2020 MERCEDES-BENZ S-CLASS SALOON LONG brake light

Display messages
Possible causes/consequences and M
MSolutions
÷ currently unavailable See
Owner's Manual *
ESP ®
is temp orarily una vailable.
Other driving sy stems and driving saf ety sy stems (e.g. BAS) may also be malfunctioning. &
WARNING Risk of skidding if ESP is malfunctioning ®
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabilisation. In addition, other driving saf ety sy stems
are switched off. #
Drive carefully on a suitable stre tch of road, making slight steering mo vements at a speed abo ve30 km/h. #
Ifth e display message does not disappear, consult a qualified specialist workshop immediately. Drive care‐
full y. ÷
inoperative See Owner's
Manual *
ESP ®
is malfunctioning.
Other driving sy stems and driving saf ety sy stems (e.g. BAS) may also be malfunctioning.
The brake sy stem will continue tooperate normally. Braking dis tance may increase in an eme rgency braking situa‐
tion. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabilisation. In addition, other driving saf ety sy stems
are switched off. #
Drive on carefull y. #
Have ESP ®
ch ecked at a qualified specialist workshop. Display messages and
warning/indicator lamps 535

Wa
rning and indicator lamps Overview of indicator and
warning lamps Some sy
stems will per form a self-test when the
ignition is switched on. Some indicator and
wa rning lamps may briefly light up or flash. This
behaviour is non-critical. These indicator and
wa rning lamps indicate a malfunction only if they
light up or flash af terth e engine has been star‐
te d or during a journe y.
Driver display Driver display with driver camera
Indicator and
warning lamps:
6 Re
stra int sy stem (/ page 551)
ü Seat belt (/
page 551)
ï Trailer hit ch (/page 552)
Ù Powe rst eering (yellow)
(/ page 552)
Ù Powe rst eering (red) (/ page 552)
Ù Rear-axle steering (yellow)
(/ page 552)
Ù Rear-axle steering (red)
(/ page 552) ÿ
Coolanttemp erature (/ page 555)
; Engine diagnostics (/
page 555)
% Preglow
# Elect
rical fault (/ page 555)
8 Re
ser vefuel with fuel filler flap loca‐
tion indicator (/ page 555)
! Elect
ric pa rking brake (red)
(/ page 558)
! Electric parking brake (yellow)
(/ page 558)
J Brakes (yellow) (/
page 558)
J Brakes (red) (/
page 558)
L Distance warning (/ page 560)
ä AIRMATIC (/ page 560)
! ABS (/
page 562)
÷ ESP®
(/ page 562)
å ESP®
OFF (/ page 562)
H Mercedes me connect
(/page 564)
h Ty
re pressure monitoring sy stem
(/ page 565) 550
Display messages and warning/indicator lamps

Brakes
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
! Elect ric pa rking brake indi‐
cator lamp (red)
!
The elect ric pa rking brake
(yellow) indicator lamp *T
he red elect ric pa rking brake indicator lamp flashes or is lit.
The yellow elect ric pa rking brake indicator lamp also lights up in theev ent of a malfunction. #
Notethe messages on the driver's displa y.
J
Brake sy stem warning lamp
(yellow) *T
he yellow brake sy stem warning lamp is lit while the engine is running. &
WARNING Risk of an accident due toa brake sy stem malfunction
If th e brake sy stem is malfunctioning, braking characteristics may be impaired. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. The hill
start assist may be malfunctioning. #
Adjust your speed and drive on carefull y,leaving a suitable dis tance totheve hicle in front. 558
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Consult a qualified specialist workshop. #
Do not top up the brake fluid. Driving sy
stems Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
L Wa rning lamp for dis tance
wa rning function *T
he red dis tancewarning 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 obs tacle at too high a speed. #
Be prepared tobrake immediatel y. #
Increase the dis tance.
Fu nction of Active Brake Assi st (/ page 243).
ä Suspension warning lamp
(yellow) *T
heyellow AIRMATIC warning lamp is lit.
A fault has occur red in AIRMATIC. #
Notethe messages on the driver displa y.560
Display messages and warning/indicator lamps

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

Priming/deactivating
tow- aw ay pro‐
te ction................................................... 105
To w- aw ay protection function................1 05
AT TENTION ASSI ST
Setting................................................... 228
Sy stem limits.........................................2 26
AT TENTION ASSI STwith microsleep
de tection
Fu nction................................................ 226
At tention assistant
see ATTENTION ASSIST with micro‐
sleep de tection
Au gmented reality
Fu nction on the head-up displa y............ 294
Au thorised workshop
see Qualified specialist workshop
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights ...........................15 3
Au tomatic engine start (ECO start/
sto p function)............................................ 19 6
Au tomatic engine stop (ECO start/
sto p function)............................................ 19 6Au
tomatic front passen ger front air‐
bag deacti vation sy stem
see Automatic front passenger front
airbag shutoff
Au tomatic front passen ger front air‐
bag shu toff
Fu nction of the automatic front
passenger front airbag deactivation
sy stem..................................................... 50
PA SSENGER AIR BAG indicator lamp....... 52
Au tomatic lateral support adjustment
Setting................................................... 12 3
Au tomatic measures af ter an accident..... 56
Au tomatic mir rorfo lding function
Ac tivating/deactivating......................... 17 0
Au tomatic seat adjustment
Setting................................................... 12 2
Au tomatic transmission
DIRECT SELECT le ver............................. 201
Drive program displa y........................... 200
Drive programs...................................... 19 9
DY NA MIC SELECT button......................1 99
Engaging drive position......................... 203
Engaging neutral................................... 202 Engaging park position.......................... 203
Engaging
reve rsege ar........................... 202
Kickdown............................................. .205
Manual gear changing.......................... .204
St eering wheel gearshift paddles.......... 204
Tr ansmission position displa y................ 201
Tr ansmission position s.......................... 201
Axle load Perm issible............................................ 478
Tr ailer operation.................................... 491 B
Bad weather light...................................... 157
Bag hook.................................................... 13 9
Ball ne ck
Extending/r etra cting............................ .283
Extending/r etra cting (MBUX multi‐
media sy stem)....................................... 285
BA S (Brake Assist Sy stem)....................... 222
Battery Remo tecontrol (s tationary heater)........ 183
Battery see Battery (vehicle) 57 0
Index

