2018 MERCEDES-BENZ AMG GT ROADSTER engine

g
Removing thekey
1 Switching on the po wer supp ly
2 Switching on the ignition
3 Starting the engine #
shift the transmission toposition jori. #
Depress the brake pedal. #
Insert theke y in tothe ignition lock and turn
to key position 3. #
Ifth eve hicle does not star t:
R switch off consumers that are not
requ ired.
R remo vetheke y from the ignition loc k.
R inse rttheke y in tothe ignition again af ter
a short waiting period.
R turn theke yto key position 2.the indi‐
cator lamps in the instrument clus ter light
up.
R turn theke yto key position 3.
% You can also swit chon the po wer supp lyor
th e ignition with thekey. Additionall y,turn
th eke yto key position 1or2 . Ru
nning-in no tes To
preser vethe engine during thefirs t1, 500 km:
R drive at varying road speeds and engine
speeds.
R do not drive fasterthan 140 km/h. R
allow the engine toreach a maximum engine
speed of 4,500 rpm on ly brie fly.
R drive theve hicle in drive program A.
R change gear before there v counter needle is
Ô ofthewa yto there d area of there v coun‐
te r.
R do not shift down a gear manually in order to
brake.
R avoidove rstraining theve hicle, e.g. driving at
full thro ttle.
R do not depress the accelera tor pedal past
th e pressure point (kickdown).
R only increase the engine speed gradually and
accelera tetheve hicle tofull speed af ter
1, 500 km.
This also applies when the engine or parts of the
driv etra in ha vebeen replaced.
Please also obser vethefo llowing running-in
no tes:
R in cer tain driving and driving saf ety sy stems,
th e sensors adjust automatically while a cer‐
ta in dis tance is being driven af terth eve hicle
has been delivered or af terre pairs. Full sys‐ 11 4
Driving and pa rking

te
m ef fectiveness is not reached until the
end of this teach-in process.
R brakepads, brake discs and tyres that are
either new or ha vebeen replaced only ach‐
ie ve optimum braking ef fect and grip af ter
se veral hundred kilom etre s of driving. Com‐
pensate forth ere duced braking ef fect by
applying greater forc eto the brake pedal. Note
s on driving &
WARNING Risk of accident due to
objects in the driver's foot we ll
Objects in the driver's foot we ll may impede
pedal tra vel or block a depressed pedal.
This jeopardises the operating and road
saf ety of theve hicle. #
Stow all objects in theve hicle securely
so that they cannot getinto the driver's
fo ot we ll. #
Alw aysfit th efloor mats securely and
as prescribed in order toensure that th
ere is alw ays suf ficient room forthe
pedals. #
Do not use loose floor mats and do not
place floor mats on top of one ano ther. &
WARNING Risk of accident due to
unsuitable foot we ar
Operating the pedals may be impaired by
we aring unsuitable foot we ar, e.g.:
R plat form shoes
R high-heeled shoes
R slippers #
Alw ayswe ar suitable foot we ar when
driving so that you can operate the ped‐
als safel y. &
WARNING Risk of accident when switch‐
ing off the ignition when driving
If yo u swit choff the ignition while driving,
saf ety functions are restricted or no longer
av ailable. This may af fect the po werst eering sy
stem and the brake forc e boosting, for
ex ample.
Yo u will then need touse considerably more
fo rc eto steer and brake. #
Do not switch off the ignition while driv‐
ing. &
DANG ER Risk of fata l injuries due to
ex haust gases
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Inhaling
th ese exhaust gases is hazardous tohealth
and can lead topoisoning. #
Never lea vethe engine running in an
enclosed space wi thout suf ficient venti‐
lation. &
WARNING Risk of skidding and of an
accident due toshifting down on slippery
ro ad sur faces
If yo u shift down on slippery road sur faces to
inc rease the engine braking ef fect, the drive
wheels may lose traction. Driving and parking
11 5

