2021 MERCEDES-BENZ S-CLASS SALOON LONG fuses

Light and sight
Light and sight
............................................ 169 169
Exterior lighting ........................................... 169
Interior lighting ............................................ 178
Wi ndsc reen wipers and windscreen
wa sher system ............................................ 181
Mir rors ........................................................ 184
Area permeable toradio waves on the
windscreen ................................................ .187
Inf rare d-re0ective windscreen function ........ 188 Climat Climat
e contr
e contr ol
ol........................................... 189 189
Overview of climate control systems ............ 189
Operating the climate control system .......... 191 Dr Dr
iving and par
iving and par king
king..................................... 208 208
Driving ........................................................2 08
DY NAMIC SELECT button ........................... .226
Au tomatic transmission .............................. .231
Fu nction of the 4MATIC ...............................2 35
Re fuelling .................................................... 235
Charging the high-voltage battery (plug-in
hy brid) ........................................................ 241
Pa rking .......................................................2 58
Driving and driving saf ety sy stems ............... 266 Tr
ailer hitch ................................................ .336
Bicycle rack function ................................... 342
Ve hicle towing instructions .......................... 344 Dr
Dr
iv
iver displa
er displa y
y............................................. .345
345
No tes on the driver's display ....................... 345
No tes on the 3D driver's display .................. 345
Operating the driver's display ...................... 345
Driver display menus ................................... 346
Head-up display .......................................... 348
Ve hicles with a 48 V on-board elect rical
system ........................................................ 352
Fu nction of the po wer me ter ........................ 352
Overview of status displa yson the driver's
display ........................................................3 52 MBUX V MBUX V
oice Assist
oice Assist ant
ant................................. 354 354
No tes on operating saf ety .......................... .354
Operation .................................................... 354
Using MBUX Voice Assistant e.ectively .......3 56
Essential voice commands .......................... 357 MBUX multimedia syst MBUX multimedia syst
em
em............................ 361 361
Overview and operation ...............................3 61
System settings .......................................... 382
Plug-in hybrid settings ................................ .387
Na vigation and tra1c .................................. 388
Te lephone ................................................... 397
Mercedes me app ....................................... 400
Mercedes-Benz emer gency call system ....... 409
Ra dio, media & TV....................................... 416
Sound settings ............................................ 422 Maint Maint
enance and car
enance and car e
e................................. 423 423
ASS YST PLUS service inter val display .......... 423
Engine compartment ................................... 424
Cleaning and care ....................................... 429 Br Br
eakdo
eakdo wn assist
wn assist ance
ance................................. 437 437
Emer gency .................................................. 437
Flat tyre ...................................................... 439
Battery (vehicle) .......................................... 444
To w- starting or towing away ........................ 450
Electrical fuses ............................................ 457 Contents
3 3

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

#
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

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
:
Malfunction See Owner's
Manual *T
heexterior lighting is malfunctioning. #
Consult a quali/ed specialist workshop.
*V Vehicles wit ehicles wit h a tr
h a trailer hitc
ailer hitc h:
h:a fuse may ha veblown. #
Stop theve hicle in accordance with the tra1c conditions. #
Check the fuses and replace them if necessary (/ page 457).
:
Automatic driving lights
inoperative *T
he light sensor for automatic driving lights is malfunctioning. #
Consult a quali/ed specialist workshop.
:
Active Light System inoper-
ative *T
he active headlamps are malfunctioning. #
Consult a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
503 503

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