key MERCEDES-BENZ E CLASS 2021 Service Manual

Connect
ingusin gabut ton #
Select theop tion s0048 ofthedesir edWi-Fi
ne twork. #
Select Connect viaWPS PBC. #
Select "Connect viaWPS PBC"in theop tion s
on thede vice tobe con nected(see theman‐
uf actur er'soper ating instruction s). #
Press theWPS buttonon thede vice tobe
con nected. #
Select Continue inthemultimedia system.
Ac tiv atin gaut omati cco nn ectio n #
Select Connect viaWi-Fi. #
Select theop tion s0048 ofthedesir edWi-Fi
ne twork. #
ActivatePe rma nent InternetConnecti on.
Co nnectin gwi th akno wnWi-Fi #
Sele ctConnect viaWi-Fi . #
Sele ctaWi -Fi network.
The conn ection ises tablished again. Conf
iguringthemu ltim edia system asaWi -
Fi ho tspo tfo rex tern al de vic es
The type ofconnection established depends on
th ede vice tobe con nected. The func tion must
be suppor tedby themultimedia system and by
th ede vice tobe con nected. The type ofcon nec‐
tion established mustbe select edon themulti‐
media system and onthede vice tobe con nec‐
te d. #
Select Vehicle Hotspot. #
Select Connec tDevic eto Vehicle Hotspot.
Connecting usingWPSPINgener ation #
Select Connec tvia WPS PINGeneration. #
Enterth ePIN showninthemedia displayon
th ede vice tobe con nectedand confirm .
Connect ingusin gWPS PINentr y #
Sele ctConn ectviaWPS PINInput. #
Enterth ePIN that issho wnontheex tern al
de vic e's displa yon themultimedia system.
Connecting usingabutt on #
Select Connec tvia WPS PBC. #
Press thepush buttononthede vice tobe
con nected(see themanuf acturer'soper ating
ins truction s). #
Select Continue.
Connecting usingasecur itykey #
Select Connect DevicetoVeh icleHotsp ot.
A secu rity keyis disp laye d. #
Select theve hicle from thede vice tobe con ‐
nec ted. The vehicle isdispla yedwit hth e
DIR ECT -MBU XXXX XXnetworknam e. #
Enterthesecur itykeywhic his sho wninthe
media display on thede vice tobe con nected. #
Conf irm theent ry.
Connect ingusin gNFC #
Sele ctConn ectviaNFC. #
ActivateNFC onthemobile device (see the
manuf acturer'soper ating instructions). #
Hold thede vice tobe con nectedat theve hi‐
cle's NFCinterface. #
Sele ctFini shed.
The mob ile de vice isno wconnect edtothe
multime diasystem hotspo tvia NFC. 24
4
MBUX multimedia system

Gene
ratin gane wse cur itykey #
Select Veh icleHotsp ot. #
Select Genera teSecu rityKey.
A connecti onwillbe established withth e
ne wly crea tedsecur itykey. #
Tosave asec urity key:select Save.
When ane wsecur itykeyis save d, all existin g
Wi -Fi conne ctionsareth en discon nected.If
th eWi -Fi conne ctionsarebe ing re-es tab‐
lished, thene wsecur itykeymus tbe entere d. Na
vig ation No
teson navig ation Ro
uteguidanc ewith augment edreality &
WARNIN GRisk ofacci dent andinjuryas
a re sult ofdis traction, incorrect dep ic‐
tion orwrong interpr etatio nof thedis‐
pla y
The camer aimag eof theaugment edrealit y
displa yis no tsuit able asaguide fordr iving. #
Alw ayske ep aneyeon theactual traf fic
situation. #
Avoid extende dob ser vatio nof thecam‐
er aimag e. &
WARNIN GRisk ofacci dent andinjury
due toimprecise positioningof addi‐
tion alinf ormatio n
The addition alinf ormatio nfrom theaugmen‐
te dre alit ydispla yis no ta subs titutefo r
obser vingtheactual driving situation . #
Alw ayske ep aneyeon theactual traf fic
situation whencarrying out alldrivin g
mane uvers. Switc
hingnavig ation on Multim
ediasystem:
4 © 5
Navigation (Navigation ) #
Alternat ivel y: press thez button.
The map showstheve hicle's current posi‐
tio n.The navig ation menu issho wn. The
navig ation menu ishidd en ifro uteguid‐
anc eis act ive. #
Tosho w:tapon theto uc hsc reen.
The menu ishidden automatic ally. MBUX
multimedia system 24
5