#
Do not shi ftdown on slippery road sur‐
fa ces toinc rease the engine braking
ef fect. &
DANG ER Risk of fata l injuries due topoi‐
sonous exhaust gases
If th eta ilpipe is bloc ked or suf ficient ventila‐
tion is not possible, poisonous exhaust gases
such as carbon monoxide may enter theve hi‐
cle. This is the case, forex ample, if theve hi‐
cle is stuck in sn ow. #
When the engine or thest ationary
heater are running, keep theta ilpipe
and the area around theve hicle clear of
sno w. #
Open a window on the side of theve hi‐
cle facing the wind toensure an ade‐
qu ate supply of fresh air. &
WARNING Risk of accident due tothe
brake sy stem overheating
If yo u lea veyour foot on the brake pedal
when driving, the brake sy stem may over‐
heat.
This increases the braking dis tance and the
brake sy stem may evenfa il. #
Never use the brake pedal as a foot re st. #
Do not depress the brake pedal and the
accelerator pedal at the same time
while driving. *
NO
TECausing wearto the brake linings
by permanently depressing the brake
pedal #
Do not permanently depress the brake
pedal while driving. #
Touse braking ef fect of the engine,
shift toa lo werge ar in good time. *
NO
TEDama getothe driv etra in and
engine when pulling away #
Do not warm upthe engine while the
ve hicle is stationar y.Pull away immedi‐
atel y. #
Avoid high engine speeds and driving at
full thro ttle until the engine has reached
its operating temp erature. *
NO
TEDama getothe catalytic con verter
due tonon-combu sted fuel The engine is not
running smo othly and is
misfiring.
Non-combus ted fuel may get into the cata‐
lytic con verter. #
Only depress the accelera tor pedal
slightl y. #
Have the cause rectified immediately at
a qu alified specialist workshop. 11 6
Driving and pa rking

&
WARNING Risk of accident due toincor‐
re ct gearshifting
If th e engine speed is higher than the idle
speed and you en gage the transmission posi‐
tion hork, theve hicle may accelerate
sharply. #
Ifyo u en gage the transmission position
h ork always depress the brake
pedal firm lyand do not accelerate at
th e same time. Limited braking ef
fect on salt-trea tedro ads:
R due tosalt build-up on the brake disks and
brakepads, the braking dis tance can increase
conside rably or result in braking only on one
side
R maintain a much greater safe dis tance tothe
ve hicle in front
To remo vethe la yer of salt:
R brake occasionally while paying attention to
th e tra ffic conditions R
carefully depress the brake pedal at the end
of the journey and when starting the next
journey Fu
nction of rear axle steering Depending on
the speed, rear axle steering
adapts the tra ckofthere ar axle tothe position
of the front wheels. Toge ther with thesteering
input of the front wheels, this results in greater
mobility and impr ovedstabilit y.
Re ar axle steering has thefo llowing characteris‐
tics:
R reduced steering ef fort and turning circle
re sulting in reduced parking ef fort
R impr oved driving stabilit y,e.g. on cur ves
R more direct steering resulting in impr oved
control of theve hicle Tips
for the AMG ce ramic high-pe rformance
composite brake sy stem The brake sy
stem is designed for heavy loads.
This may lead tonoise when braking. This ef fect
can also occur af terwa shing theve hicle.
The noise depends on thefo llowing factors:
R speed
R brake force
R environmen tal conditions, e.g. temp erature
and air humidity
% Have the brake sy stem checked at a quali‐
fi ed specialist workshop af ter it has been
subjected toextreme loads. Driving and pa
rking 117

Depending on
the drive prog ram selected, the
fo llowing vehicle characteristics will change:
R drive
- engine and transmission management
- Active Dis tance Assi stDISTRONIC
R AMG Dynamics
- thefo ur agility functions Basic, Advanced,
Pro and Ma ster are automatically selec‐
te d depending on the drive prog ram.
- thesteering, shift timing point and stabili‐
sation functions are adap tedto the selec‐
te d drive prog ram.
- when ESP ®
is activated, agility function
Pro is selected in drive program I
RACE. The Mas ter function is auto mati‐
cally selected when ESP ®
is deactivated.
R position of theex haust gasflaps
R Suspension
R steering
R availability of the ECO start/ stop function
R availability of Glide mode R
The I(R ACE)driving prog ram has thefo l‐
lowing properties:
- theve hicle exhibits driving characteristics
suited forra ce circuits.
- allvehicle sy stems are designed for maxi‐
mum sportiness.
- thech assis has a particular lytight sus‐
pension and da mping sy stem.
- Glide mode is not available.
- ECO start/ stop function is not available.
- the sporty sound characteristic of the
ex haust sy stem is activated.
% You can call up vehicle characteristics via
th ePe rformance menu in the on-board com‐
puter (/ page171).
Yo u can also change thefo llowing vehicle char‐
acteristics using the buttons in the cent recon‐
sole:
R position of theex haust gasflaps
R ECO start/ stop function
R Suspension
R Manual gearshifting Selecting
the drive prog ram #
Press DYNA MIC SELECT switch 1forw ards
or backwards.
The selec ted drive program appears in the
display 2and in the multifunction display in
th e instrument clus ter. 12 0
Driving and pa rking

