2020 MERCEDES-BENZ S-CLASS SALOON LONG steering

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivel mo vement and do not re-couple the trailer until thewa rning/indicator lamp goes out. #
Notethe messages on the driver displa y.
If th e trailer hitch is swivelling: #
Wait until the ball neck has reached the operational position.
Ù
Po we rst eering warning
lamp (yellow) *T
he yellow po werst eering warning lamp is lit when the engine is running.
The po wer assi stance or thesteering itself is malfunctioning. #
Notethe messages on the driver displa y.
Ù Po we rst eering warning
lamp (red) *T
he red po werst eering warning lamp is lit while the engine is running.
The po wer assi stance or thesteering itself is malfunctioning. &
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do
not continue driving under any circums tances. Display messa
ges and warning/indicator lamps 553

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Consult a qualified specialist workshop. #
Notethe messages on the driver displa y.
Ù Re ar axle steering warning
lamp (yellow) *T
he yellow rear axle steering warning lamp is lit while the engine is running.
The rear axle steering is malfunctioning. #
Notethe messages on the driver displa y.
Ù Re ar axle steering warning
lamp (red) *T
he redre ar axle steering warning lamp is lit while the engine is running.
The rear axle steering is malfunctioning. &
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do
not continue driving under any circums tances. #
Consult a qualified specialist workshop. #
Notethe messages on the driver displa y.554
Display messages and warning/indicator lamps

Ty
re pressure moni tor Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
h Ty re pressure monitoring
sy stem warning lamp
fl ashes *The
yellow tyre pressure monitor warning lamp (pressure loss/malfunction) flashes for appro ximately one minu te
and then remains lit.
The tyre pressu remonitor is malfunctioning. &
WARNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
The tyre pressure monitoring sy stem cann otissue a warning if there is pressure loss in one or more of the tyres.
Ty res with insuf ficient tyre pressure may impair the driving characteristics as well as steering and braking. #
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. h
Ty re pressure monitoring
sy stem warning lamp lights
up *T
he yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tyre pressure monitoring sy stem has de tected tyre pressure loss in at least one of the tyres. &
WARNING Risk of an accident due toinsuf ficient tyre pressure
R The tyres can bu rst.
R The tyres can wearexc essively and/or une venly.
R The driving characteristics as well as thesteering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. Display messages and
warning/indicator lamps 565

Ac
tive Lane Keeping Assist
Ac tivating/deactivating......................... 257
Ac tivating/deactivating thewa rning.....2 57
Fu nction................................................ 255
Setting the sensitivity............................2 57
Sy stem limits.........................................2 55
Tr ailer operation.................................... 255
Ac tive Parking Assist
Cross traf fic wa rning............................. 281
Drive AwayAssi st.................................. 280
Exiting a pa rking space......................... .275
Fu nction................................................ 271
Manoeuvring brake function.................. 281
Pa rking................................................. .273
Sy stem limitations................................. 271
Ac tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ac tive Speed Limit Assi st
Displ ay.................................................. 234
Fu nction................................................ 234
Ac tive Steering Assist
Ac tivating/deactivating......................... 239
Ac tive Emergency Stop Assis t............... 239
Ac tive Lane Change Assi st.................... 24 0Fu
nction................................................ 237
Sy stem limits.........................................2 37
Ac tive Traf fic Jam Assist
Fu nction................................................ 236
Ad aptive brake lights................................ 226
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive Highbeam Assist Plus
Fu nction................................................ 15 9
Switching on/of f................................... 16 0
Ad Blue ®
Ad ditives...............................................4 84
Capacity................................................ 485
No tes....................................................2 09
Purity..................................................... 484
To pping up............................................. 210
Ad ditional door lo ck.................................... 81
Ad diti ves
Ad Blue ®
................................................ 484
Engine oil.............................................. 485
Fu el....................................................... 482
Ad diti ves (AdBlue ®
)
see AdBlue ® Ad
diti ves (engine oil)
see Additives
Ad diti ves (fuel)
see Fuel
ADS PLUS damping sy stem
see AIRMATIC
Af ter-sales service centre
see ASS YST PLUS
Air conditioning menu Calling up............................................... 174
Air distribution Setting................................................... 172
Setting (MBUX multimedia sy stem)........ 174
Air freshener sy stem
see Frag rance sy stem
Air inlet see Air-water duct
Air pressure see Tyre pressure
Air suspension see AIRMATIC
Air vents
Ad justing (front).................................... 185568
Index

