2021 MERCEDES-BENZ S-CLASS SALOON LONG engine

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
%
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

R
R
aising t
aising t he v
he vehicle when c
ehicle when c hanging a wheel
hanging a wheel R
R
eq
eq uir
uir ements:
ements:
R There are no persons in theve hicle.
R The vehicle has been prepared for a wheel
ch ange (/ page 470).
R The hub caps ha vebeen remo ved
( / page 470).
Impor tant no tes on using the jack:
R Use only a vehicle-speci/c jack that has been
appr ovedby Mercedes-Benz toraise theve hi-
cle.
R The jack is only designed forra ising and hold-
ing theve hicle for a short time while a wheel
is being changed and not for maintenance
wo rkunder theve hicle.
R The jack must be placed on a /rm, 0at and
non-slip sur face.
R The foot ofthe jack must be positioned verti-
cally under the jack support point. Ru
les of conduct when theve hicle is raised:
R Never place your hands and/or feet under the
ve hicle.
R Never lie under theve hicle. R
Do not start the engine and do not release the
electric parking brake.
R Do not open or close any doors or the boot
lid. #
Using the wheel wrench, loosen the wheel
bolts on the wheel you wish tochange by
about one full turn. Do not unscr ewthe bolts
comple tely. Wheels and tyres
471 471

&
W
WARNI NG
ARNI NGRisk of injury from tightening
wheel bolts and nuts
If yo u tighten the wheel bolts or wheel nuts
when theve hicle is raised, the jack could tip. #
Only tighten wheel bolts or wheel nuts
when theve hicle is on thegr ound. #
Be sure toobser vethe inst ructions and saf ety
no tes on "Changing a wheel" (/ page 465).#
For saf etyre asons, only use wheel bolts which
ha ve been appr oved byMercedes-Benz and
fo rth e wheel in question. #
Tighten the wheel bolts evenly in a diagonal
pattern in the order indicated until they are
/nger-tight. #
Unscr ewand remo vethe centring pin. #
Tighten the last wheel bolt until it is /nge r-
tight. #
Lowe rth eve hicle (/ page 474). Low Low
er
ering t
ing t he v
he vehicle
ehicle aTer
aTera wheel c
a wheel c hange
hange R
R
eq
eq uir
uir ements:
ements:
R The new wheel has been /tted (/ page 473).
* NO
NOTE
TERisk of vehicle jack becoming trap-
ped bythe AIRMATIC system If
th e AIRMATIC system has released air when
ra ising theve hicle, the jack can become trap-
ped when theve hicle is lo wered. #
Start the engine. This adapts theve hicle
le ve l. #
Remo vethe jack from under theve hicle. #
T
To low
o low er t
er the v
he v ehicle:
ehicle: placethera tchet onto
th e he xagon nut of the jack so that the letters
"AB" are visible and turn anti-clockwise. #
Tighten the wheel bolts evenly in a diagonal
pattern in the order indicated 1to5 with
an initial maximum forc e of 80 Nm. #
Tighten the wheel bolts evenly in a diagonal
pattern in the order indicated 1to5 with
th e speci/ed tightening torque of 150 Nm. &
W
WARNING
ARNING Risk of accident due toincor-
re ct tightening torque
The wheels could come loose if the wheel
bolts or wheel nuts are not tightened tothe
prescribed torque. 474
474
Wheels
and tyres