Configuring drive prog
ram I Multimedia sy
stem:
4 Vehicle 5
e DYNAMIC SELECT
5 Individual #
Select the individual setting. Switching
the operation feedba ckfor drive
prog rammes on/o ff Multimedia sy
stem:
4 Vehicle 5
e DYNAMIC SELECT #
Switch User notification onO or off ª.
When this function is active, a cor responding
message is shown in the media display when
a drive prog ramme is selected with the
DY NA MIC SELECT switch. Displaying
vehicle data Multimedia sy
stem:
4 Vehicle 5
e DYNAMIC SELECT #
Select Vehicle data.
The vehicle data is displa yed. Displaying engine data
Multimedia sy
stem:
4 Vehicle 5
e DYNAMIC SELECT #
Select Engine data.
% The values for engine output and engine tor‐
qu e may deviate from the nominal values.
Items that can influence this are, forex am‐
ple:
R Sea le vel
R Fuel grade
R Outside temp erature Au
tomatic transmission E-SELECT selector le
ver Fu
nction of the E-SELECT selector le ver &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If ch ildren are left unat tended in theve hicle,
th ey could:
R open doo rs,th ereby endangering other
persons or road users.
R get out of theve hicle and be hit by
oncoming traf fic.
R ope rate ve hicle equipment and become
trapped, forex ample.
In addition, children could also set theve hi‐
cle in motion, forex ample, by:
R releasing the parking brake.
R shifting the automatic transmission out of
park position j.
R starting the engine. Driving and parking
121

#
Never lea vechildren and animals unat‐
te nded in theve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Keep theke y out of there ach of chil‐
dren. &
WARNING Risk of accident due toincor‐
re ct gearshifting
If th e engine speed is higher than the idle
speed and you en gage the transmission posi‐
tion hork, theve hicle may accelerate
sharply. #
Ifyo u en gage the transmission position
h ork always depress the brake
pedal firm lyand do not accelerate at
th e same time. Use
the E-SELECT selector le verto change the
transmission position. The cur rent transmission
position is displ ayed in the multifunction displa y. j
Park position
k Reversege ar
i Neut ral
h Drive position
En gaging reve rsege ar R #
Depress the brake pedal and push the E-
SELECT selector le ver upwards past thefirst
point of resis tance.
The transmission position displ aysho wsk
in the multifunction displa y. Engaging neut
ral N #
Depress the brake pedal and push the E-
SELECT selector le ver up or down tothefirst
point of resis tance.
The transmission position displ aysho wsi
in the multifunction displa y.
Subsequently releasing the brake pedal will
allow youto mo vetheve hicle freel y,e.g. topush
it or tow it away.
If yo uwa ntthe automatic transmission to
re main in neutral i
ieven if the ignition is
switched off: #
start theve hicle. #
depress the brake pedal and engage neutral
i. #
release the brake pedal. #
switch off the ignition.
% Ifyo uth en exitth eve hicle leaving theke y in
th eve hicle, the automatic transmission
re mains in neutral i.
Engaging park position P #
Obser vethe no tes on parking theve hicle . 12 2
Driving and pa rking

Manual
gearshifting #
Toactivate/deacti vate: press display but‐
to n1.
The displ aybutton displa ys the cur rently
selected gear setting 2:
R M(red): manual gearshifting
R D(blue): automatic transmission %
Topermanently shift thege ars manually in
drive prog ram = using thesteering wheel
ge arshift paddles, select theM (Manual) set‐
ting forth e transmission.
* NO
TEDama getothe engine due toshift‐
ing up too late The automatic transmission does not shift up
in manual mode even when the engine's lim‐
iting speed is reached.
The fuel supply is inter rupte d in order topre‐
ve nt the engine from overrev ving. #
Shift up before the engine speed rea‐
ch es there d area in there v counter. #
Toshift up: pullsteering wheel gearshift
paddle 2. #
Toshift down: pullsteering wheel gearshift
paddle 1. If
th e engine speed is too high or too lo w,you
cannot change gear using thesteering wheel
ge arshift paddles. In this case, segments 1
light up red. Gearshift
recommendation The
gearshift recommendation assists you in
adopting an economical driving style. 124
Driving and pa rking