2020 MERCEDES-BENZ AMG GT R-ROADSTER Owners Manual

#
Turn cap 1anti-clockwise and remo veit. #
Top up the engine oil. #
Replace cap 1and turn it clockwise until it
engages. #
Check the oil le vel again (/ page 292). Checking
the coolant le vel &
WARNING Risk of burn s from hot com‐
ponent parts in the engine compartment
Cer tain components in the engine compart‐
ment can be very hot, e.g. the engine, the
ra diator and parts of theex haust sy stem. #
Allow the engine tocool down and only
to uch co mponent parts described in
th efo llowing. &
WARNING Risk of scalding from hot
coolant
If yo u open the cap, you could be scalded. #
Let the mo tor cool down before opening
th e cap. #
When opening the cap, wear pr otective
gl ove s and saf etygl asses. #
Open the cap slowly torelease pres‐
sure. #
Park theve hicle on a le vel sur face. #
Check the coolant temp erature display in the
instrument clus ter.
The coolant temp erature must be below
70 °C. #
Slowly turn cap 1anti-clockwise torelease
ove rpressure. 294
Maintenance and care

#
Continue turning cap 1anti-clockwise and
re mo veit.
The coolant le vel is cor rect in thefo llowing
cases:
R ifth e engine is cold, the coolant is up to
mar ker bar 2.
R ifth e engine is warm,th e coolant is up to
1. 5 cm overth e mar ker bar 2. #
If necessar y,top up with coolant that has
been appr ovedfo r Mercedes-Benz.
% Further information on coolant
(/ page 344) To
pping up the windsc reen washer sy stem &
WARNING Risk of burn s from hot com‐
ponent parts in the engine compartment
Cer tain components in the engine compart‐
ment can be very hot, e.g. the engine, the
ra diator and parts of theex haust sy stem. #
Allow the engine tocool down and only
to uch co mponent parts described in
th efo llowing. &
WARNING Danger of burn s when open‐
ing the bonn et
If yo u open the engine bonn etwhen the
engine has overheated or during a fire inthe
engine compartment, you could come into
contact with hot gases or other escaping
operating fluids. #
Before opening the bonn et, allow the
engine tocool down. #
Intheeve nt of a fire inthe engine com‐
partment, keep the engine bonn et
closed and call thefire service. &
WARNING ‑ Risk of fire and injury due to
windscreen washer concentrate
Wi ndsc reen washer concentrate is highly
fl ammable. It could ignite if it comes into
con tact with hot engine component parts or
th eex haust sy stem. #
Make sure that no windscre enwasher
concentrate spills out next tothefiller
opening. #
Remo vecap 1bytheta b. #
Top up thewa sher fluid. Main
tenance and care 295

Ke
eping the air-water duct free #
Keep the area between the bonn etand the
windscreen free of deposits, e.g. ice, snow
and lea ves. Cleaning and care
Information on
washing theve hicle in a car
wa sh &
WARNING Risk of an accident due to
re duced braking po wer af terwa shing the
ve hicle
Braking ef ficiency is reduced af terwa shing
th eve hicle. #
Afterth eve hicle has been washed,
brake carefully while paying attention to
th e traf fic conditions until braking
po we r has been fully restored. *
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
To avo id damage totheve hicle, deactivate
th ese sy stems in thefo llowing or similar sit‐
uations: #
during towing #
in a car wash *
NO
TEDama gedue tounsuitable car
wa sh #
Before driving into a car wash make
sure that the car wash is suitable for
th eve hicle dimensions. #
Ensure there is suf ficient ground clear‐
ance between the underbody and the
guide rails of the car wash. #
Ensure that the clearance width of the
car wash, in particular the width of the
guide rails, is suf ficient. To
avo id damage to yourvehicle when using a
car wash, ensure thefo llowing beforehand:
R Active Dis tance Assi stDISTRONIC is deacti‐
va ted.
R The HOLD function is switched off.
R the active aerodynamics profile is fully
re tracted.
R the side windo wsare comple tely closed.
R the blo werfo rth eve ntilation/heating is
switched off.
R the windscreen wiper switch is in position
g.
R theke y is at a minimum dis tance of 3 m
aw ay from theve hicle, otherwise theta ilgate
could open unin tentional ly.
R in car washes with a con veyo r sy stem: neu‐
tral iis engaged. 296
Maintenance and care

