battery MERCEDES-BENZ AMG GT COUPE 2022 Repair Manual

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
*T hecharging cable is not inse rted. #
Switch o. theve hicle for /ve to ten minutes. #
Switch on theve hicle. #
Ifth e display message still appears, consult a quali/ed specialist workshop.
#
12 V battery See Owner's
Manual *T
hevehicle is o. and the state of charge ofthe 12 V battery is too lo w. #
Switch o. elect rical consume rsthat are not requ ired. #
Drive for 30–60 mins.
or #
Char gethe 12 V battery when stationary (/ page 368).
*I fth e message appears while theve hicle is switched on, this indicates an on-board electrical system malfunction. #
Consult a quali/ed specialist workshop.
#
See Owner's Manual *T
he 12 V battery is not being charge d.
* N
NOOTE
TE Possible engine damage if you continue driving #
Do not continue driving under any circumstances. #
Consult a quali/ed speciali stwo rkshop. #
Stop immediately in accordance with the tra1c conditions and switch o. theve hicle. #
Consult a quali/ed specialist workshop. 470
470
Displ
aymessages and warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
#
Stop vehicle See Owner's
Manual *T
he 12 V battery is no lon ger being charge d and the state of charge istoo lo w.
* N NO
OTE
TE Possible engine damage if you continue driving #
Do not continue driving under any circumstances. #
Consult a quali/ed speciali stwo rkshop. #
Stop theve hicle immediately in accordance with the tra1c conditions. Do not continue driving. #
Switch o. theve hicle. #
Consult a quali/ed specialist workshop.
#
Stop vehicle Leave engine
running *T
he 12 V battery charge leve l is too lo w. #
Stop theve hicle immediately in accordance with the tra1c conditions. Do not continue driving. #
Leavethe engine running. #
Ifth e display message disappears: drive on. #
Ifth e display message does not disappear: consult a quali/ed specialist workshop. Displ
aymessages and warning/indicator lamps
471
471

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions
Û
Battery overheated Stop,
everybody out! Outdoors if
possible *T
he 48 V battery is overheating. There is a risk of /re. #
Stop theve hicle immediately in accordance with the tra1c conditions. #
If possible, stop theve hicle in the open air and ensure that all vehicle occupants getout.
% Supporting vehicle functions may activate automaticall y,e.g. the air-recirculation mode as part of climate control. #
Do not continue driving. #
If smoke is present, lea vethe danger zone and call the /re service immediatel y. #
Consult a quali/ed specialist workshop even if there are no extern al signs of a /re.
Û
48 V battery See Owner's
Manual *T
he 48 V on-board elect rical system has function restrictions.
Comfort functions ma y berestric ted. #
Consult a quali/ed specialist workshop immediatel y.
Ý
Please wait 48 V battery
charging *T
he 48 V battery is dischar ged. You ha veswitched on theve hicle while the 12 V battery was being charge d with a
suitable charge r or while ano ther vehicle was pr oviding starting assistance.
The dischar ged 48 V battery is charge d automatically via thevo ltage con verter. ATer a fewminutes, theMotor can be
started again display message will be shown on the inst rument displa y. #
Start theve hicle. 472 472
Displ
aymessages and warning/indicator lamps

Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Drive theve hicle for a while tocharge the 12 V battery and the 48 V battery aTer disconnecting thech arge r from
th eve hicle.
If th eMotor can be started again display message does not appear aTer a fewminutes: #
Tryto start theve hicle. #
Ifth eve hicle does not start, consult a quali/ed specialist workshop.
Motor can be started again *The 48 V battery has been charge d automatically via thevo ltage con verter. #
Start theve hicle and drive for a while tocharge the 12 V battery and the 48 V batter y. T
T
yr
yr e pr
e pr essur
essur e monit
e monit or
or Displa
Displa
y messag
y messag es P
es Possible causes/conseq
ossible causes/conseq uences and
uences andM
MSolutions
Solutions
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
being received. The tyre pressure monitoring system is temp orarily una vailable.
The tyre pressure monitoring system will restart au tomatically as soon as the cause has been recti/ed. #
Drive on.
Tyre press. monitor inoper-
ative *T
he tyre pressure moni toring system is malfunctioning. Display messa
ges and warning/indicator lamps
473 473

