2019 MERCEDES-BENZ AMG GT ROADSTER engine

!
If the coolant temperature is too high, a dis-
play message is shown.
If the coolant temperature display is in the
area marked in red, do not continue driving.
Otherwise, the engine will be damaged.
The coolant temperature display is in the lower
section of the tachometer (Y page 34).
Under normal operating conditions and with the specified coolant level, the coolant temperature
display may rise to the red marking. Operating the on-board computer
0043
Multifunction display
0044 Right control panel
0087 Left control panel
X To activate the on-board computer: set the
Start/Stop button to key position 0047.
You can control the multifunction display and
the settings in the on-board computer using the buttons on the multifunction steering wheel. Left control panel 00E2 R
Opens the menu list 0063
0064 Press briefly:
R Scrolls in lists
R Selects a menu or function
R In the Radio Radio orMedia
Media menu:
opens the track or station list and
selects a station, an audio track or a video scene
R In the Telephone Telephone menu: switches
to the phone book and selects a
name or a telephone number 0063
0064 Press and hold:
R
Scrolls quickly through all lists
R In the Radio Radio orMedia
Media menu:
selects a station, audio track or
video scene using rapid scrolling
R In the Telephone Telephone menu: starts
rapid scrolling if the phone book is open 0076 R
In all menus: confirms the selected
entry in the list
R In the Radio
Radio orMedia
Media menu:
opens the list of available radio
sources or media
R In the Telephone
Telephone menu: switches
to the phone book and starts dial-
ing the selected number 00E1 R
Switches off the Voice Control
System (see the Digital Operator's
Manual) 0038 Press briefly:
R Back
R In the Radio Radio orMedia
Media menu: dese-
lects the track or station list or list
of available radio sources or media
R Hides display messages
R Exits the telephone book/redial
memory 0038 Press and hold:
R
Calls up the standard display in the
Trip Trip menu 160
Displays and operationOn-board computer and displays

R
Active Distance Assist DISTRONIC
(Y page 136)
R Distance warning function of Active Brake
Assist (Y page 59)
R Blind Spot Assist (Y page 155)
R ATTENTION ASSIST (Y page 154)
R Lane Keeping Assist (Y page 157)
X Press 0064to display the ATTENTION ASSIST
assessment. Service menu
Depending on the equipment installed in the
vehicle, you have the following options in the
Service
Service menu:
R calling up display messages in message mem-
ory (Y page 174)
R checking the tire pressure electronically
(Y page 270).
R calling up the service due date (Y page 241).
R checking the engine oil level using the on-
board computer (Y page 237).Settings menu
Introduction Depending on the equipment installed in the
vehicle, you have the following options in the
Settings Settings menu:
R changing assistance settings (Y page 168).
R changing the light settings (Y page 169).
R changing the instrument cluster settings
(Y page 169).
R restoring the factory settings (Y page 170).
Assistance submenu Activating/deactivating Active Brake
Assist
X Press 00E2on the steering wheel to open the
menu list.
X Press 0064or0063 on the steering wheel to
select the Settings
Settings menu.
X Confirm by pressing 0076on the steering
wheel.
X Press 0064or0063 to select the DriveAs‐ DriveAs‐
sist
sist submenu. X
Press 0076to confirm.
X Press 0063or0064 to select Brake BrakeAssist Assist.
X Press 0076to confirm.
The current selection appears.
X To activate/deactivate: press the0076but-
ton again.
When Active Brake Assist is deactivated, the
00D4 symbol appears in the Assistance Assistance
Graphic
Graphic menu of the multifunction display.
Further information on Active Brake Assist
(Y page 59).
Activating/deactivating Blind Spot Assist
X Press 00E2on the steering wheel to open the
menu list.
X Press 0064or0063 on the steering wheel to
select the Settings
Settings menu.
X Confirm by pressing 0076on the steering
wheel.
X Press 0064or0063 to select the DriveAs‐
DriveAs‐
sist
sist submenu.
X Press 0076to confirm.
X Press 0064or0063 to select Blind Spot
Blind Spot
Assist
Assist .
X Press 0076to confirm.
The current selection appears.
X To activate/deactivate: press the0076but-
ton again.
When Blind Spot Assist is activated, gray
radar waves propagating backwards appear
next to the vehicle in the Assistance
Assistance
Graphic Graphic menu in the multifunction display.
For further information about Blind Spot Assist,
see (Y page 155).
Setting ATTENTION ASSIST X Press 00E2on the steering wheel to open the
menu list.
X Press 0064or0063 on the steering wheel to
select the Settings
Settings menu.
X Confirm by pressing 0076on the steering
wheel.
X Press 0064or0063 to select the DriveAs‐
DriveAs‐
sist
sist submenu.
X Press 0076to confirm.
X Select Attention Assist
Attention Assist with0064 or
0063.
X Press 0076to confirm. 168
Menus and submenusOn-board computer and displays

