MERCEDES-BENZ AMG GT ROADSTER 2018 Owners Manual

R
IfAc tive Dis tance Assi stDISTRONIC no
longer de tects a vehicle in front or does
not react toreleva nt objects. #
Alw ays carefully obser vethe traf fic con‐
ditions and be ready tobrake at all
times. #
Take into account the tra ffic situation
before calling up thestored speed. &
WARNING Risk of accident due toinsuf‐
fi cient decele ration byActive Dis tance
Assi stDISTRONIC
Ac tive Dis tance Assi stDISTRONIC brakes
yo ur vehicle with up to50 % of the maximum
possible deceleration. If this decele ration is
not su fficient, Active Dis tance Assi st
DISTRONIC alerts you with a visual and
acoustic warning. #
Inthese cases, adjust your speed and
ke ep a suf ficient di stance. #
Brake theve hicle yourself and/or take
ev asive action. &
WARNING Risk of accident if de tection
function of Active Dis tance Assi st
DISTRONIC is impaired
Ac tive Dis tance Assi stDISTRONIC does not
re act or has a limited reaction:
R when driving on a dif fere nt lane or when
ch anging lanes
R topedestrians, animals, bicycles or sta‐
tionary vehicles, or unexpected obs tacles
R tocompl extraf fic conditions
R tooncoming vehicles and crossing traf fic
As a result, Active Dis tance Assi st
DISTRONIC may nei ther give warnings nor
inter vene in su chsituations. #
Alw ays obser vethe tra ffic conditions
carefully and react accordin gly. Operating
Active Di stance Assist DIST RONIC
Re quirements:
R The vehicle has been star ted.
R The elect ric pa rking brake is released. R
ESP ®
is activated and is not inter vening.
R The transmission is in position h.
R All doors and the bonn etare closed.
R Check of thera dar sensor sy stem has been
successfully comple ted.
R Parking Assist PARKTRONIC is not being
used topark theve hicle or toexit from a
parking space.
R The vehicle does not skid. 14 8
Driving and pa rking

Switching between
Active Di stance Assist
DISTRO NIC and the limiter #
Press button 1.
Ac tivating the variable limi ter or Active Dis‐
tance Assi stDISTRONIC #
Toactivate with out astored speed: press
rock er switch 3up (SET+) or down (SET-),
or press rocker switch 4up. Remo veyour fo
ot from the accelerator pedal (Active Dis‐
ta nce Assi stDISTRONIC).
The cur rent driven speed is stored and main‐
ta ined (Active Dis tance Assi stDISTRONIC) or
limited (variable limiter) bytheve hicle.
or #
Toactivate with ast ored speed: press
rock er switch 4up. Remo veyour foot from
th e accelerator pedal (Active Dis tance Assi st
DISTRONIC).
% Ifrock er switch 4is pressed up again af ter
activation with a stored speed, Active Dis‐
ta nce Assi stDISTRONIC or theva riable lim‐
iter is activated with the speed restriction
displ ayed in the instrument clus ter.
Ac cepting the displa yed speed restriction
when Distance Assist DISTRONIC or the lim‐
iter is activated #
Press rocker switch 4up (RES).
The speed limit displa yed in the instrument
clus ter is adopte d asthestored speed. The
ve hicle adapts its speed tothat of theve hicle
in front, but only up tothestored speed. Pulling
away with Active Di stance Assist
DISTRO NIC #
Remo veyour foot from the brake pedal and
activate Active Dis tance Assi stDISTRONIC. #
Press rocker switch 4(RES) up.
or #
Depress the accelerator pedal briefly and
fi rm ly.
The functions of Active Dis tance Assi st
DISTRONIC continue tobe car ried out.
Deactivating Active Di stance Assist
DISTRO NIC &
WARNING Risk of accident due toActive
Dis tance Assi stDISTRONIC still being
activated when you lea vethe driver's
seat
If yo u lea vethe driver's seat while theve hicle
is being braked byActive Dis tance Assi st
DISTRONIC only, theve hicle can rollaw ay. #
Alw ays deactivate Active Dis tance
Assi stDISTRONIC and secure theve hi‐ Driving and parking
14 9

