sensor MERCEDES-BENZ S-CLASS SALOON LONG 2021 Workshop Manual

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Notethe messages on the driver displa y.
If t
If t he coolant t
he coolant t em
emper
per atur
atur e displa
e displa y is at t
y is at the low
he lower end of t
er end of t he t
he tem
emper
per atur
atur e scale:
e scale: #
Consult a quali/ed specialist workshop.
If t
If t he coolant t
he coolant t em
emper
per atur
atur e displa
e displa y is at t
y is at the upper end of t
he upper end of t he t
he tem
emper
per atur
atur e scale:
e scale: #
Exit theve hicle and keep a safe distance from it until the engine has cooled down. #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest quali/ed specialist workshop. In doing so, ensu rethat the
coolant temp erature display remains below 120°C.
ÿ
Coolant warning lamp (yel-
low) *T
he yellow coolant warning lamp is lit while the engine is running.
Po ssible causes:
R The temp erature sensor is malfunctioning
R The charge air, transmission oil or battery cooling is faulty
R The radiator shutters are bloc ked or defective #
Avoiding high loads on the engine, drive tothe nearest quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
579
579

Dr
Dr
iving syst
iving syst ems
ems W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
L
Wa rning lamp for distance
wa rning function *T
he red distance warning lamp lights up while theve hicle is in motion.
The dis tance totheve hicle in front is too small forth e speed selected.
If th ere is an additional warning tone, you are approaching an obstacle at too high a speed. #
Be prepared tobrake immediatel y. #
Increase the distance.
Fu nction of Active Brake Assist (/ page 290).
Ó Ac tive Brake Assist warning
lamp *T
heActive Brake Assist warning lamp is on.
Due todirty sensors or a malfunction, the system is not available or thera nge of functions is restric ted. #
Notethe messages on the driver's displa y.
ê
Ac tive Brake Assist warning
lamp *T
heActive Brake Assist warning lamp is on.
The system is switched o. or thera nge of functions has been automatically restric ted.
This may be the case if the driver is not wearing a seat belt or ano ther driving system has been activated. #
Obser vethe no tes on Active Brake Assist (/ page 290).584
584
Display messages and
warning/indicator lamps

C
C
Calls
Calls Mercedes me......................................... 400
Camera
Camera, ROAD SURF ACE SCAN
Information........................................... .267
Car w
Car w ash (car
ash (car e)
e)............................................ 429
Car
Car -t
-to-X
o-X -Communication
-Communication
Displaying hazard warnings.................... 394
Care
Care 360° camera......................................... 433
Air-water duct........................................ 429
Automatic car wash.............................. .429
Carpet................................................... 434
Decorative foil........................................ 432
Display................................................... 434
EAS Y-PA CK bo otbox.............................. 434
Exterior lighting...................................... 433
Head-up display..................................... 434
High-pressure cleaner............................ 430
Pa int...................................................... 431
Plastic trim............................................4 34
Re alwo od/trim elements......................4 34
Re versing camera..................................4 33
Ro of lining............................................. 434 Seat belt................................................ 434
Seat co
ver............................................. 434
Sensors................................................. 433
St eering wheel....................................... 434
Ta ilpipes................................................ 433
Tr ailer hitc h............................................ 433
Ve hicle soc ketfo rth e high-voltage
battery................................................... 433
Wa shing byhand.................................... 431
Wheels/rims.......................................... 433
Wi ndo ws................................................ 433
Wi per blades.......................................... 433
Car Car pe
pet (Car
t (Car e)
e)............................................... 434
Centr
Centr e airbag (dr
e airbag (dr iv
iver
er , fr
, fr ont passeng
ont passeng er)
er)............ 53
Changing g
Changing g ears
ears, Selecting a gear
Manually................................................ 233
Changing hub caps
Changing hub caps ....................................... 470
Char
Char ging
ging
At time of depa rture............................... 387
Char geleve l displa y............................... 258
Charg ing cable control panel.................. 247
Con/guring weekly pro/le...................... 387
Ending thech arging process (alternat-
ing cur rent, mode 2/3).......................... 253 Ending
thech arging process (direct
cur rent, mode 4).................................... 257
Indica tor lamps on vehicle soc ket........... 248
Maximum charging cur rent (mains
soc ket).................................................. 246
No tes - charging station (mode 3)......... .245
No tes - fast charging station (mode 4)... .246
No tes - mains soc ket (Mode 2)............... 244
No tes - wallbox (mode 3)........................ 245
No tes on charging the high-voltage
battery................................................... 241
No tes on wireless chargin g.................... 164
On-boa rdelectrical system battery
(12 V).................................................... 448
St arting thech arging process (alter-
nating cur rent, mode 2/3)..................... 250
St arting thech arging process (direct
cur rent, mode 4).................................... 254
St ow ing thech arging cable.................... 241
USB port............................................... .161
Char Char ging cable
ging cable
Control panel......................................... 247
St ow ing................................................. 241
Chau.eur Chau.eur mode
mode, Seat
Fo lding the head restraint ba ck/up........ 128 Ind
ex
595
595

