tyre pressure MERCEDES-BENZ AMG GT ROADSTER 2018 Owner's Guide

Display messages
Possible causes/consequences and M
MSolutions #
Before leaving theve hicle, apply the electric parking brake.
d
Trans. oil overheated Drive
on with care *T
ransmission position Mand thete mp orary manual driving program are no longer available. The engine po wer is
re duced depending on theove rheating. #
Let the transmission oil cool down bydriving defensively until the display message goes out. Ty
res Display messages
Possible causes/consequences and M MSolutions
h Warning tyre defect *T
he tyre pressure in one or more tyres has dropped suddenly. The wheel position is displa yed. &
WARNING Risk of an accident from driving wi thaflat tyre
Flat tyres are dangerous in thefo llowing ways:
R The tyres can overheat and cause a fire.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Do not drive with a flat tyre. #
Obse rveth e no tes on flat tyres. Display messages and
warning/indicator lamps 343

Display messages
Possible causes/consequences and M
MSolutions
No tes on flat tyres (/ page 266). #
Stop theve hicle, paying attention toroad and traf fic conditions. #
Check the tyres.
h Check tyre(s) *T
he tyre pressure in one or more tyres has dropped significantl y.The wheel position is displa yed. &
WARNING Risk of an accident due toinsuf ficient tyre pressure
Ty res with insuf ficient tyre pressure pose thefo llowing risks:
R The tyres may bur st, especially as the load and vehicle speed increase.
R The tyres may wearexc essively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle, paying attention toroad and traf fic conditions. #
Check the tyre pressure (/ page 286) andthe tyres. 344
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
h Rectify tyre pressure *T
he tyre pressure is too low in at least one of the tyres, or the tyre pressure dif fere nce between the wheels is too
great. #
Check the tyre pressure and add air, if necessar y. #
When the tyre pressure is cor rect, restart the tyre pressure monitoring sy stem (/ page 289).
h Tyre press. monitor cur-
rently unavailable *T
here is inter fere nce from a po werful radio signal source. As a result, no signals from the tyre pressure sensors are
re cei ved. The tyre pressure monitoring sy stem is temp orarily una vailable. #
Drive on.
The tyre pressure monitoring sy stem restarts automatically as soon as the cause has been rectified.
h
Wheel sensor(s) missing *T
he tyre pressure sensor signal is missing from one or more tyre(s). The pressure of the af fected tyre is not dis‐
pl ay ed. #
Have thefa ulty tyre pressure sensor replaced at a qualified specialist workshop.
h Tyre press. monitor inoper-
ative No wheel sensors *T
he wheels fitted do not ha vesuitable tyre pressure sensors. The tyre pressure monitoring sy stem is deactivated. #
Fit wheels with suitable tyre pressure sensors. Display messages and
warning/indicator lamps 345

Display messages
Possible causes/consequences and M
MSolutions
h Tyre press. monitor inoper-
ative *T
he tyre pressure monitoring sy stem is faulty. &
WARNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
If th e tyre pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure
loss in one or more of the tyres.
Ty res with insuf ficient tyre pressure ma y,forex ample, af fect theve hicle's handling characteristics, steering and
braking. ‑ #
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. #
Consult a qualified specialist workshop.
Tyre(s) overheated *A
t least one tyre is overheating. The af fected tyres are displ ayed in red. At temp eratures close tothe limit value,
th e tyres are displa yed in yello w. #
Drive more sl owly.
Reduce speed *A
t least one tyre is overheating. The af fected tyres are displ ayed in red. At temp eratures close tothe limit value,
th e tyres are displa yed in yello w. &
WARNING Risk of an accident from driving wi thove rheated tyres
Overheated tyres may bur st, particularly at high speeds. #
Reduce speed so that the tyres cool down. #
Reduce speed so that the tyres cool down. 346
Displaymessa ges and warning/indicator lamps

Ty
res Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
h Ty re pressure monitoring
sy stem warning lamp lights
up The
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
Ty res with insuf ficient tyre pressure pose thefo llowing risks:
R The tyres may bur st, especially as the load and vehicle speed increase.
R The tyres may wearexc essively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle, paying attention toroad and traf fic conditions. #
Check the tyre pressure and the tyres. Display messages and
warning/indicator lamps 369

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 monitoring sy stem warning lamp (pressure loss/malfunction) flashes for appro ximately one
minute and then remains lit.
The tyre pressu remonitoring sy stem is faulty. &
WARNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
If th e tyre pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure loss in
one or more of the tyres.
Ty res with insuf ficient tyre pressure ma y,forex ample, af fect theve hicle's handling characteristics, steering and
braking. ‑ #
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. #
Consult a qualified specialist workshop. 37 0
Displaymessa ges and warning/indicator lamps

