torque MERCEDES-BENZ AMG GT ROADSTER 2020 Owners Manual

R
allow the engine toreach a maximum engine
speed of 4,500 rpm on lybrief ly.
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 avoidoverstra ining 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‐ 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 greaterfo rc eto the brake pedal. Note
s on engine output and engine torq ue %
The actual (maximum) values that can be
achie vedfo r engine output and engine tor‐
qu e may deviate from the certified values
within the count ry-specific guidelines for
permissible tolerances (basis: UN-ECE No.
85 or country -specific guidelines).
Fa ctors that can influence this are, forex am‐
ple:
R sea le vel
R fuel grade
R outside temp erature
R operating temp erature of the engine Unti
lth e engine has reached its operating tem‐
perature, thefo llowing engine operating temp er‐
ature warning lamp is lit: Engine output and engine
torque ha vebeen
re duced. Take this into account foryo ur driving
st yle.
When the engine operating temp erature warning
lamp goes out, full engine output and engine tor‐
qu e are available. 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 tr avel or block a depressed pedal.
This jeopardises the operating and road
saf ety of theve hicle. 108
Driving and pa rking

#
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. 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 or off Multimedia sy
stem:
4 Vehicle 5
e DYNAMIC SELECT #
Activate Oor deacti vate ª User notifica-
tion.
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 actual (maximum) values that can be
achie vedfo r engine output and engine tor‐
qu e may deviate from the certified values
within the count ry-specific guidelines for
permissible tolerances (basis: UN-ECE No.
85 or country -specific guidelines).
Fa ctors that can influence this are, forex am‐
ple:
R Sea le vel
R Fuel grade
R Outside temp erature R
Operating temp erature of the engine
% The values displa yed ser veonly as orienta‐
tion. The values for engine output and
engine torque sh own in the media display
may deviate from the actual values. Au
tomatic transmission E-SELECT selector le
ver Fu
nction of the E-SELECT selector le ver &
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 when theve hicle is at a
st andstill, alw ays depress the brake
pedal firm lyand do not accelerate at
th e same time. Driving and parking
11 9

R
Do not deacti vate ESP ®
under any circum‐
st ances.
R Onlydepress the accelera tor pedal as far as
is necessar y.
Cha racteristics of ESP ®
SPORT &
WARNING Risk of skidding if ESP ®
SPORT is used incor rectly
When you activate ESP ®
SPOR T,there is an
increased risk of skidding and having an acci‐
dent. #
Activate ESP ®
SPO RTonly in the cir‐
cums tances described belo w.When ESP
®
SPORT is activated, theå and
Æ warning lamps light up continuously in the
instrument clus ter.
Select ESP ®
SPORT when theve hicle's own
ove rste ering and under steering characteristics
are desired, e.g. on designated roads.
Driving with ESP ®
SPO RTor with ESP ®
deactiva‐
te dre qu ires an extreme ly qualified and experi‐
enced driver. If ESP
®
SPORT is activated and one or more
wheels start tospin, the÷ ESP®
wa rning
lamp on the instrument clus terflashes. ESP ®
th en only stabilises theve hicle toa limited
deg ree.
ESP ®
SPORT also has thefo llowing characteris‐
tics:
R ESP ®
on ly impr oves driving stability toa limi‐
te d deg ree.
R ETS/4ETS traction control is still active.
R The engine's torque is on lyrestricted to a
limited deg ree and the drive wheels can spin.
The spinning of the wheels results in a cut‐
ting action for better traction on loose sur fa‐
ces.
R ESP ®
continues toprov ide assis tance when
th e brakes are firm lyapplied. Cha
racteristics when ESP ®
is deactivated &
WARNING Risk of skidding if ESP ®
is
deactivated
If yo u deactivate ESP ®
, ESP ®
cannot car ry
out vehicle stabilisation. #
ESP ®
should on lybe deactivated in the
fo llowing situations. When ESP
®
is deactivated, theå and¤
wa rning lamps light up continuously in the
instrument clus ter.
Deactivating ESP ®
has thefo llowing ef fects:
R Driving stability will no lon ger be impr oved.
R The drive wheels could spin.
R ETS/4ETS traction control is still active.
% Even when ESP ®
is deactivated, you are still
assis tedby ESP ®
when braking ha rd.
It may be best toactivate ESP ®
SPO RTor deacti‐
va te ESP ®
in thefo llowing situations:
R When using snow chains. 134
Driving and pa rking

