2020 MERCEDES-BENZ S-CLASS SALOON LONG air condition

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Stop theve hicle immediately in accordance with the traf fic conditions and switch off the engine. Do not continue
driving. #
Notethe messages on the driver displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale: #
Consult a qualified specialist workshop.
If th e coolant temp erature display is at the upper end of thete mp erature scale: #
Exit theve hicle and keep a safe dis tance 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 qualified specialist workshop. In doing so, ensure that 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 bat tery cooling is faulty
R The radiator shutters are bloc ked or defective #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. 556
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Ifth e driver's display sho wsa display message, obse rve it. #
Consult a qualified specialist workshop.
J Brake sy stem warning lamp
(red) *T
he red brake sy stem warning lamp is lit while the engine is running.
Po ssible causes:
R The brake forc e boosting is malfunctioning and the braking characteristics may be af fected.
R The reis insuf ficient brake fluid in the brake fluid reser voir. #
Notethe messages on the driver's displa y. &
WARNING Risk of accident and inju ryif brake forc e boosting is malfunctioning
If brake forc e boosting is malfunctioning, increased brake pedal forc e may be necessary for braking. The braking
ch aracteristics may be impaired. The braking dis tance can increase in emergency braking situations. #
Stop in a safe location immediately. Do not continue driving! #
Consult a qualified specialist workshop. &
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the braking characteristics may be impaired. #
Stop theve hicle as soon as possible, paying attention toroad and traf fic conditions. Do not continue driv‐
ing. Display messages and
warning/indicator lamps 559

Driving saf
ety sy stems Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
! ABS warning lamp *T
he yellow ABS warning lamp is lit while the engine is running.
ABS is malfunctioning.
If th ere is an additional warning tone, EBD is malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning. #
Notethe messages on the driver's displa y. &
WARNING Thereis a risk of skidding if EBD or ABS is malfunctioning
The wheels may lock during braking.
The steerability and braking characteristics are heavily impaired and the braking dis tance may increase. In addi‐
tion, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. ÷
ESP ®
wa rning lamp flashes *
The yellow ESP ®
wa rning lamp flashes while theve hicle is in motion.
One or more wheels has reached its grip limit (/ page 222). #
Adapt your driving style to suit thero ad and weather conditions. 562
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

Ad
justing (rear)..................................... .186
Glove box.............................................. .187
Air vents
see Air vents
Ai r-conditioning sy stem
see Climate control
Air-recirculation mode.............................. 175
Air-water duct Keeping free.......................................... 353
Airbag Activation................................................. 41
Belt airbag............................................... 44
Centre airbag (driver, front passen ger)....47
Fr ont airbag (driver, front passenger)...... 47
Ins tallation locations.............................. .47
Knee airbag............................................ .47
Overview................................................. 47
PA SSENGER AIR BAG indicator lamp....... 52
Pr otection................................................ 48
Re duced pr otection.................................49
Side airba g.............................................. 47
Wi ndow airba g......................................... 47
Airflow Setting................................................... 172AIRM
ATIC
Setting.................................................. .258
Suspension........................................... 258
Alarm sy stem
see ATA (anti-theft alarm sy stem)
All-wheel drive see 4MATIC
Alternative route
see Route
Ambient lighting Setting (MBUX multimedia sy stem)....... 16 2
Android Auto
see Smartphone integration
Animals Pets in theve hicle................................... 76
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains
Anti-theft pr otection
Ad ditional door loc k................................ .81
Immobiliser........................................... 104Anti-theft pr
otection
see ATA (anti-theft alarm sy stem)
Anticipatory occupant pr otection
see PRE- SAFE®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay ®
see Smartphone integration
Assistance sy stems
see Driving saf ety sy stem
ASS YST PLUS
Battery disconnection pe riods.............. 348
Displaying the service due dat e............. 347
Fu nction/no tes..................................... 347
Re gular maintenance work.................... 347
Special service requ irements................ 347
ATA (anti-theft ala rmsystem)
Deactivating the alarm.......................... 105
Fu nction................................................ 104
Fu nction of interior pr otection............... 105
Priming/deactivating interior pr otec‐
tion........................................................ 106 Index
569

To
pTe ther............................................... 68
Children Avoiding dangers in theve hicle............... 58
Basic instructions.................................... 57
Chock Storage location.................................... 391
Chock see Chock
City lighting................................................ 157
Cleaning see Care
Climate control Activating/deactivating (rear operat‐
ing unit)................................................ .174
Ac tivating/deactivating the A/C
function (MBUX multimedia sy stem)...... 174
Ac tivating/deactivating the synchro‐
nisation function (MBUX multimedia
sy stem).................................................. 175
Air-reci rculation mode.......................... .175
Au tomatic control.................................. 174
Calling up the air conditioning menu...... 174
Demi sting the windscreen..................... 172
Demi sting windo ws................................ 175Fr
ont air vents....................................... 185
Glo vebox air vent.................................. 187
Immedia tepre-entry climate control.....1 80
Information on the windscreen heater... 17 7
Inserting/removing theflacon (fra‐
gr ance sy stem)...................................... 176
Ionisation............................................... 176
No te....................................................... 172
Pre-ent ryclimate control at depar‐
ture time................................................ 178
Re ar air vents........................................ 186
Re ar operating unit................................ 173
Re sidual heat......................................... 175
Re sidual heat (rear operating unit)......... 176
Setting (MBUX multimedia sy stem)........ 174
Setting the air distribution..................... 172
Setting the air flow ................................. 172
Setting the fragrance sy stem.................1 76
Setting thete mp eratur e........................ 172
St ationary heater/ ventilation................ 181
Switching on/of f................................... 173
Switching there ar wind owheater
on/off....................................................1 72
THERMOTRONIC contro l panel..............172
Ve ntilating theve hicle (con venience
opening).................................................. 95 Co
ckpit
Overview................................................... 6
Co ffee cup symbol
see ATTENTION ASSIST with micro‐
sleep de tection
Collision de tection (pa rked vehicle)
Information............................................ 217
Combination switch .................................. 154
Consum ption indicator
Calling up.............................................. 201
Content sharing menu Overview............................................... 299
Control elements Touch-sensitive........................................ 23
Con venience closing ................................... 95
Con venience opening ..................................95
Coolant (engine) Check le vel............................................ 352
No tes..................................................... 487
Cooling see Climate control
Co pyright..................................................... 39 Index
573