open bonnet MERCEDES-BENZ AMG GT ROADSTER 2018 Owners Manual

R
frequent operation in mountainous terrain or
on poor road sur faces
R when the engine is of ten le ftidling for long
periods
R operation in particula rly dusty conditions
and/or if air-recirculation mode is frequently
used
In these or similar operating conditions, ha vethe
interior air filter, engine air cleaner, engine oil
and oil filter etc. changed more frequent ly. The
tyres must be checked more frequently if the
ve hicle is operated under increased loads. Fur‐
th er information can be obtained at a qualified
specialist workshop. Battery disconnection periods
The ASS
YST PLUS se rvice inter val display
can only calculate the service due da tewhen
th e bat tery is connected. #
Notedown the service due date displa yed on
th e instrument display before disconnecting
th e battery (/ page247). Engine com
partment Opening/closing the bonnet
&
WARNING Risk of accident due todriv‐
ing with the engine bonn etunlo cked
An unloc ked engine bonn etmay open up
when theve hicle is in motion and block your
vie w. #
Never unlock the engine bonn etwhen
driving. #
Before every trip, ensure that the
engine bonn etis loc ked. &
WARNING Risk of accident and inju ry
when opening and closing the engine
bonn et
When opening or closing the engine bonn et,
it may suddenly drop into the end position.
There is a risk of injury for an yone in the
engine bonn et's range of mo vement. #
Only open or close the engine bonn et
when there are no persons in the
engine bonn et's range of mo vement. &
WARNING Danger of bu rns 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 inju rydue tomoving
parts
Cer tain components in the engine compart‐
ment may continue tomo veor suddenly
mo veagain even af terth e ignition has been
switched off, e.g. the cooler fan. 248
Maintenance and care

All
vehicles
* NO
TEDama gecaused bynumerous or
ex tended attem ptsto start the engine Nume
rous or extended attem ptsto start the
engine may damage the catalytic con verter
due tonon-combu sted fuel. #
Avoid numerous and extended attem pts
to start the engine. Obser
vethefo llowing points during starting
assis tance and when charging the battery:
R Only use undamaged jump lead/charging
cables with a suf ficient cross-section and
insula tedte rm inal clamps.
R Non- insulated parts of thete rm inal clamps
must not come into con tact wi thother me tal
parts while the jump lead/charging cable is
connected tothe battery/jump-s tart connec‐
tion point.
R The jump lead/charging cable must not
come into contact wi thany parts which may
mo vewhen the engine is running. R
Alw ays make sure that nei ther you nor the
battery is elect rostatically charge d.
R Keep away from fire and naked flames.
R Do not lean overth e batter y.
Obser vethe additional following points when
ch arging the battery:
R Only use battery charge rs tested and
appr oved for Mercedes-Benz.
R Read the battery charge r's operating instruc‐
tions before charging the batter y.
Obser vethe additional following points during
st arting assis tance:
R Starting assis tance may only be pr ovided
using batteries with a nominal voltage of
12 V.
R The vehicles must not touch.
R Petrol engine: only acceptstarting assis‐
ta nce if the engine and exhaust sy stem are
cold. St
arting assi stance and charging the12 V
battery Re
quirements:
R The vehicle is secured with the electric park‐
ing brake.
R Vehicles with automatic transmission: the
transmission is in position j.
R The ignition and all electrical consumers are
switched off.
R The bonnet is open. 276
Breakdown assis tance

Display messages
Possible causes/consequences and M
MSolutions #
Ensure that the cause of the bloc kage has been remo ved. #
Switch off the engine and lock theve hicle. #
Start theve hicle af ter a few minutes.
The rear wing mo vesto the initial position.
If th e problem persists or the cause cann otbe de tected: #
Consult a qualified specialist workshop.
Rear spoiler control sys-
tem inoperative *T
herear wing cannot reach the end position during retraction and extends again if possible.
If re traction of there ar wing is bloc ked, e.g. byice: #
Ensure that the cause of the bloc kage has been remo ved. #
Switch off the engine and lock theve hicle. #
Start theve hicle af ter a few minutes.
The rear wing mo vesto the initial position.
If th e problem persists or the cause cann otbe de tected: #
Consult a qualified specialist workshop.
M *T
he bonnet is open. &
WARNING Risk of accident due todriving with the engine bonn etunlo cked
An unloc ked engine bonn etmay open up when theve hicle is in motion and block your vie w. 350
Display messages and warning/indicator lamps

ECO display
Function ............................................... 11 8
Re setting ............................................. 175
ECO start/s top function ......................... 11 8
Au tomatic engine start ........................ 11 8
Au tomatic engine stop .........................1 18
Operation ............................................. 11 8
Switching off/on .................................. 11 8
Electric pa rking brake ............................ .132
Applying auto matically ........................ 13 2
App lying or releasing manually ............ 13 4
Emergency braking .............................. 13 4
Re leasing automatically ...................... .133
Electrical fuses see Fuses
Electromagnetic compatibility Declaration of conformity ......................22
Emer gency
Fire extinguisher ................................. .266
Fir st-aid kit (so ftsided) ....................... 266
Overview of the help functions .............. 16
Saf etyve st .......................................... 265
Setting up thewa rning triangle .......... .265
Emer gency braking ................................. 13 4Emer
gency braking
see BAS (Brake Assi stSystem)
Emer gency call sy stem
see Mercedes-Benz emer gency call sy stem
Emer gency engine start ......................... 282
Emer gency key
Inserting/removing ............................... 58
Locking a door .......................................64
Un locking a door .................................. .64
Emotion Start
St arting theve hicle .............................. 11 3
Engine ECO start/ stop function ......................1 18
Engine number .................................... 306
St arting (k ey) .......................................1 13
St arting (s tart/s top button) .................1 13
St arting assis tance .............................. 276
Engine bonnet Opening/closing ................................ .248
Engine data Displ aying ............................................ 121
Engine electronics Notes .................................................. 306 Engine number
........................................3 06
Engine oil ................................................. .251
Ad ditives .............................................. 310
Capacity .............................................. .311
Checking the oil le vel using the oil
dipstick ............................................... 250
Checking the oil le vel using the on-
board computer ................................... 251
MB-Fr eigabe or MB-Appr oval .............. .311
Quality ................................................. 311
Te mp erature (on-board computer,
Pe rformance menu) ............................. 171
To pping up ...........................................2 51
Entering characters
Fu nction/no tes ................................... 185
On theto uchpad .................................. 186
ERA-GLONASS test mode
St arting/ending .................................. 223
ESP ®
Crosswind Assist ................................ .140
ESP ®
(Electronic Stability Prog ram)
Ac tivating/deactivating ...................... .139
Fu nction/no tes .................................... 137
SPORT handling mode ......................... 137384
Index