W
W
ar
ar ning/indicat
ning/indicat or lampP
or lam pP ossible causes/conseq
ossible causes/consequences and uences andM
MSolutions
Solutions #
Notethe messages on the instrument displa y.
If t
If t he coolant t
he coolant t em
emper
per atur
atur e displa
e displa y is at t
y is at the low
he lower end of t
er end of t he t
he tem
emper
per atur
atur e scale:
e scale: #
Consult a quali/ed specialist workshop.
If t
If t he coolant t
he coolant t em
emper
per atur
atur e displa
e displa y is at t
y is at the upper end of t
he upper end of t he t
he tem
emper
per atur
atur e scale:
e scale: #
Exit theve hicle and keep a safe distance from it until the engine has cooled down. #
Check the coolant le vel (/ page 349). #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive tothe nearest quali/ed specialist workshop. In doing so, ensu rethat 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 battery cooling is faulty
R The radiator shutters are bloc ked or defective #
Avoiding high loads on the engine, drive tothe nearest quali/ed specialist workshop. 486
486
Displ
aymessages and warning/indicator lamps

Animals
Animals
Pets in theve hicle.................................... 82
Anti-loc
Anti-loc k br
k braking syst
aking syst em
em, ABS..................... .211
Anti-t
Anti-theT heTalar
alarm syst
m syst em
em,ATA ......................... 104
Anti-t
Anti-theT heTprot
pr otection
ection ,ATA
Ad ditional door loc k................................. 86
Immobiliser............................................ 104
Appr ov
Approv al numbers
al numbers....................................... .397
Apps
Apps
Mercedes me calls................................. 321
Mercedes me connect........................... 324
Assist Assist ance syst
ance syst ems
ems ...................................... 210
ASS YS
ASS YST PL
T PL US
US
Battery disconnection periods................ 345
Service inter val display.......................... 344
Service requ irements............................. 344
ATA
ATA , Anti-theT pr otection
Deactivating the alar m........................... 105
Fu nction................................................ 104
Interior pr otection.................................. 106
To w- awa y protection.............................. 105
A
A TTENTION ASSIST
TTENTION ASSIST
Function................................................ 218 Setting..................................................
.219
A
A ut
ut hor
hor ised w
ised w ork
orkshop
shop ...................................... 40
A
A ut
ut omatic car w
omatic car w ash
ash...................................... 350
A
A ut
ut omatic car w
omatic car w ash mode
ash mode............................ 350
A
A ut
ut omatic climat
omatic climat e contr
e contr ol
ol............................ 153
A
A ut
ut omatic dist
omatic dist ance contr
ance control
ol,Ac tive Dis-
ta nce Assist DISTRONIC, DISTRONIC.......... .223
A
A ut
ut omatic dr
omatic dr iving lights
iving lights................................ 137
A
A ut
ut omatic emerg
omatic emerg ency call
ency call, Mercedes-
Benz emer gency call system......................... 332
A
A ut
ut omatic engine st
omatic engine st ar
art/st
t/st op
op
ECO start/stop function........................ 176
A
A ut
ut omatic fr
omatic fr ont passeng
ont passeng er airbag
er airbagshut
shuto.
o.,
PA SSENGER AIR BAG status display
Fu nction.................................................. 57
PA SSENGER AIR BAG indicator la mps...... 58
A
A ut
ut omatic mirr
omatic mirr or f
or folding function
olding function ................. 149
A A ut ut omatic seat adjus
omatic seat adjustment tment........................... 113
A
A ut
ut omatic tr
omatic tr ansmission
ansmission
Changing gear........................................ 186
DIRECT SELECT le ver............................. 186
Double-clutch function........................... 188 Drive prog
rams...................................... 183
DY NAMIC SELECT switch....................... 183
Engaging drive position.......................... 188
Kickd own............................................... 190
Manual shiTing...................................... 188
St eering wheel gearshiT paddles............ 188
Tr ansmission position displ ay................. 186
Tr ansmission position s........................... 186
A
A ut ut onomous br
onomous br aking
aking.................................... 233
Axle load
Axle load Trailer operatio n.................................... .411 B
B
Bad w
Bad w eat
eather light
her light ......................................... 140
Bag hook
Bag hook..................................................... 126
Ball neck Ball neck Extending/r etra cting............................. .271
Extending/r etra cting (MBUX multime-
dia system)............................................ 273
Tr ailer coupling...................................... 274
B
B AS AS, Brake Assist System............................. 212
Batt
Batt er
ery (12 V batt
y (12 V batt er
ery)
y)
Charging................................................ 368 Index
499
499

