2015 MERCEDES-BENZ SLS AMG GT ROADSTER engine

Engine
Problem
Possible causes/consequences and
0050
0050Solutions 00B9
The yellow
CheckEngine
warning lamp
light supw hile
th ee ngineis
running. Ther
emay be amalfunction, for example:
R in th eenginem anagement
R in th efuel injection system
R in th eexhaust system
R in th eignition system
R in th efuel system
The emission limit values may be exceeded and th eenginem ay be
in emergency mode.
X Hav ethe vehicle checked as soon as possible at aqualified
specialist workshop.
i In som
estates, you must visi taqualifie dspecialist workshop
as soon as th eyellow check engin ewarning lamp light sup. This
is due to th elegal requirements in effect in these states. If in
doubt ,che ck whether suc hlegal regulations apply in th estate in
whic hyou are currently driving. 00B9
The yellow
CheckEngine
warning lamp
light supw hile
th ee ngineis
running. The
smoothness of
th eg ear change
is restricted. The sub geartrain with th
eodd gear shas failed .The transmission
is in emergency mode.
X Hav ethe vehicle checked as soon as possible at aqualified
specialist workshop. 00E4
The red engine
oil temperature
warning lamp
comes on while
thee ngineis
running. Awarn-
ing tone also
sounds. The engin
eoil temperatur ehas exceeded 28 4‡(140† ).
The engin eisnotbein gcooled sufficiently and may be damaged.
X Pull ove rand stop th evehicle safely and switch off th eengine,
paying attentio ntoroad and traffic conditions.
X Allo wthe engin etoc ooldown. Warning and indicator lamps in th
einstrumen tcluster
195On-boar dcomputer and displays Z

Problem
Possible causes/consequences and
0050
0050Solutions 00E4
The red engine
oil temperature
warning lamp
comes on while
the engine is
running. The
engine oil tem-
perature is not
displayed. The engine control unit data transfer is malfunctioning.
X Visit aqualified specialist workshop. 00B5
The yellow
reserve fuel
warning lamp
lights up while
the engine is
running. The fuel level has dropped into the reserve range.
X Refuel at the nearest gas station. 00B5
The yellow
reserve fuel
warning lamp
flashes while the
engine is run-
ning. The fuel system pressure is too low. The fuel filler cap is not closed
correctly or the fuel system is leaking.
X Check that the fuel filler cap is correctly closed.
X If the fuel filler cap is not correctly closed: close the fuel filler
cap.
X If the fuel filler cap is closed: visitaqualified specialist work-
shop. 196
Warning and indicator lampsint
he instrument clusterOn-board computer and displays

Problems with the rear spoiler
Problem
Possible causes/consequences and
0050
0050Solutions The rear spoiler stops
before reaching the
end position when
retracting manually. You have opened the trunk lid while manually retracting the rear
spoiler.
X Close the trunk lid.
The rear spoiler extends or, if you press and hold button 0043,
continues retracting. The rear spoiler stops
before reaching the
end position when
retracting/extending
manually. You have switched off the ignition.
X Switch the ignition back on.
X Press button to extend/retract the rear spoiler.
The rear spoiler extends/retracts. The rear spoiler cannot
be retracted again after
manually extending it. You have opened the trunk lid while manually extending the rear
spoiler.
X Close the trunk lid. The rear spoiler does
not extendorr
etract
automatically. The rear spoiler's movement is blocked, e.g. by an object jammed
between the body and the rear spoiler.
X Remove the object. Garage door opener
Important safety notes G
WARNING
When you operate or program the garage door with the integrated garage door opener, per-
sons in the range of movement of the garage
door can become trapped or struck by the
garage door. There is arisk of injury.
When using the integrated garage door
opener, always make sure that nobody is
within the range of movement of the garage
door. G
WARNING
Combustion engines emit poisonous exhaust
gases such as carbon monoxide. Inhaling
these exhaust gases leads to poisoning. There is ar isk of fatal injury. Therefore never leave
the engine running in enclosed spaces with-
out sufficient ventilation. The HomeLink
®
garage door opener inte-
grated in the rear-view mirror allowsy ou to
operate up to three different door and gate
systems.
Use the integrated garage door opener only
on garage doors that:
R have safety stop and reverse features and
R meet current U.S. federal safety standards
When programing agarage door opener, park
the vehicle outside the garage.
i Certain garage door drives are incompat-
ible with the integrated garage door
opener. If you have difficulty programing
the integrated garage door opener, contact
an authorized Mercedes-Benz Center.
Alternatively, you can call the following
telephone assistance services:
R USA: Mercedes-Benz Customer Assis-
tanceC enter at 1-800-FOR-MERCedes
R Canada: Customer Service at
1-800-387-0100 Features
211Stowage and features Z

