tire pressure MERCEDES-BENZ S-CLASS CABRIOLET 2018 Service Manual

Displaymessages
Possible causes/consequences and MSolutions
h
Wheel Sensor(s) Missing*T
here is no signal from the tire pressure sensor of one or more tires. The pressure of the af fected tire is not dis‐
play ed.
#Have thefa ulty tire pressure sensor replaced at a qualified specialist workshop.
Tire Pressure Monitor Inop-
erative No Wheel Sensors *T
he wheels fitted do not ha vesuitable tire pressure sensors. The tire pressure monitoring sy stem is deactivated.
#Mount wheels with suitable tire pressure sensors.
Tire Press. Monitor Inopera-
tive *T
he tire pressure monitoring sy stem is defective.
&
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 433

Tire s
Wa rning/indicator lamp
Possible causes/consequences and MSolutions
h
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.
460
Display messages and warning/indicator lamps

Warning/indicator lamp
Possible causes/consequences and MSolutions
h
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.
Display messages and warning/indicator lamps 461

Active Steering Assist ............................ .167
Ac tivating/deactivating .......................1 69
Ac tive Emergency Stop Assist .............. 171
Ac tive Lane Change Assi st.................. 169
Displ ays in the Instrument Display ...... .171
Fu nction ............................................... 167
Sy stem limitations .............................. .167
Ad aptive cruise control
see Active Dis tance Assist DISTRONIC
Ad aptive Highbeam Assist
Fu nction ............................................... 111
Switching on/off .................................. 112
Ad ditive s.................................................. 398
Engine oil ............................................ 398
Fu el ..................................................... 398
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 ...................................... 326
Burmes ter
®sur round sound sy stem ... 325
Ad justing the bass, mid- range and
treble
Burmes ter
®high-end 3D sur round
sound sy stem ...................................... 325
Ad justing the mid- range, treble and
bass
Burmes ter
®high-end 3D sur round
sound sy stem ...................................... 325
Ad justing the sound focus
Burmes ter
®sur round sound sy stem ... 325
Ad justing the sound optimization
Burmes ter
®high-end 3D sur round
sound sy stem ...................................... 326
Ad justing treble, mid- range and bass
settings
Burmes ter
®high-end 3D sur round
sound sy stem ...................................... 325
ADS PLUS damping sy stem
see AIR BODY CONTROL Af
ter-sales service center
see ASS YST PLUS
Air bag ........................................................ 40
Fr ont air bag (driver, front passenger) ... 40
Ins tallation locations ............................ .40
Knee air bag .......................................... 40
Overview ............................................... 40
Pr otection ............................................. .41
Re duced pr otection .............................. .42
Side impact air bag ............................... 40
Wi ndow cur tain air bag .......................... 40
AIR BODY CONT ROL................................ .174
Setting ................................................. 176
Suspension .......................................... 174
Air distribution Setting (multimedia sy stem) ............... .122
Air freshener sy stem
see Frag rance sy stem
Air pressure see Tire pressure
Air suspension see AIR BODY CONTROL
Index 463

Let fresh air intotheve hicle interior.
Air Conditioning Malf. Visit Wo rk‐
shop ....................................................4 39
Lo we ring ............................................. 426
Malfunction Drive at Max. 50 mph...... 422
bMalfunction See Operator ’s
Manual ................................................ 444
Max. Speed 22 mph............................4 26
Mercedes me connect Services Limi‐
te d See Operator's Manual ..................415
N Pe rm anently Active Risk of Rolling
Aw ay ................................................... 436
ÂObta in a NewKey........................ 43 4
ëOf f.............................................. .425
Only Shift to'P' when Vehicle is Sta‐
tionary ................................................ .436
FPa rking Brake See Opera tor's
Manual ................................................. 411
ÂPlace theKe yin the Mar ked
Space See Opera tor's Manual ............. 435 hPlease Cor
rect Tire Pressure .......430
F Please Release Parking Brake .....4 10
PRE-SAFE Inoperative See Opera‐
to r's Manual ......................................... 415
Ra dar Sensors Dirty See Operator's
Manual ................................................ .416
ÂRe placeKeyBat tery .................... 434
Re versing Not Possible Ser
vice
R

e qu ired .............................................. 437
Service Required Do Not Shift Gears
Vi sit Dealer .......................................... 437
6SRS Malfunction Service
Re quired .............................................. 417
# Start Engine See Operator's
Manual ................................................ 428
ÐSt eering Malfunction Drive
Carefully Service Required .................. 439
ÐSt eering Malfunction Inc reased
Ph ysical Ef fort See Opera tor's Man‐
ual ....................................................... 440 ÐSt
eering Malfunction Stop
Immediately See Operator's Manual ...440
St op Vehicle Lea veEngine Running
Wa itTransmission Cooling .................. 438
#St opVehicle Lea veEngine Run‐
ning ..................................................... 429
#St opVehicle See Operator's
Manual ................................................ 428
ÉSt opVehicle Vehicle Too Low ...... 421
bSwitch Off Lights .........................444
bSwitch On Headlamps .................444
Ti re Press. Monitor Cur rently
Un available .......................................... 432
Ti re Press. Monitor Inoperative ........... 433
Ti re Pressure Monitor Inoperative No
Wheel Sensors ...............
..................... 433
To De

select P or N,Dep ress Brake
and Start Engine .................................. 436
To Engage Transmiss. Position R Fir st
Dep ress the Brake .............................. .442
472
Index