N
N
o
ot
tes on t
es on t ec
echnical data
hnical data
The tech nical data was de term ined in accordance
with EU Directives. The data stated only applies to
ve hicles with standard equipment. You can obtain
fur ther information from a Mercedes-Benz Service
Centre.
Onl Onl y f
y for cert
or cert ain countr
ain countr ies:
ies:you can /n dvehicle-
speci/c vehicle data in theCO C documents (CER-
TIFIC ATE OF CONFORMITY). These documents
are deli vered with your vehicle. On-boar
On-boar
d electr
d electronics
onics N
No
ot
tes on t
es on t am
amper
per ing wit
ing wit h t
h the engine electr
he engine electr onics
onics *
N
NOOTE
TE Prematu rewe arthro ugh improper
maintenance Improper maintenance may cause
vehicle
components towe ar more quickly and the
ve hicle's operating permit may be in validated. #
Always ha veworkon the engine elec-
tronics and related components car ried
out at a quali/ed specialist workshop. *
N
NOOTE
TE Increased wear and tear or damage
caused bymeasures under take nto
increase per form ance Engine management measures under
take nto
increase per form ance can lead toincreased
we ar and tear or damage tothe drive system. #
Do not under take engine management
measures toincrease per form ance. T
T
w
w o-wa
o-wa y r
y radios
adios N
No
ot
tes on
es on /tting
/tting tw
two-wa
o-wa y r
y radios
adios &
W
WARNING
ARNING Risk of accident due to
improper workon two-w ayradios
If two-w ayradios are manipulated or retro/t-
ted incor rectl y,the electromagnetic radiation
from the two-w ayradios can inter fere with the
ve hicle elect ronics and jeopardise the operat-
ing saf ety of theve hicle. #
You should ha veall workon electrical
and electronic components car ried out
at a quali/ed specialist workshop. &
W
WARNING
ARNING Risk of accident from inco rrect
operation of two-w ayradios
If yo u use two-w ayradios in theve hicle
improper ly,th eir electromagnetic radiation
can disrupt theve hicle's elect ronics. This is
true in thefo llowing situations, in particular:
R The two-w ayradio is not connected toan
ex terior aerial.
R The exterior aerial is /tted incor rectly or is
not a lo w-re0ection aerial.
This could jeopardise the operating saf ety of
th eve hicle. #
Have the lo w-re0ection exterior aerial /t-
ted at a quali/ed specialist workshop. #
When operating two-w ayradios in the
ve hicle, alw ays connect them tothe lo w-
re 0ection exterior aerial. Te
ch nical data
477
477

V
V
ehicle
ehicle identi/cation
identi/cation plat
plate, VIN and engine num-
e, VIN and engine num-
ber ov
ber overerview
view
V
V ehicle
ehicle identi/cation
identi/cation plate
plate Ve
hicle identi/cation plate (e xample:Kuwa it)
1 Vehicle manu facturer
2 Place of manufacture
3 Manu facturing date
4 Paint code
5 VIN (vehicle identi/cation number) Ve
hicle identi/cation plate (e xample: all other
countries)
1 Vehicle manu facturer
2 EUgeneral opera ting permit number (only for
cer tain countries)
3 VIN (vehicle identi/cation number)
4 Maximum permissible gross vehicle weight
(kg) 480
480
Te
ch nical data

5
Maximum permissible gross weight of vehicle
combination (kg) (for cer tain countries onl y,
optional)
6 Maximum permissible front axle load (kg)
7 Maximum permissible rear axle load (kg)
8 Paint code
% The data shown in the illust ration is example
data.
VIN at t
VIN at t he low
he lower edg
er edge of t
e of the windscr
he windscr een
een 1
VIN (vehicle identi/cation number)
The VIN at the lo wer edge of the windscreen is
only available in some countries. VIN in t
VIN in t
he engine com
he engine com par
partment
tment 1
VIN (vehicle identi/cation number)
Engine number
Engine number
The engine number is stamped into the crank-
case.
% Further information can be obtained at a
qu ali/ed specialist workshop. Oper Oper
ating
ating 0uids
0uids N
No
ot
tes on oper
es on oper ating
ating0uids
0uids &
W
WARNING
ARNING Risk of injury from operating
0uids harmful toyour health
Operating 0uids may be poisonous and harm-
ful toyour health. #
Obser vethete xt on the original contain-
ers when using, storing or disposing of
operating 0uids. #
Always store operating 0uids sealed in
th eir original containers. #
Alwayske ep children away from operat-
ing 0uids. +
ENVIR ENVIR
ONMENT
ONMENT AL NO
AL NOTE
TEPollution of the
environment due toirre sponsible disposal
of operating 0uids Incor
rect disposal of operating 0uids can
cause considerable damage tothe environ-
ment. Te
ch nical data
481
481