cle
topreve nt it from rolling away
before you lea vethe driver's seat. #
Press rocker switch 4down (CNCL).
% Ifyo u brake, deactivate ESP ®
or if ESP ®
inter venes, Active Dis tance Assi st
DISTRONIC is deacti vated.
Increasing or reducing the speed #
Press rocker switch 3up (SET+) or down
(SET-) tothe pressure point.
The stored speed is increased or reduced by
1 km/h.
or #
Press and hold rocker switch 3up/down to
th e pressure point.
The stored speed is increased or reduced in
increments of 1 km/h.
or #
Press rocker switch 3beyond the pressure
point.
The stored speed is increased or reduced by
10 km/h.
or #
Press and hold rocker switch 3beyond the
pressure point.
The stored speed is increased or reduced in
increments of 10km/h.
Re ducing or inc reasing the specified dis‐
tance from theve hicle in front #
Toincrease the specified distance: press
rock er switch 2down. #
Toreduce the speci fied distance: press
rock er switch 2up. Overview of
Active Di stance Assist
DISTRO NIC displa ysinthe instrument clus‐
ter Assistance
graphic 1
Vehicle in front
2 Distance indica tor
3 Set specified di stance 15 0
Driving and pa rking

Ac
tive Di stance Assist DISTRO NICstatus dis‐
play
1 Active Dis tance Assi stDISTRONIC selected,
set speci fied dis tance (number of segments
below theve hicle)
2 Active Dis tance Assi stDISTRONIC deacti va‐
te d, speed stored
3 Active Dis tance Assi stDISTRONIC acti ve,
speed stored, no vehicle de tected (gr eyvehi‐
cle symbol)
4 Active Dis tance Assi stDISTRONIC acti ve,
speed stored, vehicle de tected (green vehi‐
cle symbol)
Speedome ter
The stored speed is highlighted on the speedom‐
et er. If the speed of theve hicle in front is less
th an thestored speed, the segments in the
speedome ter light up. Deactivation of Active Dis‐
ta nce Assi stDISTRONIC, as well as alterations to
th estored speed and the dis tance tobe main‐
ta ined, are displa yed in the control feedback of
th e multifunction display on a single line. Fu
nction of Hill Start Assist Hill
Start Assist holds theve hicle for a short
time when pulling away on a hill under thefo l‐
lowing conditions:
R The transmission is in position hork.
R The elect ric pa rking brake is released.
This gives you enough time tomo veyour foot
from the brake pedal tothe accelera tor pedal
and depress it before theve hicle begins toroll
aw ay. &
WARNING Risk of accident and inju ry
due totheve hicle rolling away
Af ter a short time, Hill Start Assist no lon ger
holds theve hicle and it can rollaw ay. #
Therefore, swiftly mo veyour foot from
th e brake pedal tothe accelerator
pedal. Ne ver attem pttolea vetheve hi‐
cle if it is being held byHill Start Assist. HOLD function
HOLD function
The HOLD function holds
theve hicle at a stand‐
st ill without requ iring youto depress the brake
pedal, e.g. while waiting in traf fic.
The HOLD function is only an aid. The responsi‐
bility forth eve hicle safely standing still remains
with the driver.
Sy stem limitations
The HOLD function is only intended toprov ide
assis tance when driving and is not a su fficient
means of safeguarding theve hicle against rolling
aw ay when stationar y.
R The incline must not be greater than 30%. Driving and parking
151

Ac
tivating/deactivating the HOLD function &
WARNING Risk of an accident due tothe
HOLD function being activated when you
lea vetheve hicle
If yo u lea vetheve hicle while only the HOLD
function is braking theve hicle, theve hicle
can rollaw ay inthefo llowing situations:
R Ifth ere is a malfunction in the sy stem or
in the po wer supp ly.
R Ifth e HOLD function is deactivated by
depressing the accelera tor pedal or brake
pedal, e.g. byave hicle occupant. #
Alw ays deactivate the HOLD function
and secure theve hicle against rolling
aw ay before leaving theve hicle. *
NO
TEDama gefrom auto matic braking If one of
thefo llowing functions is switched
on, theve hicle brakes automatically in cer‐
ta in situations:
R Active Brake Assi st
R Active Dis tance Assi stDISTRONIC
R HOLD function
R Active Parking Assist
To avo id damage totheve hicle, deactivate
th ese sy stems in thefo llowing or similar sit‐
uations: #
During towing #
In a car wash Re
quirements:
R The vehicle is stationar y.
R The driver's door is closed or the seat belt on
th e driver's side is fastened.
R The engine is running or has been au tomati‐
cally switched off bythe ECO start/ stop
function. R
The electric parking brake is released.
R Active Dis tance Assi stDISTRONIC is deacti‐
va ted.
R The transmission is in position h,kori.
Ac tivating the HOLD function #
Dep ress the brake pedal and af ter a short
time quickly depress fur ther until theë
display appears in the multifunction displa y. #
Release the brake pedal.
Deactivating the HOLD function #
Depress the accelerator pedal topull away.
or #
Depress the brake pedal until theë dis‐
play disappears from the multifunction dis‐
pla y.
The HOLD function is deactivated in thefo llow‐
ing situations:
R Active Dis tance Assi stDISTRONIC is acti va‐
te d.
R The transmission is switched toposition j. 15 2
Driving and pa rking

