2021 MERCEDES-BENZ CLA fuse

St
andb ymode (ext ens ion ofthe star terbat‐
te ry 's per iod out ofuse) St
andb ymode function
% This function isno tav ailable forall model s.
If standb ymode isact ivat ed, energyloss willbe
min imis eddur ing ex tende dpe riods ofnon- oper‐
ation.
St andb ymode isch aract erised bythefo llo wing:
R The star terbatt eryis preser ved.
R The maximum non-opera tionaltime appear s
in themedia display.
R The conn ection toonline services isint erru p‐
te d.
R The ATA(anti-t heftal ar m system) isno tav ail‐
able.
R The interior motionsen sor and tow- aw ay
alar mfun ction sar eno tav ailable.
R The function forde tecting collisions ona
pa rked vehicle isno tav ailable. If
th efo llo wing condition sar efulf illed, standb y
mode canbeact ivat ed ordeac tivated usin gth e
multime diasystem:
R The engine isswitc hedoff.
R The ignition isswitc hedon.
Ex ceeding theve hicle's displayednon -oper a‐
tion altime maycause inconvenie nce, i.e.it can‐
no tbe guarant eedth at thest ar terbatt erywil l
re liabl yst ar tth eengine.
The star terbatt erymus tbe charge dfirs tin the
fo llo wing situat ions:
R The vehicle's non-oper ational timemustbe
ex tende d.
R The Batte ryCh arg eInsu fficie ntfor Stand by
Mod emes sage appear sin themedia display.
% Standb ymode isaut omat icallydeac tivated
when theignition isswitc hedon.
Ac tiv atin g/deac tivatin gst andb ymode (park‐
ing theve hicl efo ran extended period)
Re quirement s:
R The engin eis switc hedoff. Multime
diasystem:
4 © 5
Set ting s5
Vehicle #
Activateor deacti vate Stand byMod e. #
Select Yes. Dr
ivi ng and drivi ng safetysy stems Dr
iving systems andyour responsibility Yo
ur vehicle iseq uipped withdr iving systems
whic hassis tyo uin drivin g,par kingand man eu‐
ve ring theve hicle. Thedriving systems areonl y
aids. Theyar eno ta subs titutefo ryo ur att entio n
to thesur round ingsand donotre lie ve youof
yo ur responsibili typer tainin gto road traf fic law.
The driver isalw aysre sponsible formaint aining
a saf edis tance totheve hicle infront, forve hicle
speed, forbr aking ingood timeandforst ay ing
in lane. Payatt ention tothetra ffic con dition sat
all tim esand interve ne when nece ssary.Be
aw areof thelimit ations rega rding thesaf euse of
th ese systems.
Dr iving systems canneither reduce therisk of
accident ifyo ufa ilto adap tyo ur drivin gst yle nor
ove rride thelaws ofphysics. Theycan notalw ays Dr
iving and parking 15
3

#
Swi tchHig hway Inform ation on oroff. Usi
ngservices Re
quirement s:
R Ther eis an Interne tcon nection .
R Mer cedes meconnectis available.
R Youha ve setup auser account inthe
Mer cedes mePortal.
R The vehicle isconn ectedtoauser accoun t
and youha ve acc eptedth econ ditions ofuse
fo rth eser vice.
Fu rther information canbefound at:
ht tp s:// www .merced es.me
R The serviceis available.
R The servicehas been activat ed atan aut hor ‐
ize dMer cedes-Ben zCent er.
Mult imed iasystem:
4 © 5
Navigation
Displa yingthetraf fic sit uation withLiv eTr af‐
fi c Inf orma tion #
Select Z. #
ActivateTra ffic. #
Select Adva nced. #
Select View . #
Select MapEle ments . #
Swi tchon Tra fficInci dents ,Fre eFlo wing
Tra fficand Delay.
If traf fic inf ormati onhasbee nre cei ved, then
tra ffic inc ident ssuc has roadw orks ,ro ad
bloc ks,local area repor ts(e.g. fog) and warn‐
ing mess ages aredispla yed.
The traffic dela yis displa yedfo rth ecur rent
ro ute. Traf fic del ayslas ting oneminut eor
long erareta ke nint oconsi deratio n.
Di spl aying hazardwa rnings withCar -to-X -
Comm unication
If hazar dwa rnings areav ailable these can be
sho wnassymbols onthemap. Thedispla y
depends onthese ttings forth eTraffic andTraf-
fic Incidents option s. #
Setth eop tion s.
If Traffic isswitc hedoffand Traffic Incidents
is switc hedon,thesymbols aresho wnon
th epr ospect ive ro ute. Disp
laying weather information andother
map contents #
Select Z. #
Select Advanced . #
Select View. #
Select MapElements . #
Scrollup and showtheONLIN EMAP CON-
TENT categor y. #
Swi tchon aser vice ,e.g. Wea ther.
Cu rrent weather informat ionisdispla yedon
th ena vig ation map,e.g.temp eratur eor
cloud cover. 230
MBUX multimedia system