Ad
justing treble, mid- range and bass
settings
Burmes ter®
sur round sound sy stem ....2 45
Af ter-sales service centre
see ASS YST PLUS
Air inlet see Air-water duct
Air pressure see Tyre pressure
Air vents ....................................................1 11
Ad justing (front) ................................... 111
Ad justing the AIRSCARF vents ............. 11 2
Air vents
see Air vents
Ai r-re circulation mode .............................111
Air-water duct .......................................... 254
Ke eping free ........................................2 54
Airbag ........................................................ .35
Ac tivation .............................................. 30
Fr ont airbag ...........................................35
Head airbag ........................................... 35
Ins tallation locations ............................ .35
Knee airbag ........................................... 35 Overview ............................................... 35
PA
SSENGER AIR BAG indicator lamp .... .40
Pr otection ..............................................36
Re duced pr otection ...............................37
Side impact airbag ................................ 35
AIRSCARF Adjusting the outlets ............................1 12
Switching on/off ................................... 87
Alarm see Panic alarm
Alarm sy stem
see ATA (anti-theft alarm sy stem)
Ambient lighting Setting (multimedia sy stem) ................1 02
AMG DRIVE UNIT ......................................... 154
St eering-wheel buttons ........................ 154
AMG ceramic high-per form ance com‐
posi tebrake sy stem ................................ 11 7
AMG DRIVE UNIT see AMG Performance steering wheel AMG
Performance adju stable exhaust
sy stem ...................................................... 11 9
Fu nction ............................................... 11 9
Operating ............................................. 11 9
AMG per form ance seat
Setting ................................................... 84
AMG Performance steering wheel .........154
AMG RIDE CONTROL Selecting the suspension setting ......... 15 6
Suspension .......................................... 15 6
AMG TR ACKPA CE
Configuring .......................................... 19 9
Drag Race ............................................ 197
Gene ral information ............................ .196
Te lemetry display ................................ .198
Tr ack Race ........................................... 19 6
Android Auto ............................................ 215
Connecting a mobile phone ................ .215
Ending .................................................. 216
Information .......................................... 215
Overview ..............................................2 15
Sound settings ..................................... 216
Tr ans ferred vehicle data ....................... 216 Index
373

Ac
tive Dis tance Assi stinope rative ...... 332
Ad aptive Highbeam Assist Camera
view restricted See Owner's Manual ... 357
Ad aptive Highbeam Assist cur rently
una vailable See Owner's Manual .........356
Ad aptive Highbeam Assist inopera‐
tive ...................................................... 356
4Ad d 1 litre engine oil when next
re fuelling ............................................. 340
Apply brake todeselect Park (P)
position ................................................ 341
Apply brake toselect R ....................... 342
ÀAT TENTION ASSIST inoperative ... 331
ÀAT TENTION ASSIS T:Take a
break! .................................................. 330
bAu tomatic driving lights inoper‐
ative .................................................... 356
Au xilia rybattery malfunction .............. 342
Blind Spot Assist cur rently una vaila‐
ble See Owner's Manual ...................... 334 Blind Spot Assist inope
rative ............... 330
ÁChange key bat teries .................. 348
JCheck brake fluid le vel................ 322
Check brake pads See Owner's Man‐
ual ...................................................... .329
4Che ckeng. oil le v.when next
re fuelling ............................................. 340
hChe cktyre(s) ............................... 344
K Convertible Top Operation pos‐
sible to60 km/h ................................. 354
?Coolant Stop vehicle Switch
engine off ............................................ 337
Cruise contro l and Limiter inope ra‐
tive ...................................................... 333
Cruise control inope rative ................... 333
Cruise control off ................................ 332
!cu rrently unavailable See Own‐
er's Manual ........................................ .323
÷cur rently una vailable See Own‐
er's Manual .......................................... 317Electronic
rear axle dif fere ntial lo ck
cur rently una vailable .......................... .349
Electronic rear axle dif fere ntial lo ck
inope rative .......................................... 349
5Engine oil le vel cannot be
measured ............................................ 338
4Engine oil le velRe duce oil le vel...3 38
4Engine oil le velSt op vehicle
Switch engine off ................................ 338
4Engine oil pressure Stop Switch
off engine ............................................ 339
Fa ult Drive at max. 80 km/h ...............331
6 Front left malfunction Consult
wo rkshop (Example) ............................3 28
Fr ont-passenger airbag disabled See
Owner's Manual ..................................3 26
Fr ont-passenger airbag enabled See
Owner's Manual ..................................3 25
b Hazard warning lamps mal‐
functioning .......................................... 356 380
Index

