warning light MERCEDES-BENZ E-CLASS COUPE 2021 Owner's Guide

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
If th ecoolant temp eratur edispla yis at thelowe rend ofthete mp eratur escale: #
Consult aqu alif ied spec ialistwo rkshop.
If th ecoolant temp eratur edispla yis at theupper endofthete mp eratur escale: #
Exitth eve hicle andkeep asaf edis tance from itunti lth eengine hascooled down. #
Chec kth ecoolant leve l(/ page27 5). #
Makesur eth at theair supply tothera diat orisno tobs truct ed. #
Avoiding highloads ontheengine, drive to thenear estqu alif ied spec ialistwo rkshop. Indoing so,ensur eth at the
cool anttemp eratur edispla yre mains belowthere dar ea.
ÿ Coolant warning lam p(yel‐
lo w) *T
he yello wcoolan twa rning lam pis lit while theengine isrunning .
Po ssible causes:
R The temp eratur esensor ismalfunct ioning
R The charge air,tr ans miss ionoilorbat tery cool ingisfaulty #
Avoiding highloads ontheengine, drive to thenear estqu alif ied spec ialistwo rkshop.
00B9
Engine diagnosis warning
lam p *T
he yello wChec kEn gine warning lam pis lit while theengine isrunning .
A ma lfunctio nha soccu rred intheengine, theex haus tsy stem orthefuel system.
The emission limitvalues maybe exc eeded andtheengine maybe inemer gency mod e.
In som est at es, legalrequ iremen tsstipulat eth at youmus timm ediat elyco nsult aqu alif ied spec ialistwo rkshop as
soon astheye llo wChec kEn gine warning lam plight sup. 400
Display mess ages and warning/ indic ator lam ps

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
Have theve hicle checkedas soon aspossible ataqu alif ied spec ialistwo rkshop.
003D Electr icalmalfunction warn‐
ing lam p *T
heredelect rical fault warning lam pis lit.
Ther eis afa ult intheelectr ics. #
Notethemessag eson themultifunc tiondispla y.
00B6
Fu elreser vewarning lam p
fl ashes *T
he yello wfuel reser vewarning lam plight sup while youar edr ivin g.
Ther ehas been press ureloss inthefuel system. Thefuel filler cap isno tclos edcor rectl yor thefuel system isleak‐
ing. #
Close thefuel filler cap.
If th efuel filler cap hasalready been closedcor rectl y: #
Consul ta qu alif ied spec ialistwo rkshop.
00B6 Fu elreser vewarning lam p
light sup *T
he yello wfuel reser vewarning lam plight sup while theengine isrunning .
The fuelsu pp lyhas dropped intoth ere ser verang e. #
Refuel . Displ
aymessa gesand warning/ indic ator lam ps 40
1

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. 402
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 e18 9).
ä Sus pens ion wa rning lam p
(y ello w) *T
he yello wAIR BO DY CONTR OLwarning lam pis lit.
The yello wDY NA MIC BODY CONTR OLwarning lam pis lit.
A malfun ction has occurredin theAIR BODY CONTR OL.
A malfu nction hasoccur redin theDY NA MIC BODY CONTR OL. #
Notethemessag eson themultifunc tiondispla y. Dis
play messa gesand warning/ indic ator lam ps 405

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. &
WARNIN 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. &
WARNIN 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 40
7

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. &
WARNIN 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 409