R
The vehicle is secured with the electric park‐
ing brake.
In thefo llowing situations, theve hicle is held by
th e transmission position jorby the electric
parking brake:
R The seat belt is unfas tened and the driver's
door is opened.
R The drive sy stem is switched off.
R There is a malfunction in the sy stem or the
po we r supply is insuf ficient. RACE
START Fu
nction of RACE START
RACE START enables optimal vehicle accelera‐
tion from a standstill. Forth is, a suitably high-
grip road sur face is requ ired, the tyres and vehi‐
cle must also be in good condition.
% RACE START is only available af terth eve hi‐
cle has been run in (/ page 114).
% RACE START may not be used on normal
ro ads. RACE START mu stonly be activated and used on dedicated
race circuits, not on
public roads.
Be sure toread the saf ety no tes and infor‐
mation on ESP ®
(/ page 137). &
WARNING Risk of skidding and having
an accident from wheels spinning
When you use RACE STAR T,individual wheels
could spin and you could lose cont rol of the
ve hicle.
Depending on the ESP ®
mode selected, there
is an increased risk of skidding and having an
accident. #
Make sure that no persons or obstacles
are in the close vicinity of your vehicle. Ac
tivating RACE START
Re quirements:
R the doors, the bonn etand theta ilgate are
closed.
R the engine is running and the transmission
and engine are at normal operating temp era‐
ture. R
thesteering wheel is in thest ra ight-ahead
position.
R theve hicle is on le vel ground.
R theve hicle is stationar y,the brake pedal is
depressed (left foot ) and the parking brake is
re leased.
R the transmission is in position h.
R one of the drive prog rams C, Bor
I is selected (/ page119). #
Rapidly depress the accelerator pedal full y.
The engine speed increases.
% Ifth e activation conditions are not fulfilled,
RACE START cannot be acti vated. The RACE
START not possible See Owner's Manual
message appears in the multifunction dis‐
pla y. #
The RACE START Release brake to start mes‐
sage appears in the multifunction displa y. Driving and pa
rking 15 3

%
Inthis phase you can adjust RACE START
depending on thero ad conditions: you can
va ry the engine speed bypulling on one of
th esteering wheel gearshift paddles. The
segments in the multifunction display flic ker
ra pidly.
% Ifth e brake pedal is not released af ter a
short while, RACE START is cancelled. The
RACE START cancelled messageappears in
th e multifunction displa y.#
Take your foot off the brake, but keep the
accelerator pedal depressed.
The vehicle pulls away at maximum accelera‐
tion. The RACE START active message
appears in the multifunction displa y.
RACE START is deacti vated when theve hicle rea‐
ch es a speed of appr oximately 50 km/h.
RACE START is deacti vated immediately if you
re lease the accelerator pedal during RACE
ST ART or if any of the activation conditions are
no longer fulfilled. The RACE START cancelled
message appears in the multifunction displa y.%
After using it se veral times in short succes‐
sion, RACE START is una vailable until a cer‐
ta in dis tance has been driven. Fu
nction of the AMG DRIVE UNIT The AMG Drive
Unit consists of two additional
control elements on thesteering wheel.
Using the display buttons 2,you can decide
which two functions youwo uld like tooperate
with the left-hand AMG DRIVE UNIT control ele‐
ment. You can change between theav ailable
functions bypressing there spective display but‐
to n. Yo
u can select between thefo llowing functions:
R ESP ®
(/ page 137)
R AMG RIDE CONTROL (/ page156)
R AMG Performance exhaust sy stem
(/ page 119)
R ECO start/ stop function (/ page118)
R manual gearshifting (/ page124)
R rear wing (/ page155)
R fron t and reve rsing camera (/ page159)
The selected functions are displa yed in the dis‐
play buttons 2.
By pressing button 1,you can operate the
selected functions.
The selected functions remain stored even af ter
a new engine start but are reset totheir basic
setting.
Yo u can change between the drive programs
with thero tary adjus ter3. The selected drive
program appears in the display button 4. By
pressing the display button 4,you can direct ly
access the drive program =(Individual)
(/ page 119). 15 4
Driving and pa rking