Exterior lighting...................................... 354
Head-up display..................................... 355
High-pressure cleaner........................... .351
Pa int...................................................... 352
Plastic trim............................................3 55
Re alwo od/trim elements..................... .355
Re ar wing............................................... 354
Ro of lining............................................. 355
Ta ilpipes................................................ 354
Tr ailer hitc h............................................ 354
Ve hicle interior....................................... 355
Ve hicle soc ketfo rth e high-voltage
battery................................................... 354
Wa shing byhand.................................... 352
Car
Car ing f ing f or plas
or plas tic tr
tic trim
im................................... 355
Car Car ing f ing f or r
or real w
eal w ood
ood.................................... .355
Car
Car ing f
ing f or t
or the st
he st eer
eering wheel
ing wheel........................ 355
Car
Car ing f
ing f or tr
or trim elements
im elements............................... 355
Car
Car ing f
ing f or wheels
or wheels......................................... 354
Centr
Centr al loc
al locking syst
king syst em
em
Button..................................................... 87
Ke y.......................................................... 84
Charg
Charg e lev e level display
el display .................................... .204 Charg
Charg
e lev
e level/c
el/charg
harge display
e display ......................... 204
Char
Char ging
ging
12 V battery........................................... 368
Char geleve l displa y............................... 204
Charg ing cable control panel.................. 198
Charging station, mode 3....................... 196
Ending thech arging process (alternat-
ing cur rent, mode 2/3).......................... 203
Indica tor lamps on vehicle soc ket........... 199
Mains soc ket, mode 2............................ 195
Maximum charging cur rent (mains
soc ket).................................................. 197
No tes on charging the high-voltage
battery................................................... 194
St arting thech arging process................. 200
St ow ing thech arging cable.................... 194
USB port............................................... .132
Wa llbox, mode 3.................................... 196
Char Char ging cable
ging cable
Control panel......................................... 198
St ow ing................................................. 194
Char Char ging t
ging t he high-v
he high-v olt
oltag
age batt
e batt ery
ery
St arting thech arging process................. 200 Chassis
Chassis
Damping characteristics........................ .246
DY NAMIC BODY CONTROL.................... 246
Chec
Chec king t
king t he coolant lev
he coolant lev el
el.......................... .349
Child safe
Child safe ty lock
ty lock
Re ar door................................................ .80
Side window (rear)................................... 81
Child seat
Child seat Approva l categories................................. 67
Basic inst ructions.................................... 62
Fi tting ISOFIX/i-Size................................ 71
Fr ont passenger seat............................... 78
Re commendations forch ild restraint
systems................................................... 66
Ris ks/dan gers......................................... 63
Seats suitable for belt-secured child
re straint systems..................................... 74
Seats suitable for i‑Size child restraint
systems................................................... 70
Seats suitable for ISOFIX child
re straint systems..................................... 69
Securing.................................................. 67
Securing tothe front passenger seat
with the seat belt..................................... 79 Index
501 501

Securing
tothere ar seat with the
seatbelt................................................... 76
To pTe ther................................................ 73
Wi thout automatic front passenger
airbag shuto........................................... .77
Childr
Childr en
en
Av oiding dangers in theve hicle............... .63
Basic instructions.................................... 62
Chock Chock................................................. .387, 388
City lighting
City lighting.................................................. 140
Clean v Clean v ar
arnish
nish............................................... 352
Cleaning
Cleaning Air/water duct....................................... 350
Automatic car wash.............................. .350
Car parts............................................... 354
Decorative foil........................................ 353
High-pressure cleaner............................3 51
Pa int...................................................... 352
Ve hicle interior....................................... 355
Ve hicle soc ketfo rth e high-voltage
battery................................................... 354
Cleaning car
Cleaning car pe pets
ts..........................................3 55
Cleaning seat cov
Cleaning seat cov ers
ers.................................... 355 Climat
Climat
e contr
e contr ol
ol
A/C function......................................... 153
Ac tivating/deactivating.......................... 152
Ac tivating/deactivating the A/C func-
tion (control panel).................................1 52
Ac tivating/deactivating the synchro-
nisation function (control panel)............. 153
Au tomatic control................................. .153
Calling up the air conditioning menu....... 152
Climate style function............................ 153
Demisting the windscreen...................... 151
Demisting windo ws................................ 154
Fr ag rance system.................................. 154
Fr ont air vents........................................ 163
Glo vebox air vent.................................. 164
Immediate pre-entry clima tecont rol....... 158
Inse rting/removing the 0acon (fra-
gr ance system)...................................... 155
Ionisatio n.............................................. .154
No tes..................................................... 151
Pre-ent ryclimate cont rolfo r depar-
ture time................................................1 57
Pre-entry climate control using theke y... 156
Re ar air vents......................................... 163
Re sidual heat......................................... 154
Setting (MBUX multimedia system)......... 152 Setting
the air distribution...................... 151
Setting the air0ow.................................. 151
Setting the climate style......................... 153
Setting theve hicle interior temp era-
ture....................................................... 151
St ationary heater/ ventilation................. 159
Switching air-reci rculation mode
on/o.................................................... 154
Switching there ar wind owheater
on/o.................................................... 151
Syn chronisation function........................ 154
THERMATIC cont rol panel...................... 151
THERMOTRONIC control panel............... 151
Ve ntilation with com fort openin g.............. 98
Climat Climat e s
e stytyle
le
Fu nction................................................ 153
Setting.................................................. .153
C
C OC papers
OC papers , Certi/cate of conformity..........3 95
Coc
Coc kpit
kpit
Dashboar d........................................... 6, 10
Co.ee
Co.ee cup symbol
cup symbol, ATTENTION ASSIST........ 218
Collision det
Collision det ection (park
ection (parked v
ed vehicle)
ehicle)
Information............................................ 208 502
502
Ind
ex

