2018 MERCEDES-BENZ AMG GT COUPE steering wheel

Display messagesPossible causes/consequences andMSolutions
WarningTir eMal ‐functionThe tire pressur ein on eor mor etires has dropped suddenly. The whee l
position is shown in th emultifunction display.
GWARNIN G
Drivin gwit h a flat tire poses aris kof th efollowin ghazards :
Raflat tire affects th eabilit yto steer or brak eth evehicl e
Ryou could lose control of th evehicl e
Rcontinued drivin gwit h a flat tire will caus eexcessive heat build-up
and possibl y afire
There is aris kof an accident.
XStop th evehicl ewithout making any sudden steering or braking
maneuvers .Pay attention to th etraffic condition sas you do so.
XSecur eth evehicl eagainst rollin gaway (Ypage 122).
XCheckth etires and ,if necessary, follow th einstruction sfor aflat
tire (Ypage 246).
TirePress.Monito rCurrently Unavaila‐ble
Becausethere is interferenc efrom astron gsource of radi owaves, no
signals from th etire pressur esensor sare detected. The tire pressur e
monitor is temporarily malfunctioning .
XDrive on.
The tire pressur emonitor restarts automatically as soo nas th e
problem has been resolved.
TirePress .Sen ‐sor(s) Missin gThere is no signal from th etire pressur esensor of on eor several tires .
The pressur eof th eaffecte dtire is no tdisplayed in th emultifunction
display.
XHav eth efault ytire pressur esensor replace dat aqualified special -
ist workshop .
TirePressure Moni‐tor Inoperative NoWheel Sensor s
The wheels mounte ddo no thav e a suitable tire pressur esensor .The
tire pressur emonitor is deactivated.
XMoun twheels wit hsuitable tire pressur esensors.
The tire pressur emonitor is activated automatically after drivin gfor
a few minutes.
Tir ePress.Monito rInoperativeThe tire pressur emonitor is faulty.
XVisit aqualified specialist workshop .
Display messages187
On-board computer and displays
Z

SmartKey
Display messagesPossible causes/consequences andMSolutions
Â
KeyDoesNotBelongto Vehicle
You have put the wrong SmartKey in the ignition lock.
XUse the correct SmartKey.
Â
Take Your Key fromIgnition
The SmartKey is in the ignition lock.
XRemove the SmartKey.
Â
Obtain a New Key
The SmartKey needs to be replaced.
XVisit a qualified specialist workshop.
Â
Replace Key Battery
The SmartKey battery is discharged.
XChange the batteries (Ypage 68).
Â
Don't Forget YourKey
The SmartKey is not in the ignition lock. You have opened the driver's
door with the engine switched off.
This display message is displayed for a maximum of 60 seconds and is
simply a reminder.
XTake the SmartKey with you when you leave the vehicle.
Â
Key Not Detected(white display message)
The SmartKey is currently undetected.
XChange the location of the SmartKey in the vehicle.
If the SmartKey still cannot be detected:
XInsert the SmartKey into the ignition lock and turn it to the desired position.
Â
Key Not Detected(red display message)
The SmartKey is not in the vehicle.
A warning tone also sounds.
If the engine is switched off, you can no longer lock the vehicle cen-
trally or start the engine.
XPull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 122).
XLocate the SmartKey.
XPress aon the steering wheel to confirm the display message.
192Display messages
On-board computer and displays

Operating system
Overview
General notes
Wearing polarized sunglasses may impair your
ability to read the display.
The display has an automatic temperature-con-
trolled switch-off feature. The brightness is
automatically reduced if the temperature is too
high. The display may temporarily switch off
completely.
Cleaning instructions
!Do not touch the display. The display has a
very sensitive high-gloss surface; there is a
risk of scratching. If you have to clean the
screen, however, use a mild cleaning agent
and a soft, lint-free cloth.
The display must be switched off and have
cooled down before you start cleaning. Do not
apply pressure to the display surface when
cleaning it, as this could cause irreversible dam-
age to the display.
Switching the multimedia system
on/off
XPress the Äcontrol knob which is located
on the center console to the right of the con-
troller.
Adjusts the volume
XTurn the Äcontrol knob which is located
on the center console to the right of the con- troller.
The volume is adjusted:
Rfor the currently selected media source
Rduring traffic or navigation announcements
Rin hands-free mode during a phone call
Switching the sound on or off
XPress the 8button on the multifunction
steering wheel.
If the audio output is switched off, the status
line will show the 8symbol. If you switch the media source or change the volume, the
sound is automatically switched on.
iYou will hear navigation messages even
when the sound is muted (COMAND).
Functions
The multimedia system has the following func-
tions:
RRadio mode
RMedia mode with media search
RSound system
RNavigation system (COMAND):
RCommunication functions
RSIRIUS Weather (COMAND)
RVehicle functions with system settings
RFavorites functions
Controller
The controller in the center console lets you:
Rselect menu items on the display
Renter characters
Rselect a destination on the map
Rsave entries
The controller can be:
Rturned 3
Rslid left or right 1
Rslid forwards or back 4
Rslid diagonally2
Rpressed briefly or pressed and held 7
Back button
You can use the%button to exit a menu or to
call up the display of the current operating
mode.
XTo exit the menu: briefly press the%
button.
The multimedia system changes to the next
higher menu level in the current operating
mode.
XTo call up the highest level menu: press the
% button for longer than two seconds.
Operating system205
Multimedia system
Z

