sensor MERCEDES-BENZ S-CLASS SALOON LONG 2020 Service Manual

#
Alw ays switch off the windscreen wip‐
ers and the ignition before cleaning the
windscreen or wiper blades. &
WARNING Risk of bu rns from theta il‐
pipe and tailpipe trims
The exhaust tailpipe and tailpipe trims can
become very hot. If you come into contact
with these parts of theve hicle, you could
burn yourself. #
Alw ays be particular lycareful around
th eta ilpipe and theta ilpipe trims and
supervise children especially closely in
th is area. #
Allow vehicle parts tocool down before
to uching them. To
avo id damage totheve hicle, obser vethe
no tes on cleaning and care of thefo llowing vehi‐
cle parts:
Wheels and rims
R Use wate r and acid-free alloy wheel cleaners.R
Do not use acidic alloy wheel cleaners to
re mo vebrake dust. This could damage wheel
bolts and brake components.
R Toavo id cor rosion of the brake disks and
brakepads, drive theve hicle for a few
minutes af ter cleaning before parking it. The
brake disks and brakepads warm up and dry
out.
Wi ndo ws
R Clean the windo wsinside and outside with a
damp clo thand with a cleaning agent recom‐
mended for Mercedes-Benz.
R Do not use dry clo ths or abrasive or sol vent-
based cleaning agents toclean the inside of
windo ws.
% Remo veextern al fogging or dirt on the wind‐
screen in front of the multifunction camera.
Otherwise, driving sy stems and driving
saf ety sy stems may be impaired or not avail‐
able (/ page 220).
Wi per blades
R Movethe wiper arms into there placement
position (/ page165). R
With th e wiper arms folded out, clean the
wiper blades with a damp clo th.
R Do not clean the wiper blades too of ten.
Ex terior lighting
R Clean the lenses with a wet sponge and mild
cleaning agent, e.g. car sha mpoo.
R Only use cleaning agents or cleaning clo ths
th at are suitable for plast ic lenses.
Sensors
R Clean the sensors in the front and rear
bumpers with a soft clo thand car shampoo
(/ page 220).
R When using a high-pressure cleaner, main tain
a minimum dis tance of 30 cm.
Re versing camera and 360° Camera
R Open the camera co ver with the multimedia
sy stem (/ page 267).
R Use clean water and a soft clo thtoclean the
came ralens.
R Do not use a high-pressure cleaner. Maintenance and care
357

The load conditions "partially laden" and "fully
laden" are defined in
theta ble for dif fere nt num‐
be rs of passengers and amounts of luggage. The
actual number of seats may dif fer from this. Ty
re pressure moni toring sy stem Fu
nction of the ty repressure moni toring sys‐
tem
The sy stem checks the tyre pressure and the
tyre temp erature of the tyres fitted totheve hicle
by means of a tyre pressu resensor.
The tyre pressure and the tyre temp erature
appear in the driver's display (/ page 386).
If th ere is a subs tantial pressure loss or if the
tyre temp erature is excessive, you will be
wa rned with display messages (/ page541) or
th eh warning lamp in the instrument clus ter
( / page 565).
The tyre pressure monitoring sy stem is only an
aid. It is the driver's responsibility toset the tyre
pressure tothere commended cold tyre pressure
suitable forth e operating situation. In most cases,
the tyre pressure monitoring sys‐
te m will auto matically update the new refere nce
va lues af teryo u ha vechanged the tyre pressure.
Yo u can, ho wever,also update there fere nce val‐
ues byrestarting the tyre pressure monitoring
sy stem manually (/ page 387).
Sy stem limits
The sy stem may be impaired or may not function
particularly in thefo llowing situations:
R the tyre pressure has been set incor rectly
R sudden pressure loss caused byafo re ign
object penetrating the tyre, forex ample
R there is a malfunction caused byano ther
ra dio signal source
Checking the ty repressure with the tyre
pressure moni toring sy stem
Requ irements:
R The ignition is switched on. Driver display:
4 © 5
Service
One of thefo llowing displa ysappears:
R Cur rent tyre pressure of ea chwheel: R
Tyre pressures will be displayed after a few
minutes of driving
R Tyre pressure monitor active: thete ach-in
process of the sy stem is not yet compl ete.
The tyre pressures are already being moni‐
to re d. #
Compare the tyre pressure with there com‐
mended tyre pressure forth e cur rent operat‐ 386
Wheels and tyres