R
Mer cedes-Ben zemer gency callsy stem (aut o‐
matic emergency calland SOS button)
The Mercede sme conne ctAccid ent and Brea k‐
do wn Manag eme ntand theMer cedes- Benz
emer gency callcent erareav ailable toyou
ar oun dth ecloc k.
The mebutt onand theSOS buttoncan befound
on theve hicle's overhead control panel
(/ page236).
Yo ucan also calltheMer cedes- BenzCustomer
Cent erusi ng themultimedia system
(/ page23 7).
Please note that Mer cedesme connectis a
Mer cedes-Ben zser vice.In emer gencie s,firs tcal l
th enation alemer gency service sus ing the
st andar dnat ionalemer gency service telephon e
numb ers. In emer gencie s,youcan also usethe
Mer cedes-Ben zemer gency callsy stem
(/ page24 3).
Obse rveth econ ditions ofuse forMer cedes me
connect andother services. These canbe
obt ained intheMer cedes mePortal: http s://
me. secure.m erced es-ben z.com Fu
rther information aboutMercedes meconn ect
ser vices canbeobt ained intheMer cedes me
Po rtal: http s:// me. secure.m erced es-ben z.com
Inf orma tion onMer cedes meconnect Acci‐
dent andBreak down Manag emen t
The Accid ent and Brea kdo wnManag eme ntcan
incl udeth efo llo wing functions:
R Supplem enttotheMer cedes- Benzemer‐
ge ncy callsy stem (/ page24 3)
If nece ssary,th econ tact per son atthe
Mer cedes-Ben zemer gency callcent erfor‐
wa rdsth ecall toMer cedes meconn ectAcci‐
dent andBrea kdo wnManag eme nt.Forw ard‐
ing thecall isho we verno tpossi bleinall
countr ies.
R Breakdo wnassi stanc eby ate ch nici anon
lo cati onand /or theto wing away oftheve hi‐
cle tothenear estaut hor ized Mercedes- Benz
Cent er
Yo uma ybe charge dfo rth ese services.
R Addition totheemer gency guide af te rau to‐
matic accide ntor breakdo wndetection
(/ page 237) In
theeve ntofabr ea kdo wnoracci dent, fur‐
th er vehicle datais sent whichenables opti‐
mal suppor tby theMer cedes- BenzCustomer
Cent erand theaut hor ized service partner or
br eakdo wnassis tance.
R Addition totheMer cedes meconnect
ser vice Telediagno stics
Wi th theTe lediagno stics func tion,spec ific
we arand failur ere por tsarere cor ded bythe
ser vice prov ider ,in so faras these can be
clear lyint erpr eted and areav ailable thro ugh
th emonit oring ofcom ponen tsthat aresub‐
je ct to diagnos tics.
If yo ur vehicle detects abr ea kdo wnorthre at
of abr eak down, youma ybe prom pte dvia
th emultimedia system tocont actthe
Mer cedes-Ben zCus tomer Cent erforfur ther
help. Thisprom ptinthemultimedia system
onl yappear swhen theve hicle isstatio nary. MBUX
multimedia system 235

#
Vehicles withaut omatic transmission
mus tno tbe tow star ted. #
Vehicles withaut omatic transmission must
no tbe tow- star ted. Electr
icalfuses No
teson electr icalfuses &
WARNIN GRisk ofacci dent andinjury
due tooverloaded lines
If yo uman ipulat eor bridg eafa ulty fuse orif
yo ure place itwit hafuse withahigher
am per age, theelectr icline could beove rloa‐
ded.
This could result inafire . #
Alw aysre place faulty fuseswit hspec i‐
fi ed newfuses containin gth ecor rect
am per age. *
NO
TEDama gedue toinc orrect fus es Electr
icalcom pone ntsorsystems maybe
damag edbyinc orrect fus es, ortheir func ‐
tion ality maybe signif icantlyim pair ed. #
Onlyuse fuses that have been approved
by Mer cedes-Ben zand whic hha ve the
cor rect fus era ting . Blo
wn fuse smu stbe replaced withfuses ofthe
same rating ,wh ich yo ucan recogni zeby the
colo rand thelabeling. Thefuse rating sand fur‐
th er information tobe obser vedcan befound in
th efuse assignmen tdiagr am.
Fu se assignment diagram: onthefuse boxin
th eengine compartmen t(/ page28 7).
* NO
TEDama geormalfunct ionscaused
by mois ture Mois
turema ycause damagetotheelectr ical
sy stem orcause itto malfu nction. #
When thefuse boxis open, makesur e
th at no mois turecan enterthefuse
bo x. #
When closing thefuse box,mak esur e
th at theseal ofthelid isposition edcor‐
re ctly onthefuse box. If
th ene wlyinser tedfuse alsoblows,ha ve the
cau setrace dand rectif ied at aqu alif ied spec ial‐
is two rkshop.
Ensur eth efo llo wing beforere placing afuse:
R The vehicle issecur edagains tro lling away.
R Allelectr icalconsu mersar esw itched off.
R The igniti onissw itched off.
The electr icalfu ses arelocat ed invarious fuse
bo xes:
R Fuse boxin theengine compartmen ton the
lef t-hand sideoftheve hicle, when viewe din
th edir ect ion oftrave l(/ page28 7)
R Fuse boxin thefront passeng erfoot we ll
(/ page28 7) 286
Breakdo wnassis tance