Socket in the cargo compartment
XLift up the cover of socket:.
mbrace
General notes
The mbrace system is only available in the USA.
A license agreement must be in place in order to
activate the mbrace service. Make sure that
your system is activated and operational. To
register, press the ïInfo call button. If any of
the steps mentioned are not carried out, the
system may not be activated.
If you have questions about the activation, con-
tact one of the following telephone hotlines:
Mercedes-Benz Customer Assistance Center at
1-800 FOR-MERCEDES (1-800-367-6372) or
1-866-990-9007
Shortly after successfully registering with the
mbrace service, a user ID and password will be
sent to you by mail. You can use this password
to log onto the mbrace area under "Owners
Online" at http://www.mbusa.com.
The system is available if:
Rit has been activated and is operational
Rthe corresponding mobile phone network is
available for transmitting data to the Cus-
tomer Center
Ra service subscription is available
Determining the location of the vehicle on a map
is only possible if:
RGPS reception is available
Rthe vehicle position can be forwarded to the
Customer Assistance Center
The mbrace system
To adjust the volume during a call, proceed as
follows:
XPress the WorX button on the multi-
function steering wheel.
or
XUse the multimedia system volume control.
The system offers various services, e.g.:
RAutomatic and manual emergency call
RRoadside Assistance call
RInfo call
You can find information and a description of all
available features under "Owners Online" at
http://www.mbusa.com.
System self-test
After you have switched on the ignition, the sys- tem carries out a self-diagnosis.
A malfunction in the system has been detected
if one of the following occurs:
RThe indicator lamp in the SOS button does notcome on during the system self-test.
RThe indicator lamp in the FRoadside
Assistance button does not light up during
self-diagnosis of the system.
RThe indicator lamp in the ïInfo call button
does not light up during the system self-diag-
nosis.
RThe indicator lamp in one or more of the fol-
lowing buttons continues to light up red after
the system self-diagnosis:
-SOS button
-F Roadside Assistance call button
-ïInfo call button
RTheInoperativeor the Service NotActivatedmessage appears in the multi-
function display after the system self-diagno-
sis.
If a malfunction is indicated as outlined above,
the system may not operate as expected. In the event of an emergency, help will have to be
summoned by other means.
Have the system checked at the nearest author-
ized Mercedes-Benz Center or call the following telephone assistance services:
Mercedes-Benz Customer Assistance Center at
1-800 FOR-MERCEDES (1-800-367-6372) or
1-866-990-9007.
Features219
Stowage and features
Z