Hazar
doussubstances
Inf ormation .......................................... .... 23
Head leve lheat ing(AIRSC ARF).................. 99
Head restra int
Fr ont (adjus tingmechanicall y)................ 93
Re ar passe nger com partment
(adj ustin g)...............................................9 5
Head-up Display
Ad jus ting disp lay el eme nts(on-bo ard
com puter)....... ................ .................. ..... 227
Ad jus ting thebr ightn ess(on-boar d
com puter).. ............ ........................... ..... 227
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>226
Menu (on-bo ardcom puter)....... ........... ..227
Oper ating thememor yfunc tion............ 104
Se tting theposition (on-boar dcom‐
put er)....................................................2 27
Swi tching on/of f.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 228
Head lamps
see Automatic driving lights
Headlin er(car e)..... ....................................2 81
Heating see Climat econtr ol Help
call
see Mercedes-Benz emergencycallsystem
High beam
Ac tivati ng/d eactiv ating........... ..............117
High-be amflasher .....................................117
High-be amheadlam ps
Ad aptiveHig hbeam Assis t............... ...... 121
Ad aptiveHig hbeam Assis tPlus ........ .....1 22
Highw aymode ........... ............ ....................120
Hill star tassi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 173
HOLD functio n
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 172
Swi tching on/of f.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 172
Home screen (media display)
Ov ervie w... ...... .................................... ..230
Hood Opening/clo sing................................ .... 271 I
Iden tificat ionplate
Engi ne............ ............. .......................... 337
Re frig er ant....... .................................... .3 44
Ve hicle. ............................................. ....3 37 Ignit
ion
Swit ching on(Start/S topbutt on).......... 140
Ignit ionkey
see Smar tKey
Imm obiliz er..................................................8 5
Indi catorlam ps
see Warning/ indic ator lam ps
Individ ualdrive pr og ram
Con figur ing.. .......................................... 153
Sel ecting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 153
Insid ere ar vie wmir ror
see Exterior mir rors
Insp ectio n
see ASSYST PLUS
Ins trument cluster
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 222,223
In stru men tDi spl ay
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 223
Ins trume ntclu ster ................................... 10
Wa rning/ indic ator lam ps...................... 395
Ins trum ent Displa yand on-boa rd
com puter
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 22242
4
Inde x

Int
ellig entLight System
Ac tivati ng/d eactiv ating........... ..............120
Ac tivelight functio n.<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 119
Ad aptiveHig hbeam Assis t..................... 121
Ad aptiveHig hbeam Assis tPlus .............1 22
Ad versewe ather light ...................... ...... 120
City lighting.... .......................................1 20
Cor nering light. ....... ............................ ...119
Fo glight (extended rang e)<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 120
High waymod e.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 120
Ov ervie w.. .......................................... ....1 19
Int erior ligh ting
Ad jus ting ............ ................................... 124
Ambi entlighti ng........... <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> .....125
Re adin glam p.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 124
Swi tch-of fdel aytim e..... ........... .............125
Int erior motion sensor
Ac tivati ng/d eactiv ating........... ................88
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 87
Int erne tra dio
see TuneIn
Io nizatio n
Ac tivati ng/d eactiv ating (MBUX mul‐
tim ediasystem) ................................. ....1 36 iPho
ne®
see Smar tphone integr atio n J
Jac k
St or ag elocation. ................................... 327
Jum p-startconnec tion
Gener alno tes.. ...................................... 292 K
KEYLESS- GO
Loc kingth eve hicle ..................................6 9
Pr oblem. .................................................. 70
Un loc kin gse tting.... ................................ 66
Un loc kin gth eve hicle.... .......................... 69
Kic kdo wn
Using... ............................................. ..... 157
Knee airbag .................................................. 42 L
Label ing(tires)
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.................................................. 56
Le velcontr olsystem
see AIR BO DY CONT ROL
Light switch
Ov ervie w................................................1 16
Light ing
see Inte rior lighting
see Lights
Lights Activelight functio n.<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 119
Ad aptiveHig hbeam Assis t.....................1 21
Ad aptiveHig hbeam Assis tPlus .............1 22
Ad versewe ather light ............................ 120 Inde
x425