R
In deep sno w.
R On sand or gra vel.
% Spinning the wheels results in a cutting
action, which enhances traction.
% Activate ESP ®
as soon as the situations
described abo veno longer apply. ESP ®
will
ot herwise not be able tostabilise theve hicle
if th eve hicle starts toskid or a wheel starts
to spin.
If th e÷ ESP®
wa rning lamp lights up continu‐
ously even when ESP ®
is acti vated, ESP ®
is not
av ailable due toa malfunction.
Obse rve any information which may be displa yed
in the instrument clus ter:
R Indicator and warning lamps (/ page 330)
R Display messages
ETS/4ETS (Electronic Traction Sy stem)
ETS/4ETS traction control is pa rtof ESP ®
.
ETS/4ETS can impr ovetheve hicle's traction by
inter vening in thefo llowing ways:
R The drive wheels are braked individually if
they spin. R
More drive torque is transferred tothe wheel
or wheels with traction. Ac
tivating/deactivating ESP ®
(Electronic Sta‐
bility Prog ram) #
Toactivate ESP ®
SPORT: press and hold
display button 1until thero ad in button
symbol 2lights up yello w.
The å andÆ warning lamps appear in
th e instrument clus ter. #
Todeactivate ESP ®
:press and hold displ ay
button 1until thero ad in button symbol 2
lights up red.
The å and¤ warning lamps appear in
th e instrument clus ter.
% When you deactivate ESP ®
in theI drive
prog ram, AMG Dynamics auto matically
switches totheMas terleve l. #
Toactivate ESP ®
:press and hold display
button 1until thero ad in button symbol 2
lights up blue.
The å, Æand¤ warning lamps go
out.
When the÷ symbol is shown with a red!on
th e display button, ESP ®
is malfunctioning.
Obser vethe information on warning lamps and
display messages which may be shown in the
instrument clus ter. Driving and pa
rking 13 5

Lo
weri ngtheve hicle af ter a wheel change Re
quirements:
R The new wheel has been fitted
(/ page 276). #
Tolowe r the vehicle: turnthe crank of the
jack anti-clo ckwise until theve hicle is once
again standing firm lyon the ground. #
Tighten the wheel bolts evenly in a diagonal
pattern in the order indicated 1to5 with
a maximum of 80 Nm. #
Tighten the wheel bolts evenly in a diagonal
pattern in the order indicated 1to5 the
specified tightening torque of 180 Nm. &
WARNING Risk of injury thro ugh incor‐
re ct tigh tening torque
The wheels could come loose if the wheel
bolts or wheel nuts are not tightened tothe
prescribed tightening torque. #
Ensu rethat the wheel bolts or nuts are
tightened tothe prescribed tightening
to rque. #
Ifyo u are not sure, do not mo vethe
ve hicle. Consult a qualified specialist
wo rkshop and ha vethe tightening tor‐
qu ech ecked immediately. #
Check the tyre pressure of the newly fitted
wheel and adjust it if necessa ry. #
Vehicles with a tyre pressure monitoring
sy stem: restart the tyre pressure monitoring
sy stem (/ page 267).
Exception: the new wheel is an emer gency
spa rewheel. Emer
gency spare wheel Note
s onthe emer gency spare wheel &
WARNING Risk of accident caused by
incor rect wheel and tyre dimensions
The wheel or tyre size and the tyre type of
th e emer gency spa rewheel or spare wheel
and the wheel tobe replaced may dif fer. The
emer gency spa rewheel or spare wheel can
significantly impair driving characteristics of
th eve hicle.
To preve nt hazardous situations: #
Drive carefully. #
Neverfit more than one emer gency
spa rewheel or spare wheel that dif fers
in size. #
Only use an emer gency spa rewheel or
spare wheel brief ly. #
Do not deacti vate ESP ®
. #
Have the emer gency spa rewheel or
spare wheel of a dif fere nt size replaced
at the nearest qualified specialist work‐ Wheels and tyres
277

Wa
rning/indicator lamp
Possible causes/consequences and M MSolutions #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below 120 °C.
; Engine diagnosis warning
lamp The
yellow engine diagno stics warning lamp is lit while the engine is running.
*A malfunction has occur red in the engine, theex haust sy stem or the fuel sy stem.
The emissions limit value may ha vebeen exceeded and the engine may be running in eme rgency operation mode. #
Have theve hicle checked as soon as possible at a qualified specialist workshop.
p Engine operating temp era‐
ture warning lamp The blue
warning lamp for engine operating temp erature will remain lit until the engine operating temp erature has been
re ached.
*T he engine output and engine torque will remain reduced until then. #
Take this into consideration in your driving style.
#
Elect rical fault warning
lamp The
red elect rical fault warning lamp is lit.
*T here is a fault in the electrics. #
Notethe messages on the multifunction displa y.336
Display messages and warning/indicator lamps