2020 MERCEDES-BENZ AMG GT R-ROADSTER torque

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. Driving and parking
107

Obser
vethe additional information on the func‐
tion of the active aerodynamics profile
(/ page 149).
St ationary rear wing
% Only vehicles with the AMG Aerodynamic
pac kage are fitted wi thast ationary rear
wing.
The vehicle is delivered exworks with theflat
wing position. Toimpr overear axle po wer out‐
put, there ar wing can be mo vedto the inclined
position forra cetrack mode.
Obser vethe information about adjusting there ar
wing and the permitted tightening torque
(/ page 149). Note
s on engine oil Check
the engine oil le vel before operating in
ra cetrack mode. DY
NA MIC SELECT switch Fu
nction of theDY NA MIC SELECT switch Use
theDY NA MIC SELECT switch tochange
between thefo llowing drive programs:
R o (Slippery): optimised pulling away and
driving characteristics in wint ryand slippe ry
ro ad conditions
R = (Individual): individual settings
R A (Comfort): comfortable and economi‐
cal driving style
R C (Sport): sporty driving style
R B (Sport Plus): particularly sporty driving
st yle
R I (RACE): driving like on a race track
The I (RACE) drive program may not be
used on normal roads. I (RACE) must on ly
be activated and used on dedicated race cir‐
cuits, not on public roads.
Mercedes-AMG recommends selecting the drive
prog ram A when in city traf fic or stop-and-go
traf fic. Depending on
the drive program 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 Glide mode
R The I(R ACE)drive program has thefo l‐
lowing properties: Driving and parking
117

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. &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If ch ildren are left unsupervised in theve hi‐
cle, they could, in part icular:
R open doors, thereby endangering other
persons or road users.
R get out and be stru ck byoncoming traf‐
fi c.
R ope rate ve hicle equipment and become
trapped, forex ample.
In addition, thech ildren could also set the
ve hicle in motion, forex ample by:
R releasing the parking brake.
R change the transmission position.
R start theve hicle. #
Never lea vechildren unat tended in the
ve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Keep theke y out of reach of children. Driving and parking
11 9

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 degree.
R ETS/4ETS traction control is still active.
R The engine's torque is on lyrestricted to a
limited degree 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. R
In deep snow.
R On sand or gr avel.
% 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 387)
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. 134
Driving and pa rking

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. Fu
nction of EBD Elect
ronic Breakforce Distribution (EBD) is char‐
acterised bythefo llowing:
R Monitoring and regulating the brake pressure
on there ar wheels.
R Impr oved driving stability when braking,
especially on bends. Fu
nction of Active Brake Assi st Ac
tive Brake Assi stconsi sts of:
R Distance warning function
R Autonomous braking function
R Situation-dependent braking assi stance
Ac tive Brake Assi stcan help youto minimise the
ri sk of a collision with vehicles, or toreduce the
ef fects of such a collision.
If Ac tive Brake Assi sthas de tected a risk of colli‐
sion, a warning tone sounds and theL warn‐
ing lamp lights up 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 334). #
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 325).
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
335

Wa
rning/indicator lamp
Possible causes/consequences and M MSolutions #
Consult a qualified specialist workshop.
or #
Exit theve hicle and keep a safe dis tance from it until the engine has cooled down. #
Check the coolant le vel (/ page 294). #
Make sure that the air supply tothera diator is not obstructed. #
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. Display messages and
warning/indicator lamps 393