Cleani
ngand care No
teson washing theve hicl ein acar wash &
WARNIN GRisk ofacci dent dueto
re duced braking effect afte rwa shing the
ve hicle
The braking effect isreduced afte rwa shing
th eve hicle. #
Afterth eve hicle hasbeen washed,
br ak ecar efully whilepaying attention to
th etraf fic condi tions untilth ebr aking
ef fect hasbee nful lyrestor ed. *
NO
TEDama gefrom automatic braking If
one ofthefo llo wing functionsis switc hed
on, theve hicle brak es aut omatically incer‐
ta in situat ions:
R ActiveBr ak eAssi st
R ActiveDis tance AssistDIS TRONI C
R HOLD functio n
R ActivePa rking Assist To
avo iddamag eto theve hicle, deactiv ate
th ese systems inthefo llo wing orsimilar sit‐
uation s: #
Dur ing towing #
Inacar wash *
NO
TEDama gedue touns uitable car
wa sh #
Beforedr iving intoacar wash mak e
sur eth at thecar wash issuit able for
th eve hicle dimensions. #
Ensur eth er eis suf ficie ntgrou nd clear‐
ance between theunderbody andthe
guide rails ofthecar wash. #
Ensur eth at theclear ance widthof the
car wash, inpar ticular thewidt hof the
guide rails, issuf ficie nt. To
avo iddamag eto your vehicle when usinga
car wash, ensur eth efo llo wing beforehand:
R ActiveDis tance AssistDIS TRONI Cis de acti ‐
va ted.
R The HOLD function isswitc hedoff. R
The surround viewcam eraor there ar vie w
cam erais swit ched off.
R The side windo wsand slidin gsun roof are
com pletely clos ed.
R The blowe rfo rth eve ntil ation/he ating is
sw itched off.
R The windsh ield wipe rsw itchis in po sitio n
005A.
R The Sma rtKe yis at amin imum distance of
10 ft(3 m) away from theve hicle. Other wise,
th etrunk lidcould openunintentionall y.
R Forcar washes withacon veyo rsy stem: neu‐
tr al 005C iseng aged.
% Incar washes withacon veyo rsy stem: ifyo u
lea vetheve hicle while itis being washed,
mak esur eth eSmar tKey islocat edinthe
ve hicle. Theparkposition 005Disother wise
aut omaticall yeng aged.
% If,afte rth ecar wash, youre mo vethewa x
fr om thewindshield andwiper rubber s,this
will preve ntsme aring and reduce wiper
noise. 282
Maintenanc eand care

No
teson using apo we rwa sher &
WARNIN GRisk ofan acci dent when
us ing powe rwa sher swit hro und -spr ay
nozzl es
The waterje tcan caus eex tern all yin visi ble
damag e.
Com ponentsdamag edinthis wa yma yune x‐
pec tedly fail. #
Donotuse apo we rwa sher withro und-
spra yno zzles. #
Have damag edtires orchassis parts
re placed immediat ely. To
avo iddamag eto your vehicle, observethefo l‐
lo wing when usingapo we rwa sher :
R The Smar tKey isat amin imum distance of
10 ft(3 m) away from theve hicle. Other wise,
th etrunk lidcould openunintentionally .
R Maint ainadis tance ofat leas t11 .8 in
(30 cm) totheve hicle.
R Vehicl eswith decorativ efo il: par tsof your
ve hicle areco veredwit hadecor ativefo il. Maint
ainadis tance ofat leas t27 .6 in
(70 cm) between thefo il-c ove redpar tsof the
ve hicle andthenoz zleofthepo we rwa sher .
Mo vethepo we rwa sher nozzlearound whilst
cleaning. Thewaterte mp eratur eof the
po we rwa sher mustno tex ceed 140°F
(60°C ).
R Obse rveth einf ormation onthecor rect dis‐
tan ceintheim plement manufacturer'soper‐
ating instruction s.
R Donotdir ect thenoz zleofthepo we rwa sher
dir ectl yat sensitiv epar ts,e.g. tires, gaps,
elect rical com pone nts,batter ies, light sour‐
ces and ventil ation slits. Wa
shing theve hicl eby hand *
NO
TEEngi nedama gedue towa ter
ing ress #
Take car eno tto point thewa terje t
dir ectly towa rdsth eair inle tgr ille belo w
th ehood. Obser
vetheleg alrequ iremen ts,e.g. inanumb er
of coun tries, washing byhand isonl yper mitt ed
in specially designatedwash bays. #
Use amild cleaning agent, e.g.carsham poo. #
Washtheve hicle withluk ewa rmwaterusi ng
a sof tcar spong e.When doingso,donot
ex pose theve hicle todir ect sunlight . #
Carefully hosetheve hicle offwit hwa terand
dr yusi ng ach amois .
% Obse rveth eno teson thecar eof vehicle
par ts(/ page285). No
teson paint work/ma tte finish paint work
car e Obse
rveth eno teson cleaning andcareto avo id
damagin gth epaintw ork.
Pa int
R Insect remains: soakwithinsect remo verand
ri nse offth etreat edareas afte rw ards.
R Birddr oppin gs:soak withwa terand rinse off
af te rw ards. Main
tenance andcare28
3