Roadside Assistance button
XTo call:press Roadside Assistance but-
ton :.
This initiates a call to the Mercedes-Benz Cus-
tomer Assistance Center.
The indicator lamp in Roadside Assistance
button :flashes while the call is active. The
Connecting Call
message appears in the
multifunction display. The audio output is
muted.
If a connection can be established, the Call
Connectedmessage appears in the multifunc-
tion display.
If a mobile phone network and GPS reception
are available, the system transfers data to the
Mercedes-Benz Customer Assistance Center,
for example:
RCurrent location of the vehicle
RVehicle identification number
The multimedia system display indicates that a
call is active. During the call, you can change to
the navigation menu by pressing the NAVI but-
ton on the multimedia system, for example.
Voice output is not available in this case.
A voice connection is established between the
Mercedes-Benz Customer Assistance Center
and the vehicle occupants.
From the remote malfunction diagnosis, the
Mercedes-Benz Customer Assistance Center
can ascertain the nature of the problem
(
Ypage 224).
The Mercedes-Benz Customer Assistance Cen-
ter either sends a qualified Mercedes-Benz tech-
nician or makes arrangements for your vehicle
to be transported to the nearest Mercedes-Benz
Service Center.
You may be charged for services such as repair
work and/or towing. You can find more information in the separate
mbrace manual.
The system has not been able to initiate a Road-
side Assistance call, if:
Rthe F indicator lamp for the Roadside
Assistance call button is flashing continu-
ously.
Rno voice connection to the Mercedes-Benz
Customer Assistance Ce nter was estab-
lished.
This can occur if the relevant mobile phone net-
work is not available, for example.
The Call Failed
message appears in the mul-
tifunction display.
XTo end a call: press the~button on the
multifunction steering wheel.
or
XPress the corresponding multimedia system
button for ending a phone call.
Info call button
XTo call: press Info call button :.
This initiates a call to the Mercedes-Benz Cus-
tomer Assistance Center.
The indicator lamp in Info call button :
flashes while the connection is being made.
The Connecting Call
message appears in
the multifunction display. The audio output is muted.
If a connection can be established, the Call
Connectedmessage appears in the multifunc-
tion display.
If a mobile phone network and GPS reception
are available, the system transfers data to the
Mercedes-Benz Customer Assistance Center,
for example:
RCurrent location of the vehicle
RVehicle identification number
Features221
Stowage and features
Z

The multimedia system display indicates that a
call is active. During the call, you can change to
the navigation menu by pressing the NAVI but-
ton on COMAND, for example.
Voice output is not available in this case.
A voice connection is established between the
Mercedes-Benz Customer Assistance Center
and the vehicle occupants.
You receive information about operating your
vehicle, about the nearest Mercedes-Benz Ser-
vice Center and about other products and serv-
ices from Mercedes-Benz.
You can find further information on the mbrace
system under "Owners Online" at
http://www.mbusa.com.
The system was unable to initiate an Info call if:
Rthe indicator lamp in theïInfo call button
is flashing continuously.
Rno voice connection to the Mercedes-Benz
Customer Assistance Center has been estab- lished.
This can occur if the relevant mobile phone net-
work is not available, for example.
The Call Failed
message appears in the mul-
tifunction display.
XTo end a call: press the~button on the
multifunction steering wheel.
or
XPress the corresponding multimedia system
button for ending a phone call.
Call priority
When service calls are active, e.g. Roadside
Assistance or Info calls, an emergency call can
still be initiated. In this case, an emergency call
will take priority and override all other active
calls.
The indicator lamp of the respective button
flashes until the call is ended.
An emergency call can only be terminated by the
Mercedes-Benz Customer Assistance Center.
All other calls can be ended by pressing:
Rthe ~ button on the multifunction steering
wheel
Rthe corresponding button in the multimedia
system to end the voice call
When a call is initiated, the audio system is
muted. The mobile phone is no longer connected to the
multimedia system.
However, if you want to use your mobile phone,
do so only when the vehicle is stationary and in
a safe location.
Downloading destinations in COMAND
Downloading destinations
Downloading destinations gives you access to a
database with over 15 million points of interest
(POIs). These can be downloaded on the navi-
gation system in your vehicle. If you know the
destination, the address can be downloaded.
Alternatively, you can obtain the location of
Points of Interest (POIs)/important destinations
in the vicinity.
Furthermore, you can download routes with up
to four way points.
You are prompted to confirm route guidance to
the address entered.
XSelect Yesby turning 3or sliding 1
the controller and confirm with 7.
The system calculates the route and subse-
quently starts the route guidance with the
address entered.
If you select No
the address can be stored in
the address book.
The destination download function is available
if:
Rthe vehicle is equipped with a navigation sys-
tem.
Rthe relevant mobile phone network is availa-
ble and data transfer is possible.
Route Assistance
This service is part of the mbrace PLUS Package
and cannot be purchased separately.
You can use the Route Assistance function even
if the vehicle is not equipped with a navigation
system.
Within the framework of this service, you receive
a professional and reliable form of navigation
support without having to leave your vehicle.
The customer service representative finds a
suitable route depending on your vehicle's cur-
rent position and the desired destination. You
will then be guided live through the current route
section.
222Features
Stowage and features