R
Fuse boxin thecent erofthetrunk
(/ page288) Opening
andclosing thefus ebo xin the
engine compartmen t Re
quirement s:
R Adr yclo thand asc rewdr iver areav ailable.
Obse rveth eno teson electr icalfuses
(/ page286).
Opening &
WARNIN GRisk ofinju ryfrom using the
winds hieldwiper swhile theengine hood
is open
When theengine hoodisopen andthewind‐
shield wipersar ese tin mo tion ,yo ucan be
trapped bythewiper linkage. #
Alw aysswitc hof fth ewindshield wipers
and ignition beforeopening theengine
hood. #
Open thehood. #
Remo veanyex istin gmois turefrom thefuse
bo xusing adr yclo th. #
Loosen screws1. #
Press clam ps2 and liftth efuse boxlid up
and out.
The fuse assignmen tdiagr amisin are cess on
th eside ofthefuse box. Closing #
Chec kwhe ther theseal isposition edcor‐
re ctly inthelid. #
Place thelid on thefuse box. #
Mak esur eth at clam ps2 eng age. #
Tight enscrews1. #
Close thehood. Opening
andclosing thefus ebo xin thefront
pa sseng erfoot we ll Obser
vetheno teson electr icalfuses
(/ page286). Br
eakdo wnassis tance 28
7

Opening
#
Liftcar pet1 inthedir ect ion ofthear row . #
Loosen screws2 and remo vethefuse box
lid from theto p.
Closing #
Place thelid on thefuse box. #
Tight enscrews2. #
Foldbac kth ecar pet. Opening
andclosing thefus ebo xin the
tr unk Obser
vetheno teson electr icalfuses
(/ page286). #
Open thetrunk floor . Fu
se box1 islocat edinthecent erunder neath
th etrunk floor . 288
Breakdo wnassis tance

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

Pa
yload
Calculat ionexam ple ............................ 299
De term inin gth emaximum .................. 298
Pe riod out ofuse
Ac tivati ng/d eactiv ating standb y
mode ...................................................1 53
St andb ymode function .......................1 53
Pe rm itted towing methods .....................2 81
Pe ts inthe vehicl e...... ...............................65
Plas tictrim (Car e)................................... 267
Po st-co llisio nbr ak e........ ...........................51
Po we rsupp ly
Swi tching on(Start/S topbutt on) ........ 127
Po we rwa sher (care)...............................2 63
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®
PL US (ant icipa tory occu‐
pa nt protection plus)................................ 50
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>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 .......................................................2 19
Cr eat ing ane wprofile .................... .....2 21
No tes ................................................... 219
Sel ecting profile op tions <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 221
Pr og rams
se eDY NA MIC SELE CT
Pr otecting theen vir onmen t
No tes ..................................................... 22
Pr otection agains tcollision ...................2 03 Q
QR code
Re scue card.......................................... 30
Qualif iedspecialis two rkshop ................. 28 R
Ra dar and ultrasonic senso rs
Dam age ............ ................................... 154
Ra dio
Ov ervie wof thefunc tionsand sym‐
bols ..................................................... 248
Ra dio ope ratin gper mits <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> .323
Ra in-closing featur e
Slid ingsunr oof ......................................83
Re ading lamp
see Interior lighting
Re ading light
Switc hingon/of fwit hhand move‐
ments .................................................. 219
Re ar door s(c hild safetyloc k) .................. 63
Re ar foglam p
Switc hingon/off.................................. 112
Re ar seat
see Seat
Re ar vie wcamer a....... .............................189
Ca re <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 265
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011> 189 Inde
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5