Smar
tKey Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Á Obtain aNew Key *H
aveSmar tKey replaced. #
Consult aqu alif ied spec ialistwo rkshop.
Á Repla ceKey Battery *T
heSmar tKey batt eryis disc harged. #
Replace thebatt ery(/ page68).
Á Key NotDetected(whit e
displa ymessag e) *T
heSmar tKey iscur rentl yund etect ed. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Ifth eSmar tKey isstill no tre cogni zed,place itin themar kedspace forst ar tin gwit hth eSmar tKey
( / pag e14 6). 356
Displaymessa gesand warning/ indic ator lam ps

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
Á Key NotDetected (red dis‐
pla ymessag e) *T
heSmar tKey canno tbe detected and mayno long erbe intheve hicle.
The Smar tKey isno long erintheve hicle andyouswit choffth eengine:
R Youcan nolongerst ar tth eengine.
R Youcan notcen trally lockth eve hicle. #
Ensur eth at theSmar tKey isin theve hicle.
If th eSmar tKey detection functi onhasa mal functi ondueto ast ro ng radio signal source: #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions. #
PlacetheSmar tKey inthemar kedspace forst ar tin gth eengine withth eSmar tKey (/ pag e14 6).
Á Don't ForgetYour Key *A
warning tone also sou nds. Thismes sage reminds youto take your Sm artK ey wit hyo uwhen youlea vetheve hicle.
Place theKey inthe
Marked SpaceSeeOpera-
tor's Manual *S
mar tKey detection ismal functi oning. #
Chang eth elocation oftheSmar tKey intheve hicle. #
Place theSmar tKey inthemar kedspace forst ar tin gth eengine withth eSmar tKey (/ pag e14 6). Dis
play messa gesand warning/ indic ator lam ps 35
7

Au
tomatic fron tpass engerfr on tair‐
bag shutoff
see Automatic front pass engerfront
airb agshut off
Au tomatic mirrorfo lding function
Ac tivati ng/d eactiv ating ........... ............136
Au tomatic seat adjus tment
Se tting ........... ........... ...................... .......98
Au tomatic trans mis sion
DIR ECT SELEC Tleve r...... .................. ...158
Dr ive pr ogr am disp lay ............ ..............157
Dr ive pr ogr ams............ ........................ 156
DY NA MIC SELE CTswitc h.................... 156
Eng aging drive po sitio n............ ........... 160
Eng aging neu tral ............ ...................... 159
Eng aging park position ........................ 159
Eng aging reve rsege ar .........................1 59
Kic kdo wn ....... ......................................161
Manual gearshif ting.............................1 60
St eer ing wheel paddle shifters ............ 160
Tr ans miss ionposit iondispla y........ ...... 158
Tr ans miss ionposit ions........................ 158 B
BA S(Br akeAssis tSy stem) .....................1 74
Batt ery
Smar tKey <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 68
Batt ery
see Battery(v ehi cle)
Batt ery(v ehi cle) <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 300
Ch arging <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 299
Ch arging (Remo teOnline) .................... 147
No tes .................................................. 296
No tes(s ta rting assis tance and
ch argin g) .............................................2 97
Re placing ............................................ 300
St artin gassis tance <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> .....299
Bel t
see Seatbe lt
Bli nd Spo tAs sist <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 202
Ac tivati ng/d eactiv ating ........... ............205
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>202
Sy stem limit ations ........................... ....2 02
Blo wer
see Clima tecontr ol Br
ak eAs sis tSy stem
see BAS(Br akeAssi stSystem)
Br ak efluid
No tes ................................................... 347
Br ak efo rc edis tribut ion
EB D(elec tronic brak efo rc edis tribu‐
tion )..................................................... 176
Br ak es
ABS (Anti-lock Braki ng System) ........... 174
Ac tiveBr ak eAssi st<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 194
BA S(Br akeAssi stSystem) ...................1 74
Dr iving tips............ ..............................149
EBD (electr oni cbr ak efo rc edis tribu‐
tion )..................................................... 176
HOLD functio n............ .........................177
Limit edbraking effect (sa lt-tr eated
ro ads) .................................................. 149
Ne w/r epla ced brak epad s/brake
discs .................................................... 147
No teson breaking-in ane wvehicle ..... 147
Br akin gass ista nc e
see BAS(Br akeAssi stSystem)
Br eakdo wn
Changing awheel ................................ 333 Inde
x41
7