Useful information
............................218
Engine compartment ........................218
Maintenance ...................................... 222
Care .................................................... 223 217Maintenance and care

Useful information
i This Operator's Manual describes all
models and all standard and optional equip- ment of your vehicle available at the time of
publication of the Operator's Manual.
Country-specific differences are possible.
Please not ethat your vehicle may not be
equipped with all feature sdescribed. This
also applies to safety-related system sand
functions.
i Please read the information on qualified
specialist workshops (Y page 23).Engine compartment
Hood
Important safet ynotes G
WARNING
If the hood is unlatched, it may open up when the vehicle is in motion and block your view.
There is arisk of an accident.
Never unlatc hthe hood while driving. G
WARNING
When openin gand closin gthe hood, it may
suddenly fall int othe closed position .There is
ar isk of injury to person swithin range of
movement of the hood.
Open and close the hood only when no one is
within its range of movement. G
WARNING
Openin gthe hood when the engin eisover-
heated or when ther eisafire in the engine
compartmen tcould expose you to hot gases
or other servic eproducts. There is arisk of
injury.
Let an overheated engin ecool down before
openin gthe hood. If ther eisafire in the
engin ecompartment, keep the hood closed
and contact the fire department. G
WARNING
The engin ecompartmen tcontains moving
components. Certain components, such as
the radiator fan, may continue to run or start
again suddenly when the ignition is off. There is ar isk of injury.
If you need to do any work inside the engine
compartment:
R switc hoff the ignition
R neve rreach int othe area where ther eisa
risk of danger from movin gcomponents,
such as the fan rotation area
R remov ejewelry and watches
R keep items of clothing and hair, for exam-
ple, away from movin gparts
Opening the hood G
WARNING
Certain components in the engin ecompart-
ment ,such as the engine, radiator and parts
of the exhaust system ,can becom every hot.
Working in the engin ecompartmen tposes a
risk of injury.
Where possible, let the engin ecool down and
touc honly the components described in the
following. G
WARNING
When the hood is open and the windshield
wipers are set in motion, you can be injured by the wiper linkage. There is arisk of injury.
Always switc hoff the windshield wipers and
the ignition before openin gthe hood. 218
Engine compartmentMaintenance and care

Hood release leve
rindriver's footwell
X Pull release lever 0043on the hood.
The hood is released.
! Make sure that the windshield wipers are
not folded away from the windshield .You
coul dotherwise damag ethe windshield
wipers or the hood. X
Reach into the gap ,pullh ood catch han-
dle 0044up and lift the hood.
Closing the hood X
Lower the hood and let it fal lfrom aheight
of approximatel y8inches (20 cm).
X Check that the hood has engaged properly.
If the hood can be raised slightly ,itisnot
properl yengaged .Openita gain and close
it with alittle more force. Engine oil
General notes Depending on the driving style, the vehicle
consumes up to 0.9 US qt (0.8 l) of oil over a
distance of 600 miles (1000 km). The oil con- sumptio nmay be higher than this whe nthe
vehicle is new or if yo ufrequently drive at high
engine speeds.
Depending on the engine, the oil dipstick may
be in adifferent location.
Whe nchecking the oil level:
R park the vehicle on aleve lsurface.
R the engine should be switched off for
approximatel yfive minutes if the engine is
at normal operating temperature.
R if the engine is not at normal operating
temperature, e.g. if the engine wa sonly
started briefly ,waita bout 30 minutes
before carrying out the measurement.
Checking the oill evel usin gthe oild ip-
stick G
WARNING
Certai ncomponents in the engine compart-
ment, such as the engine, radiator and parts
of the exhaust system, can become very hot.
Working in the engine compartment pose sa
risk of injury.
Where possible, let the engine cool dow nand
touch only the components describe dinthe
following. Engine compartment
219Maintenance and care Z

