warning MERCEDES-BENZ CLS 2021 Owners Manual

Dr
ivin gsaf etysy stems Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0025 ABS warning lam p *T
he yello wAB Swa rning lam pis lit while theengine isrunning .
ABS isma lfunctio ning.
If th er eis an additional warning tone, EBD isma lfunctio ning.
Ot her drivi ng systems anddriving safetysy stems mayalso bemalfunct ioning. #
Notethemessag eson themultifunc tiondispla y. &
WA RNIN GThe reisarisk ofskidding ifEBD orABS ismalfunctioning
The wheels mayloc kdur ing braking.
The steer ability andbraking charact eristic sar ehea vilyim pair edand thebr aking distan cema yincr ease. Inaddi‐
tion, other driving safetysy stems areswitc hedoff. #
Drive on car efull y. #
Have thebr ak esy stem checkedimmediat elyat aqu alif ied spec ialistwo rkshop. 00E5
ESP ®
wa rning lam pflashes *
The yello wES P®
wa rning lam pflashes whiletheve hicle isin mo tion.
One ormor ewheels hasreac hed itsgrip limit (/page16 3). #
Adaptyo ur drivin gst yle to suit thero ad and weather condition s. Dis
playmes sagesand warning/ indic ator lam ps 39
7

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. 398
Display mess ages and warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
If ESP ®
cann otbe activ ated, ESP®
is malfunc tioning. #
Have ESP ®
ch eckedimmediat elyat aqu alif ied spec ialistwo rkshop. #
Obser vetheno teson deactiv atingESP®
(/ page16 3). Ti
re pres sur emoni tor Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0077 Ti re pressur emonit oring
sy stem warning lam p
fl ashes *The
yello wtirepr essur emon itor wa rning lam p(pr essur eloss/ malfun ction) flashes forapp roxima tely one minu te and
th en remains lit.
The tirepr essu remonit orismalfu nctioning. &
WA RNIN GThe reisarisk ofan accident ifth etir epr essur emonit oring system ismalfunct ioning
The tirepr essur emonit oring system cann otissue awa rning ifth er eis pressur eloss inone ormor eof thetir es.
Ti re swit hinsuf ficie nttirepr ess urema yim pa irth edr iving charact eristic sas wellas steer ing and braking. #
Have thetir epr essur emonit oring system checkedat aqu alif ied spec ialistwo rkshop. Displa
ymessag esand warning/ indic ator lam ps 399

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. 400
Displa ymessag esand warning/ indic ator lam ps

007A
Inoper ativeSee Oper ator's
Manua l..... ........................................... 375
0053 Inoper ative.... .............................3 76
: Intell. Light System Inoperativ e
... ............ ..............................................3 48
Á KeyNo tDe tected (red displ ay
messa ge).............................................3 45
Á KeyNo tDe tected (whit edis‐
pl ay messa ge).....................................3 45
0075 LeftSide Curtain Airbag Mal‐
fun ction ServiceRe quired (exa mp le) ...3 41
¢ Lowe ring <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ............371
ä Malfunction Drive at Max. 50
mp h..................................................... 370
: Malfunction SeeOper ator ’s
Manual ................................................ 346
Á ObtainaNe wKe y.......................3 44
ç Off...... ........................................3 64
00D9 Off...... ........................................3 62 0049
Parking Brak eSee Opera tor's
Manua l...... .......................................... 357
0077 PleaseCor rect Tire Pressur e...... 381
0049 Please Release Parking Brak e.... 360
00D9 Please WaitChar ging 48VBat ‐
te ry … <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 379
006F Rear Lef tBac kres tNo t
La tched (exa mp le) ...............................3 51
Á Replace KeyBat tery <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 344
003D SeeOperator's Manua l...... .........377
0075 SRSMalfunction Service
Re quired .............................................. 341
Ù Steer ing Malfunct ionIncreased
Ph ysical Effort See Operator's Man‐
ua l...... ................................................. 349
Ù Steer ing Malfunct ionStop
Immediat elySee Oper ator's Manual ...349
003D Stop Vehicle LeaveEngi neRun‐
ning <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ..378 003D
Stop Vehicle SeeOper ator's
Manual ................................................ 378
00CC Stop Vehicle Vehicle TooLo w ..... 370
ç Suspend ed<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 364
: SwitchOf fLig hts <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 347
: SwitchOn Hea dlamps ................ 347
0049 Turn On theIgnit iontoRelease
th ePa rking Brak e................................ 361
0072 Vehicle Ready toDrive Swi tch
th eIgnit ionOffBef oreEx iting .............3 49
00CC Vehicle Rising Please Wait.......... 371
00CC Vehicle Rising ............................. 371
0077 Warning Tire Malfunction ........... 382
0077 Wheel Sensor(s) Missing............ 380
Ac tiveBli nd Spo tAssi stCur rently
Un available SeeOper ator' sMan ual.....3 67
Ac tiveBli nd Spo tAssi stInoper ative.... 367
Ac tiveBr ak eAssi stFunctio nsCur‐
re ntl yLim ited See Operator's Man‐
ua l...... ................................................. 375 Inde
x409