MAGIC SKY CONTROL...............................78
Fu nction ................................................ 78
Operating ..............................................7 8
MAGIC VISION CONTROL Windshield wipe rs................................ 115
Maintenance Vehicle .................................................. 23
Maintenance see ASS YST PLUS
Making a call via theove rhead con‐
trol panel
Mercedes-Benz mbrace
®(USA) .......... .294
Malfunction Restra int sy stem ................................... 34
Map .......................................... .273,27 4, 275
Av oiding an area ..................................2 77
Av oiding an area (o verview) ................ .277
Changing an area ................................ 278
Del eting an area .................................. 278
Displ aying the compass ....................... 279
Displ aying the map version .................. 277
Displ aying the next intersecting
st re et ................................................... 277
Displ aying the satellite map ............... .279 Display
ingthe traf fic map .................... 273
Displ aying weather information .......... .280
Map data ............................................. 279
Moving .................................................2 76
Overview .......................................... ....2
74
Se

lecting POI symbols ......................... 276
Selecting text information .................... 276
Selecting the map orientation .............. 276
Setting the map scale .......................... 275
Setting the map scale automatically ... .279
Switching highwa yin fo rm ation
on/off ................................................ .277
Up dating .............................................. 278
Map and compass Overview .............................................. 274
Massage prog rams
Overview ............................................... 86
Selecting the front seats ....................... 87
Matt finish (cleaning instructions) ........ 336
Maximum load rating .............................. 376
Maximum permissible load Calculation example ............................ 372
De term ining ........................................ .371
Maximum tire pressure ...........................376 Mechanical
key
Inserting/removing ............................... 59
Unlocking a door ................................... 64
Unlocking the trunk lid .......................... 70
Media Menu (on-board computer) .................. 216
Searc hing ............................................. 311
Media Inter face
Ac tivating .............................................3 12
Information ..........................................3 11
Overview .................. ............................3
13
Me

dia mode Ac tivating ............................................ 305
Media playba ck
Operating (on-board computer) ........... 216
Media sear ch
St arting ................................................ 311
Media source Dialing (on-board computer) ................2 16
Memory function Head-up display — Calling up sa ved
settings .................................................9 3
Head-up Display — Saving settings ........ 93
Opera ting .............................................. 93
480
Index

Telephone number
Dialing (on-board computer) ................ 216
Te lephony operating modes
Blue tooth
®Telephony .......................... 281
Te mp erature grade .................................. 374
Te xt messages ......................................... 289
calling a message sender .................... 290
Changing folders ................................ .290
Composing .......................................... 289
Configuri ngthe displa yedte xt mes‐
sage s ................................................... 289
Deleting ............................................... 290
Drafts .................................................. 290
No tes .................................................. 289
Options ................................................ 290
Outbox ................................................ 290
Re ad-aloud function ............................ 289
Re ading .............................................. .289
Re plying .............................................. 290
Sending ...............................................2 89
Vo ice commands (Voice Cont rol Sys‐
te m) ..................................................... 230
Through-loading feature in
there ar
passenge

r co mpartment .......................... 98 Time
Manual time setting ............................. 244
Setting summer time ........................... 243
Setting the time and date automati‐
cally ..................................................... 243
Setting the time zone .......................... 243
Setting the time/date form at .............. 244
TIN (Tire Identi fication Number) ............3 75
Ti re and Loading Information placard ...370
Ti re ch aracteristics ................................. 377
Ti re inflation compressor
see TIREFIT kit
Ti re information table .............................370
Ti re labeling ............................................ .374
Character istics .................................... 377
DO T,Tire Identification Number (TIN) .. 375
Load index ........................................... 377
Load-bearing capacity ......................... 377
Maximum tire load ...............................3 76
Maximum tire pressure ........................ 376
Overview ..............................................3 74
Speed rating ........................................ 377
Te mp erature grade .............................. 374
Ti re Quality Grading ............................. 374 Ti
re size designation ............................3 77
Tr action grade ............ ...
.......................
374
Tr ead wear grade ................................ .374
Ti re load (maximum) .............................. .376
Ti re pressure ........................................... 366
Checking (manually) ............................ 366
Checking (tire pressure monito ring
sy stem) ............................................... 368
Maximum ............................................. 376
No tes ................................................... 364
Re starting the tire pressure monitor‐
ing sy stem .......................................... .369
Ti re pressure monitoring sy stem
(function) ............................................. 367
Ti re pressure table .............................. 365
TIREFIT kit ...........................................3 44
Ti re pressure moni tor
Fu nction .............................................. 367
Re starting ............................................ 369
Ti re pressure moni toring sy stem
Checking the tire pressures ............... .368
Te ch nical da ta..................................... 369
Tire pressure table .................................. 365
Tire Quality Grading ................................374
Index 491