R
Only fit wheels of the same size on one axle
(left and right).
It is only permissible tofit a di fferent wheel
size in theeve nt of a flat tyre in order to
drive tothe specialist workshop.
R Do not make any modifications tothe brake
sy stem, the wheels or the tyres.
The use of shims or brake dust shields is not
permitted and may in validate theve hicle's
ge neral operating pe rmit.
R Vehicles with a tyre pressure monitoring
sy stem: allfitted wheels mu stbe equipped
with functioning sensors forth e tyre pres‐
sure monitoring sy stem.
R Attemp eratures below 7°C use winter tyres
or all-season tyres mar kedi M+Sfor all
wheels.
Wi nter tyres pr ovide the best possible grip in
wintry road conditions.
R For M+S tyres, only use tyres with the same
tread.
R Obser vethe maximum permissible speed for
th e M+S tyres fitted. If
th e tyre's maximum speed is below that of
th eve hicle, this must be indicated byan
appropriate label in the driver's field of
vision.
R Run in new tyres at moderate speeds forthe
fi rs t10 0 km.
R Replace the tyres af ter six years at the latest,
re ga rdless of wear.
R When replacing with tyres that do not
fe ature run-flat characteristics: vehicles
with MOExtended tyres are not equipped
with a TIREFIT kit at thefa ctor y.Equip the
ve hicle with a TIREFIT kit af terre placing with
tyres that do not feature run-flat characteris‐
tics, e.g. winter tyres.
Fo r more information on wheels and tyres, con‐
ta ct a qualified specialist workshop.
Be sure toalso obse rveth efo llowing fur ther
re lated subjects:
R Notes on tyre pressure (/ page 384)
R Tyre pressure table (/ page 385)
R Notes on the emer gency spa rewheel
(/ page 396) Note
s on inter changing wheels &
WARNING Risk of inju rythro ugh dif fer‐
ent wheel sizes
Inter changing the front and rear wheels can
se verely impair the driving characteristics.
The disk brakes or wheel suspension compo‐
nents may also be damaged. #
Onlyinter change the front and rear
wheels if the wheels and tyres ha vethe
same dimensions. Inter
changing the front and rear wheels if the
wheels or tyres ha vediffere nt dimensions can
re nder thege neral operating pe rmit in valid.
The wear pat tern s on the front and rear wheels
dif fer:
R front wheels wear more on the tyre shoulder
R rear wheels wear more in the cent reofthe
tyre
Do not drive wi thtyres that ha vetoo little tread
dep th. This significantly reduces traction on wet
ro ads (aquaplaning). 390
Wheels and tyres

Ar
ge ntina Manu‐
fa
ctu rer Model desig‐
nation Ra
dio equip‐
ment appr oval
number
ADC ARS4-A (radar sensor) C-18005
ADC ARS4-B (radar sensor) C-17908
ADC ARS4-C (radar sensor) C-23
776
Bosc hM RR1Rear
(radar sensor) C-2
1798
Bosc hM RRe14FCR
(radar sensor) C-20030
Bosc hF R5CPCCF
(radar sensor) H-23855 Manu‐
fa
ctu rer Model desig‐
nation Ra
dio equip‐
ment appr oval
number
Continen‐
tal
Antenna RKE2
13E1
(antenna
amplifi er) H-1
5475
Continen‐
tal
Antenna RKE223E1
(antenna
amplifi
er) H-24637
Continen‐
ta lAu to‐
motive CMKG1 (lock‐
ing sy
stem) H-243
76
Continen‐
ta lAu to‐
motive MARS
Keyless
(locking sys‐
te m) H-17929
HELL AD M4 (locking
sy stem) H-1
7845 Manu‐
fa
ctu rer Model desig‐
nation Ra
dio equip‐
ment appr oval
number
Hirsch‐
mann 920287A
(lo
cking sys‐
te m) H-15694
Hirsch‐
mann 920287B
(locking sys‐
te
m) H-15695
Huf Bao‐
long TS
SRE4A (ty re
pressure mon‐
itoring sensor) H-20027
HUF HUF 14632
(lo cking sys‐
te m) H-155
41 402
Tech nical da ta