Ac
tiveBr ak eAssi stFunctio nsLim i‐
te dSee Oper ator's Manual .................. 376
Ac tiveDis tance AssistCur rently
Un available SeeOper ator' sMan ual.....3 64
Ac tiveDis tance AssistInoper ative..... .3 64
Ac tiveDis tance AssistNo wAv ailable
.. ...........................................................3 64
Ac tiveLa ne Keeping AssistCur rentl y
Un available SeeOper ator' sMan ual.....3 68
Ac tiveLa ne Keeping AssistInopera‐
tiv e ...................................................... 368
Ac tivePa rking Assistand
PA RK TRONI CInoper ative See Opera‐
to r's Manua l..... ........... ........................ 372
Ac tiveSt eer ing Assis tCur rentl y
Un available SeeOper ator' sMan ual.....3 65
Ac tiveSt eer ing Assis tInoperativ e.......3 65
Ac tiveSt eer ing Asst.Cur rentl y
Un available DuetoMultiple Emer‐
ge ncy Stops ......................................... 365 Ac
tiveSt op &Go Assis tCur rently
Un available SeeOper ator' sMan ual.....3 66
Ac tiveSt op &Go Assis tInoper ative
See Oper ator's Manual ........................ 366
Ad aptiveHig hbeam Assis tCur rently
Un available SeeOper ator' sMan ual.....3 48
Ad aptiveHig hbeam Assis tIn oper a‐
tiv e ...................................................... 348
App lyBrak eto Shif tfr om 'P' ............... 354
Apply Brak eto Shif tto 'R' ................... 354
Appl yBr ak eto Shif tto Dor R............ ..354
Au xiliary Batt eryMal functi on.............. 356
Begi nning Emergency Stop .................. 365
Blind SpotAssis tCur rentl yUna vaila‐
ble See Opera tor's Manua l...... ............ 367
Blind SpotAssis tInoper ative...... .........367
Ca nno tSt artEn gin eSee Operat or's
Man ual................................................ 379
Chec kTire Pressur eSoon ...................3 83 Che
ckTire Pressur eThen Restar t
Ru nFla tIndi cator <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ........384
Cr uise Contr olInop erati ve <0011001100110011001100110011001100110011001100110011001100110011
00110011> 363
Cr uise Contr olOff<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 363
Decr ease Spee d<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 383
Dr iver' sDoor Open& Trans miss ion
No tin PRisk ofVehicle Rolling Away ..355
Engine CanNo wBe Started ................ 379
Fr ont Passeng erAirbag Disabled See
Oper ator's Manual ...............................3 42
Fr ont Passeng erAirbag Enabled See
Oper ator's Manual ...............................3 42
Hazard Warning Flashe rsMalfunc‐
tioning .................................................3 48
Mer cedes meconnect Services Limi‐
te dSee Oper ator's Manual .................. 376
N Pe rm anen tly Ac tiveRi sk ofRo lling
Aw ay <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 355
Only Shiftto 'P' when Vehicle isSta‐
tio nar y.................................................3 54 41
0
Inde x