¸
temp orarily una vailable Sensors
dirty....................................................... 546
Ø Top up AdBlue Emer gency op. in
XXX km See Owner's Manual................ .566
+ Top up coolant See Owner ’s
Manual.................................................. 526
¥ Top up washer 0uid...................... .524
u Towing not permitted See Own-
er's Manual ............................................ 508
ï Trailer coupling in motion .............. 516
d Vehicle is operational Switch o.
ve hicle before exiting............................. 516
É Vehicle rising Please wait.............. 552
h Warning tyre defect....................... 564
h Wheel sensor(s) missing ................ 563
Ø XX,X l Top up AdBlue Emerg.
op.: max. XXX km/h Start not poss.
in XXX km.............................................. 566 Ø
XX,XlTop up AdBlue Swit ch
ve hicle on, wait 60 sec. or engine
start not poss........................................ 567
"Electric" drive prog ram cur rently
una vailable............................................. 510
AC charging inoperative Consult work-
shop ...................................................... 510
Ac tive Blind Spot Assist cur rently
una vailable See Owner's Manual ............ 544
Ac tive Blind Spot Assist inoperative........ 545
Ac tive bonnet malfunction See Own-
er's Manual............................................ 521
Ac tive Brake Assist Functions cur-
re ntly limi ted See Owner's Manual .........557
Ac tive Brake Assist Functions limi ted
See Owner's Manual.............................. 558
Ac tive Distance Assist available again ..... 540
Ac tive Distance Assist cur rently
una vailable See Owner's Manual ............ 539
Ac tive Distance Assist inoperative.......... 540 Ac
tive Emer gency Stop Assist cur-
re ntly una vailable See Owner's Manual ... 542
Ac tive Emer gency Stop Assist inoper-
ative...................................................... 542
Ac tive Lane Change Assist cur rently
una vailable See Owner's Manual ............ 542
Ac tive Lane Change Assist inoperative... 543
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ............ 545
Ac tive Lane Keeping Assist inoperative... 545
Ac tive Parking Assist and
PA RKTRONIC inope rative See Own-
er's Manual............................................ 553
Ac tive Steering Assist cur rently
una vailable due tomultiple emer-
ge ncy stops........................................... 541
Ac tive Steering Assist cur rently
una vailable See Owner's Manual ............ 541
Ac tive Steering Assist inoperative...........5 41 Index
601 601

Risk of
vehicle rolling away N acti va-
te d manually No automatic switch to P... 530
Snow chain mode Maximum speed
ex ceeded ............................................... 521
Speed limit (winter tyres) XXX km/h .......540
To switch o. theve hicle, press the
St art/ Stop button for at least 3 sec-
onds or 3 times...................................... 525
Tr a1c Sign Assist cur rently una vaila-
ble See Owner's Manual........................ 544
Tr a1c Sign Assist inoperative................. 544
Tr ansmission Malfunction Stop............... 531
Ty re press. monitor cur rently una vaila-
ble......................................................... 562
Ty re press. monitor inoperative .............. 562
Ty re press. monitor inoperative No
wheel sensors ........................................ 563
Ty re(s) ove rheated .................................. 565
Ve hicle not cur rently being charged
Charging station fault............................. 509 Wi
per Malfunction.................................. 525
Door Door Additional door loc k................................. 92
Child saf ety lock (rear door )..................... 85
Locking/unlocking (emer gency key)........ .96
Opening (from inside)............................... 93
Po we r closing function............................. 96
Unlocking (from inside)............................ 93
Door contr Door contr ol panel
ol panel,Function seat.................. .16
Door contr
Door contr ol panel (r
ol panel (rear)
ear)................................ 18
Dr
Dr iv
ive Awa
e Away Assi st
y Assi st, Pro tection against col-
lision............................................................ 330
Dr Dr iv
ive position
e position
Engaging................................................ 233
Dr
Dr iv
ive pr
e pr ogr
ogram display
am display ..................................2 28
Dr
Dr iv
iver camera
er camera
Ac tivating/deactivating.......................... 377
Overview................................................ 377
Dr
Dr iv
iver display
er display
Displaying the service due dat e.............. 423
Fu nction/no tes...................................... 345
Spo rtmenu........................................... .347
Dr
Dr iv
iver displa
er displa y wit
y with dr
h driv
iver camera
er camera .................... 12 Dr
Dr
iv
iver's display
er's display
48 V on-board electrical system............. 352
No tes on menu s..................................... 346
Operating.............................................. 345
Wa rning/indicator lamps........................ 571
Dr Dr iving abr
iving abr oad
oad
Light adjustment (low beam).................. 169
Dr
Dr iving safe
iving safe ty syst
ty system
em
ABS (Anti-lock Braking System).............. 269
Ac tive Brake Assist................................. 290
Ad aptive brake lights.............................. 273
BAS (Brake Assist System).................... .269
Cameras................................................2 67
EBD (Electronic Brake forc e Distribu-
tion).......................................................2 71
ESP ®
Crosswind Assist.......................... 270
ESP ®
trailer stabilisation........................ 271
Overview................................................ 268
Ra dar and ultrasonic sensor s................. 267
Re sponsibility......................................... 266
ST EER CONTROL................................... 271
Dr Dr iving tips
iving tips
Driving abroad (low beam light adjust-
ment).................................................... .169
General driving tips................................ 215 604 604
Index