&
inoperative See Owner's Man....... 501
! inoperative See Owner's Man‐
ual......................................................... 534
÷ inoperative See Owner's Man‐
ual......................................................... 535
T inoperative See Owner's Man‐
ual......................................................... 536
G Inoperati ve................................... 537
¥ Intensi vecleaning acti vatedfor
30 s....................................................... 509
Á Key not de tected (red displ ay
messa ge)............................................... 497
Á Key not de tected (white displ ay
messa ge)............................................... 496
: Left dipped beam (e xamp le)........ .498
6 Left wind owbag malfunction
Consult workshop (e xample)................ .493
: Malfunction See Owner's Man‐
ual......................................................... 498
¢ Max. speed 20km/h.................... 531 ð
Maximum speed exceeded ........... 524
ç Off................................................5 23
ë Off................................................ 521
ï Operation only possible in
transmission position P......................... 503
! Parking brake See Owner's
Manual .................................................. .517
È passive......................................... 522
Ý Please wait 48 V battery charg‐
ing ........................................................ .540
Ù Rear axle steering cur rently
malfunctioning ...................................... 506
Ù Rear axle steering Malfunction
St op immediately ..................................5 07
Ù Rear axle steering Malfunction
Vi sit workshop.......................................5 06
h Rectify tyre pressure.................... 543
Ø Refill Ad Blue See Owne r’s
Manual.................................................. 545
! Release parking brake ..................519ý
Replace air cleaner .......................5 12
Á Replace key.................................. 496
8 Reser vefuel le vel.......................... 512
6 Restra int sy stem malfunction
Consult workshop................................. 493
Ù Steering malfunction Drive
carefully Visit workshop........................5 05
Ù Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual ...... 505
Ù Steering malfunction Stop
immediately See Owner's Manual ......... 506
# Stop theve hicle Lea vethe
engine running tocharge the12 V
battery..................................................5 39
É STOP Vehicle le velto o low ........... 531
# Stop vehicle See Owner's Man‐
ual......................................................... 538
Û Stop vehicle See Owner's Man‐
ual......................................................... 539
ç suspended................................... 523 576
Index

:
Switch off lights ........................... 499
: Switch on headlamps................... 499
# Switch on the engine tocharge
th e12 V battery .................................... 539
Ø Top up AdBlue Emergency op.
in XXX km See Owner's Manual............ 545
+ Top up coolant See Owner ’s
Manual................................................... 51 0
¥ Top up washer fluid ...................... 509
ï Trailer coupling in motion .............503
! Turn on the ignition torelease
th e parking brake..................................5 20
d Vehicle is operational Switch
off ignition before exiting..................... .503
É Vehicle rising Please wait............ .532
h Warning tyre defect..................... .543
h Wheel sensor(s) missing.............. 542
Ø XX,X l Top up AdBlue Emerg.
op.: max. XXX km/h Start not poss.
in XXX km .............................................. 545Ø
XX,X l Top up AdBlue Ignition
ON, wait 60s, or engine start not
possible ................................................ .546
Ac tive Blind Spot Assi stcur rently
una vailable See Owner's Manual ...........527
Ac tive Blind Spot Assi stinope rative ...... 527
Ac tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual .................................................. 527
Ac tive bonnet malfunction See Own‐
er's Manual........................................... 507
Ac tive Brake Assi stFunctions cur‐
re ntly limited See Owner's Manual ........ 536
Ac tive Brake Assi stFunctions limited
See Owner's Manual............................. 537
Ac tive Dis tance Assi stavailable again ...5 24
Ac tive Dis tance Assi stcur rently
una vailable See Owner's Manual ...........523
Ac tive Dis tance Assi stinope rative ......... 524 Ac
tive Emergency Stop Assist cur‐
re ntly una vailable See Owner's Man‐
ual......................................................... 525
Ac tive Emergency Stop Assist inop‐
erative................................................... 525
Ac tive Lane Change Assi stcur rently
una vailable See Owner's Manual ...........526
Ac tive Lane Change Assi stinope ra‐
tive........................................................ 526
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual ...........527
Ac tive Lane Keeping Assist inopera‐
tive........................................................ 528
Ac tive Parking Assist and
PA RKTRONIC inoperati veSee Own‐
er's Manual........................................... 533
Ac tive Steering Assist cur rently
una vailable due tomultiple emer‐
ge ncy stops...........................................5 25 Index
577

