2018 MERCEDES-BENZ S-CLASS SEDAN tire pressure

Tire s
Displa ymessages
Possible causes/consequences and MSolutions
h
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he tire pressure is too low in at least one of the tires, or the tire pressure dif fere nce between the wheels is too
great.
#Check the tire pressure and add air, if necessar y.
#Whenthe tire pressure is cor rect, restart the tire pressure monitoring sy stem .
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he tire pressure in one or more tires has dropped significantl y.The wheel position is displa yed.
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WARNING Risk of an accident due toinsuf ficient tire pressure
Ti re pressures that are too low pose thefo llowing hazards:
RThe tires may bur st, especially as the load and vehicle speed increase.
RThe tires may wearexc essively and/or une venly, which may greatly impair tire traction.
RThe driving characteristics, as well as steering and braking, may be greatly impaired.
Yo u could then lose control of theve hicle.
#Obser vethere commended tire pressure.
#Ad just the tire pressure if necessar y.
#Stop theve hicle, paying attention toroad and traf fic conditions.
#Check the tire pressure and the tires.
Display messages and warning/indicator lamps 487

Displaymessages
Possible causes/consequences and MSolutions
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he tire pressure in one or more tires has dropped suddenly. The wheel position is displa yed.
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WARNING Risk of an accident from driving wi thaflat tire
Flat tires are dangerous in thefo llowing ways:
RThe tires can overheat and cause a fire .
RThe driving characteristics, as well as steering and braking, may be greatly impaired.
Yo u could then lose control of theve hicle.
#Do not drive with a flat tire.
#Observ eth e no tes on flat tires.
No tes on flat tires (→page 393).
#St op theve hicle, paying attention toroad and traf fic conditions.
#Check the tires.
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o signals can be receive d from the tire pressure sensor due tostro ngradio signal source inter fere nce. The tire
pressure monito ring sy stem is temp orarily una vailable.
#Drive on.
The tire pressure monitoring sy stem restarts automatically as soon as the cause has been rectified.
488
Display messages and warning/indicator lamps

Displaymessages
Possible causes/consequences and MSolutions
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here is no signal from the tire pressure sensor of one or more wheels. The pressure of the af fected tire is not
displ ayed.
#Ha ve the defective tire pressure sensor replaced at a qualified specialist workshop.
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he wheels ins talled do not ha vesuitable tire pressure sensors. The tire pressure monitoring sy stem is deactivated.
#Ins tall wheels with suitable tire pressure sensors.
7LUH 3UHVV 0RQLWRU ,QRSHUD
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he tire pressure monitoring sy stem is malfunctioning.
&
WARNING Thereis arisk of an accident if the tire pressure monitoring sy stem is malfunctioning
If th e tire pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure loss
in one or more of the tires.
Und erinflated tires ma y,forex ample, impair the driving, steering and braking characteristics.
#Ha ve the tire pressure monitoring sy stem checked at a qualified specialist workshop.
#Visit a qualified specialist workshop.
Display messages and warning/indicator lamps 489

Tire s
Wa rning/indicator lamp
Possible causes/consequences and MSolutions
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Tire pressure monitoring
sy stem warning lamp lights
up The
yellow tire pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tire pressure monitoring sy stem has de tected tire pressure loss in at least one of the tires.&
WARNING Risk of an accident due toinsuf ficient tire pressure
Ti re pressures that are too low pose thefo llowing hazards:
RThe tires may bur st, especially as the load and vehicle speed increase.
RThe tires may wearexc essively and/or une venly, which may greatly impair tire traction.
RThe driving characteristics, as well as steering and braking, may be greatly impaired.
Yo u could then lose control of theve hicle.
#Obser vethere commended tire pressure.
#Ad just the tire pressure if necessar y.
#Stop theve hicle, paying attention toroad and traf fic conditions.
#Check the tire pressure and the tires.
Display messages and warning/indicator lamps 51
7