Manu‐
fa
ctu rer Model desig‐
nation Ra
dio equip‐
ment appr oval
number
HUF HUF4 761
(locking sys‐
te m) H-1
1545
LEOPOLD
KO STAL KK1 (locking
sy
stem) H-168
74
MAR‐
QUARDT DC12A (lock‐
ing sy
stem) H-1
7689
MAR‐
QUARDT DC12B (lo
ck‐
ing sy stem) H-2
1034
MAR‐
QUARDT DC12K (lo
ck‐
ing sy stem) H-2
1035
MAR‐
QUARDT MS2 (lo
cking
sy stem) H-1
7598 Manu‐
fa
ctu rer Model desig‐
nation Ra
dio equip‐
ment appr oval
number
MAR‐
QUARDT MS4 (lo
cking
sy stem) H-231
01
MAR‐
QUARDT MS5 (locking
sy
stem) H-24933
MAR‐
QUARDT MK1 (locking
sy
stem) H-1
7213
MAR‐
QUARDT MK2 (locking
sy
stem) H-1
7212
MAR‐
QUARDT 3350.38
(locking sys‐
te
m) H-23
16 6
MAR‐
QUARDT MU1 (locking
sy
stem) H-231
02 Manu‐
fa
ctu rer Model desig‐
nation Ra
dio equip‐
ment appr oval
number
MAR‐
QUARDT MU2 (lo
cking
sy stem) H-24936
Schrader AG5SP4 (tyre
pressu remon‐
itoring sensor) H-4
788
Schrader GG4T (ty re
pressure mon‐
itoring sensor) H-20495
Schrader DG6W2D4 (tyre pressure
monitoring
sensor) H-20959
Ve oneer 77V12BSM
(radar sensor) C-23670 Te
ch nical da ta403

Manu‐
fa
ctu rer Model desig‐
nation Ra
dio equip‐
ment appr oval
number
Ve oneer 77V12CRN
(radar sensor) C-236
72
Ve oneer 77GHz
MMRV1 (radar
sensor) EXPE
NACOM
9967/20 17
WITTE-
Ve lbert SDHT
AG3NFC
(lo cking sys‐
te m) H-24664 Au
stra lia Manu‐
fa
c‐
tu rer Model desig‐
nation
Ra
dio equipment
appr oval number
Huf
Bao‐
long TS
SRE4A (ty re
pressure moni‐
to ring sensor) Huf
Bao‐
long
TS
SSG4G6
(ty re pressure
monitoring
sensor) Huf
Bao‐
long
TS
SSG4G6b
(ty re pressure
monitoring
sensor) Manu‐
fa
c‐
tu rer Model desig‐
nation Ra
dio equipment
appr oval number
Schrad
er AG
5SP4 (tyre
pressu remoni‐
to ring sensor) Schrad
er
GG4T (ty
re
pressure moni‐
to ring sensor) Schrad
er
DG6W2D4
(ty
re pressure
monitoring
sensor) 404
Tech nical da ta

Bahamas
Man‐
ufac‐
turer
Model
designa‐
tion Ra
dio equipment
appr oval number
Ve on‐
eer 77
V12BS
M (radar
sensor) FCC ID: WU8
77V12BSM
Ve on‐
eer 77
V12CR
N (radar
sensor) FCC ID: WU8
77V12CRN Belarus
Manu‐
fa
ctu rer Model des‐
ignation Ra
dio equipment
appr oval number
Continen‐
tal
Antenna RKE223E1
(antenna
amplifi
er) Continen‐
ta
lAu to‐
motive CMKG1
(locking sys‐
te
m) Continen‐
ta
lAu to‐
motive MARS
Key‐
less (locking
sy stem) Manu‐
fa
ctu rer Model des‐
ignation Ra
dio equipment
appr oval number
HELL AD M4 (lock‐
ing sy stem) MAR‐
QUARDT
DC12A
(locking sys‐
te
m) MAR‐
QUARDT
DC12B
(locking sys‐
te
m) MAR‐
QUARDT
DC12K
(locking sys‐
te
m) Te
ch nical da ta405

Manu‐
fa
ctu rer Model des‐
ignation Ra
dio equipment
appr oval number
MAR‐
QUARDT MS2 (lo
ck‐
ing sy stem) MAR‐
QUARDT
MS4 (lock‐
ing sy
stem) MAR‐
QUARDT
MS5 (lock‐
ing sy
stem) MAR‐
QUARDT
MK1 (lock‐
ing sy
stem) Manu‐
fa
ctu rer Model des‐
ignation Ra
dio equipment
appr oval number
MAR‐
QUARDT MK2 (lo
ck‐
ing sy stem) MAR‐
QUARDT
MU1 (lock‐
ing sy
stem) Botswana
Manu‐
fa
ctu rer Model desig‐
nation Ra
dio equip‐
ment appr oval
number
ADC ARS4-A (radar sensor) BOCRA/TA/
20
18 /2026
ADC ARS4-B (radar sensor) BOCRA/TA/
20
19 /4582
Bosc hF R5CPCCF
(radar sensor) BO
CRA/ TA /
20 19 /49 75
Bosc hM RR1Rear
(radar sensor) BO
CRA/ TA /
20 17 /3 788
Continen‐
tal
Antenna RKE2
13E1
(antenna
amplifi er) BO
CRA/ TA /
20 17 /4387
Continen‐
tal
Antenna RKE223E1GN
S (antenna
amplifi
er) BO
CRA/ TA /
20 17 /5050 406
Tech nical da ta

