2021 MERCEDES-BENZ S-CLASS SALOON LONG fuse box

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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 #
Combo 1 v
Combo 1 v ehicle socket
ehicle soc ket:
:press charging inter-
ru ption button 3.
The charging process is ended. The %indi-
cator lamp 1lights up white. The vehicle
soc ket is unloc ked. #
T
Type 1 v
ype 1 v ehicle soc ket
ehicle soc ket:
:unlock theve hicle.
The charging process is ended. The %indi-
cator lamp 1lights up white. The vehicle
soc ket is unloc ked. #
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 241). Driving and parking
253
253

Electr
Electr
ical fuses
ical fuses N
No
ot
tes on electr
es on electr ical fuses
ical fuses &
W
WARNING
ARNING Risk of accident and injury due
to ove rloaded lines
If yo u manipulate or bridge a faulty fuse or if
yo ure place it with a fuse with a higher amper-
age, the electric line could be overloaded.
This could result in a /re. #
Alwaysre place faulty fuses with speci-
/ed new fuses containing the cor rect
amperage. *
N
NOOTE
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, which you can recognise bythe col- our and fuse
rating. 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:intheve hicle docu-
ment wallet.
* NO
NOTE
TEDamage 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 thefo llowing
fuse bo xes:
R Fuse box in the engine compartment on the
driver's side (/ page 457)
R Fuse box on the driver's side of the cockpit
(/ page 459)
R Fuse box in the front passenger foot we ll
(/ page 460)
R Fuse box in the boot on theright-hand side of
th eve hicle, when vie wed in the direction of
tr av el (/ page 460) 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 Obser vethe no tes on elect rical fuses
(/ page 457).
R Have thefo llowing tools readily available:
- a dry clo th
- a scr ewdriver with an appropriate head Breakdown assistance
457
457

Opening
Opening
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Depending on theve hicle equipment, access
to the fuse box may be limited. Mercedes-
Benz recommends consulting a quali/ed spe-
cialist workshop, e.g. a Mercedes-Benz
Se rvice Centre. &
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. #
Release thero tary catches on co ver1 and
pull the co ver up and out. #
Remo veany existing moisture from the fuse
box using a dry clo th. #
Depending on theve hicle equipment, there
may be an electrical component 2onthe
fuse box lid. If present, unscrew screw 3 and
put the component tothe side without discon-
necting the electrical connection. #
If present, release hoses 4from thereta ining
clips on the fuse box and vehicle body. 458
458
Breakdown assis
tance

#
If present, release hoses 5from thereta ining
clips in the engine compartment and vehicle
body. #
Unscr ewscrews6 and fold out bar 7. #
Unscr ewscrews8 and remo vefuse box lid
9 tothe side.
Closing
Closing #
Check whe ther the seal is positioned cor rectly
in lid 9. #
Place lid 9onthe fuse box and tighten
scr ews8. #
Fold back bar 7and tighten scr ews6. #
If present, engage hoses 5inthere taining
clips in the engine compartment and vehicle
body. #
If present, engage hoses 4inthere taining
clips on the fuse box and vehicle body. #
If present, inse rtelectrical component 2into
th e holder on the fuse box lid and tighten
scr ews3. #
Insert co ver1 and engage thero tary
catches. Opening and closing t
Opening and closing t
he fuse bo
he fuse box in t
x in the coc
he coc kpit
kpit R
R
eq
eq uir
uir ements:
ements:
R Obser vethe no tes on elect rical fuses
(/ page 457). Breakdown assistance
459
459

#
Open co ver1 inthe direction of the ar row
and remo veit. 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 R
R
eq
eq uir
uir ements:
ements:
R Obser vethe no tes on elect rical fuses
(/ page 457). #
Open co ver1 inthe direction of the ar row
and remo veit. Opening and closing t
Opening and closing t
he fuse bo
he fuse box in t
x in the boot
he boot R
R
eq
eq uir
uir ements:
ements:
R Obser vethe no tes on elect rical fuses
(/ page 457). #
Fold co ver1 down in the direction of the
ar ro w. 460
460
Breakdown assistance

F
F
r
ront passeng
ont passeng er seat
er seat
Ad justing from the driver's seat.............. 121
Ad justing from there ar.......................... 122
Fo lding the head restraint ba ck/up
(chau.eur mode)................................... 128
F
F uel
uel, Additives (fuel)
Ad ditives................................................ 484
Diesel.................................................... 484
E10........................................................ 483
Fu elreser ve........................................... 485
Low outside temp eratures...................... 484
Pe trol..................................................... 483
Quality (diesel )....................................... 484
Quality (petrol)....................................... 483
Re fuellin g.............................................. .235
Sulphur content..................................... 483
Ta nk content.......................................... 485
F F uel consump
uel consump tion indicat
tion indicator
or
Calling up.............................................. 230
F
F uses
uses, Electrical fuses
Before replacing a fuse.......................... 457
Fu se assignment diag ram. ...................... 457
Fu se box in the boo t............................... 460
Fu se box in the engine compartment......4 57Fu
se box in the front passenger foot-
we ll........................................................ 460
Fu se box on the dashboar d.................... 459
No tes..................................................... 457 G
G
G-met
G-met er (dr
er (driv
iver display
er display , Spor
, Sport menu)
t menu)........... .347
Gar
Gar ag
age door opener
e door opener
Clearing the memory.............................. 262
Gar
Gar ag
age door openers
e door openers
Opening/closing the door......................2 62
Prog ramming buttons............................. 260
Re solving problems................................ 261
Syn chronising thero lling code................ 261
Gear
Gear shiT
shiT r
recommendation
ecommendation........................... 234
Genuine par
Genuine par ts
ts................................................ 24
Glide mode
Glide mode.................................................. 234
Glov Glov e box
e box
Air vent.................................................. 207
Gr
Gr oss mass
oss mass.................................................. 480 H
H
Handling c
Handling c har
haract
acter
eris
istics (unusual)tics (unusual) ................ 461 HANDS-FREE A
HANDS-FREE A
CCESS
CCESS................................. 101
Hands et
Handset
Stow age compartment (rear).................. 152
Hazar
Hazar d w
d war
arning lights
ning lights ................................... 172
Head r
Head r es
estr
traint
aint
Ac tivating/deactivating neck heating..... 133
At tach ing/removing the additional
cushion (front)....................................... 131
At tach ing/removing the additional
cushion (rear)........................................ 133
Fr ont (luxury head restraint)................... 131
Fr ont passenger side (chau.eur mode).. .128
Re ar (adjusting)..................................... .132
Re ar (folding into position/folding
back mechanical ly)................................ 134
Re ar (lo wering from the front)................. 132
Re ar (luxury head restraint).................... 132
Head-up display Head-up display Augmented reality................................. .349
Care...................................................... 434
Fu nction................................................ 348
Ope rating.............................................. 350
Operating the memory function.............. 144
Selecting (with augmented reality)......... .351 Index
607 607