%
In car washes with a con veyo r sy stem: if you
wo uld like tolea vetheve hicle while it is
being washed, make sure theke y is located
in theve hicle. The park position jisother‐
wise automatically engaged.
% If, af terth e car wash, youre mo vethewax
from the windscreen and wiper rubbers, this
will pr event smearing and reduce wiper
noise. Information on using a high-p
ressure cleaner &
WARNING Risk of an accident when
using high-pressure cleane rswith round-
spray nozzles
The wate r jet can cause extern ally invisible
damage.
Components damaged in this wa y may unex‐
pec tedly fail. #
Do not use a high-pressure cleaner with
round-spr aynozzles. #
Have damaged tyres or chassis parts
re placed immediatel y. To
avo id damage to yourvehicle, obser vethefo l‐
lowing when using a high-pressure cleaner:
R keep theke y at least 3 m away from theve hi‐
cle. Otherwise theta ilgate could open unin‐
te ntional ly.
R maintain a dis tance of at least 30 cm tothe
ve hicle.
R vehicles with decora tivefoil: parts of your
ve hicle are co vered with a decorative foil.
Maintain a dis tance of at least 70 cm
between thefo il-c ove red parts of theve hicle
and the nozzle of the high-pressure cleaner.
Mo vethe high-pressure cleaner nozzle
around whilst cleaning. The waterte mp era‐
ture of the high-pressure cleaner must not
exc eed 60 °C.
R obser vethe information on the cor rect dis‐
ta nce in the equipment manufacturer's oper‐
ating instructions.
R do not point the nozzle of the high-pressure
cleaner directly at sensitive parts such as
tyres, gaps, elect rical components, batteries,
light sou rces and ventilation sl ots. Wa
shing theve hicle byhand Obser
vethe legal requ irements, e.g. in a number
of countries, washing byhand is only permitted
in specially designated wash ba ys. #
Use a mild cleaning agent, e.g. car shampoo. #
Washtheve hicle with luk ewarmwate r using
a soft car sponge. When doing so, do not
ex pose theve hicle todirect sunlight. #
Carefully hose theve hicle off with water and
dry using a chamois. Take care not topoint
th ewate r jet directly towa rdsth e air inlet
grille below the bonn et. Note
s on paint work/matt finish paintwork
care Obse
rveth e no tes on cleaning and care toavo id
damaging the paintwor k.
Pa int
R Insect remains: soak with insect remo ver and
ri nse off the treated areas af terw ards.
R Bird droppings: soak with water and rinse off
af te rw ards. Main
tenance and care 297

R
Tree resin, oils, fuels and greases: remo veby
ru bbing gently wi tha clo thsoaked in petro‐
leum ether or lighter fluid.
R Coolant and brake fluid: remo vewith a damp
clo thand clean water.
R Tarst ains: use tarre mo ver.
R Wax: use silicone remo ver.
R Do not attach sticke rs,fi lms or similar mate‐
ri als.
R Remo vedirt immediately, where possible.
Matt finish
R Only use care products appr ovedfor
Mercedes-Benz.
R Do not polish theve hicle and light-alloy
wheels.
R Only use car washes that cor respond tothe
latest engineering standards.
R Do not use car wash programmes with a final
hot wax treatment.
R Do not use paint cleane rs, buf fing or polish‐
ing products, gloss preser vers, e.g. wax. R
Alw ays ha vepaintwork repairs car ried out at
a qu alified specialist workshop. Note
s on cleaning decorative foils Obser
vethe no tes on matt finish care in the
ch ap ter "No tes on paintwork/matt finish paint‐
wo rkcare" (/ page 297). They also apply to
matt decorative foils.
Obser vethe no tes on cleaning decorative foils to
avo idvehicle damage.
Cleaning R For cleaning, use plenty of water and a mild
cleaning agent without additives or abrasive
subs tances, e.g. a car sha mpoo appr ovedfor
Mercedes-Benz.
R Remo vedirt immediatel y,where possible,
whilst avoiding rubbing too hard. There is
ot herwise a risk of damaging the decorative
fo il ir reparably.
R Ifth ere is dirt on thefinish or if the decora‐
tive foil is dull: use thePa int Cleaner recom‐
mended and appr ovedfo r Mercedes-Benz. R
Insect remains: soak with insect remo ver and
ri nse off the treated areas af terw ards.
R Bird droppings: soak with water and rinse off
af te rw ards.
R Topreve ntwate rst ains, dry a foil-wrapped
ve hicle with a soft, absorbent clo thafter
eve rycar wash.
Av oiding dama getothe decorative foil
R The service life and colouring of decorative
foils are impaired by:
- sunlight
- temp erature, e.g. hot air blo wer
- weather conditions
- stone chippings and dirt
- chemical cleaning agents
- oily products
R Do not use polish on matt decorative foil.
Po lishing will ha vethe ef fect of shining the
fo il-wrapped sur face.
R Do not treat matt or stru ctured deco rative
fo ils with wax.Pe rm anent stains may occur. 298
Maintenance and care

