fuel MERCEDES-BENZ AMG GT COUPE 2018 Owner's Guide

The
recommended octane number foryo ur vehi‐
cle can be found on the instruction label in the
fuel filler flap (/ page120).
On lyrefuel using super unleaded petrol with at
lea st98 RON if you wish toachie vemaximum
engine output. Alternatively, you can also refuel
using premium grade petrol with at lea st
95 RON.
As a temp orary measure, if there commended
fuel is not available, you may also use regular
unleaded petrol with at leas t:
R 98RON
This may reduce engine output and increase fuel
consum ption.
If only regular unleaded petrol with 98 RON or
lo we r is permanently available toyou, you must
ta ke your vehicle toaqu alified specialist work‐
shop tohave it adap tedto this type of fuel.
Ne verre fuel using petrol with an even lo wer
RO N.
Fu rther information on fuel can be obtained at a
fi lling station or a qualified specialist workshop. Information on additives in petrol
Obser
vethe no tes on operating fluids
(/ page 360).
* NO
TEDama gefrom use of unsuitable
additives Even small amounts of
the wrong additive
may lead tomalfunctions occur ring. #
Only add cleaning additives recommen‐
ded byMercedes-Benz tothe fuel. Mercedes-Benz
recommends that you use fuel
brands that ha veadditives.
In some countries, the fuel available may not
ha ve suf ficient additives. Residue could build up
in the fuel injection sy stem as a result. In this
case, in consultation with a Mercedes-Benz
service centre, the fuel may be mixed with the
cleaning additive recommended byMercedes-
Benz. Be sure toobser vethe no tes and mixing
ra tios speci fied on the conta iner.
Ta nk content and fuel reser ve
The total capacity of the fuel tank may vary,
depending on theve hicle equipment. Capacity Model
Total capacity
All models 65.0 litres Model
of whichreser ve
fuel
All model s1 0.0 litres Engine oil
Note
s on engine oil
Obser vethe no tes on operating fluids
(/ page 360). Te
ch nical da ta363

Display messages
Possible causes/consequences and M
MSolutions
8 Reserve fuel level *T
he fuel supply has dropped into there ser verange. #
Refuel. Engine oil
Display messages
Possible causes/consequences and M
MSolutions
5 Engine oil level cannot be
measured *T
he electrical connection tothe oil le vel sensor has been inter rupte d or the oil le vel sensor is faulty. #
Consult a qualified specialist workshop.
4 Engine oil level Reduce oil
level *D
isplay message only for cer tain engines:
The engine oil le vel is too high.
* NO
TEEngine dama gecaused bydriving with excess engine oil #
Avoid long journe yswith excess engine oil. #
Consult a qualified specialist workshop immediately and ha vethe engine oil siphoned off. 392
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances. #
Consult a qualified specialist workshop.
4 Add 1 litre engine oil when
next refuelling *D
isplay message only for cer tain engines:
The engine oil le vel has dropped tothe minimum le vel.
* NO
TEEngine dama gecaused bydriving with insuf ficient engine oil #
Avoid long journe yswith insuf ficient engine oil. #
When next refuelling, add 1 litre of engine oil.
To p up engine oil (/ page 305).
No tes on engine oil (/ page 363).
4
Check eng. oil lev. when
next refuelling *T
he engine oil le vel has dropped tothe minimum le vel.
* NO
TEEngine dama gecaused bydriving with insuf ficient engine oil #
Avoid long journe yswith insuf ficient engine oil. #
Check the engine oil le vel when next refuelling.
To p up the engine oil (/ page 305).394
Display messages and warning/indicator lamps

Instrument display
Superspo
rtsetting If
yo u select the supersport display setting, the
positions of the indicator lamps on the instru‐
ment display will change.
Wa rning and indicator lamps:
L Low beam (/
page 93)
T St
anding lights (/ page 93)
K High beam (/
page94)
#! Tu
rn signal indicators (/ page94)
R Re
ar fog light (/ page 93)
6 Re
stra int sy stem (/ page413)
ü Seat belt not
fastened (/ page418)
J Brakes (yell
ow) (/ page 413)
J Brakes (red) (/
page 413)
! Electric pa
rking brake (yellow)
(/ page 413)
! Electric pa
rking brake (red)
(/ page 413)
! ABS malfunction (/
page413) ÷
ESP®
(/ page 413)
å ESP®
OFF (/ page 413)
Æ ESP®
SPO RT (/page 413)
L Distance warning (/ page419)
Ù Powe r-assis tedsteering malfunction
(/ page 425)
ä AMG RIDECONTROL malfunction
(/ page 419)
; Engine diagnostics (/
page 420)
# Electrical
fault (/ page 420)
8 Fu
elreser vewith fuel filler cap loca‐
tion indicator (/ page 420)
? Coolant
too hot/cold (/ page 420)
h Ty
re pressure monitor (/ page 423)412
Displaymessa ges and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
ä Suspension warning lamp The
yellow AMG RIDE CONTROL warning lamp is on.
There is a fault in the AMG RIDE CONTROL. #
Obser vethe messages on the multifunction displa y.Engine
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
; Engine diagnosis warning
lamp The
yellow engine diagno stics warning lamp is lit while the engine is running.
A malfunction has occu rred in the engine, theex haust sy stem or the fuel sy stem.
The emissions limit value may ha vebeen exceeded and the engine may be running in eme rgency operation mode. #
Have theve hicle checked as soon as possible at a qualified specialist workshop.
# Electrical fault warning
lamp The
red elect rical fault warning lamp is lit.
There is a fault in the electrics. #
Obser vethe messages on the multifunction displa y.420
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
8 Fu elreser ve wa rning lamp The
yellow fuel reser vewarning lamp is lit while the engine is running.
The fuel supply has dropped into there ser verange. #
Refuel.
?
Coolant warning lamp The
red coolant warning lamp is lit while the engine is running.
Po ssible causes:
R The temp erature sensor is malfunctioning
R The coolant le vel is too low
R The air supply tothera diator is obstructed
R The radiator fan is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120 °C. &
WARNING Danger of bu rns when opening the bonn et
If yo u open the engine bonn etwhen the engine has overheated or during a fire inthe engine compartment, you
could come into contact wi thhot gases or other escaping operating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. Display messages and
warning/indicator lamps 421