The selected unit of measurement for distance
applies to:
R Digital speedometer in the Trip
Trip menu
R Odometer and the trip odometer
R Trip computer
R Range
R Navigation instructions in the Navi
Navi menu
R Cruise control
R Active Distance Assist DISTRONIC
R ASSYST PLUS service interval display
Switching the additional speedometer
on/off
If the additional speedometer is switched on,
the speed is shown in the status bar in the mul- tifunction display instead of the outside tem-
perature.
The additional speedometer displays the speed
in the respective unit that is not shown in the
multifunction display.
X Press 00E2on the steering wheel to open the
main menu.
X Press 0064or0063 on the steering wheel to
select the Settings Settings menu.
X Confirm by pressing 0076on the steering
wheel.
X Press 0064or0063 to select the Instru‐
Instru‐
ment Cluster
ment Cluster submenu.
X Press 0076to confirm.
X Press 0064or0063 to select the Addi‐
Addi‐
tional Speedometer [km/h]
tional Speedometer [km/h] function.
The current selection appears.
X To switch on/off: press0076again.
Restoring the factory settings X
Press 00E2on the steering wheel to open the
menu list.
X Press 0064or0063 on the steering wheel to
select the Settings
Settings menu.
X Confirm by pressing 0076on the steering
wheel.
X Press 0064or0063 to select the Factory
Factory
Settings
Settings submenu.
X Press 0076to confirm.
The Reset All Settings?
Reset All Settings? function
appears. X
Press 0064or0063 to select No
No orYes
Yes.
X Press 0076to confirm the selection.
If you have selected Yes
Yes, the multifunction
display shows a confirmation message.
For safety reasons, the Daytime Running
Daytime Running
Lights
Lights function in the Lights
Lightssubmenu is only
reset when the vehicle is stationary. AMG menu
Warm-up 0043
Digital speedometer
0044 Gear indicator
0087 Charge-air pressure
0085 Engine oil temperature
0083 Transmission oil temperature
X Use 00E2 on the steering wheel to call up the
list of menus.
X Press the 0064or0063 button on the steering
wheel to select the AMG AMGmenu.
X Confirm by pressing 0076on the steering
wheel.
Engine and transmission oil tempera-
tures: when the engine and transmission are
at normal operating temperature, oil temper-
atures 0085and 0083are displayed in white in the
multifunction display.
If the multifunction display shows oil temper- ature 0085or0083 in blue, the engine or the
transmission are not yet at normal operating
temperature. Avoid driving at full engine out-
put during this time. 170
Menus and submenusOn-board computer and displays

