2021 MERCEDES-BENZ A-CLASS HATCHBACK fuse box

%
The vehicle is equipped with an elect rical fuse
which pr otects it against overvoltage in the
mains suppl y.This electrical fuse may trip dur-
ing se vere thunderstorms, forex ample, and
may cause the fuse in the building totrip or
may inter rupt thech arging process. These
functions pr otect theve hicle.
ATer the fuse in the building is switched on
again, thech arging process resumes automat-
icall y.Fo llowing an inter ruption in the po wer
supply without the fuse in the building being
tripped, it may take up to te n minutes for
ch arging toresume automaticall y.Ending t
Ending t
he alt
he alter
ernating curr
nating curr ent c
ent char
harging pr
ging pr ocess
ocess
(mode 2/3)
(mode 2/3) R
R
eq
eq uir
uir ements:
ements:
R The dis tance between theke y and theve hicle
does not exceed 1 m. Combo 1 v
Combo 1 v
ehicle socket
ehicle soc ket #
Press charging inter ruption button 3.
or #
Unlock theve hicle.
The charging process is ended. The %indi-
cator lamp 1lights up white. The vehicle
soc ket is unloc ked. %
Vehicles equipped with a type 1 vehicle
soc ketfo rAC charging ha veno charging inter-
ru ption button 3. #
Press and hold button 2onthech arging
cable connector and remo vethech arging
cable connector from theve hicle soc ket.
% Ifyo u cannot remo vethech arging cable con-
nector, repeat the unlocking procedure. If the
ch arging cable connector is still loc ked, con-
ta ct a quali/ed specialist workshop. #
Close the soc ket co ver and the soc ket 0ap. #
Remo vethech arging cable connector from
th e mains soc ket, or from the soc ket on the
wa llbox/charging station, and st owtheve hi-
cle's charging cable safely in theve hicle
(/ page 194). 206
206
Driving and parking

#
Alwaysre place faulty fuses with speci-
/ed new fuses containing the cor rect
amperage. *
N
NO OTE
TE Damage due toincor rect fuses Electrical components or systems may be
damaged byincor rect fuses, or their function-
ality may be signi/cantly impaired. #
Only use fuses that ha vebeen appr oved
by Mercedes-Benz and which ha vethe
cor rect fuse rating. Blown fuses must be
replaced with fuses of the
same rating, whi chyou can recognise bythe col-
our and the label. The fuse ratings and fur ther
information tobe obser ved can be found in the
fuse assignment dia gram.
F
F use assignment diagr
use assignment diagr am:
am:onthe fuse box in the
engine compartment (/ page 365). *
N
NO OTE
TE Damage or malfunctions caused by
moisture Moisture may cause damage
tothe electrical
system or cause it tomalfunction. #
When the fuse box is open, make sure
th at no moisture can enter the fuse box. #
When closing the fuse box, make sure
th at the seal of the lid is positioned cor-
re ctly on the fuse box. If
th e ne wlyinser ted fuse also blo ws, ha vethe
cause traced and recti/ed at a quali/ed specialist
wo rkshop.
Ensure thefo llowing before replacing a fuse:
R The vehicle is secured against rolling away.
R All electrical consume rsare switched o..
R The vehicle is switched o..
The elect rical fuses are located in various fuse
bo xes:
R Fuse box in the engine compartment on the
leT-hand side of theve hicle, when vie wed in
th e direction of tr avel (/ page 365) R
Fuse box in the front passenger foot we ll
(/ page 366)
R Fuse box in the centre of the load compart-
ment (/ page 367) Opening and closing t
Opening and closing t
he fuse bo
he fuse box in t
x in the engine
he engine
com
com par
partment
tment R
R
eq
equir uir ements:
ements:
R A dry clo thand a scr ewdriver are available.
Obser vethe no tes on elect rical fuses
(/ page 364).
Opening
Opening &
W
WARNING
ARNING Risk of injury from using the
windscreen wipers when the bonnet is
open
If th e windscreen wipers start moving when
th e bonnet is open, you could be trapped by
th e wiper linkage. #
Always switch o. the windscreen wipers
and vehicle before opening the engine
bonnet. Breakdown assistance
365
365