1,
2, 3 ...
12 V battery
see Battery (vehicle)
12 V so cket
see Soc ket (12 V) A
A/C function Activating/deactivating (multimedia
sy stem) ................................................ 105
Switching on/off (control panel) ......... 104
ABS (Anti-lock Braking Sy stem) ............ .131
Ac celeration
see Kickdown
Ac cess data
Editing (Blue tooth®
) .............................2 68
Setting (Blu etoo th®
) ............................ 266
Setting up (business telephony) .......... 266
Ac cident and breakdown manage‐
ment
Mercedes me connect ........................ .260
Ac oustic locking verification signal
Ac tivating/deactivating ......................... 55 Ac
tivating/deactivating automatic
vo lume adjustment
Burmes ter®
sur round sound sy stem ... 298
Ac tive Blind Spot Assi st
Ac tivating/deactivating ...................... .160
Ac tive Brake Assi st
Fu nction/no tes ................................... 13 5
Setting ................................................. 137
Ac tive Di stance Assist DISTRO NIC........ 14 2
Calling up a speed .............................. .143
Displ ays in the instrument display .......1 45
Fu nction .............................................. 14 2
Increasing/decreasing speed ..............1 43
Re quirements: .................................... .143
Selecting ............................................. 14 3
St eering wheel buttons ........................ 14 3
St oring a speed ................................... 14 3
Switching off/deacti vating .................. 14 3
Switching on/activating ...................... 14 3
Sy stem limitations ...............................1 42
Ac tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ad aptive
see Lane Keeping Assist Ad
aptive brake lights ..............................137
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive Highbeam Assist
Fu nction ................................................ 95
Switching on/o ff................................... 96
Ad ditional door lo ck.................................. 58
Ad ditional value range
Setting display content ........................ 16 6
Ad diti ves.................................................. 363
Engine oil ............................................ 363
Fu el ..................................................... 363
Ad diti ves (engine oil)
see Additives
Ad diti ves (fuel)
see Fuel
Ad dress book
see Contacts
Ad justing the balance/ fader
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 300
Burmes ter®
sur round sound sy stem ... 299 426
Index

Selecting a POI ....................................
216
Selecting from the map ....................... 220
Selecting pr evious destinations .......... .216
De tecting inat tentiveness
see ATTENTION ASSIST
Diagnostics connection ............................21
Digital Owner's Manual .............................16
Digital speedome ter ................................ 171
Digital TV
see TV
Dinghy towing
see Tow- bar sy stem
Display Care ..................................................... 316
Display (multimedia sy stem)
Settings .............................................. .198
Display (on-board comp uter)
Displ ays on the multifunction display .. 167
Display content Setting the additional value range ....... 16 6
Display message .................................... .369
Calling up (on-boa rdcompu ter) ........... 369 No
tes .................................................. 369
Display messages ¯ - - - km/h ................................... 387
ç - - - km/h ................................... 386
È - - - km/h ................................... 387
#12 V battery See Owner's Man‐
ual ....................................................... 390
Ac tive Brake Assi stFunctions cur‐
re ntly limited See Owner's Manual ...... 382
Ac tive Brake Assi stFunctions limited
See Owner's Manual ........................... 380
Ac tive Dis tance Assi stavailable
again .................................................. .386
Ac tive Dis tance Assi stcur rently
una vailable See Owner's Manual .........386
Ac tive Dis tance Assi stinope rative ...... 386
Ad aptive Highbeam Assist Camera
view restricted See Owner's Manual ....411
Ad aptive Highbeam Assist cur rently
una vailable See Owner's Manual .........410 Ad
aptive Highbeam Assist inopera‐
tive ...................................................... .410
4 Add 1 litre engine oil when next
re fuelling ............................................. 394
Apply brake todeselect Park (P)
position ...............................................3 96
Apply brake toselect R ........................ 397
ÀAT TENTION ASSIST inoperative ... 385
ÀAT TENTION ASSIS T:Take a
break! .................................................. 384
bAu tomatic driving lights inoper‐
ative ..................................................... 41 0
Au xilia rybattery malfunction ...............397
Blind Spot Assi stcur rently una vaila‐
ble See Owner's Manual ...................... 388
Blind Spot Assist inope rative ............... 383
ÁChange key bat teries .................. 403
JCheck brake fluid le vel................ 375
Check brake pads See Owner's Man‐
ual ...................................................... .383 434
Index