Ov
ervie wof thehelp functions...... ........ 16
Ro adside Assis tance <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> ....22
To w- star tin g.................................... .... 305
To wing away <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 302
Tr ans portingth eve hicle ......................3 03
Br eakdo wn
see Flat tire
Butt ons
St eer ing wheel .................................... 228 C
Calls Mer cedes me...................................... 256
Camer a
see 360° Camer a
see Rear vie wcam era
Car key
see Smar tKey
Car wash
see Care
Car wash (car e)....................................... 282
Car -to-X -Comm unication
Displa yinghazar dwa rnings ............ .....2 50 Car
e....... ...................................................286
Air -water duct ......................................281
Au tomatic carwash ........................ ..... 282
Car pet............................................. ....2 86
Decor ativefo il ................................ .....2 84
Dis play <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 286
EAS Y-PA CK trunk box...................... .... 286
Ex terior lighting .............................. ..... 285
Headliner ............................................. 286
Matt efinis h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> ...............283
Pa int wo rk <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 283
Pl as tic trim <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 286
Po we rwa sher ................................. ..... 283
Re alwo od/tr imelements ............... ....2 86
Re ar vie wcam era ................................ 285
Seat belt........................................ ...... 286
Seat cover..... ................................... ... 286
Sensor s..... ........................................ .. 285
St eer ing wheel .................................... 286
Sur round viewcam era ........................ 285
Ta ilpipes .............................................. 285
Wa shing byhand .............................. ... 283
Wheels/r ims....................................... 285
Wi ndo ws <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 285
Wi per blades .......................................2 85 Car
gotie-do wnrings ................................ 111
Car pet(Car e)...........................................2 86
Chang eof addr ess ....................................22
Cha ngeof ow ner ship ................................ 22
Changing awheel
Pr epar ation ......................................... 333
Ra ising theve hicle .............................. 334
Changing awheel
see Emer gency sparewheel
Chan ginggears ....... ................................. 160
Manually ..............................................1 60
Chang inghub caps ................................. 333
Char ging
Batt ery(v ehi cle) .................................. 299
Mobi lephone (wireless) .......................1 18
USB port..............................................1 18
Cha ssis leve l(AIR BODY CONT ROL)
Se tting .................................................2 08
Chil dsaf etyloc k
Re ar door s.............................................6 3
Re ar side windows <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 6441
8
Inde x

Eng
aging neu tral ............ ...................... 159
Eng aging park position ........................ 159
Eng aging park position automatic ally .. 159
Eng aging reve rsege ar .........................1 59
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>158
Disp lay(car e)...........................................2 86
Di spla y(MBUX multimedia system)
Hom escr een .......................................2 34
Di spla y(multime diasystem) .................2 35
Oper ating .............. ..............................235
Di spla y(on -boar dco mp uter)
Displ ayson themultifunc tiondispla y.. 230
Displa ymessag e.....................................3 52
Ca lling up (on-boa rdcom puter) ...... ..... 352
No tes ............ ...................................... 352
Displa ymessag es
00B2 ---mp h...................................... 375
ç ---mp h...................................... 375
003D 12VBatt erySee Oper ator's
Manual ................................................ 389
00D7 48VBatt erySee Oper ator's
Manual ................................................ 390 :
ActiveHea dlamps Inoperati ve .... 359
é ATTENTION ASSISTInoper ative.. 374
é ATTENTION ASSIST: Take a
Br ea k! <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>.........375
: Automatic HeadlampMode
Inoper ative..... ..................................... 358
0027 CheckBr ak eFlui dLe vel.............3 73
0026 CheckBr ak ePa ds See Oper a‐
to r's Manua l...... ................................... 374
00BD CheckCoolan tLe velSee Oper‐
at or's Manual ...................................... 364
00B3 CheckEn gine OilAtNe xtRe fu‐
eli ng ...... .............................................. 397
00B3 CheckEngi neOilLe vel(A dd 1
qu art) .................................................. 397
: CheckLef tLo wBeam (exa m‐
ple) ...................................................... 358
0077 CheckTire s ................................ 393
00B2 CheckWa sher Fluid ...................3 63 ÿ
Coolant TooHo tSt op Vehicle
Tu rn Engi neOff............ ........................ 364
00CE Current lyUn available Camera
Vi ew Restrict ed <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> .......381
ç Current lyUn available Radar
Sen sorsDir ty ...................................... 380
0025 Currentl yUna vailable See
Opera tor's Manua l..... ..........................3 84
00E5 Currentl yUna vailable See
Opera tor's Manua l..... ..........................3 86
Á Don't Forget Your Key.................3 57
00CC Drive More Slowly ............ .......... 383
00B3 EngineOilLe velCann otBe
Mea sured <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>..399
00B3 Engine OilLevelLo wStop Vehi‐
cle Turn Engi neOff............ ..................398
00B3 EngineOilPr es su re Stop
Switc hOf fEngin e................................ 399
00B3 EngineOil Reduce OilLevel........ 398 In
de x 42
1

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