2021 MERCEDES-BENZ A-CLASS SEDAN hood open

R
Allelectr icalconsu mersar esw itched off.
R The igniti onissw itched off.
The electr icalfu ses arelocat edinvarious fuse
bo xes:
R Fuse boxin theengine compartmen ton the
lef t-hand sideoftheve hicle, when viewe din
th edir ect ion oftrav el (/ page28 4)
R Fuse boxin thefront passeng erfoot we ll
(/ page285)
R Fuse boxin thecent erofthetrunk
(/ page286) 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
(/ page283). 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. 28
4
Breakdo wnassis tance

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
(/ page283). 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. Br
eakdo wnassis tance 28
5

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions
0051 *A
tle as tone door isop en. #
Close alldo ors.
0083 *T
hehood isopen. &
WARNIN GRisk ofacci dent dueto driving withth ehood unlocked
The hood mayopen andblockyo ur vie w. #
Neverre lease thehood when driving. #
Beforeev erytrip, ensur eth at thehood isloc ked. #
Stop theve hicle immediat ely,pa ying attention toroad and traf fic condi tions. #
Close thehood.
0084 *T
hetrunk lidisopen. &
DANG ER Risk ofexhaus tga spoisoning
Combus tionengines emitpoisonous exhaus tga ses suchas carbon monoxide.Exhaus tga ses can enterthe
ve hicle interior ifth etrunk lidisopen when theengine isrunning ,esp ecially ifth eve hicle isin mo tion. #
Alw aysswitc hof fth eengine beforeopening thetrunk lid. #
Neverdr ive wit hth etrunk lidopen. Displa
ymessag esand warning/ indic ator lam ps 34
3

Disp
laymes sages
Possible causes/conseq uencesand0050 0050
Solutions #
Have theengine cooling system checkedat aqu alif ied spec ialistwo rkshop.
ÿ
Coola ntToo HotStop Vehi-
cle Turn Engine Off *T
hecoolant istooho t. #
Pull overand stop theve hicle safely and switc hof fth eengine, paying attent ion toroad and traffic condi tions. &
WARNIN GDang erofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edordur ing afire intheengine compartmen t,yo uco uld
co me intoco ntact withho tga ses orother escaping operating fluids. #
Beforeopen ingthehood, allowtheengine tocool down. #
Intheeve ntofafire intheengine compartmen t,ke ep thehood closed andcallthefire ser vice. #
Waitunt ilth eengine hascooled down. #
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
th ecoolant temp eratur edispla yre mains belowthere dmar king.
ÿ *T
hefanmo toris faulty . #
Avoiding highloads ontheengine, drive to thenear estqu alif ied spec ialistwo rkshop. Indoing so,ensur eth at
th ecoolant temp eratur edispla yre mains belowthere dmar king. Displa
ymessag esand warning/ indic ator lam ps 34
5

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions &
WA RNIN GDang erofburnswhen opening thehood
If yo uopen thehood when theengine hasoverheat edordur ing afire intheengine compartmen t,yo uco uld
co me intoco ntact withho tga ses orother escaping operating fluids. #
Beforeopen ingthehood, allowtheengine tocool down. #
Intheeve ntofafire intheengine compartmen t,ke ep thehood closed andcallthefire ser vice. #
Stop theve hicle immediat elyinaccor dance withth etraf fic condi tions andswitchof fth eengine. Donotcon tinue
dr iving under anycir cums tances. #
Notethemessag eson themultifunc tiondispla y.
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(/ page255) . #
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. Displa
ymessag esand warning/ indic ator lam ps 383

Genuin
ewo od (Car e).............................. 263
Glid emod e...............................................1 41 H
Handbr ake
see Electr icpar king brak e
Handlin gch aract eristics (unus ual)....... 287
HAND S-FREEAC CESS ................................ 75
Hazar dwa rning light s.............................. 111
Hazar doussubstances
Inf ormation .................................... ........25
Head restra int
Fr ont (adjus tingmechanicall y)............... 91
Re ar (installin g/remo ving) .....................9 2
Re ar passe nger com partment
(adj ustin g) .............................................9 2
Head-up Display...... ................................206
Ad jus ting disp lay el eme nts(on-bo ard
com puter) ..... ...... .............................. ...206
Ad jus ting thebr ightn ess(on-boar d
com puter) ....................................... ..... 206
Fu nctio n<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011>205
Menu (on-bo ardcom puter) ...... ............ 206 Oper
ating thememor yfunc tion ............ 98
Se tting theposition (on-boar dcom‐
put er) ............................................. ..... 206
Switc hingon/off........................... ...... 207
Headla mps
see Automatic driving lights
Headlin er(car e)....................................... 263
Help call
see Mercedes-Benz emergencycallsystem
High beam
Ac tivati ng/d eactiv ating ........... ............110
High-be amflasher ................................... 110
High-be amheadlam ps
Ad aptiveHig hbeam Assis t.............. .....1 12
Hill star tassi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 157
HOLD functio n...... ................................... 156
Fu nctio n/no tes ................................... 156
Swi tching on/of f<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> 156
Home screen (media display)
Ov ervie w ...... .................................... ... 209
Hood Opening/clo sing.................................. 251 I
Iden tificatio nplat e
Engine ................................................. 322
Re frig er ant .......................................... 329
Ve hicle ................................................ 322
Ignition Switc hingon(Start/S topbutt on) ........ 125
Ignit ionkey
see Smar tKey
Imm obiliz er................................................ 84
Indi catorlam ps
see Warning/ indic ator lam ps
Individ ualdrive pr og ram
Con figur ing .......................................... 136
Sel ecting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 135
Insid ere ar vie wmir ror
see Exterior mir rors
Insp ectio n
see ASSYST PLUS
Ins trument cluster
Fu nctio n/no tes ........................... 201, 202 Inde
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