!inope
rative See Owner's Man‐
ual ....................................................... 324
÷inoperati veSee Owner's Man‐
ual ....................................................... 325
Tinoperati veSee Owner's Man‐
ual ....................................................... 321
GInoperati ve.................................. 328
ÂInse rtkey .................................... 347
ÁKe y not de tected (red displ ay
messa ge).............................................3 47
Á Key not de tected (white dis‐
pl ay messa ge).....................................3 48
bLeft dipped beam (Example) ....... 355
Limi ter inoperative .............................. 333
Limiter passive .................................... 333
bMalfunction See Owner's Man‐
ual ....................................................... 355
ðMaximum speed exceeded ..........3 34
Mercedes me connect Services limi‐
te d See Owner's Manual .....................327N permanently active Risk of
vehicle
ro lling .................................................. 341
çOff .............................................. .331
ë Off............................................... 330
Only select Park (P) when vehicle is
st ationary ............................................ 342
K Open/close top comple tely ....... 353
!Pa rking brake See Owner's
Manual ................................................ .318
PRE-SAFE inoperative See Owner's
Manual ................................................ 327
RACE START cancelled ........................ 334
RACE START not possible See Own‐
er's Manual ......................................... 334
Ra dar sensors dirty See Owner's
Manual ................................................ 322
ÐRe ar axlesteering cur rently
una vailable .......................................... 349
ÐRe ar axlesteering Malfunction
Vi sit workshop .....................................3 49Re
ar spoiler control sy stem inopera‐
tive ...................................................... 350
Re ar spoiler inoperative Limit XXX
mp h..................................................... 349
hRe ctify tyre pressure ................... 345
Re duce speed ...................................... 346
!Re lease parking brake .................320
ÁRe placekey ................................ .347
8 Reser vefuel le vel........................ 337
6Re stra int sys. malfunction Con‐
sult workshop ...................................... 329
Re versing not poss. Consult work‐
shop ....................................................3 42
Risk of vehicle rolling Driver door
open and transmission not in P ...........342
#See Owner's Manual ................... 335
Speed limit (winter tyres) XXX km/h ... 333
ÙSt eering malfunction Incre ased
ph ysical ef fort See Owner's Manual .... 352 Index
381

Tr
ip
Menu (on-board computer) .................. 174
Tr ip computer
Displaying ............................................ 174
Re setting ............................................. 175
Tr ip distance ............................................ .174
Displ aying ............................................ 174
Re setting ............................................. 175
Tr ip me ter
see Trip dis tance
Tu rn signal indicator
see Turn signal lights
Tu rn signal lights ....................................... 99
Switching on/off ................................... 99
Tw o phone mode
see Second telephone
Ty re inflation compressor
see TIREFIT kit
Ty re pressure ........................................... 287
Checking (ty repressure monitoring
sy stem) ............................................... 288
No tes .................................................. 286 Re
starting the tyre pressure monitor‐
ing sy stem ...........................................2 89
TIREFIT kit .......................................... .268
Ty re pressure monitoring sy stem
(function) ............................................. 287
Ty re pressure table .............................. 287
Ty re pressure moni toring sy stem
Checking the tyre pressure ................. 288
Fu nction .............................................. 287
Re starting ............................................ 289
Te ch nical da ta..................................... 289
Ty re pressure table ................................. 287
Ty re temp erature
Ty re pressure monitoring sy stem
(function) ............................................. 287
Ty re tread ................................................. 285
Ty re-change tool kit
Overview ............................................ .297
Ty res
Checking ............................................ .285
Che cking the tyre pressure (tyre
pressure monitoring sy stem) ............... 288
Fitting .................................................. 301
Flat tyre ............................................... 266 Inter
changing ...................................... 296
MOExtended tyres .............................. .267
No ise .................................................. .285
No tes on fitting ................................... 293
Re moving ............................................ 300
Re placing .................................... 293, 297
Re starting the tyre pressure monitor‐
ing sy stem ...........................................2 89
Selection ............................................. 293
Snow chains ........................................ 285
St oring .................................................2 97
TIREFIT kit ...........................................2 68
Ty re pressure (N otes) .......................... 286
Ty re pressure monitoring sy stem
(function) ............................................. 287
Ty re pressure table .............................. 287
Un usual handling characteristics ........ 285 U
Un its of measurement
Setting ................................................ .191
Un locking setting ...................................... 57
USB devices Connecting .......................................... 235 Index
399