2018 MERCEDES-BENZ AMG GT R-ROADSTER cooling

#
Press button ¿.
Switch off the A/C function only brief lyother‐
wise the windo wsmay mist up more quickl y.
Condensation may drip from the underside of
th eve hicle when cooling mode is active. This is
not a sign that there is a malfunction. Ac
tivating/deactivating the A/C function via
the multimedia sy stem Multimedia sy
stem:
4 Vehicle 5
b Climate control 5
A/C
The A/C function heats, cools and dehumidifies
th eve hicle's interior air. #
Activate Oor deacti vate ª the function. Setting climate control
toautomatic mode In auto
matic mode, the set temp erature is con‐
trolled and maintained at a const ant levelby the
air suppl y. #
Press the à button. #
Toswitch tomanual mode: pressthe H
or _ button. Climate
style Climate
style function
In automatic mode, you can select thefo llowing
climate style settings forth e driver's and front
passenger areas:
R FOCUS: high air flow , slightly cooler setting
R MEDIUM: medium air flow ,st andard setting
R DIFFUSE: low airflow , slightly warmer and
draught-f ree setting
Setting the clima testyle
Multimedia sy stem:
4 Vehicle 5
b Climate control
5 Climate mode #
Select Driverand/or Passenger. #
Select FOCUS, MEDIUM orDIFFUSE .
% Tofeel the ef fect of the climate style, the
à function must be active (/ page110). Overvi
ewofthe air distribution settings The symbols on
the display indicate which vents
th e air flow is being directed thro ugh:
¯ def
rost ervents
P centre and side air
vents
O fo
ot we llve nts
S centre, side and
foot we llve nts
a defros
ter and foot we llve nts
_ all
vents
b defros
ter,middle and side air vents Ac
tivating/deactivating the climate control
syn chro nisation function via the control
panel Climate control can be set centrally using
the
synchronisation function. The temp erature and
air distribution setting forth e driver side is adop‐
te d automatically forth e front passenger side. #
Press button 0. 11 0
Climate cont rol

Checking
the coolant le vel &
WARNING Risk of bu rns 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
The engine cooling sy stem is pressurised,
particularly when the engine is warm. If you
open the cap, you could be scalded byhot
coolant spr aying out. #
Let the engine cool down before open‐
ing the 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. #
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.
R Further information on coolant
(/ page 371). To
pping up the windsc reen washer sy stem &
WARNING Risk of bu rns 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. Maintenance and care
313

This impairs
the braking ef fect. #
Have the brake fluid rene we d at the
specified inter vals. Ha
ve the brake fluid regularly replaced at a
qu alified specialist workshop.
Only use brake fluid appr ovedby Mercedes-Benz
according toMB-F reigabe or MB-Appr oval 33 1.0.
Yo u can obtain fur ther information on brake fluid
in thefo llowing places:
R inthe Mercedes-Benz Specifications for
Operating Fluids
- at http://be vo.mercedes-benz.com
- inthe Mercedes-Benz BeVo App
R at a qualified specialist workshop Coolant
Note
s on coolant
Obser vethe no tes on operating fluids
(/ page 366). &
WARNING Risk offire ‑ and inju ryfrom
antifreeze
If antifreeze comes into contact with hot
component parts in the engine compart‐
ment, it may ignite. #
Allow the engine tocool down before
yo uto p up the antif reeze. #
Make sure that no antifreeze spills out
next tothefiller opening. #
Thoroughly clean the antif reeze from
component parts before starting the
ve hicle. *
NO
TEDama gecaused byincor rect cool‐
ant #
Only add coolant that has been pre‐
mixed with therequ ired antifreeze pro‐
te ction. Information on coolant is
available at thefo l‐
lowing locations:
R inthe Mercedes-Benz Specification for
Operating Fluids 310.1
- at http://be vo.mercedes-benz.com
- inthe Mercedes-Benz BeVo app
R at a qualified specialist workshop *
NO
TEOverheating at high outside tem‐
peratures If an inapp
ropriate coolant is used, the
engine cooling sy stem is not suf ficiently pro‐
te cted against overheating and cor rosion at
high outside temp eratures. #
Alw ays use coolant appr ovedby
Mercedes-Benz. #
Obser vethe instructions in the
Mercedes-Benz Specifications for Oper‐
ating Fluids 310.1. Ha
ve the coolant regularly replaced at a qualified
specialist workshop. Te
ch nical da ta371

