wheel torque MERCEDES-BENZ AMG GT COUPE 2021 Owners Manual

R
When there is a strong crosswind and a driving
speed of appr oximately 75 km/h to
200 km/h.
ESP ®
can stabilise theve hicle byinter vening in
th efo llowing ways:
R One or more wheels are braked.
R The engine output is adap ted according tothe
situation.
ESP ®
is activated every time theve hicle is star ted
re ga rdless of whe ther ESP ®
wa s in ESP ®
SPORT
or deacti vated before theve hicle was switched
o..
If th e÷ ESP®
wa rning lamp 0ashes in the
inst rument clus ter,one or se veral wheels has
re ached its grip limit:
R Adapt the driving style tosuit the pr evailing
ro ad and weather conditions.
R Do not deactivate ESP ®
under any circums tan-
ces.
R Only dep ress the accelerator pedal as far as
necessar y. Char
Char act acter
eris
istics of ESPtics of ESP ®
®
SPORT
SPORT &
W
WARNING
ARNING 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 ®
SPORT only in the circum-
stances described belo w. When ESP
®
SPORT is activated, theå and
Æ warning lamps light up continuously in the
inst rument cluster.
Select ESP ®
SPORT when theve hicle's ownove r-
stee ring and understeering characteristics are
desired, e.g. on cordoned-o. roads.
Driving with ESP ®
SPORT or with ESP ®
deactiva-
te dre qu ires an extremely quali/ed and experi-
enced driver.
If ESP ®
SPORT is activated and one or more
wheels start tospin, the÷ ESP®
wa rning lamp
on the inst rument cluster 0ashes. ESP ®
then only
stabilises theve hicle toa limi ted deg ree. ESP
®
SPORT also has thefo llowing characteris-
tics:
R ESP ®
only 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 ly restric tedto a limi-
te d deg ree and the drive wheels can spin.
The spinning of the wheels results in a cutting
action for better traction on loose sur faces.
R ESP ®
continues toprov ide assistance when
th e brakes are /rmly applied.
R V
V ehicles wit ehicles wit h tr
h trailer hitc
ailer hitc h:
h:stabilisation of the
ve hicle/trailer combination is no lon ger
active.
R Crosswind Assist is no lon ger active.
Char
Char act
acter
eris
istics when ESPtics when ESP ®
®
is deactiv
is deactiv at
ated
ed &
W
WARNING
ARNING Risk of skidding if ESP ®
is
deactivated
If yo u deactivate ESP ®
, ESP ®
cannot car ryout
ve hicle stabilisation. 212
212
Driving and parking

#
ESP ®
should only be deactivated in the
fo llowing situations. When ESP
®
is deactivated, theå and¤
wa rning lamps light up continuously in the inst ru-
ment clus ter.
Deactivating ESP ®
has thefo llowing e.ects:
R Driving stability will no longer be impr oved.
R The drive wheels could spin.
R ETS/4ETS traction control is still active.
R V
V ehicles wit
ehicles wit h tr
h trailer hitc
ailer hitc h:
h:stabilisation of the
ve hicle/trailer combination is no lon ger
active.
R Crosswind Assist is no lon ger active.
% Even when ESP ®
is deactivated, you are still
assisted byESP ®
when braking hard.
It may be best toactivate ESP ®
SPORT or deacti-
va te ESP ®
in thefo llowing situations:
R When using snow chains.
R In deep sno w.
R On sand or grav el. %
Spinning the wheels results in a cutting
action, which enhances traction.
% Activate ESP ®
as soon as the situations
described abo veno longer app ly. 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-
ousl y,ESP ®
is not available due toa malfunction.
Obser veany information which is displ ayed in the
inst rument cluster:
R Indicator and warning lamps (/ page 472)
R Display message s (/page 406)
ET
ET S/4ET
S/4ET S (Electr
S (Electr onicTr
onic Traction Syst
action Syst em)
em)
ETS/4ETS traction cont rol is partof 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 tr ansferredto the wheel
or wheels with traction. F
F
unction of ESP
unction of ESP ®
®
Cr
Cr osswind Assist
osswind Assist ESP
®
Crosswind Assist de tects sudden gusts of
side wind and helps the driver tokeep theve hicle
in the lane:
R ESP ®
Crosswind Assist is active at vehicle
speeds between appr ox. 75 km/h and
200 km/h when driving straight ahead or cor-
nering slightl y.
R The vehicle is stabilised bymeans of individual
brake application on one side. F
F
unction of ESP
unction of ESP ®
®
tr
trailer st
ailer st abilisation
abilisation &
W
WARNING
ARNING Risk of accident in poor road
and weather conditions
In poor road and weather conditions, the
trailer stabilisation cannot pr event lurching of
th eve hicle/trailer combination. Trailers with a
high cent reofgrav ity may tip over before
ESP ®
de tects this. #
Always adapt your driving style tosuit
th e cur rent road and weather conditions. Driving and parking
213
213

#
Slide the wheel tobe mounted onto the cen-
tring pin and push it on. &
W
W ARNING
ARNING Risk of injury from tightening
wheel bolts and nuts
If yo u tighten the wheel bolts or wheel nuts
when theve hicle is raised, the jack could tip. #
Only tighten wheel bolts or wheel nuts
when theve hicle is on thegr ound. #
Be sure toobser vethe inst ructions and saf ety
no tes on "Changing a wheel" (/ page 375).#
For saf etyre asons, only use wheel bolts which
ha ve been appr oved byMercedes-Benz and
fo rth e wheel in question. #
Tighten the wheel bolts evenly in a diagonal
pattern in the order indicated until they are
/nger-tight. #
Unscr ewand remo vethe centring pin. #
Tighten the last wheel bolt until it is /n ger-
tight. #
Lowe rth eve hicle (/ page 385). Low Low
er
ering t
ing t he v
he vehicle
ehicle aTer
aTera wheel c
a wheel c hange
hange R
R
eq
eq uir
uir ements:
ements:
R The new wheel has been /tted (/ page 384). #
T
To low
o low er t
er the v
he v ehicle:
ehicle: placethera tchet onto
th e he xagon nut of the jack so that the letters
"AB" are visible and turn anti-clockwise. #
Tighten the wheel bolts evenly in a diagonal
pattern in the order indicated 1to5 with
an initial maximum forc e of 80 Nm. #
Tighten the wheel bolts evenly in a diagonal
pattern in the order indicated 1to5 with
th e speci/ed tightening torque of 150 Nm. &
W
WARNING
ARNING Risk of accident due toincor-
re ct tightening torque
The wheels could come loose if the wheel
bolts or wheel nuts are not tightened tothe
prescribed torque. #
Ensure that the wheel bolts or wheel
nuts are tightened tothe prescribed
tightening torque. #
Ifyo u are not sure, do not mo vetheve hi-
cle. Con tact a quali/ed specialist work-
shop and ha vethe tightening torque
ch ecked immediatel y. #
Check the tyre pressure of the ne wly/tted
wheel and adjust it if necessar y.
% The following does not apply if the new wheel
is an emer gency spa rewheel. #
V
Vehicles wit
ehicles wit h a tyr
h a tyre pr
e pr essur
essur e monit
e monit or
oring sy
ing sy s-
s-
t
t em:
em: restart the tyre pressure monitoring sys-
te m (/ page 375). Wheels and tyres
385
385