Scratches, cor
rosive deposits, areas af fected by
cor rosion and damage caused byincor rect care
cannot al ways be comple tely repaired. In such
cases, visit a qualified specialist workshop.
Yo u can obtain more information on care and
cleaning products from the manufacturer.
In the case of foil-wrapped sur faces, optical dif‐
fe re nces may occur between the sur faces that
we renot pr otected bya decorative foil af ter
re moving a decorative foil.
% Have wo rkor repairs todecorative foils car‐
ri ed out at a qualified specialist workshop,
e.g. in a Mercedes-Benz Service Centre. Note
s on care of car parts &
WARNING Risk of entrapment if the
windscreen wipers are swit ched on while
th e windscreen is being cleaned
If th e windscreen wipers are set in motion
while you are cleaning the windscreen or
wiper blades, you can be trapped bythe
wiper arm. #
Alw ays switch off the windscreen wip‐
ers and the ignition before cleaning the
windscreen or wiper blades. &
WARNING Risk of burn s fromtheta il‐
pipe and tailpipe trims
The exhaust tailpipe and tailpipe trims can
become very hot. If you come into contact
with these parts of theve hicle, you could
burn yourself. #
Alw ays be particular lycareful around
th eta ilpipe and theta ilpipe trims and
supervise children especially closely in
th is area. #
Allow vehicle parts tocool down before
to uching them. Obser
vethe no tes on cleaning and care of the
fo llowing vehicle parts toavoid damage.
Wheels/rims R Use water and acid-free wheel cleaners. R
Do not use acidic wheel cleaners toremo ve
brake dust. This could damage wheel bolts
and brake components.
R Toavo id cor rosion of the brake discs and
brake pads, drive theve hicle for a few
minutes af ter cleaning before parking it. The
brake discs and brake pads warm up and dry
out.
Wi ndo ws
R Clean wind owsinside and outside with a
damp clo thand with a cleaning agent recom‐
mended for Mercedes-Benz.
R Do not use dry clo ths or abrasive or sol vent-
based cleaning agents toclean the inside of
windo ws.
Wi per blades
R Fold out the wiper blades and clean them
using a damp clo th.
R Do not clean the wiper blades too of ten.
Ex terior lighting
R Clean the lenses with a wet sponge and mild
cleaning agent, e.g. car sha mpoo. Maintenance and care
299

R
Only use cleaning agents or cleaning clo ths
th at are suitable for plast ic lenses.
Sensors R Clean the sensors in the front and rear
bumpers with a soft clo thand car shampoo
(/ page 131).
R When using a high -pressure cleaner,maintain
a minimum dis tance of 30 cm.
Re versing camera and front camera
R Use clean water and a soft clo thtoclean the
came ralens.
R Do not use a high-pressure cleaner.
Ac tive aerodynamics profile
R Extend the active aerodynamics profile for
wa shing byhand (/ page149).
R Clean the active aerodynamics profile with a
soft car sponge and mild cleaning agent, e.g.
car shampoo.
R Comple tely retract the active aerodynamics
profile af ter drying (/ page149).
R Do not use a high-pressu recleane r. Ta
ilpipes
R Clean with a cleaning agent recommended
fo r Mercedes-Benz, especially inthe winter
and af terwa shing theve hicle.
R Do not use acidic cleaning agents. Note
s on care of the interior &
WARNING Risk of injury from plastic
parts breaking off af terth e use of sol‐
ve nt-based care products
Ca reand cleaning products con taining sol‐
ve nts can cause su rfaces in the cockpit to
become porous. When the airbags are
deplo yed, plastic parts may break away. #
Do not use any care or cleaning prod‐
ucts containing sol vents toclean the
cockpit. &
WARNING Risk of injury or death from
bleached seat belts
Bleaching or dyeing seat belts can se verely
we aken them. This can,
forex ample, cause seat belts to
te ar or fail in an accident. #
Never blea chor dye seat belts. Obser
vethe no tes on cleaning and care toavo id
ve hicle damage.
Seat belts R Clean with luk ewarmand soapy water.
R Do not use chemical cleaning agents.
R Do not dry seat belts byheating them toover
80 °C or exposing them todirect sunlight.
Display
R Switch off the display and let it cool down.
R Clean the sur face carefully with a microfibre
clo thand a suitable display care product
(TFT/LCD).
R Do not use any other agents.
Plastic trim
R Clean with a damp microfibre clo th.
R For heavy soiling: use a care product recom‐
mended for Mercedes-Benz. 300
Maintenance and care

R
Do not attach sticke rs,fi lms or similar mate‐
ri als.
R Do not allow cosmetics, insect repellent or
sun cream tocome in contact wi th the plas‐
tic trim.
Re alwo od/t rim elements
R Clean wi tha mic rofibre clo th.
R Blackpiano-lac quer look: clean with a damp
clo thand soapy water.
R For heavy soiling: use a care product recom‐
mended for Mercedes-Benz.
R Do not use sol vent-based cleaning agents,
polishes or waxes.
Ro of lining
R Clean with a brush or dry shampoo.
Carpet
R Use a carpet and textile cleaning agent rec‐
ommended for Mercedes-Benz.
Genuine leather seat co vers
R Clean with a damp clo thand then wipe with a
dry clo th. R
Leather care: use a leath er care agentthat
has been recommended for Mercedes-Benz.
R Do not allow the leather tobecome too
damp.
R Do not use a microfibre clo th.
DINAMICA seat co vers
R Clean with a damp clo th.
R Do not use a mic rofibre clo th.
Imitation leather seat co vers
R Clean with a damp clo thand 1% soapy water.
R Do not use a mic rofibre clo th.
Cloth seat co vers
R Clean with a damp mic rofibre clo thand 1%
soap solution and allow todry. Maintenance and care
301