4Check eng. oil le
v.when next
re fuelling ............................................. 394
hChe cktyre(s) ............................... 398
?Coolant Stop vehicle Switch
engine off ............................................ 391
Cruise contro l and Limiter inope ra‐
tive ...................................................... 387
Cruise control inope rative ................... 387
Cruise control off ................................ 387
!cu rrently unavailable See Own‐
er's Manual .......................................... 376
÷ currently una vailable See Own‐
er's Manual ........................................ .370
Electronic rear axle dif fere ntial lo ck
cur rently una vailable .......................... .404
Electronic rear axle dif fere ntial lo ck
inope rative .......................................... 404
5Engine oil le vel cannot be
measured ............................................ 392
4Engine oil le velRe duce oil le vel...3 92 4Engine oil le
velSt op vehicle
Switch engine off ................................ 393
4Engine oil pressure Stop Switch
off engine ............................................ 393
Fa ult Drive at max. 80 km/h ...............385
6Fr ont left malfunction Consult
wo rkshop (Example) ............................3 81
Fr ont-passenger airbag disabled See
Owner's Manual ..................................3 80
Fr ont-passenger airbag enabled See
Owner's Manual ..................................3 79
b Hazard warning lamps mal‐
functioning .......................................... .410
! inope rative See Owner's Man‐
ual ....................................................... 377
÷ inope rative See Owner's Man‐
ual ....................................................... 378
T inope rative See Owner's Man‐
ual ....................................................... .374
G Inoperative .................................. 381 ÂInsert
key .................................... 402
ÁKe y not de tected (red displ ay
messa ge).............................................4 02
ÁKe y not de tected (white dis‐
pl ay messa ge).....................................4 03
bLeft dipped beam (Example) ....... 409
6Left wind owbag malfunction
Consult workshop (Example) ...............378
Limiter inoperative .............................. 387
Limiter passive .................................... 387
bMalfunction See Owner's Man‐
ual ....................................................... 409
ðMaximum speed exceeded ..........3 88
Mercedes me connect Services limi‐
te d See Owner's Manual ...................... 381
N permanently active Risk of vehicle
ro lling .................................................. 395
çOff .............................................. .385
ëOff ............................................... 384 Index
435

Only select
Park (P) when vehicle is
st ationary ............................................ 396
!Pa rking brake See Owner's
Manual ................................................ .371
K Please check direction of tr avel ...... 381
PRE-SAFE inoperative See Owner's
Manual ................................................ 380
RACE START cancelled ........................ 388
RACE START not possible See Own‐
er's Manual ......................................... 389
Ra dar sensors dirty See Owner's
Manual ................................................ 375
Ð Rear axle steering cur rently
una vailable .......................................... 404
ÐRe ar axlesteering Malfunction
Vi sit workshop .....................................4 04
Re ar spoiler control sy stem inopera‐
tive ...................................................... 405
Re ar spoiler inoperative Limit XXX
mp h..................................................... 404 hRe
ctify tyre pressure ................... 399
Re duce speed ...................................... 401
!Re lease parking brake .................373
Á Replace key ................................ .402
8Re servefuel le vel........................ 392
6Re stra int sys. malfunction Con‐
sult workshop ...................................... 382
Re versing not poss. Consult work‐
shop ....................................................3 96
Risk of vehicle rolling Driver door
open and transmission not in P ...........396
#See Owner's Manual ................... 389
Speed limit (winter tyres) XXX km/h ... 388
Spoilers extended Caution, reduced
ground clearance ................................ 406
ÙSt eering malfunction Incre ased
ph ysical ef fort See Owner's Manual .... 407
ÙSt eering malfunction Stop
immediately See Owner's Manual .......407 St
op vehicle Lea veengine running
Wa itTransmission cooling ...................395
#St opvehicle Lea veengine run‐
ning ..................................................... 389
#St opvehicle See Owner's Man‐
ual .......................................................3 90
çsuspended .................................. 386
bSwitch off lights .......................... 409
bSwitch on headla mps.................. 409
To shift out of P or N,depress brake
and start engine .................................. 396
To p up coolant See Owner ’sManual ... 390
¥To p upwasher fluid .................... .407
Tr action Control inoperative See
Owner's Manual .................................. 403
Tr af fic Sign Assi stCamera view
re stricted See Owner's Manual ........... 384
Tr af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ...................... 384
Tr af fic Sign Assi stinope rative ............. 384 436
Index