fuel MERCEDES-BENZ E CLASS 2021 Service Manual

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(/ page280) . #
Mak esur 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. 40
4
Disp lay 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 405

Ac
tiv eSpe edLimit Assist <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 187
Dis play <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 187
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>187
Ac tiv eSte ering Assis t.............................1 90
Ac tivati ng/d eactiv ating ........... ............192
Ac tiveEmerg encyStop Assis t.............1 92
Ac tiveLa ne Chang eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011> 192
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>190
Sy stem limits ....................................... 190
Ac tiv eTr af fic Jam Assis t
Ac tivati ng/d eactiv ating ........... ............190
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>189
Ad aptiv ecr uise contr ol
see ActiveDis tance AssistDIS TRONI C
Ad aptiv eHighb eamAssist
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>126
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 127
Ad aptiv eHighb eamAssistPlus
Ac tivati ng/d eactiv ating ........... ............128
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>127
Ad diti ves.................................................. 346
En gine oil............................................ 346
Fu el ..................................................... 346 Ad
diti ves(engine oil)
see Additiv es
Ad diti ves(fuel)
see Fuel
ADS PLUS dam ping system
see AIR BO DY CONTR OL
Ad versewe ather light ....... ......................125
Af ter-sales service center
see ASSYSTPL US
Air bag
Re duced protect ion ...............................4 5
AIR BODY CONT ROL................................ 207
Se tting ............................................ .....2 08
Suspe nsion .......................................... 207
Air conditio ningmenu
Ca lling up ....... ................................... ..138
Air distribut ion
Se tting ............................................ .....1 37
Se tting (MBU Xmul time diasy stem) ..... 139
Air freshen ersystem
see Perfume atomiz er
Air inle t
see Air-water duct Air
pressu re
see Tire pressur e
Air suspension
see AIRBODY CONTR OL
Air vents ................................................... 142
Ad jus ting (front) ............ ...................... 142
Ad jus ting (rea r) ............ ........................ 143
Glo vebox.............................................1 43
Air vents
see Airvents
Ai r-condi tioningsystem
see Climat econ trol
Air -recir cula tion mode............................ 140
Air -water duct .......................................... 281
Ke eping free ........................................2 81
Airb ag.........................................................4 2
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 3 Inde
x41
5

0075
Front LeftMalfunction Service
Re quired (exa mp le) .............................3 53
00B6 FuelLevelLo w ............................ 365
00B6 GasCap Loose ...........................3 65
0025 Inoper ativeSee Oper ator's
Manu al....... .............. ........................... 385
00E5 Inoper ativeSee Oper ator's
Manu al....... ......................................... 386
007A Inoper ativeSee Oper ator's
Manu al....... ......................................... 387
0053 Inoper ative....... .......................... 388
: Intell.Ligh tSy stem Inoperativ e
... ............ ..............................................3 59
Á KeyNo tDe tected (red displ ay
messa ge).............................................3 57
Á KeyNo tDe tected (whit edis‐
pl ay messa ge).....................................3 56
0075 LeftSide Curtain Airbag Mal‐
fun ction ServiceRe quired (exa mp le) ...3 53
¢ Lowe ring <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ...........383 ä
Malfunctio nDr ive at Ma x.50
mp h..................................................... 382
: Malfunction SeeOper ator ’s
Manual ................................................ 358
Á ObtainaNe wKe y.......................3 56
ç Off....... ....................................... 376
00D9 Off..............................................3 74
0049 Parking Brak eSee Opera tor's
Manua l...... .......................................... 369
0077 PleaseCor rect Tire Pressur e...... 393
0049 Please Release Parking Brak e.....3 72
00D9 Please WaitChar ging 48VBat ‐
te ry … <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 391
006F Rear Lef tBac kres tNo t
La tched (exa mp le) ...............................3 63
Á Replace KeyBat tery <0011001100110011001100110011001100110011001100110011001100110011
001100110011> 356
003D SeeOperator's Manua l...... ........389
0075 SRSMalfunction Service
Re quired .............................................. 353 Ù
Steer ing Malfunct ionIncreased
Ph ysical Effort See Operator's Man‐
ua l...... ................................................. 361
Ù Steer ing Malfunct ionStop
Immediat elySee Oper ator's Manual ....3 61
003D Stop Vehicle LeaveEngi neRun‐
ning <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011>.....390
003D Stop Vehicle SeeOper ator's
Manual ................................................ 390
00CC Stop Vehicle Vehicle TooLo w ..... 382
ç Suspended ................................. 376
: SwitchOf fLig hts <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 359
: SwitchOn Hea dlamps ................ 359
0049 Turn On theIgnit iontoRelease
th ePa rking Brak e................................ 373
0072 Vehicle Ready toDrive Swi tch
th eIgnit ionOffBef oreEx iting .............. 361
00CC Vehicle Rising Please Wait.......... 383
00CC Vehicle Rising ............................. 383
0077 Warning Tire Malfunction ........... 394 422
Index