RACE TIMER
Displaying and starting RACETIMER
0043
Lap
0044 RACETIMER
The RACETIMER is only intended for use on a
closed race circuit. Do not use the function on
public roads.
You can start the RACETIMER when the engine is running or if the key is in position 0048in the igni-
tion lock.
X Use 00E2 on the steering wheel to call up the
list of menus.
X Press the 0064or0063 button on the steering
wheel to select the AMG
AMG menu.
X Confirm by pressing 0076on the steering
wheel.
X Press the 0064or0063 button repeatedly
until the RACETIMER is shown.
X To start: press the 0076button to start the
RACETIMER.
Starting a new lap 0043
Lap
0044 RACETIMER
0087 Quickest lap time X
Press the 0064or0063 button to select New New
Lap Lap.
X Press 0076to confirm.
A maximum of 32 laps may be stored.
Stopping the RACETIMER X
Press the 0064or0063 button to select Stop
Stop.
X Press 0076to confirm.
If you stop the vehicle and select key position
0047, the RACETIMER interrupts timing. If you
select key position 0049with the Start/Stop but-
ton and then press 0076Start
Start to confirm, tim-
ing is continued.
Continuing the RACETIMER X
Press the 0064or0063 button to select Con‐ Con‐
tinue
tinue.
X Press 0076to confirm. 172
Menus and submenusOn-board computer and displays

Display messages
Possible causes/consequences and
0050
0050Solutions 007A
0025
00E5 Inoperative See
Inoperative See
Operator's Manual Operator's Manual EBD (electronic brake force distribution), ABS and ESP
®
are malfunc-
tioning.
Other driving systems and driving safety systems may also malfunc-
tion.
In addition, the 00E5and0025 warning lamps light up in the instru-
ment cluster and a warning tone sounds.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The front and rear wheels could therefore lock
if you brake hard, for example.
The steerability and braking characteristics may be severely affected. The braking distance in an emergency braking situation can increase.
If ESP ®
is not operational, ESP ®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. 004D
Brake Immediately Brake Immediately A malfunction has occurred while the HOLD function or Active Dis-
tance Assist DISTRONIC was activated.
A tone may also sound at regular intervals. If you attempt to lock the
vehicle, the tone becomes louder.
You cannot start the engine.
X Paying attention to the traffic situation, immediately depress the
brake pedal firmly and hold until the display message disappears.
X Secure the vehicle against rolling away (Y page 127).0049
(USA
only) 0024 (Canada
only)
Turn On the Igni‐ Turn On the Igni‐
tion tion to
toRelease
Release the
the
Parking Brake
Parking Brake The red
0049(USA only) or 0024(Canada only) indicator lamp lights
up.
You attempted to release the electric parking brake while the ignition
was switched off.
X Switch on the ignition. 0049
(USA
only) 0024 (Canada
only)
Please Please Release
Release Park‐
Park‐
ing Brake
ing Brake The red
0049(USA only) or 0024(Canada only) indicator lamp flashes
and a warning tone sounds. A condition for automatic release of the
electric parking brake is not fulfilled (Y page 130).
You are driving with the electric parking brake applied.
X Release the electric parking brake manually. The red
0049(USA only) or 0024(Canada only) indicator lamp flashes
and a warning tone sounds.
You are using the electric parking brake for emergency braking
(Y page 129). Display
messages
177On-board computer and displays Z

Display messages
Possible causes/consequences and
0050
0050Solutions The yellow
0024warning lamp lights up. The red 0049(USA only)
or 0024 (Canada only) indicator lamp flashes for about ten seconds
after the electric parking brake has been applied or released. It then
goes out or remains lit.
The electric parking brake is malfunctioning.
X Switch off the ignition and turn it back on.
X Apply the electric parking brake.
If it is not possible to apply the electric parking brake:
X Shift the transmission to position 005D.
X Visit a qualified specialist workshop.
If it is not possible to release the electric parking brake manually:
X Release the electric parking brake automatically (Y page 130).
If the electric parking brake still cannot be released:
X Consult a qualified specialist workshop. The yellow
0024warning lamp lights up. If you manually apply or
release the electric parking brake, the red 0049(USA only) or 0024
(Canada only) indicator lamp flashes.
The electric parking brake is malfunctioning. It is not possible to apply
the electric parking brake manually.
X Shift the transmission to position 005Das the electric parking brake is
not applied automatically.
X Visit a qualified specialist workshop.
If it is not possible to release the electric parking brake manually: X Release the electric parking brake automatically (Y page 130).0049
(USA
only) 0024 (Canada
only)
Parking Brake Inop‐ Parking Brake Inop‐
erative erative The yellow
0024warning lamp lights up. The red 0049(USA only)
or 0024 (Canada only) indicator lamp flashes for about ten seconds
after the electric parking brake has been applied or released. It then
goes out or remains lit.
The electric parking brake is malfunctioning, e.g. because of over-
voltage or undervoltage.
X Remove the cause for the overvoltage or undervoltage, e.g. by
charging the battery or restarting the engine.
X Apply or release the electric parking brake.
If it remains impossible to apply or release the electric parking brake:
X Switch off the ignition and turn it back on.
X Apply or release the electric parking brake.
If the electric parking brake still cannot be released: X Consult a qualified specialist workshop.
If the electric parking brake still cannot be applied:
X Visit a qualified specialist workshop. Display
messages
179On-board computer and displays Z