#
Open the bonnet. #
Remo veany existing moisture from the fuse
box using a dry clo th.#
Loosen scr ews1. #
Press clamps 2and liT the fuse box lid up
and out. The fuse assignment diag
ram is in a recess on the
side of the fuse box.
Closing Closing #
Check whe ther the seal is positioned cor rectly
in the lid. #
Place the lid on the fuse box. #
Make sure that clamps 2engage. #
Tighten scre ws1. #
Close the bonnet. Opening and closing t Opening and closing t
he fuse bo
he fuse box in t
x in the fr
he front
ont
passeng
passeng er f
er foo
ootw
twell
ell Obser
vethe no tes on elect rical fuses
(/ page 364). Opening Opening #
LiT carpet 1inthe direction of the ar row. 366 366
Breakdown assistance

#
Loosen scr ews2 and remo vethe fuse box
lid from theto p.
Closing
Closing #
Place the lid on the fuse box. #
Tighten scre ws2. #
Fold back the carpet. Opening and closing t
Opening and closing t
he fuse bo
he fuse box in t
x in the load com-
he load com-
par
par tment
tment Obser
vethe no tes on elect rical fuses
(/ page 364). #
Open the load compartment 0oor. Fu
se box 1is located underneath the load com-
partment 0oor. Breakdown assistance
367
367

Sulphur content....................................
.395
Ta nk content.......................................... 397
F
F uel consump
uel consump tion indicat
tion indicator
or
Calling up.............................................. 181
F
F unction seat
unction seat
see Door cont rol panel
F
F uses
uses
Before replacing a fuse.......................... 364
Fu se assignment diag ram. ...................... 364
Fu se box in the engine compartment......3 65
Fu se box in the front passenger foot-
we ll........................................................ 366
Fu se box in the load compartment......... 367
No tes..................................................... 364 G
G
Gar Gar ag
age door opener
e door opener
Clea ring the memory.............................. 215
Gar Gar ag
age door openers
e door openers
Opening/closing the door......................2 15
Prog ramming buttons............................. 213
Re solving problems................................ 214
Syn chronising thero lling code................ 214
Gear
Gear shiT shiT r
recommendation
ecommendation................... 183, 186 Genuine par
Genuine par
ts
ts................................................ 25
Glide mode
Glide mode.................................................. 187
Gr Gr oss mass
oss mass.................................................. 392 H
H
Handbr
Handbr ake
ake
see Electric parking brake
Handling c
Handling c har
haract
act er
eris
istics (unusual)tics (unusual) ................ 368
Hazar
Hazar d w
d war
arning lights
ning lights................................... 137
Head r
Head r es
estrtraint
aint
Fr ont (adjusting mechanically)................ 108
Re ar (adjusting)..................................... .109
Re ar (removing//tting)........................... 110
Head-up displ ay
Head-up display
Adjusting brightness (on-board com-
puter).................................................... 283
Ad justing display elements (on-board
co mp uter).............................................. 283
Care...................................................... 343
Fu nction................................................ 282
Menu (on-boa rdcomputer)..................... 283
Operating the memory function.............. 115 Setting
the position (on-board com-
puter).................................................... 283
Switching on/o.....................................2 84
Headlam
Headlam p p0ashing
0ashing ........................................ 136
Headlam
Headlam ps
ps
see Automatic driving lights
Heating
Heating see Climate control
Help call
Help call see Mercedes-Benz emer gency call system
High beam
High beam Activating/deactivating.......................... 136
High beam
High beam see Adaptive Highbeam Assist
see Adaptive Highbeam Assist Plus
High-pr
High-pr essur
essure cleaner (car
e cleaner (car e)
e)........................ 339
High-v
High-v olt
oltag
age batt
e batt ery
ery
Char geleve l displa y............................... 211
Charg ing cable control panel.................. 200
Charging duration.................................. 404
Connection types...................................4 04
Ending thech arging process (alternat-
ing cur rent, mode 2/3).......................... 206 508 508
Ind
ex