ESP
®
Cr osswi ndAssis t.................................1 76
ESP ®
(Electr onicStabil ityProg ram) ....... 175
Ac tivati ng/d eactiv ating ........... ........... .176
Fu nctio n/no tes .................................... 175
Ext erior light ing
see Ligh ts
Ext erior light ing(car e)............................ 285
Ext erior mir rors <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 133, 134
Anti-g lare mode (automatic) ................1 34
Au tomatic mirrorfo lding function ........ 136
Fo lding in/out .....................................1 33
Oper ating thememor yfunc tion ..........1 05
Pa rking posit ion.............................. .....1 35
Se tting ................................................. 133 F
Fa tig ue detection
see ATTENTION ASSIST
Fi re extin gui she r<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> ...............289
Fi rs t-aid kit(sof tsi ded) <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> ....289
Fl aco n
Inse rting/ remo ving .............................. 141 Flat
tire .....................................................2 90
Cha nging awhe el....... .........................333
MOExt ended tires ....... .........................290
No tes .................................................. 290
TIREFIT kit...........................................2 92
Flat towing
see Tow- bar system
Floor mats................................................ 120
Fo glight (ext ended rang e) ......................1 25
Fo ilco vering
Ra dar and ultrasonic sensors........ ...... 172
Fr ag rance
see Perfume atomiz er
Fr ee sof tware ............................................ 34
Fr eq uencies
Tw o-w ayradio ................................ ...... 341
Fr ont airbag (driver ,fr ont passeng er).....4 2
Fr ont passeng erseat
see Seat
Fu el ...........................................................3 46
Ad ditiv es........................................ .....3 46
E1 0 ....... .......................................... ..... 345 Fu
elreser ve <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 346
Ga sol ine <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 345
Qua lity (gas oline )<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 345
Re fuel ing ............................................. 162
Sul fur cont ent <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 345
Ta nk cont ent <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ...............346
Fu nction seat
see Door controlpanel
Fu ses ........................................................ 305
Bef orere placing afuse ........................ 305
Dashboar dfuse box.............................3 07
Fu se assignment diagram...................3 05
Fu se boxin theengine compartmen t.. 306
Fu se boxin thefront -passen gerfo ot ‐
we ll...................................................... 307
Fu se boxin thetrunk ........................... 308
No tes .................................................. 305
Fu ses
see Fuses G
Gar agedoor opener
Clea ring thememor y........................... 168
Opening orclosing thedoor ................1 68 Inde
x42
7

