2015 MERCEDES-BENZ SLS AMG GT ROADSTER fuel

monitor only functions if the correct sensors
are installed on all wheels.
Information on tire pressures is displayed in
the multifunction display.A fterafew minutes
of driving, the current tire pressure of each
tire is show nintheService Service menu of the mul-
tifunction display. Example
For informatio nonthe message display,r efer
to the "Checking the tire pressure electroni-
cally" section (Y page258).
Important safety notes G
WARNING
Each tire, including the spare (if provided),
should be checked at least once every two
weeks when cold and inflated to the pressure recommended by the vehicl emanufacturer
on the Tire and Loading Information placard
on the driver' sdoor B-pillar or the tire pres-
sure label on the inside of the fuel filler flap .If
yourv ehiclehas tires of adifferent size than
the size indicated on the Tire and Loading
Information placard or, if available, the tire
pressure label, you should determine the
prope rtire pressure for those tires.
As an added safety feature ,you rv ehicl ehas
been equippe dwithatire pressure monitoring
system (TPMS) that illuminates alow tire pres-
sure telltal ewhen one or more of yourt ires
are significantly underinflated. Accordingly,
when the low tire pressure telltal elights up,
you should stop and check yourt ires as soon
as possible, and inflate them to the proper
pressure. Driving on asignificantly underin-
flated tire cause sthe tire to overhea tand can
leadtot ire failure. Underinflation alsor
educes fuel efficiency
and tire tread life ,and may affect the vehicle's
handling and stopping ability .Please note that
the TPMS is not asubstitute for prope rtire
maintenance, and it is the driver' sresponsi-
bility to maintai ncorrect tire pressure, even if
underinflation has not reache dthe level to
trigger illumination of the TPMS low tire pres-
sure telltale.
Yourv ehiclehas alsob een equippe dwith a
TPMS malfunction indicator to indicate when
the system is not operating properly. The
TPMS malfunction indicator is combined with
the low tire pressure telltale. When the sys-
tem detects amalfunction, the warning lamp
willf lashf or approximatel yaminute and then
remai ncontinuously illuminated. This
sequence willber epeated every time the vehi-
cle is started as long as the malfunction
exists. When the malfunction indicator is illu-
minated, the system may not be abletod etect
or signa llow tire pressure as intended.
TPMS malfunctions may occur for avariety of
reasons, including the installation of incom-
patible replacement or alternate tires or
wheels on the vehicl ethat prevent the TPMS
from functioning properly. Always check the
TPMS malfunction telltal eafter replacing one
or more tires or wheels on yourv ehicleto
ensure that the replacement or alternate Tires
and wheels allow the TPMS to continue to
function properly.
It is the driver' sresponsibility to set the tire
pressure to that recommended for cold tires
which is suitable for the operating situation
(Y page2 53).Note that the correct tire pres-
sure for the current operating situation must
first be taught-in to the tire pressure monitor.
If there is asubstantial loss of pressure, the
warning threshol dfor the warning message is
aligned to the reference values taught-in.
Restart the tire pressure monitor after adjust-
ing the pressure of the cold tires
(Y page2 59).The current pressures are
saved as new reference values. As aresult, a Tire pressure
257Wheelsand tires Z