XPull oil dipstick:out of the dipstick guide
tube.
XWipe off oil dipstick :.
XSlowly slide oil dipstick :into the guide tube
to the stop, and take it out again.
If the level is between MIN mark =and MAX
mark ;, the oil level is correct.
XIf the oil level has dropped to MIN mark =or
below, add 1.1 US qt (1.0 liter) engine oil.
Checking the oil level using the on-board computer
Calling up the oil level measurement
XSelect key position 2with the Start/Stop button.
XUse ò on the steering wheel to call up the list of menus.
XPress the :or9 button on the steering wheel to select the Servicemenu.
XConfirm by pressingaon the steering wheel.
XUse: or9 to select the Engine Oil Levelsubmenu.
XPressato confirm the selection.
The Measuring Engine Oil Level Accurate Only When Vehicle Is Levelmessage
appears in the multifunction display.
The measurement takes a few seconds. You will see a message in the multifunction display. The
messages are explained in the following chapter.
Engine oil level display messages
Display messagesPossible causes/consequences and MSolutions
Engine Oil Level OKThe engine oil level is correct.
Check Engine OilLevel (Add 1 Liter)
The engine oil level is too low.
XAdd 1.1 US qt (1.0 liter) of engine oil.
Reduce Engine OilLevel
The engine oil level is too high.
XHave excess engine oil siphoned off.
For Engine OilLevelIgnitionMustBe On
The ignition is switched off.
XSelect key position2with the Start/Stop button.
Need More Time toCheck Engine OilLevel
The required waiting period was not observed.
XThe engine must be at regular operating temperature.
Measurements can only be taken within the first four minutes after
the engine has been switched off.
Engine Oil LevelNotMeasurablewithEngine Running
The engine is running; oil level measurement is not possible.
XSwitch off the engine.
XRepeat the measurement. Observe the required waiting period.
234Engine compartment
Maintenance and care

XReplacecap ;and tur nit clockwise as far as
it will go.
XReplac eengin ecover :.
Fo rfurther information on coolant, see
(
Ypage 287).
Windshield washer system
GWARNIN G
Certain component sin th eengin ecompart-
ment, suc has th eengine, radiato rand part s
of th eexhaust system, can become ver yhot .
Workin gin th eengin ecompartmen tposes a
ris kof injury.
Wher epossible, let th eengin ecool down and
touch only th ecomponent sdescribe din th e
following.
GWARNIN G
Windshield washe rconcentrate could ignit eif
it comes int ocontact wit hhot engin ecompo -
nent sor th eexhaust system. There is aris kof
fir eand injury.
Mak esur ethat no windshield washe rcon-
centrat eis spilled next to th efiller neck .
Example
XTo open :pull cap :upwards by th etab .
XAddth epremixed washe rfluid .
XTo close: press cap :onto th efiller neck
until it engages.
If th ewashe rfluid level drops belo wtherecom-
mended minimum of 1liter, amessage appear s
in th emultifunction display prompting you to
add washe rfluid (
Ypage 191).
Further information on windshield washe rfluid /
antifreez e (
Ypage 287).
ASSYST PLUS
Service message
i
If th escheduled servic eintervals are excee-
ded, this may result in damag eto th evehicle.
You can obtain up-to-date information concern -
ing th eservicing of your vehicl efrom aqualified
specialist workshop, e.g. an authorize d
Mercedes-Benz Cente ror at
http://www.mbusa.co m(US Aonly).
The ASSYS TPLU Sservic einterval display
inform syou of th enext servic edue date.
iThe ASSYS TPLU Sservic einterval display
does no tsho wany information on th eengin e
oil level. Observ eth enote son th eengin eoil
level (
Ypage 233).
The multifunction display shows aservic emes -
sage for several seconds, e.g. :
RService Ain XX Day s
RService ADue
RServic e AOverdu eby XX Day s
Dependingon th eoperating condition sof th e
vehicle, th eremaining time or distanc euntil th e
next servic edue dat eis displayed.
The lette rA
or B,possibl yin connection wit h a
number or another letter, shows th etyp eof ser -
vice. A
stand sfor aminor servic eand Bfora
major service.
You can obtain further information from an
authorize dMercedes-Benz Center.
The ASSYS TPLU Sservic einterval display does
no ttak eint oaccoun tany periods of time during
whic hth ebattery is disconnected.
Maintainin gth etime-dependen tservic esched-
ule:
XNot edown th eservic edue dat edisplayed in
th emultifunction display before disconnect -
ing th ebattery.
or
XAfte rreconnecting th ebattery, subtrac tth e
battery disconnection periods from th eser -
vic edat eshown on th edisplay.
Hiding a service message
XPress th ea or% buttonon th esteering
wheel.
ASSYST PLUS237
Maintenance and care
Z