Multimedia
system
Collision detection (parked vehicle) ..... 171
Multimedia system
see Display(mult imedia system)
see MBUX Interior Assis tant (mu lti‐
med iasystem)
see MBUX multimedia system
see Touc hpad N
Na vig ation
No tes ................................................... 245
Ov ervie w ...... .................................... ... 246
Sho wing/hi ding themenu ............... ....2 45
Switc hingon....... ............................ ..... 245
Na vig ation
see Destination entry
see Map
see Route
Ne utr al
Inser ting.............................................. 159
No teson breaking-in ane wvehicl e...... .147 O
Occupant safety
see Airbag
see Automatic front pass engerfront
airb agshut off
see Pets intheve hicle
see PRE-S AFE®
(anticipat oryoccu‐
pant protect ion)
see PRE-S AFE®
Im pulse Side
see PRE-S AFE®
PL US (antic ipatory
occupant protect ion plus)
see Restra int system
see Seat belt
Oil see Engine oil
On-boar dcom puter................................. 228
Displa yingtheser vice duedate........... 274
Hea d-up Display menu ............ .............231
Multifunction display........................ ... 230
Oper ating ............................................ 228
Ov ervie wof menus .............................. 228
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 6
Oper ating fluids
Ad ditiv es(fuel) .................................... 346
Br ak efluid ...........................................3 47
Coolan t(en gine) .................................. 348
En gin eoil ............................................ 346
Fu el(gasoline) .....................................3 45
No tes .................................................. 344
Re frig er ant (airconditio ningsystem) ...349
Wi ndsh ield wa sher fluid ...................... 349
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 Inde
x433

Po
we rwi ndo ws
see Side windo ws
PRE-S AFE®
(anticipat oryoccupant
pr otection) .................................................5 0
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 50
PR E-S AFE ®
Sou nd<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ........50
Re versing measur es.............................. 50
PRE- SAFE®
Im pulse Side...........................5 1
Ac tivati on ........... ...................................37
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 51
PRE-S AFE®
PL US (anticipat oryoccu‐
pant protection plus).................................5 1
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 51
Re versing measur es.............................. 50
Pr eve ntativ eoccupant protection sys‐
te m
see PRE-S AFE®
(anticipat oryoccu‐
pant protect ion)
Pr ofile ............... ........................................2 39
Cr eati ngane wprofile ....... ................... 241
No tes ............... ................................... 239
Selecting profile options .................. ....2 41 Pr
og rams
se eDY NA MIC SELE CT
Pr otecting theen vir onmen t
No tes ..................................................... 20
Pr otection agains tcollision ............ 223,224
Pullin gaw ay
see Driving tips Q
QR code
Re scue card.......................................... 30
Qualif iedspecialis two rkshop .................. 27 R
Ra dar and ultrasonic senso rs
Dam age ............. ..................................172
Ra dio
Ov ervie wof thefunc tionsand sym‐
bols ..................................................... 268
Ra dio ope ratin gper mits <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> ..342
Ra in-closing featur e
Slid ingsunr oof ......................................84 Re
ading lamp
see Interior lighting
Re ading light
Switc hingon/of fwit hhand move‐
ments .................................................. 239
Re ar door s(c hild safetyloc k) .................. 63
Re ar foglam p
Switc hingon/off.................................1 22
Re ar seat
see Seat
Re ar vie wcamer a....... .............................210
Car e.................................................... 285
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 210
Re ar windo w
Ro ller sunblin d.......................................8 7
Re ar windo wheat er....... ......................... 137
Re flectiv esaf etyve st <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 288
Re frig er ant (air conditioni ngsystem)
No tes .................................................. 349
Re fueli ng
Re fuel ingtheve hicle ........................... 162 Inde
x435