The proportion of cor
rosion inhibitor/antifreeze
concentrate in the engine cooling sy stem should
be:
R a minimum of 50% (antifreeze pr otection
down toappr oximately -37 °C)
R a maximum of 55% (antifreeze pr otection
down to-45 °C) Note
s on windscreen washer fluid Obser
vethe no tes on operating fluids
(/ page 366). &
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 wi thhot engine component parts or
th eex haust sy stem. #
Make sure that no windsc reen washer
concentrate spills out next tothefiller
opening. *
NO
TEDama getotheex terior lighting
due tounsuitable windsc reen washer
fl uid Uns
uitable windsc reen washer fluids may
damage the plastic sur face of theex terior
lighting. #
Only use windscreen washer fluids
which are also suitable for use on plas‐
tic sur faces, e.g. MB SummerFit or MB
Wi nterFit. *
NO
TEBlocked spr aynozzles caused by
mixing windscreen washer fluids #
Do not mix MB SummerFit and MB Win‐
te rFit with other windscreen washer flu‐
ids. Do not use distilled or de-ionised
water asthefill
le ve l sensor may be triggered er roneously.
Re commended windscreen washer fluid:
R Abo vefreezing point: e.g. MB SummerFit
R Below freezing point: e.g. MB WinterFit Fo
rth e cor rect mixing ratio, referto the informa‐
tion on the antif reeze conta iner.
Mix thewa sher fluid with the windscreen washer
fl uid all year round. Ve
hicle data Ve
hicle dimensions The heights speci
fied may vary as a result of the:
R tyres
R load
R condition of the suspension
R optional equipment 372
Tech nical da ta

Display messages
Possible causes/consequences and M
MSolutions
No tes on engine oil (/ page 369).Tr
ansmission Display messages
Possible causes/consequences and M
MSolutions
Transmission Malfunction
Stop *
The transmission is malfunctioning. The transmission shifts toposition iautomaticall y. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Switch the transmission toposition j. #
Consult a qualified specialist workshop.
N permanently active Risk
of vehicle rolling *
While theve hicle is rolling or while you are driving, the transmission has been shif tedto position i. #
Depress the brake pedal tostop and, when theve hicle is stationar y,shift the transmission toposition j. #
Tocontinue your journe y,shift the transmission toposition hork.
Stop vehicle Leave engine
running Wait Transmission
cooling *T
he transmission is overheating. Pulling away may be temp orarily impaired or not possible. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances. #
Lea vethe engine running. #
Wait until the display message disappears before pulling away. 400
Display messages and warning/indicator lamps

Mercedes me connect Services limi‐
te
d See Owner's Manual .....................386
N permanently active Risk of vehicle
ro lling .................................................. 400
çOff .............................................. .390
ëOff ............................................... 389
Only select Park (P) when vehicle is
st ationary ............................................ 401
!Pa rking brake See Owner's
Manual ................................................ .376
K Please check direction of tr avel ...... 386
PRE-SAFE inoperative See Owner's
Manual ................................................ 385
RACE START cancelled ........................ 393
RACE START not possible See Own‐
er's Manual ......................................... 394
Ra dar sensors dirty See Owner's
Manual ................................................ 380
ÐRe ar axlesteering cur rently
una vailable .......................................... 409 ÐRe
ar axlesteering Malfunction
Vi sit workshop .....................................4 09
Re ar spoiler control sy stem inopera‐
tive .......................................................4 10
Re ar spoiler inoperative Limit XXX
mp h..................................................... 409
hRe ctify tyre pressure ................... 404
Re duce speed ...................................... 406
!Re lease parking brake .................378
Á Replace key ................................ .407
8 Reser vefuel le vel........................ 397
6Re stra int sys. malfunction Con‐
sult workshop ...................................... 387
Re versing not poss. Consult work‐
shop ....................................................4 01
Risk of vehicle rolling Driver door
open and transmission not in P ...........401
# See Owner's Manual ................... 394
Speed limit (winter tyres) XXX km/h ... 393Spoile
rsextended Caution, reduced
ground clearance .................................4 11
Ù Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual .....412
Ù Steering malfunction Stop
immediately See Owner's Manual ........412
St op vehicle Lea veengine running
Wa itTransmission cooling ...................400
#St opvehicle Lea veengine run‐
ning ..................................................... 394
#St opvehicle See Owner's Man‐
ual .......................................................3 95
çsuspended ................................... 391
bSwitch off lights ...........................414
b Switch on headlamps ...................414
To shift out of P or N,depress brake
and start engine .................................. 401
To p up coolant See Owner ’sManual ... 395
¥To p upwasher fluid ...................... 412 Index
441