Ac
tive Steering Assist cur rently
una vailable See Owner's Manual ...........524
Ac tive Steering Assist inoperative ......... 525
Ac tive Stop-and-Go Assist cur rently
una vailable see Owner's Manual ...........526
Ac tive Stop-and-Go Assist inopera‐
tive See Owner's Manual....................... 526
Ad aptive Highbeam Assist Plus cur‐
re ntly una vailable See Owner's Man‐
ual......................................................... 500
Ad aptive Highbeam Assist Plus inop‐
erative.................................................. .500
Ambient light warning support inop‐
erative.................................................. .509
Anti-theft alarm sy stem Malfunction ..... 509
Apply brake and start engine toshift
out of P or N.......................................... 513
App lybrake todeselect P position .........513
App lybrake toengage D or R.................5 13
App lybrake toengage R ........................ 513App
lyparking brake topark Visit
wo rkshop...............................................5 13
Au xilia rybattery malfunction .................516
Cann otstart engine See Owner's
Manual................................................. .540
Change steering wheel/ seat posi‐
tion until 6 dots are visible on the
upper edge of the screen...................... 530
Check dipped-beam setting (left/
ri ght-side traf fic)................................... 500
Consult workshop without changing
th e transmission position....................... 51 5
Device de tected at diagnostics con‐
nection See Owner's Manual................. 537
DIGITAL LIGHT Functions limited ........... 499
Dipped-beam setting (left/right-side
traf fic) Manual adjustment only............ 500
Driver came rainope rative See Own‐
er's Manual........................................... 530 Driver camera view cur
rently restric‐
te d See Owner's Manual....................... 529
Fr ont passenger airbag disabled See
Owner's Manual....................................4 94
Fr ont passenger airbag enabled See
Owner's Manual....................................4 94
Haza rdwa rning lamp sy stem Mal‐
function................................................. 500
Limited availability of Active Parking
Assist manoeuvring assis tant See
Owner's Manual.................................... 532
Limiter inope rative................................ 523
Mo tor can be star ted again.................... 541
MULTIBEAM LED Functions limited ....... 499
N au tomatical lyactivated Please
engage transmission position again .......515
Only select P when vehicle is station‐
ary......................................................... 512578
Index

Driver camera
Activating/deactivating......................... 307
Overview.............................................. .306
Driver display 48 V on-boa rdelectrical sy stem............2 96
Displ aying the service due dat e............. 347
EQ Boost tech nology............................. 296
Fu nction/no tes..................................... 291
No tes on menus.................................... 292
Operating..............................................2 91
Overview of displa ys.............................. 297
Driver display with driver came ra............. 10
Driver's display Indicator/ warning lamps...................... .550
Driver's seat see Seat
Driving abroad Light adju stment (low beam)................. 15 2
Driving saf ety sy stem
ABS (Anti-lock Braking Sy stem).............2 21
Ac tive Brake Assi st................................ 24 3
Ad aptive brake lights............................. 226
BA S (Brake Assi stSystem).................... 222
Cameras................................................ 220 EBD (Elect
ronic Brake forc e Distribu‐
tion).......................................................2 24
ESP ®
Crosswind Assi st.......................... 223
ESP ®
trailer stabilisation...................... .223
Overview.............................................. .221
Ra dar and ultrasonic sensor s................ 220
Re sponsibility........................................2 19
ST EER CONTROL................................... 224
Driving sy stem
see 360° Camera
see Active Blind Spot Assi st
see Active Dis tance Assi stDISTRONIC
see Active Emergency Stop Assist
see Active Lane Change Assi st
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assi st
see Active Steering Assist
see AIRMATIC
see ATTENTION ASSIST with micro‐
sleep de tection
see Driving saf ety sy stem
see HOLD function
see Limiter
see Parking Assist PARKTRONIC see
Remo teParking Assist
see Reversing camera
see Traf fic Sign Assi st
Driving tips Driving abroad (low beam light
adjustment).......................................... .152
Gene ral driving tips.............................. .192
optimised acceleratio n..........................191
Ru nning-in no tes.................................... 191
Dr ows iness de tection
see ATTENTION ASSIST with micro‐
sleep de tection
Dynamic handling control sy stem
see ESP ®
(Elect ronic Stability Prog ram)
DY NA MIC SELECT
Configuri ng drive program I................... 200
Displaying engine da ta.......................... 201
Displaying vehicle dat a.......................... 201
Drive program displ ay........................... 200
Drive programs...................................... 19 9
Fu nction................................................ 19 9
Operating (DYNAMIC SELECT switch)... 200
Selecting the drive prog ram.................. 200 580
Index