Manu‐
fa
ctu rer Model desig‐
nation Ra
dio equip‐
ment appr oval
number
Continen‐
ta lAu to‐
motive CMKG1 (lock‐
ing sy
stem) BO
CRA/ TA /
20 19 /50 75
Continen‐
ta lAu to‐
motive MARS
Keyless
(locking sys‐
te m) BO
CRA/ TA /
20 19 /4661
HELL AD M4 (locking
sy stem) BO
CRA/ TA /
20 19 /4662
Hirsch‐
mann 920287A
(locking sys‐
te
m) BO
CRA/ TA /
20 19 /4 724
Hirsch‐
mann 920287B
(lo
cking sys‐
te m) BO
CRA/ TA /
20 19 /4 723
Huf Bao‐
long TS
SRE4A (ty re
pressure moni‐
to ring sensor) No. 20233 Manu‐
fa
ctu rer Model desig‐
nation Ra
dio equip‐
ment appr oval
number
HUF HUF4 761
(locking sys‐
te m) BO
CRA/ TA /
20 19 /4664
LEOPOLD
KO STAL KK1 (locking
sy
stem) BO
CRA/ TA /
20 19 /4593
MAR‐
QUARDT DC12A (lock‐
ing sy
stem) BO
CRA/ TA /
20 19 /4389
MAR‐
QUARDT DC12B (lock‐
ing sy
stem) BO
CRA/ TA /
20 19 /4388
MAR‐
QUARDT DC12K (lock‐
ing sy
stem) BO
CRA/ TA /
20 19 /4390
MAR‐
QUARDT MS2 (locking
sy
stem) BO
CRA/ TA /
20 19 /513 5
MAR‐
QUARDT MS4 (locking
sy
stem) BO
CRA/ TA /
20 19 /4 758 Manu‐
fa
ctu rer Model desig‐
nation Ra
dio equip‐
ment appr oval
number
MAR‐
QUARDT MS5 (lo
cking
sy stem) BO
CRA/ TA /
2020/5 473
MAR‐
QUARDT MK1 (locking
sy
stem) BO
CRA/ TA /
20 19 /4359
MAR‐
QUARDT MK2 (locking
sy
stem) BO
CRA/ TA /
20 19 /4360
MAR‐
QUARDT 3350.38 (lock‐
ing sy
stem) BO
CRA/ TA /
20 19 /4687
MAR‐
QUARDT MU1 (locking
sy
stem) BO
CRA/ TA /
20 19 /4 759
Schrader AG5SP4 (tyre
pressu remoni‐
to ring sensor) No.
1967
Ve oneer 77V12BSM
(radar sensor) BO
CRA/ TA /
20 19 /49 75 Te
ch nical da ta407

Manu‐
fa
ctu rer Model desig‐
nation Ra
dio equip‐
ment appr oval
number
Ve oneer 77V12CRN
(radar sensor) BO
CRA/ TA /
20 19 /4980
WITTE-
Ve lbert SDHT
AG3NFC
(lo cking sys‐
te m) BO
CRA/ TA /
20205342 Brazil
Manu‐
fa
ctu rer Model des‐
ignation Ra
dio equipment
appr oval number
ADC ARS4-C (radar sen‐
sor) 06
78 3-19-02496
Bosc hF R5CPCCF
(radar sen‐
sor) 06351-
19-03 74 5
Continen‐
tal
Antenna RKE2
13E1
(antenna
amplifi er) 3691-15-5298
Continen‐
ta lAu to‐
motive CMKG1
(locking sys‐
te
m) 00325-20-02
14 9 Manu‐
fa
ctu rer Model des‐
ignation Ra
dio equipment
appr oval number
Continen‐
ta lAu to‐
motive MARS
Key‐
less (locking
sy stem) 03
18 9-17-02856
HELL AD M4 (lock‐
ing sy stem) 04689-17-05364
Hirsch‐
mann 9202
87A
(locking sys‐
te m) 18
55-12-5 76 2
Hirsch‐
mann 920287B
(lo
cking sys‐
te m) 17
87 -12-8058
HUF HUF14632 (locking sys‐
tem) 03627-15-06643408
Tech nical da ta