Display messages
Possible causes/consequences and
0050
0050Solutions The yellow
0024warning lamp lights up and the red 0049(USA only)
or 0024 (Canada only) indicator lamp flashes.
It is not possible to apply the electric parking brake manually.
X Shift the transmission to position 005D.
X Visit a qualified specialist workshop. 0027
(USA only)
004D (Canada only)
Check Brake Fluid
Check Brake Fluid
Level
Level There is not enough brake fluid in the brake fluid reservoir.
In addition, the
0027(USA only) or 004D(Canada only) warning lamp
lights up in the instrument cluster and a warning tone sounds.
G WARNING
The braking effect may be impaired.
There is a risk of an accident.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X Secure the vehicle against rolling away (Y page 127).
X Consult a qualified specialist workshop.
X Do not add brake fluid. This does not correct the malfunction. 0026
Check Check
Brake
Brake Pad
PadWear
Wear The brake pads/linings have reached their wear limit.
USA only: the red
0027brake system warning lamp also lights up while
the engine is running.
X Visit a qualified specialist workshop. 0053
Inoperative Inoperative One or more main features of the mbrace system are malfunctioning.
X Have the mbrace system checked immediately at a qualified spe-
cialist workshop. Mercedes Mercedes
me
me connect
connect
Services Limited
Services Limited
See Operator's Man‐ See Operator's Man‐
ual ual Service limited.
Malfunction of one or more main functions of the Mercedes me con-
nect system.
X Observe the notes on diagnostics connection (Y page 27).
X Visit a qualified specialist workshop. 180
Display
messagesOn-board computer and displays

Display messages
Possible causes/consequences and
0050
0050Solutions Active
Active
Brake
BrakeAssist
Assist
Functions
Functions Currently
Currently
Limited See Opera‐
Limited See Opera‐
tor's Manual tor's Manual Active Brake Assist is temporarily inoperative.
Possible causes are:
R the radar sensor system is temporarily inoperative, e.g. due to elec-
tromagnetic radiation emitted by nearby TV or radio stations or
other sources of electromagnetic radiation
R the system is outside the operating temperature range
R the on-board voltage is too low
When the causes stated above no longer apply, the display message
disappears.
Active Brake Assist is operational again.
If the display message does not disappear:
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 127).
X Restart the engine. Active Active
Brake
BrakeAssist
Assist
Functions Limited
Functions Limited
See Operator's Man‐ See Operator's Man‐
ual ual Active Brake Assist is unavailable due to a malfunction. The situation-
dependent brake boosting effect may also have failed.
X Visit a qualified specialist workshop immediately. PRE-SAFE Inopera‐
PRE-SAFE Inopera‐
tive tive
See
SeeOperator's
Operator's
Manual
Manual Important functions of PRE-SAFE
®
have failed. All other occupant
safety systems, e.g. air bags, remain available.
X Visit a qualified specialist workshop immediately. Display
messages
181On-board computer and displays Z