Pa
rking Assis tPA RK TRONI C
Ac tivati ng........... ................................. ...214
Ad jus ting warning tones <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 215
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>211
Swi tching off.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 214
Sy stem limit ations. ........................... ..... 211
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.. .............. 166
Pa rking light s.............................................1 16
Pa rking posit ion
Ex terior mir rors<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 131
St or ing theposition ofthefront -
passeng eroutside mirrorusi ng
re ve rsege ar...................................... .... 132
PA SSEN GERAIRBAGstatus displa y
see Automatic front pass engerfront
airb agshut off
Pa yload
Calculat ionexam ple.............................. 314
De term inin gth emaximum... .................. 313 Pe
rfume
see Perfume atomiz er
Pe rfume atomizer
Inser ting/r emoving theflacon.. .............1 36
Se <00570057004C0051004A00110011001100110011001100110011001100110011
00110011> ......................................136
Pe rfume vial
see Perfume atomiz er
Pe riod out ofuse
Ac tivati ng/d eactiv ating standb ymode. .167
St andb ymode function.. .................. ...... 167
Pe rm itted towing methods.. .................... 295
Pe ts inthe vehicl e...... .................................63
Plas tictrim (Car e)............ .........................2 81
Po we rcl os ingfun ction
Doo r......... ............. ..................................71
Po we rsupp ly
Swi tching on(Start/S topbutt on).... ...... 140
Po we rwa sher (care)................................. 277
Po we rwi ndo ws
see Side windo ws PRE-S
AFE®
(anticipat oryoccupant
pr otection)
Fu nctio n.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 50
PR E-S AFE ®
Sou <0051004700110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 50
Re versing measur es................................ 50
PRE- SAFE®
PL US (ant icipa tory occu‐
pa nt protection plus)
Fu nctio n.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 50
Re versing measur es................................ 50
Pr ev entat ive occupa ntprotection sys‐
te m
see PRE-S AFE®
(anticipat oryoccu‐
pant protect ion)
Pr ofile
Cr eating ane wprofile ........................... 237
No tes... .................................................2 35
Selecti ngprofile options.......... .............. 237
Pr og rams
se eDY NA MIC SELE CT
Pr otecting theen vir onmen t
No tes... ....................................................2 0
Pr otection agains tcollision .............. 219, 22 0 43
0
Inde x

Ro
ofload .................................................... 347
Ro oflugg agera ck
Loadi ng..... ............................................. 111
Secu ring............. <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ...........111
Ro ute
Ca lcul ating .................. ..........................244
Sel ecting options <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 244
Ro uteguidanc ewith augment edreal‐
ity
Activati ng........... ...................................244
Dis play ing stre et nam esand house
num bers<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 244
Ro ute-base dspee dadap tation
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>183
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 184
Ru n-f lat charact eristics
MOExt ended tires ....... ........................... 285 S
Saf etysy stems
see Drivin gsaf etysy stem
Sat ellit era dio
Logg ing<004C005100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 268Se
tting musicand sportaler ts.......... .... 268
Sear chlight
Swit ching on/ offwit hhand move‐
ments......... ........................................ ... 235
Seat 4-waylumbar support.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 93
Ad jus ting (electr ica lly<000C001100110011001100110011001100110011001100110011001100110011
0011> .............93
Ad jus ting (manuallyand electr ically)....... 92
Ad jus ting (mechanic allyand electri‐
call y)................................................. .......9 0
Au tomatic seatadjustment ............... ......9 5
Bac kres t(r ea r)loc king <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> ......109
Con figur ing these ttings. .........................9 5
Cor rect driver's seatpos iti<0052005100110011001100110011001100110011001100110011001100110011
0011001100110011> 89
Fo lding thebac kres t(r ear passeng er
com partmen t)bac k.<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 108
Fo lding thebac kres t(r ear) forw ards ...... 107
Fo lding thebac kres tfo rw ards/ back
(wit hmem oryfun ction )...........................9 7
Massag epr ogr am overview. <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 96
Ope rating thememor yfunc tion............ 104
Pa nel hea <0057004C0051004A001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>99
Re settin gth ese ttings... ........................... 97
Se tting options <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 14
Swi tching AIRSC ARFon/of f.<0011001100110011001100110011001100110011001100110011001100110011
001100110011> 99Wo
rkout progr am overview. .....................9 6
Seat belt
Car e.... ................................................... 281
Fa stening.. ............................................... 40
Pr otect ion................................................ 37
Seat beltadjustment
Ac tivati ng/d eactiv ating........... ................41
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 41
Seat beltextender ....................................... 40
Seat beltwarning
see Seat belts
Seat belts
Ac tivati ng/d eactiv ating seat belt
ad jus tment ........... ...................................41
Re duced protect ion.. ...............................3 8
Re leasing .................................................4 2
Sea tbel tad jus tment (function) ............... 41
Sea tbel tex tende r.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 40
Wa rning lam p..........................................4 2
Seat cover(C are)...... ............ ..................... 281
Se at hea ting
Ac tivati ng/d eactiv ating........... ................97 432
Index