Warning/indicator lamp
Possible causes/consequences and MSolutions
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Tire pressure monitoring
sy stem warning lamp
fl ashes The
yellow tire pressure monitoring sy stem warning lamp (pressure loss/malfunction) flashes for app roxima tely one
minute and then remains lit.
The tire pressure monitoring system is malfunctioning.&
WARNING Thereis arisk of an accident if the tire pressure monitoring sy stem is malfunctioning
If th e tire pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure loss in
one or more of the tires.
Un derinflated tires ma y,forex ample, impair the driving, steering and braking characteristics.
#Ha ve the tire pressure monitoring sy stem checked at a qualified specialist workshop.
#Consult a qualified specialist workshop.
51 8
Displ aymessage s andwarning/indicator lamps

Setting ................................................. 235
Ac tive Steering Assist ............................ .204
Ac tivating/deactivating .......................2 06
Ac tive Emergency Stop Assist .............2 07
Ac tive Lane Change Assi st.................. 206
Displa ysinthe Instrument Display ...... 208
Fu nction .............................................. 204
Sy stem limitations .............................. .204
Ad aptive cruise control
see Active Dis tance Assist DISTRONIC
Ad aptive Highbeam Assist
Fu nction .............................................. 146
Switching on/off ................................. 147
Ad ditive s.................................................. 449
Engine oil ............................................ 449
Fu el ..................................................... 449
Ad ditive s (engine oil)
see Additives
Ad ditive s (fuel)
see Fuel
Ad dress book
see Contacts Ad
justing the balance/ fader
Burmes ter®high-end 3D sur round
sound sy stem ...................................... 360
Burmes ter
®sur round sound sy stem ... 359
Ad justing the bass, mid- range and
treble
Burmes ter
®high-end 3D sur round
sound sy stem ...................................... 359
Ad justing the mid- range, treble and
bass
Burmes ter
®high-end 3D sur round
sound sy stem ...................................... 359
Ad justing the sound focus
Burmes ter
®sur round sound sy stem ... 359
Ad justing the s
ound optimization
Burmes ter®high-end 3D sur round
sound sy stem ...................................... 360
Ad justing treble, mid- range and bass
settings
Burmes ter
®high-end 3D sur round
sound sy stem ...................................... 359
ADS PLUS damping sy stem
see AIR BODY CONTROL Af
ter-sales service center
see ASS YST PLUS
Air bag ........................................................ 38
Ac tivation .............................................. 32
Belt air bag ............................................ 36
Cushionbag ........................................... 38
Fr ont air bag (driver, front passenger) ... 38
Ins tallation locations ............................ .38
Knee air bag .......................................... 38
Overview ............................................... 38
Pr otection ............................................. .39
Re duced pr otection .............................. .40
Side air bag ........................................... 38
Wi ndow air bag ...................................... 38
AIR BODY CONT ROL................................ .211
Setting ................................................. 213
Suspension .......................................... 211
Air dis tribution
Setting (multimedia sy stem) ............... .159
Air freshener sy stem
see Frag rance sy stem
Air pressure see Tire pressure
520
Index

