163
Butt ons <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> .......163
Callin gup aspee d...............................1 63
Deactiv ating........................................ 163
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 162
Re quiremen ts:.....................................1 63
Selecti ng....... ......................................163
Se tting aspe ed <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 163
St or ing aspeed ................................... 163
Sy stem limit ations ...............................1 62
Cus tomer Assist ance Center (CAC ).........2 9
Cus tomer Relat ions Depar tment .............2 9 D
Dam pingad just men t........... ................... 188
Dash board
see Cockpit
Data acquisition
Ve hicle .................................................. 30
Data protection rights
Dat ast or ag e .......................................... 33 Inde
x40
1

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

ESP
®
(Electr onicStabil ityProg ram) ...... 156
Ac tivati ng/d eactiv ating ........... ............157
Fu nctio n/no tes ................................... 156
Ext erior light ing
see Ligh ts
Ext erior light ing(car e)............................ 265
Ext erior mir rors <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 119, 120
Anti-g lare mode (automatic) ................1 20
Au tomatic mirrorfo lding function ........ 122
Fo lding in/out ...................................... 119
Oper ating thememor yfunc tion ............ 99
Pa rking posit ion.............................. .....1 21
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 119 F
Fa tig ue detection
see ATTENTION ASSIST
Fi rs t-aid kit(sof tsi ded) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> ....270
Flat tire ................ .....................................2 70
Cha nging awhe el....... ......................... 313
MOExt ended tires ................................ 271
No tes ..................... .............................. 270
TIREFIT kit...........................................2 72 Flat
towing
see Tow- bar system
Floor mats................................................ 109
Fo ilco vering
Ra dar and ultrasonic sensors.............. 154
Fr ee sof tware ............................................ 35
Fr eq uencies
Mobile phone.................................. .... 322
Tw o-w ayradio ................................ ...... 322
Fr ont airbag (driver ,fr ont passeng er).....4 2
Fr ont passeng erseat
see Seat
Fu el ...........................................................3 27
Ad ditiv es........................................ .....3 27
E1 0 ............ ............. .......................... ...326
Fu elreser ve <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 327
Ga sol ine <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 326
Qua lity (gas oline )<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 326
Re fuel ing ............................................. 144
Sul fur cont ent <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 326
Ta nk cont ent <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> .............327
Fu nction seat
see Door controlpanel Fu
ses ........................................................ 286
Bef orere placing afuse ........................ 286
Fu se assignment diagram...................2 86
Fu se boxin theengine compartmen t.. 287
Fu se boxin thefront -passen gerfo ot ‐
we ll...................................................... 287
Fu se boxin thetrunk ........................... 288
No tes .................................................. 286
Fu ses
see Fuses G
Gar agedoor opener
Clea ring thememor y........................... 150
Opening orclosing thedoor ................1 49
Pr ogr ammi ngbutt ons .......................... 147
Re solving problems ............................. 149
Sync hronizi ngthero lling code .............1 49
Gasol ine...................................................326
Gear shiftre comm endation .................... 142
Genuin epar ts............................................ 22
Genuin ewo od (Car e)...............................2 67
Glide mode ...............................................143 408
Index