Engine
Engine
Engine number....................................... 480
Starting (emer gency ope ration mode). ... 212
St arting (Remo teOnline)........................ 213
Engine data Engine data Displaying...................................... 229, 230
Engine electr
Engine electr onics
onics
No tes..................................................... 477
Engine number
Engine number............................................. 480
Engine oil Engine oil Additives................................................ 487
Capacity................................................ 488
Checking the oil le vel using the driver
display................................................... 426
MB-F reigabe or MB-Appr oval................. .488
Quality................................................... 488
Te mp erature (driver displa y,Spo rt
menu).................................................... 347
To pping up............................................ .427
ERA ERA -GL
-GLON
ONASS tASS t es
est modet mode
St arting/ending.................................... .414
ESP
ESP ®
®
Crosswind Assist....................................2 70
Tr ailer stabilisatio n................................. 271 ESP
ESP
®
®
(Electr
(Electronic St
onic Stability Pr
ability Pr ogr
ogram)
am)
Ac tivating/deactivating.......................... 271
Fu nction/no tes...................................... 269
EU type appr ov
EU type appr oval number
al number ............................. 480
Exiting pr
Exiting pr ocedure
ocedure
Playing back.......................................... 336
Ext
Ext er
erior lighting
ior lighting
Care...................................................... 433
Ey
Ey e contr
e contr ol
ol
Operating the Look and Answer func-
tion........................................................ 360 F
F
F
F a
av
vour
our it
ites
es
Ad ding................................................... 379
F
F ine par
ine par ticle st
ticle status display
atus display ........................... 191
F
F ir
ir e e
e e xtinguisher
xtinguisher.......................................... 438
F
F irs
irst-aid kit t-aid kit (soT
(soTsided)
sided)................................. 438
Flacon
Flacon Inserting/removing................................ 195
Flat tyre
Flat tyre, Breakdown MOExtended tyres................................. 439 No
tes..................................................... 439
TIREFIT kit.............................................. 440
Wheel chang e........................................ 470
Floor mats
Floor mats................................................... 167
F F og light (enhanced)
og light (enhanced) .................................... .173
F
F oil cov
oil cov er
ering
ing
Ra dar and ultrasonic sensor s................. 267
F
F olding t
olding t able
able................................................ 151
F
F oo
oo tr
trest
est
Re ar passen ger seat...............................1 28
Fr
Fr agr
agr ance syst
ance syst em
em, Air freshener system,
Fr ag rance, Perfume, Perfume vial
Ac tivating/deactivating.......................... 194
Ad justing the frag rance intensity............ 194
Inserting/removing the 0acon................1 95
Setting................................................... 195
Fr
Fr ee
ee soTw
soTw are
are................................................. 44
Fr
Fr eq
eq uencies
uencies
Mobile phone......................................... 478
Tw o-w ayradio........................................ 478
Fr Fr ont airbag (dr
ont airbag (dr iv
iver
er , fr
, fr ont passeng
ont passeng er)
er).............. 53
Fr
Fr ont passeng
ont passeng er head r
er head res
estrtraint
aint
Fo lding back/up (chau.eur mode)......... 128 606
606
Index