Ste
ering wheel heater
Swit ching on/ off............................ .....1 03
Ste ering wheel padd leshif ters .............. 160
St orag ear eas
see Stor ag ecom partmen t
St orag ecom partmen t........... ..................108
Ar mr est<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>.......108
Cen terconsole .................................... 108
Doo r............ ............ ............................108
Glo vebox.............................................1 08
St orag ecom partmen ts
se eSt or ag ecom partmen t
St orag espa ces
USB ports...................................... ...... 108
St ow agear eas
see Load ing
St ow ageco mp artments
see Load ing
Sugg estion s
Conf iguring <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011>241
Sulfur content......................................... 345
Sur round lighting
Switc hingon/of f...... ........................ ... 129 Sur
round View
see 360° Camer a
Sur round viewcamer a
Ca re <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 285
Sus pen sion
Ad jus ting thech assis leve l(AI R
BO DY CONTR OL) .................................2 08
Dam ping charact eristic s...................... 207
DY NA MIC BODY CONTR OL............ ...... 207
Suspensi on
see AIRBODY CONTR OL
Switc h-offdela ytime
Ext erior ................................................ 129
Int erior .............................................. ... 130
Sync hronization function
Ac tivati ng/d eactiv ating (MBUX mul‐
tim ediasystem) .............................. ..... 140
Swi tching on/of f(contr olpa nel )......... 139
Sy stem settings
Ov ervie wof thesy stem settings
menu ....................................................2 41 T
Ta ilpip es(car e)........................................ 285
Ta nk cont ent
Fu el ..................................................... 346
Re ser ve(fuel) ...................................... 346
Te ch nical data
Inf ormation .......................................... 340
Ra dio oper ating permits ...................... 342
Te lephone .........................................2 51,253
Conn ecting amobile phone(Pass‐
ke y) .....................................................2 54
Con necting amob ilephon e(Se cure
Sim plePairing) .................................... 254
Fu nctio nsinthete lephon emen u........ 254
No tes ................................................... 251
Oper ating modes ................................. 253
Te lephon emen uov ervie w ...................2 53
Wi reless chargin g(mob ilephon e)........ 119
Te lephon yoper ating mod es
Blue tooth®
Te lephon y.......................... 253
Te mp eratur e
Se tting theve hicle interior temp era‐
tur e...................................................... 137 Inde
x439

0049
Electricpa rking brak eindic ator
lam p(red) (USAonl y).......................... 406
003D Electrical malfun ction warning
lam p...... .............................................. 405
00B9 Engine diagno siswarning lam p.. 404
00BB ESP®
OFF warning lam p.............. 411
00E5 ESP®
wa rning lam pflashes .........4 10
00E5 ESP®
wa rning lam plight sup .......4 11
00B6 Fuelreser vewarning lam p
fl ashes .................. ...............................4 05
00B6 Fuelreser vewarning lam p
light sup .............................................. 405
Ù Powe rst eer ing warning lam p
(r ed) .................................................... 402
00C6 Recup erati ve Brak eSy stem
wa rning lam p(US Aonl y).....................4 07
0075 Restra int system warning lam p.. 401
00E9 Seatbeltwarning lam pflashes ...4 01
00E9 Seatbel twa rning lam plight s
up .......... .............................................. 402 ä
Suspen sionwarning lam p(yel‐
lo w) ................................................ .....4 09
0024 Theelectricpar king brak e(yel‐
lo w) indi catorlamp <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 406
0077 Tire pressur emonit oring sys‐
te m wa rning lam pflashes .................... 412
0077 Tire pressur emonit oring sys‐
te m wa rning lam plight sup .................. 413
L Warning lam pfo rdis tance
wa rning func tion ............................ .....4 09
Wa rning/indicat orlam ps.......................3 99
Ov ervie w ....... ................................... ...399
PA SSENGER AIRBAG .............................4 7
Wa rranty ....................................................2 9
Wa sher fluid
see Windsh ield wa sher fluid
Wa shing byhand (care)...... ....................283
Wa terta nk
see Air-water duct
We ather information ...............................250 We
bbr ow ser
Ov ervie w(multimedia system) ............ 260
Wheel chang e
Lo we ring theve hicle ............................3 37
Mounting ane wwheel ........................ 336
Re mo ving awhee l..... ..........................3 36
Re mo ving/ins talling hubcaps .............3 33
Whee lro tat ion .........................................3 32
Whee ls
Ca re <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 285
Ch ang inghubcap s<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 333
Ch ecking <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 309
Ch ecking thetir epr essur e(man‐
ually) ....................................................3 13
Chec kingth etir epr essur e(tir epr es‐
sur emonit oring system) ......................3 15
Def initio ns ............. ..............................326
DO T,Tire Identif ication Number (TIN)
..... ........................................................3 22
Flat tire ....... ......................................... 290
Ins talling .............................................. 336
Load index...........................................3 24
Load-be aring capaci ty.........................3 24
Maximum tireload .............................. 323
Maximum tirepr essur e....................... 323 444
Index