Re
ar wing Fu
nction of there ar wing
The rear wing impr ovesth eve hicle's driving sta‐
bility and automatically retracts and extends dur‐
ing driving. Depending on theve hicle speed, it
adopts dif fere nt positions and thus adapts the
ve hicle's aerodynamics tothe driving conditions.
If yo u drive at a speed greater than 80 km/h,
th ere ar wing will automatically extend.
If yo u drive at a speed lo werth an 80 km/h, the
re ar wing will automatically retract.
Yo u can retract and extend there ar wing man‐
ually for cleaning (/ page155).
Ex tending/r etra cting there ar wing for clean‐
ing &
WARNING Risk of becoming trapped
when extending and retracting there ar
wing manually
When youex tend or retract there ar wing
manuall y,body parts may become trapped. #
Ensure that there are no people in the
sweep of there ar wing when extending
or retracting there ar wing. #
If someone becomes trapped during
retraction of there ar wing, press the
display button again immediately.
The rear wing will then extend again. *
NO
TEDama getothere ar wing when
wa shing theve hicle in a car wash If
th ere ar wing is extended, it may be dam‐
aged when theve hicle is washed in a car
wa sh. #
Only extend there ar wing if washing the
car byhand. #
Before entering a car wash, ensure that
th ere ar wing is retracted. Re
quirements:
R The ignition is switched on.
R The tailgate is closed. #
Toextend/r etra ct: press displ aybutton 1.
The rear wing extends or retracts compl etely.
Display button symbol 2and its colour indi‐
cate thefo llowing positions of there ar wing:
R Rear wing retracted (blue)
R Rear wing extended in di fferent positions
(red)
R Rear wing extending or retracting (yellow) Driving and pa
rking 15 5

If
yo u press displ aybutton 1again during
re traction, there ar wing will extend again.
The di fferent positions of there ar wing are also
shown on the instrument clus ter. AMG RIDE CONTROL
Fu
nction of AMG RIDE CONTROL
AMG RIDE CONTROL is an electronically control‐
led damping sy stem for impr oved driving com‐
fo rt and inc reased driving saf ety.
The damping is adjus ted individually toeach
wheel and depends on thefo llowing factors:
R the driving style, e.g. sporty
R thero ad condition, e.g. bumps
R the individual selection of Sport, Sport+ or
Comfort
% The mode can also be set using the
DY NA MIC SELECT switch. Todo this, the
same suspension tuning must be selected
fo r AMG RIDE CONTROL and theDY NA MIC
SELECT switch. %
When theve hicle is star ted again, the "Com‐
fo rt" setting is activated automaticall y.
AMG RIDE CONTROL, selecting the suspen‐
sion tuning
Yo u can select from thre e dif fere nt suspension
tunings:
R COMFORT ensures a comfor table suspen‐
sion tuning. Select this suspension tuning if
yo u prefer a comfor table driving style.
R SPORT ensures a firm er suspension tuning.
Select this suspension tuning when employ‐
ing a sporty driving style, e.g. on winding
count ryroads.
R SPORT PLUS ensures avery firm suspension
tuning. #
Press display button 1.
The display button sho wscurrently selected
suspension setting 2:
R à C(blue): COMFORT
R à S(yellow): SPORT
R à S+(red): SPORT PLUS 15 6
Driving and pa rking

The selected suspension setting is shown in
th e multifunction display as a message:
R AMG Ride Control COMFORT
R AMG Ride Control SPORT
R AMG Ride Control SPORT + Pa
rking Assist PARKTRONIC Fu
nction of Parking Assist PARKTRONIC Pa
rking Assist PARKTRONIC is an electronic
parking assi stance sy stem with ultrasound. It
monitors the area around your vehicle using six
sensors 1inthe front bumper and four sensors
in there ar bumper. Parking Assist PARKTRONIC sho
wsyouth e dis tance between your vehicle
and a de tected obs tacle visually and audibly.
Pa rking Assist PARKTRONIC is on lyan aid. It is
not a substitute foryo ur attention tothe sur‐
ro undings. The responsibility for safe manoeu‐
vring and parking remains with you. Make sure
th at there are no persons, animals or objects in
th e manoeuvring area while manoeuvring and
parking in/exiting parking spaces. Pa
rking Assist PARKTRONIC display (vehicles with‐
out front and reve rsing camera)
The warning displa ysofParking Assist
PA RKTRONIC show the dis tance between the
sensors and the obs tacle. Pa
rking Assist PARKTRONIC display (vehicles with
front and reve rsing camera)
The warning display of Parking Assist
PA RKTRONIC appears toge ther with the cor re‐
sponding camera image in the multimedia sys‐
te m displa y.The coloured segments show the
dis tance between the sensors and the obs tacle.
1 Yellow warning displa y:obs tacles at a dis‐
ta nce between appr ox. 0.6 m and 1.0 m
2 Orange warning displa y:obs tacles at a
medium di stance between appr ox. 0.3 m
and 0.6 m Driving and pa
rking 157