Tire pressure monito
rwarning mes-
sages If the tire pressure monitor detects
apressure
loss in one or mor etires, awarnin gm essage
is shown in the multifunctio ndisplay and the
yellow tire pressure monitor warnin glamp
come son.
R If the Correc tTireP ressure
Correc tTireP ressure message
appear sinthe multifunctio ndisplay ,the
tire pressure in at leas tone tire is too low
and must be correcte datthe next oppor-
tunity.
R If the Check Tir ePressure
Check Tir ePressure message
appear sinthe multifunctio ndisplay ,the
tire pressure in one or mor etire sh asdrop-
pe ds ignificantl yand the tire smustbe
checked.
R If the TirePressure Warnin gTire
Tir ePressure Warnin gTire
Malfunction
Malfunction message appear sinthe mul-
tifunctio ndisplay ,the tire pressure in one
or mor etire sh asdropped suddenl yand the
tire sm ustbec hecked.
Observe the instructions and safety note sin
the displa ymessage sinthe "Tires" section
(Y page 182).
i If the whee
lposit ions on the vehicl eare
rotated ,the tire pressures ma ybedis-
played for the wrong positions for ashort
time .Thisisr ectifie dafter afew minute sof
driving ,and the tire pressures ar edisplayed
for the correct positions.
Restartin gthe tire pressure monitor When yo
urestar tthe tire pressure monitor, all
existing warnin gmessage saredeleted and
the warnin glam ps go out. The monitor uses
the currentl yset tire pressures as the refer-
ence values for monitoring. In mos tcases, the
tire pressure monitor will automatically
detect the new reference values after you
have change dthe tire pressure. However, you
can also define reference values manuall yas
describe dhere. The tire pressure monitor
then monitors the new tire pressure values. X
Set the tire pressure to the valu erecom-
mended for the corresponding driving sit-
uatio nont he Tire and Loading Information
placard on the driver's side
B-pillar (Y page 253).
Additiona ltire pressure values for different
load scan also be found on the tire pressure
table on the insid eofthe fuel fille rflap
(Y page 253).
X Make sure tha tthe tire pressure is correct
on al lfou rw heels.
X Make sure tha tthe SmartKe yisinposition
2 in the ignition lock.
X Press the 0059or0065 button on the steer-
ing whee ltoselect theServ.
Serv. menu.
X Press the 0063or0064 button to select
Tir ePressure
Tir ePressure.
X Press the 0076button.
The multifunctio ndisplay shows the cur-
rent tire pressure for the individual tire sor
the Tire Tire pressure
pressure will
willbe
bedisplayed
displayed
after drivin gafew minutes
after drivin gafew minutes mes-
sage.
X Press the 0064button.
The Use Curren tPressures as New
Use Curren tPressures as New
Reference Values
Reference Values message appearsin
the multifunctio ndisplay.
If yo uwishtoc onfirm the restart:
X Press the 0076button.
The TirePress. Monito rRestarted
Tir ePress. Monito rRestarted
message appear sinthe multifunctio ndis-
play.
After driving for afew minutes, the system
checks whether the current tire pressures
ar ew ithi nt he specifie drange.The new tire
pressures ar ethena ccepted as reference
values and monitored.
If yo uwishtoc ancel the restart:
X Press the 0038button.
The tire pressure values stored at the last
restar twillc ontinue to be monitored. Tire pressure
259Wheelsand tires Z

Loading th
evehicle Instruction labels for tires and loads
G
WARNING
Overloade dtires can overheat ,causing a
blowout .Overloade dtires can also impair the
steerin gand driving characteristic sand lead
to brak efailure. Ther eisarisk of accident.
Observe th eload rating of th etires. The load
rating must be at least half of th eGAWR of
your vehicle .Never overload th etires by
exceedin gthe maximum load.
Two instruction labels on your vehicle show
th em aximum possible load.
(1) The Tire and Loadin gInformation placard
is on th eB-pillar on th edriver' sside. The
Tire and Loadin gInformation placard
shows th emaximum permissibl enumber
of occupant sand th emaximum permis-
sible vehicle load. It also contain sdetails
of th etires izes and corresponding pres-
sures for tires mounte datthefactory.
(2) The vehicle identification plat eisonthe
B-pillar on th edriver' sside. The vehicle
identification plat einform syou of the
gross vehicle weight rating .Itismade up
of th evehicle weight ,all vehicle occu-
pants, th efuel and th ecargo. You can
also fin dinformatio nabout th emaximum
gross axle weight rating on th efront and
rear axle.
The maximum gross axle weight rating is th em aximum weight that can be carried
by on eaxle (fron torrear axle) .Never
exceed th emaximum load or th emaxi-
mum gross axle weight rating for the
fron torr ear axle. 0043
B-pillar ,driver' sside Maximum permissible gros
svehicle
weight rating X
Specification for maximum gross vehicle
weight 0043is listed in th eTire and Loading
Information placard: "The combine dweight
of occupant sand cargo should never
exceed XXX kilogram sorXXX lbs."
The gross weight of all vehicle occupants,
cargo, luggage and trailer load/noseweight (if
applicable) must no texceed th especified
value.
i The specifications shown on th
eTire and
Loadin gInformation placar dintheillustra-
tio na re examples. The maximum permis-
sible gross vehicle weight rating is vehicle-
specific and may differ from that in the
illustration .You can fin dthe valid maximum
permissibl egross vehicle weight rating for
your vehicle on th eTire and Loadin gInfor-
mation placard. 260
Loading th
evehicleWheels and tires