Displa
Displa
y messag
y messag es
es
ç - - - km/h..................................... 451
È - - - km/h..................................... 451
h - - - km/h..................................... 450
# 12 V battery See Owner's Man-
ual......................................................... 470
Û 48 V battery See Owner's Man-
ual......................................................... 472
ò Acoustic presence indicator
inoperative............................................ .425
: Active Light System inoperative..... 420
5 Add 1 litre engine oil when next
re fuelling ............................................... 477
é ATTENTION ASSIST inoperati ve..... 450
é ATTENTION ASSIS T:Take a
break!.................................................... 450
: Automatic driving lights inoper-
ative...................................................... 420
Û Battery overheated Stop, every-
body out! Outdoors if possible ........ 428, 472Á
Change key batteries .................... 417
è Charger cable connected .............. 425
J Check brake 0uid le vel.................. 449
ï Check trailer hitch lock (white
display message) .................................... 433
h Check tyre(s) ................................ 474
ÿ Coolant Stop vehicle Switch
engine o............................................... 440
! currently una vailable See Own-
er's Manual............................................4 64
÷ currently una vailable See Own-
er's Manual............................................4 66
5 Engine oil le vel cannot be meas-
ured....................................................... 478
5 Engine oil le velRe duce oil le vel..... 477
5 Engine oil le velSt op vehicle
Switch engine o.................................... 477
5 Engine oil pressure Stop Switch
o. engine.............................................. 478
ä Fault Drive at max. 80 km/h ......... 4616
Front leT malfunction Consult
wo rkshop (e xample)...............................4 14
Û Have high- voltage system
ch ecked See Owner's Manual ................ 429
& inoperative Battery low................. 423
& inoperative Char geHV battery...... 423
& inoperati veHigh-voltage battery
ch arging inco mplete ............................... 423
& inoperative Refuel vehicle............. .423
& inoperative See Owner's Man........ 422
! inoperative See Owner's Manual.. .465
÷ inoperative See Owner's Manual.. .466
T inoperative See Owner's Manual.. .467
G Inoperative................................... 468
: Intelligent Light System inopera-
tive........................................................ 421
Á Key being initialised Please wait.... 419
Á Key not de tected (red display
message).............................................. .418 504 504
Index

Á
Key not de tected (white display
message).............................................. .418
: LeT dipped beam (e xample).......... 419
6 LeT windowbag malfunction
Consult workshop (e xample).................. 415
¢ Lowe ring....................................... 462
: Malfunction See Owner's Man-
ual ......................................................... 420
Û Malfunction Visit workshop ........... 429
d Malfunction.................................. 430
Û Malfunction.................................. 428
ð Maximum speed exceeded ............ 453
ç O................................................. 452
ë O................................................. 449
ï Operation only possible in
transmission position P .......................... 432
! Parking brake See Owner's
Manual..................................................4 45
d Performance se verely limited........ 430
É Please reduce speed .................... .463 Ý
Please wait 48 V battery charg-
ing......................................................... 472
6 Please wait Depressurising tank .... 431
& Pre-entry clima tecont rol (via
ke y) available again aTer engine start..... 424
& Pre-ent ryclimate cont rol (via
ke y) inoperati veHV-battery low .............. 424
Ù Rear axle steering cur rently
una vailable............................................. 436
Ù Rear axle steering Malfunction
Vi sit workshop ....................................... 435
_ Rear leT seat backrest not
loc ked (Example) .................................... 439
h Rectify tyre pressure ..................... 475
! Release parking brake ...................448
Á Replace key.................................. 417
8 Reser vefuel le vel.......................... 442
6 Restraint sys. malfunction Con-
sult workshop ....................................... .413
# See Owner's Manual..................... 470 Ù
Steering malfunction Increased
ph ysical e.ort See Owner's Manual.......4 35
Ù Steering malfunction Stop
immediately See Owner's Manual ........... 435
Û Stop immediately Drive will be
deactivated Char gehigh- voltage bat-
te ry ........................................................ 428
d Stop Switch engine o................... 430
# Stop vehicle Lea veengine run-
ning ....................................................... 471
# Stop vehicle See Owner's Man-
ual......................................................... 471
Û Stop vehicle ShiT toP Lea ve
engine running ....................................... 427
É Stop vehicle Vehicle too low .......... 462
ç suspended .................................... 451
: Switch o. lights............................ 421
: Switch on headlamps .................... 421
6 Tank is dep ressurised Ready for
re fuelling ............................................... 431 Ind
ex
505 505