Tire tread ................................................. 362
Tire-change tool kit
Overview ............................................ .385
TIREFIT kit ................................................ 344
St orage location ..................................3 44
Using ................................................... 344
Ti re s
Changing hub caps .............................. 386
Character istics .................................... 377
Checking ............................................ .362
Che cking the tire pressure (man‐
ually) ................................................... 366
Checking the tire pressure (tire pres‐
sure monitoring sy stem) ..................... .368
Definitions ...........................................3 79
DO T,Tire Identification Number (TIN) .. 375
Flat tire ................................................ 342
Ins talling .............................................. 389
Load index .......................................... .377
Load-bearing capacity ......................... 377
Maximum tire load ...............................3 76
Maximum tire pressure ........................ 376
MOExtended tires ................................ 343
No ise .............................................. ...
.
.3 62
No tes on ins talling .............................. 382 Overview of tire labeling ......................
374
Re moving ............................................ 389
Re placing .................................... 382, 386
Re starting the tire pressure monitor‐
ing sy stem .......................................... .369
Selection ............................................. 382
Snow chains ........................................ 363
Speed rating ........................................ 377
St oring ................................................ 385
Te mp erature grade .............................. 374
Ti re and Loading Info rmation placard .. 370
Ti re pressure (N otes) ........................... 364
Ti re pressure monitoring sy stem
(function) ............................................. 367
Ti re pressure table .............................. 365
Ti re Quality Grading ............................. 374
Ti re size designation ............................3 77
TIREFIT kit ...........................................3 44
Tr action grade ...................................... 374
Tr ead wear grade ................................ .374
Un usual handling characteristics ........ 362
To ol
see Vehicle tool kit
To pTe ther .

................................................. 54To
tal di stance ...........................................2 13
Displ aying ............................................ 213
To uch Control
On-board computer ............................. 209
Operating ............................................ 234
Setting the sensitivity .......................... 234
To uchpad
Ac tivating/deactivating .......................2 35
Ac tivating/deactivating hapt ic oper‐
ation feedback .................................... 236
Operating ............................................ 235
Re ading the handwriting recognition
aloud ................................................... 236
Selecting a station and track .............. .236
Setting the sensitivity .......................... 236
To w- starting ............................................. 358
To wing away ............................................ 354
To wing eye
Ins talling .............................................. 358
St orage location ..................................3 58
To wing me thods ...................................... 353
Tr ack
Selecting (audio mode) ....................... 308
492 Index

7Seat beltwarning lamp lights
up ........................................................ 454
àSuspension warning lamp .......... .454
hTi repressure monitoring sys‐
te m wa rning lamp flashes .................... 461
hTi repressure monitoring sys‐
te m wa rning lamp lights up ................ .460
!Ye llow elect ric park ing brake
indicator lamp is malfunctioning ........ .452
Wa rning/indicator lamps .................10,44 5
Instrument Display (o verview) .............. .10
Overview ............................................. 445
PA SSENGER AIR BAG ............................ 45
Wa rranty .................................................... 28
Wa sher fluid
see Windshield washer fluid
Wa shing byhand (care) .......................... 335
We ather information ............................... 280
We b br owser
Calling up a web page .......................... 301
Calling up options ................................ 301 Calling up
the settings ........................ .301
Del eting a bookmark .......................... .302
Deleting br owser data ........................ .302
Ending ................................................. 302
Managing bookmark s .......................... 302
Overview ..............................................3 01
Show

ing/hiding the menu .................. .301
We bsite
Calling up ............................................ 301
Showing/hiding thewe b br ows er
menu ................................................... 301
Wheel chock
see Chock
Wheel rotation ........................................ .384
Wheels Care .................................................... 338
Changing hub caps .............................. 386
Checking ............................................. 362
Checking the tire pressure (man‐
ually) ................................................... 366
Checking the tire pressure (tire pres‐
sure monitoring sy stem) ..................... .368
Definitions ...........................................3 79
DO T,Tire Identification Number (TIN) .. 375 Fitting .................................................. 389
Flat tire ................................................ 342
Load index ...........................................
377
Load-bearing capacity .........................3 77
Maximum tire load ...............................3 76
Maximum tire pressure ........................ 376
MOExtended tires ................................ 343
No ise .................................................. .362
No tes on ins talling .............................. 382
Overview of tire labeling ...................... 374
Re moving ................................... ......... 389
R

e placing .................................... 382, 386
Re starting the tire pressure monitor‐
ing sy stem .......................................... .369
Ro tating ............................................... 384
Selection .............................................3 82
Snow chains ........................................ 363
Speed rating ........................................ 377
St oring ................................................ 385
Te mp erature grade .............................. 374
Ti re and Loading Info rmation placard .. 370
Ti re characteristics .............................. 377
Ti re pressure (N otes) ........................... 364
Ti re pressure monitoring sy stem
(function) ............................................. 367
Ti re pressure table .............................. 365
496
Index