Head
restra int
Fr ont (adjus tingmechanicall y).............. 90
Fr ont (luxur yhead restra int ).................. 91
Re ar passe nger com partment
(adj ustin g) .............................................9 2
Head-up Display...... ................................220
Ad jus ting disp lay el eme nts(on-bo ard
com puter) ..... ...... .............................. ...220
Ad jus ting thebr ightn ess(on-boar d
com puter) ...... ................................. ..... 220
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>219
Menu (on-boar dcom puter) .................. 220
Oper ating thememor yfunc tion ..........1 00
Se tting theposition (on-boar dcom‐
put er) ............................................. ..... 220
Switc hingon/off........................... ...... 221
Headla mps
see Automatic driving lights
Headlin er(car e)....................................... 274
Heating see Climat econtr ol
Help call
see Mercedes-Benz emergencycallsystem High
beam
Ac tivati ng/d eactiv ating ........... ............115
High-be amflasher ................................... 115
High-be amheadlam ps
Ad aptiveHig hbeam Assis t.............. ...... 117
Hill star tassi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 167
HOLD functio n...... ................................... 166
Fu nctio n/no tes ................................... 166
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 166
Home screen (media display)
Ov ervie w ...... .................................... ... 223
Hood Opening/clo sing................................. 264 I
Iden tificatio nplat e
Engine ................................................ .3 29
Re frig er ant .......................................... 336
Ve hicle ............................................. ... 329
Ignition Switc hingon(Start/S topbutt on) ........ 133
Ignit ionkey
see Smar tKey Imm
obiliz er................................................ 83
Indi catorlam ps
see Warning/ indic ator lam ps
Individ ualdrive pr og ram
Con figur ing .......................................... 146
Sel ecting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 146
Insid ere ar vie wmir ror
see Exterior mir rors
Insp ectio n
see ASSYST PLUS
Ins trument cluster
Fu nctio n/no tes ............................2 15,21 6
Ins trum ent Disp lay
Fu nctio n/no tes .................................... 216
Ins trument cluster ..... ............................ 10
Wa rning/ indic ator lam ps.....................3 87
Ins trum ent Disp layand on-b oard
com puter
Fu nctio n/no tes .................................... 215
Int ellig entLight System
Ad aptiveHig hbeam Assis t.................... 117
Cor nering light <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> .............117 Inde
x41
5

Int
erior ligh ting........................................ 119
Ad jus ting ............ .................................. 119
Ambi entlighti ng<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> ...............119
Re adin glam p.......................................1 19
Swi tch-of fdel aytim e........... ................120
Int erior motion sensor
Ac tivati ng/d eactiv ating ........... ..............85
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 85
In te rn et radio
see TuneIn
Io nizatio n
Ac tivati ng/d eactiv ating (MBUX mul‐
tim ediasystem) .............................. ..... 130
iPhone ®
see Smar tphoneintegratio n J
Jac k
St or ag elocation ................................... 319
Jum p-startconne ction ............................2 87
Gene ralno tes ...................................... 285 K
KEY LESS-GO
Loc king theve hicle ........................ ........ 68
Pr oblem .................................................6 9
Un loc kin gse tting ............................ ...... 65
Un loc kin gth eve hicle ............................6 8
Kic kdow n.................................................1 50
Using ...................................................150
Knee airbag ................................................ 41 L
Labelin g(tir es)
see Tire labeling
Lam p
see Interior light ing
Lam ps(Ins trum ent Displa y)
see Warning/ indic ator lam ps
Lane detection (automatic )
se eAc tiveLa ne Keeping Assist
Lane Keeping Assist
see ActiveLa ne Keeping Assist LA
TC H-type (ISOFI X)child seat secur‐
ing system
In stallin g................................................ 55
Le velcontr olsystem
see AIR BO DY CONTR OL
Light switch
Ov ervie w .............................................. 114
Light ing
see Inte rior lighting
see Lights
Lights ........................................................ 114
Ad aptiveHig hbeam Assis t.................... 117
Au tomatic driving lights..... .................. 115
Comb inationswit ch<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 115
Cor nering light <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> .............117
Haza rdwa rning light s...........................1 16
High beam............ ...............................115
High -beamflasher ................................ 115
Light switch..... .................................... 114
Lo w-beam headlam ps.......................... 114
Pa rking light s.......................................1 14
Re ar foglam p....................................... 114
Re sponsibili tyforlig hting systems .......1 14 41
6
Inde x