Battery (k
ey)
Re placing................................................ 79
Bat tery (vehicle)
Charging................................................ 372
Charging (Remo teOnline)...................... 19 0
No tes....................................................3 68
No tes (s tarting assis tance and
ch arging)............................................... 370
Re placing...............................................3 73
St arting assis tance................................ 372
Belt see Seat belt
Belt airbag Activation................................................. 41
Fu nction/no tes....................................... 44
Bic ycle rack
Load capacity........................................ 490
Tr ailer operation.................................... 288
Blo wer
see Climate control
BlueTEC see AdBlue ® Boot box
see EAS Y-PA CK boot box
Boot lid Activating/deactivating the boot lid
opening limiter........................................ 93
Closing....................................................88
HANDS-FREE ACCES S............................. 90
Locking separately.................................. 92
Opening................................................... 87
Opening dimensions.............................. 488
Po we r closing function............................ 88
Un locking (emer gency key)..................... 92
Brake Assist Sy stem
see BAS (Brake Assi stSystem)
Brake fluid Notes....................................................4 86
Brake forc e distribution
EBD (Elect ronic Brake forc e Distribu‐
tion).......................................................2 24
Brakes ABS (Anti-lo ckBraking Sy stem).............2 21
Ac tive Brake Assi st................................ 24 3
Ad aptive brake light s............................ .226
BA S (Brake Assi stSystem).................... 222 Driving tips............................................
19 2
EBD (Electronic Brake forc e Distribu‐
tion)....................................................... 224 HOLD function.......................................2 24
Limited braking ef fect (salt-trea ted
ro ads).................................................... 19 2
New/replaced brakepads/brake discs.. 191
Po st-collision brake................................. 56
Ru nning-in no tes.................................... 191
Braking assistance see BAS (Brake Assi stSystem)
Breakdown Overview of the help functions................ 18
To w- starting.......................................... 378
To wing away.......................................... 375
Tr ansporting theve hicle........................ 376
Wheel chang e....................................... .391
Breakdown see Flat tyre C
Calls Mercedes me........................................ 326 Index
571

Display message
Calling up (driver display)...................... 492
Notes....................................................4 92
Display messages ç - - - km/h ..................................... 523
È - - - km/h ..................................... 522
# 12V on-board electrical sys‐
te m Visit workshop ...............................5 38
Û 48 V battery See Owner's Man‐
ual......................................................... 540
: Active Light Sy stem inoperative... 499
¯ AdBlue sy stem fault Engine
st art not possible................................. .547
¯ AdBlue sy stem fault See Own‐
er's Manual .......................................... .546
¯ AdBlue sy stem malfunction
Emerg. op.: max. XXX km/h Start
not poss. in XXX km............................. .547
¯ AdBlue sy stem malfunction
Emer gency op. in XXX km See Own‐
er's Manual........................................... 5465
Add 1 litre engine oil when
next refuelling....................................... 548
é ATTENTION ASSIST inoperative ....521
P ATTENTION ASSIST Microsleep
Ta ke a break! ........................................ .522
é ATTENTION ASSIS T:Take a
break!....................................................5 22
: Automatic driving lights inoper‐
ative...................................................... 498
Ø Beginning emer gency stop........... 525
J Brake immediately....................... 520
Á Change key bat teries ...................4 96
J Checkbrake fluid le vel................. 520
# Check brake pads See Owner's
Manual.................................................. 521
ï Check trailer hitch lo ck................ 503
h Check tyre(s)................................ 542
! Clean the fuel filter ...................... .512
ÿ Coolant Stop vehicle Switch
engine off..............................................5 10á
currently una vailable Camera
dirty....................................................... 529
¸ Currently una vailable Radar
dirty.......................................................5 28
! currently una vailable See Own‐
er's Manual .......................................... .533
÷ currently una vailable See Own‐
er's Manual .......................................... .535
5 Engine oil le vel cannot be
measured .............................................. 549
5 Engine oil le velRe duce oil le vel.... 548
5 Engine oil le velSt op vehicle
Switch engine off.................................. 548
5 Engine oil pressu reStop
Switch off engine.................................. 549
ä Fault Drive at max. 80 km/h........ 530
6 Front left malfunction Consult
wo rkshop (e xample).............................. 493
& inoperative Battery low................. 501
& Inoperati veRefuel vehicle ............ 501 Index
575