¥CheckWasher Fluid .................... 498
?Coolant Too Hot Stop Vehicle
Tu rn Engine Off .................................... 482
Cruise Control Canceled ...................... 481
Cruise Control Inoperati ve................... 481
!Cur rently Una vailable See Oper‐
ator's Manual ...................................... 459
÷Cur rently Una vailable See Oper‐
ator's Manual ...................................... .461
¯ DEF Sy stem Fault Engine Start
No tPo ssible ........................................4 85
¯ DEF Sy stem Fault Perf.
Re duced in XXX ml See Operator's
Manual ................................................ 486
¯ DEF Sy stem Fault See Opera‐
to r's Manual ........................................ 485
ÂDon't Forget Your Key.................. 49 1
Driver' sDoor Ope n &Transmission
No t in P Risk of Vehicle Rolling Away .. 492 Example:
Active Parking Assist Park‐
ing Canceled ...................................... .478
Fr ont Passenger Airbag Disabled See
Operator's Manual ...............................4 73
Fr ont Passenger Airbag Enabled See
Operator's Manual ...............................4 72
8Fu el Level Low ............................ 486
8Gas Cap Loose ......................
...
... 486
!Inoperative See Opera tor's
Manual ................................................ 458
÷Inoperative See Operator's
Manual ................................................ 460
TInoperative See Operator's
Manual ................................................ 462
GInoperative ..................................4 67
ÂKe yNo tDe tected (red displ ay
message )............................................ .491
ÂKe yNo tDe tected (white dis‐
play message ).................................... .490 Let fresh air into
theve hicle interior.
Air Conditioning Malf. Visit Wo rk‐
shop ....................................................4 95
Lo we ring .............................................. 481
Malfunction Drive at Max. 50 mph.......4 76
bMalfunction See Operator ’s
Manual ................................................ 499
Max. Speed 22 mph............................4 81
N Pe rm anently Active Risk of Rolling
Aw ay ................................................... 492
ÂObta in a NewKey........................ 49 0
ëOf f.............................................. .480
Only Shift to'P' when Vehicle is Sta‐
tionary ................................................ .492
FPa rking Brake See Opera tor's
Manual ................................................4 64
Â

Place theKe yin the Mar ked
Space See Opera tor's Manual ............. 491
hPlease Cor rect Tire Pressure .......487
F Please Release Parking Brake .... 463
Index529

PRE-SAFE Inoperative See Opera‐
tor's Manual ........................................ 468
Ra dar Sensors Dirty See Operator's
Manual ........................................ 469, 470
_Re ar Left Backrest Not
Latc hed (e xample).............................. .498
ÂRe placeKeyBat tery .................... 490
Re versing Not Possible Service
Re quired .............................................. 493
#See Opera tor's Manual ............... 483
Service Required Do Not Shift Gears
Vi sit Dealer .......................................... 493
6SRS Malfunction Service
Re quired .............................................. 471
# Start Engine See Operator's
Manual ................................................ 484
ÐSt eering Malfunction Drive
Carefully Service Required .................. 495 ÐSt
eering Malfunction Inc reased
Ph ysical Ef fort See Opera tor's Man‐
ual ....................................................... 496
ÐSt eering Malfunction Stop
Immediately See Operator's Manual ... 496
St op Vehicle Lea veEngine Running
Wa itTransmission Cooling ...................494
#St opVehicle Lea veEngine Run‐
ning ..................................................... 484
#St opVehicle See Operator's
Manual ..............................
.................. 484
É

St op Vehicle Vehicle Too Low ......475
bSwitch Off Lights ......................... 500
bSwitch On Headlamps ................. 500
Ti re Press. Monitor Cur rently
Un available .......................................... 488
Ti re Press. Monitor Inoperative ........... 489
Ti re Pressure Monitor Inoperative No
Wheel Sensors .................................... 489 To
Deselect P or N,Dep ress Brake
and Start Engine .................................. 492
Tr af fic Sign Assist CameraView
Re stricted See Ope rator's Manual .......479
Tr af fic Sign Assist Currently Unavail‐
able See Operator's Manual ................479
Tr af fic Sign Assist Inoperative.............479
Tr ansmission Malfunction Stop ........... 493
F Turn On the Ignition to Release
th ePa rking Brake ................................ 463
dVe hicle Operational Switch the
Ignition Off Before Exiting ................... 493
ÉVe hicle Rising Please Wait.......... .474
ÉVe hicle Rising .............................. 474
hWa rning Tire Malfunction ............ 488
hWheel Sensor(s) Missing .............489
Display on the windshield
see Head-up Display
Distance control see Active Dis tance Assist DISTRONIC
530
Index