Oper
ating ............ ................................. 217
Ov ervie wof menus .............................. 217
On-boar ddiagnos ticsinterface
see Diag nostics con nection
Online services
Dat ast or ag e ............ .............................. 32
Open-sour cesof tware .............................. 34
Opening thetrunk lidusing your foot
HANDS-FREE ACCES S.................... .......7 4
Oper ating fluids
Ad ditiv es(fuel) .................................... 333
Br ak efluid ...................................... .....3 34
Coo lant (engi ne)....... ........................... 335
Engine oil....... .....................................333
Fu el(gasoline) .....................................3 32
No tes .................. ................................. 331
Re frig er ant (airconditio ningsystem) ...336
Wi ndsh ield wa sher fluid .................. .... 335
Ope ratin gsaf ety
48 Von-boa rdelectr icalsystem ............ 23
Dec laration ofcon form ity (wir eless
ve hicle component s)........................ ..... 25
EQ boos t............................................... 23
Inf ormation ............................................ 23 Oper
ating system
see On-bo ardcom puter
Oper ator' sMan ual
Ve hicle equipment ........................... ...... 21
Oper ator's Manua l(digital) ....................... 18
Op timiz edacceler ation........................... 137
Ac tivati ng ........... ................................. .137
Ov erhead controlpanel
Ov ervie w .......................................... ...... 12 P
Pa int code ................................................ 329
Pa intw ork(cleaning instructions) .......... 271
Pa nel heating
Se tting ............................................. ...... 95
Pa nic alar m................................................ 65
Ac tivati ng/d eactiv ating ........... ..............65
Pa rk pos ition
Inser ting<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> .............148
Sel ecting automatical ly<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 148
Pa rking
see Elec tric par kingbr ak e Pa
rking aid
see Parking AssistPA RK TRONI C
Pa rking Assis tPA RK TRONI C<0011001100110011001100110011001100110011001100110011001100110011
00110011> 203
Ac tivati ng ........... ................................. 207
Ad jus ting warning tones <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 208
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>203
Sid eim pa ct protect ion ........................ 206
Switc hingoff....................................... 207
Sy stem limit ations ...............................2 03
Pa rking assis tance systems
see ActivePa rking Assist
Pa rking brak e
see Elec tric par kingbr ak e
Pa rking foran extended period .............. 160
Pa rking light s...........................................1 14
Pa rking posit ion
Ex terior mir rors <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 124
St or ing theposition ofthefront -
passeng eroutside mirrorusi ng
re ve rsege ar .........................................1 25
PA SSEN GERAIRBAGstatus displa y
see Automatic front pass engerfront
airb agshut off 420
Index

Te
lephone ................ .........................2 40, 242
Con necting amob ilephon e(P ass‐
ke y) ........ .............................................. 243
Con necting amob ilephon e(Se cure
Sim plePairing) .................................... 243
Fu nctio nsinthete lephon emen u........ 243
No tes ..................... .............................. 240
Oper ating modes ................................. 242
Te lephon emen uov ervie w ...................2 42
Wi reless chargin g(mob ilephon e)........ 111
Te lephon yoper ating mod es
Blue tooth®
Te lephon y.......................... 242
Te mp eratur e
Se tting theve hicle interior temp era‐
tur e...... .......................................... ...... 127
Te mp eratur egr ade .................................. 308
Themes Fastening ............................................. 230
Thr ough-load ingfeatur e
see Seat
TIN (TireIden tificati onNumbe r)........... .309
Ti re and Loading Information placard... 304
Ti re charact eristics .................................. 311 Ti
re inf lation com pressor
see TIREF ITkit
Ti re informa tion table .............................3 04
Ti re labeling .............................................3 08
Cha racter istics <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> .........311
DO T,Tire Identif ication Number (TIN)
..... ..... ............................................. ......3 09
Load index....... ....................................311
Load-be aring capaci ty..... ............... ......3 11
Maximum tireload ........................... ....3 10
Maximum tirepr essur e........................ 310
Ov ervie w .......................................... ... 308
Speed rating ........... .............................311
Te mp eratur egr ade .............................. 308
Ti re Qua lityGradi ng .......... ................... 308
Ti re size designation ........................ ....3 11
Tr act ion grade ................................ .....3 08
Tr ead weargrade ............................ .....3 08
Ti re load (maximu m)...............................3 10
Ti re pres sur e<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 299,300
Ch ecking (manually) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 300
Ch ecking (tirepr ess uremoni toring
sy stem) .......................................... ..... 302
Maximum ............................................. 310 No
tes ................................................... 297
Re star tin gth etir epr essur eloss
wa rning system ................................... 303
Re star tin gth etir epr essur emonit or‐
ing system ...........................................3 02
Ti re pressur eloss warning system
(funct ion)............................................. 303
Ti re pressur emonit oring system
(funct ion)............................................. 300
Ti re pressur eta ble .............................. 299
TIREF ITkit ...........................................2 79
Ti re pres sur elo ss wa rning system
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>303
Re star tin g............................................ 303
Ti re pres sur emoni tor
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>300
Re star tin g............................................ 302
Ti re pres sur emoni toring system
Chec kingth etir epr essur e.................. 302
Chec kingthetir ete mp eratur e............ 302
Ti re pres sur etab le<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 299
Tir eQual ityGradin g<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 308426
Index