Seat belt adjus
Seat belt adjustment
tment
Ac tivating/deactivating............................ 52
Fu nction.................................................. 52
Seat belt e
Seat belt e xt
xtender
ender.......................................... 50
Seat belt t
Seat belt t ensioners
ensioners
Ac tivation................................................ 46
Seat cov
Seat cov er (Car
er (Care)
e)......................................... 434
Seat heating
Seat heating Activating/deactivating.......................... 137
Seat v
Seat v entilation
entilation
Switching on/o..................................... 139
Self-t
Self-t est
est
Au tomatic front passenger airbag shut
o............................................................. 58
Sensor
Sensor s (car
s (care)
e)............................................. 433
Se
Se tting t
tting t he f
he foo
ootw
twell t
ell t em
emper
per ature
ature
Settin g................................................... 192
ShiTing
ShiTing g
gears
ears
Gears hiTrecommendation..................... 234
Side airbag
Side airbag ..................................................... 53
Side windo ws
Side windo ws
Au tomatic function................................. 106 Child saf
ety lock in there ar..................... .86
Closing using theke y............................ .107
Con venience closing.............................. 107
Con venience opening............................. 106
Opening with theke y.............................. 106
Opening/closing.................................... 104
Problem................................................. 107
Ra in closing function.............................. 106
Ro ller sunblind (electric).........................1 13
Sliding sunr Sliding sunr oof
oof
Au tomatic functions............................... 111
Closing.................................................. 108
Closing using theke y............................ .107
Opening................................................. 108
Opening with theke y.............................. 106
Problem................................................. 111
Ra in-closing feature............................... 111
Smar Smar tphone int
tphone int egr
egration
ation, Android Auto,
Apple CarPlay ®
, Mobile phone, Smart-
phone, iPhone ®
Overview................................................ 408
Sno
Sno w c
w chain mode
hain mode
Ac tivating/deactivating.......................... 462
Sno
Sno w c
w chains
hains, Anti-skid chains..................... .461 Soc
ke
Soc ket (12 V)
t (12 V)
Re ar....................................................... 160
Soc ke
Soc ket (230 V)
t (230 V), 230 V soc ket
Re ar....................................................... 160
SoTw
SoTw are
areupdate
update
System updates.................................... .382
Sound
Sound PRE-SAFE ®
Sound................................... 63
Sound menu
Sound menu Functions overview................................ 422
Speci/c
Speci/c absorp
absorption r
tion rate
ate................................. 29
Speed limit f
Speed limit f or wint
or winter tyr
er tyres
es
Setting................................................... 276
St
St andb
andb y mode
y mode
Ac tivating/deactivating.......................... 266
Fu nction................................................ 266
St
St anding lights
anding lights............................................. 169
St
St ar
art/st
t/st op butt
op butt on
on
Pa rking theve hicle................................. 258
St arting theve hicle............................... .211
Switching on the po wer supply/vehicle.. 210
St
St art
art er batt
er batt ery
ery
Charging (Remo teOnline)......................2 13618
618
Index

Switching on (start/stop button)............ 210
To
wing................................................... 344
Ve ntilating (con venience opening).......... 106
Vo ice commands (MBUX Voice Assis-
ta nt)..................................................... .359
V V ehicle camera
ehicle camera
Information............................................2 67
V
V ehicle data
ehicle data
Displaying (DYNAMIC SELECT)...............2 29
No tes..................................................... 490
Ro of load............................................... 491
Ve hicle height....................................... .491
Ve hicle length........................................ 491
Ve hicle widt h......................................... 491
Wheelbase............................................. 491
V
V ehicle dimensions
ehicle dimensions...................................... 491
V
V ehicle emerg
ehicle emerg ency st
ency start
art............................... 456
V
V ehicle
ehicle identi/cation
identi/cation plate
plate, Model type
EU type appro val number....................... 480
Maximum gross vehicle weight............... 480
Pa int code............................................. 480
Pe rm issible axle load.............................. 480
VIN........................................................4 80V
V
ehicle int
ehicle int er
erior
ior
Cooling or heating (Remo teOnline)........ 213
V
V ehicle sensors
ehicle sensors
Information............................................ 267
V
V ehicle soc ket
ehicle soc ket
Care...................................................... 433
Indicator lamps...................................... 248
V V ehicle t
ehicle t ool kit
ool kit,To ol
TIREFIT kit.............................................. 440
To wing eye............................................. 456
V V entilating
entilating
Con venience opening............................. 106
VIN
VIN, Vehicle identi/cation number
Identi/cation plate................................ .480
Seat.......................................................4 80
Wi ndsc reen............................................ 480
V
V ision
ision
Demisting windo ws................................ 193
Wi ndsc reen heater................................. 196 W
W
W
W ar
ar m-up (dr
m-up (dr iv
iver display
er display , Spor
, Sport menu)
t menu) ...........3 47W
W
ar
ar ning tr
ning tr iangle
iangle
Re moving............................................... 437
Setting up.............................................. 438
W
W ar
ar ning/indicat
ning/indicat or lamp
or lamp
! ABSwarning lamp......................... 586
Ó Active Brake Assist warning
lamp.............................................. 584, 585
J Brake system warning lamp (red)... 582
J Brake system warning lamp (yel-
low)....................................................... 582
ÿ Coolant warning lamp (red)........... 578
ÿ Coolant warning lamp (yellow).......5 79
! Electric parking brake indicator
lamp (red).............................................. 581
# Electrical fault warning lamp
...................................................... 575, 580
; Engine diagnosis warning lamp...... 580
p Engine operating tempe rature
wa rning lamp......................................... 580
å ESP®
OFF warning lam p................ 587 Index
623 623