X
Unscrew and remove oil filler cap 0043with
the integrated dipstick.
X Wipe the oil dipstick.
X Screw on oil filler cap 0043againtot he stop.
X Unscrew oil filler cap 0043againa nd read the
dipstick.
If the level is between MIN mark 0087and
MAX mark 0044,the oil level is correct.
X If the oil level has dropped to MIN mark 0087
or below,a dd 1.1 US qt (1. 0liter )engine oil.
Adding engineo ilG
WARNING
Certain componentsint he engine compart-
ment, such as the engine, radiator and parts
of the exhaust system, can become very hot.
Working in the engine compartment poses a
risk of injury.
Where possible,l et the engine cool down and
touch only the componentsd escribed in the
following. G
WARNING
If engine oil comes into contact with hot com- ponents in the engine compartment,itm ay
ignite. There is arisk of fire and injury.
Make sure that engine oil is not spilledn ext to
the filler neck. Let the engine cool down and
thoroughly clean the engine oil off the com-
ponents before starting the engine. H
Environmental note
When adding oil, take care not to spill any. If
oil enters the soil or waterways, it is harmful to the environment.
! Only use engine oils and oil filters that
have been approved for vehicles with a
service system. You can obtain alist of the
engine oils and oil filters tested and
approved in accordance with the
Mercedes-Benz Specifications for Service
Products at any Mercedes-Benz Service
center. Damage to the engine or exhaust system is
caused by the following:
R using engine oils and oil filters that have
not been specificallya pproved for the
service system
R replacing engine oil and oil filters after
the interval for replacement specified by
the service system has been exceeded
R using engine oil additives.
! Do not add too much oil. adding too much
engine oil can result in damage to the
engine or to the catalytic converter. Have
excess engine oil siphoned off. X
Unscrew and remove oil filler cap 0043with
the integrated dipstick.
X Add engine oil.
If the oil level is at or below the MIN mark on
the oil dipstick, add 1.1 US qt (1.0 l)of
engine oil.
X Replace cap 0043on the filler neck and
tighten clockwise.
Ensure that the cap locks into place
securely.
X Check the oil level again with the oil dip-
stick (Y page 219).
You will find further information about engine
oil in the "Technical data" section
(Y page 283). 220
Engine compartmentMaintenance and care

Additiona
lservice products
Checking coolant level G
WARNING
Certain component sintheengin ecom part-
ment, suc hastheengine, radiato rand parts
of th eexhaust system, can become ver yhot.
Working in th eenginec om partmen tposes a
ris kofi njury.
Wher epossible, let th eenginec ooldown and
touch only th ecom ponent sdescribed in the
following. G
WARNING
The engin ecoolings ystem is pressurized, par-
ticularly when th eengineisw arm.When
opening th ecap,you could be scalded by hot
coolan tsprayin gout.T here is ariskofi njury.
Let th eenginec ooldown before opening the
cap .Wear eye and han dprotection when
opening th ecap.O pen th ecap slowly half a
tur ntoa llow pressur etoescape.
Only chec kthe coolan tlevel when th evehicle
is on alevel surfac eand th eengineh as cooled
down.
X Se tthe Start/Sto pbutto ntok eyposition
2.
X Chec kthe coolan ttem perature display in
th e" AMG" men u(Ypage 160).
The coolan ttem perature mus tbebelow
15 8‡( 70 †). X
Slowly tur ncap 0043 half aturnc ounter-
clockwise and allow excess pressur eto
escape.
X Turn cap 0043further counter-clockwise and
remove it.
If th ecoolan tisatt helevel of th emarker
bar in th efiller neck when cold, there is
enough coolan tincoolan texpansion
tank 0044.
If th ecoolan tlevel is approximately 0. 6in
(1. 5c m) abov ethe marke rbar in th efiller
neck when warm ,the re is enough coolant
in coolan texpansion tank 0044.
X If necessary, add coolan ttha th as been
tested and approve dbyMercedes-Benz.
X Replac ecap 0043 and tur nitclockwise as far
as it will go.
You will fin dfurther information about coolant
in th e"Technical data" section (Y page 285).
Windshiel dwasher system and head-
lam pcleaning system G
WARNING
Certain component sintheengin ecom part-
ment, suc hastheengine, radiato rand parts
of th eexhaust system, can become ver yhot.
Working in th eenginec om partmen tposes a
ris kofi njury.
Wher epossible, let th eenginec ooldown and
touch only th ecom ponent sdescribed in the
following. G
WARNING
Windshield washer concentrate could ignit eif
it comes int ocontac twithh ot engin ecom po-
nent sort heexhaust system. There is ariskof
fir ea nd injury.
Mak esuret hatnow indshield washe rcon-
centrat eisspilled next to th efiller neck.
The washe rfluid reservoir is used for bot hthe
windshield washe rsystem and th eheadlamp
cleaning system. Engine compartment
221Maintenance and care Z