Tire characteristics
i
Tire data is vehicle-specific and ma
ydevi-
ate fro mthe data in the example.
Thi sinformatio ndescribe sthe tire cord and
the numbe roflayer sins idewall 0043and under
tire tread 0044.
Definition of terms fo rtire sa nd loading Tire ply composition and material used
Describes the numbe rofpliesor the number
of layers of rubber-coate dfabricint he tire
trea dand sidewall .These ar emadeofs teel,
nylon, polyeste rand othe rmaterials.
Bar
Metric uni tfor tire pressure. There are
14.503 8pound sp ersquare inch (psi )to
1b ar;ther eare100 kilopascal s(kPa) to 1bar.
DO T(De partmen tofTransportation)
DOT-marked tire sfulfill the requirements of
the USD epartment of Transportation.
Normal occupant weight
The numbe rofoccupants the vehicl eis
designe dtoseat, multiplied b y68k ilograms
(15 0lbs).
Uniform Tire Quality Grading Standards
Au nifor mstandard to grade the quality of
tire swithr egards to trea dquali ty,tire traction
and temperatur echaracteristics. The quality
grading assessment is made by the manufac-
turer following specifications fro mthe U.S. government. The rating
saremolde dinto the
sidewall of the tire.
Recommende dtire pressures
The recommende dtire pressure for your vehi-
cle under normal driving conditions. Yo uwill
find the recommendatio nonthe Tire and
Loading Informatio nplacard on the B-pillar on
the driver's side of your vehicle. The recom-
mended tire pressure provides the best bal-
ance between handling characteristics, ride
comfort and wear .Supplemental information
pertaining to special driving situations can be
found on the tire inflation pressure labe lon
the insid eofthe fuel fille rflap.
Increase dvehicle weight due to optional
equipment
The combine dweigh tofa llstandard and
optional equipment availabl efor the vehicle,
regardles sofwhether it is actually installed
on the vehicl eornot.
Rim
Thi sist he part of the whee lonwhich the tire
is mounted.
GAWR (Gros sAxleW eight Rating)
The GAW Risthe maximum permissibl eaxle
weight. The actual load on an axl emustn ever
exceed the gross axl eweigh trating .The
gross axl eweigh trating can be found on the
vehicl eide ntification plate on the B-pillar on
the driver's side.
Speed rating
The spee drating is part of the tire identifica-
tion. It specifie sthe spee drange for which the
tire is approved.
GVW (Gros sVehicle Weight)
The gross vehicl eweigh tincludes the weight
of the vehicl eincluding fuel ,tools, the spare
wheel, accessorie sinstalled, occupants, lug-
gage and the drawbar noseweight, if applica-
ble. The gross vehicl eweigh tmustn ot exceed
the gross vehicl eweigh trating (GVWR )as
specifie donthe vehicl eide ntification plate on
the B-pillar on the driver's side. 268
Al
la bout wheels an dtiresWheel sand tires

GVWR (Gross Vehicl
eWeight Rating)
The GVWR is the maximu mpermitted gross
weight of the fullyl oaded vehicle (weight of
the vehicle including all accessories, occu-
pants, fuel,l uggage and the drawbar nose-
weight if applicable).T he gross vehicle weight
rating is specified on the vehicle identification plate on the B-pilla ronthe driver's side.
Maximum loaded vehicle weight
The maximu mweight is the sum of the curb
weight of the vehicle ,the weight of the acces-
sories ,the total loadl imitand the weight of
the optional equipment installed at the fac-
tory.
Kilopascal (kPa)
Metric unit for tire pressure. 6.9 kPa is the
equivalent of 1psi.A nother unit for tire pres-
sure is bar. There are 100 kilopascals (kPa) to
1b ar.
Load index
In addition to the load-bearing index, the load index may alsobei mprinted on the sidewallof
the tire. This specifies the load-bearing capa-
city more precisely.
Curb weight
The weight of avehicle with standard equip-
ment including the maximu mcapacity of fuel,
oil and coolant. It alsoi ncludes the air-condi-
tioning system and optional equipment if
these are installed in the vehicle ,but does not
includ epassengers or luggage.
Maximum load rating
The maximu mloadr ating in kilograms or
pounds is the maximu mweight for which a
tire is approved.
Maximum permissible tire pressure
Maximu mpermissibl etire pressure for one
tire.
Maximum load on one tire
Maximu mloadono ne tire. This is calculated
by dividing the maximu maxle loadofo ne axle
by two. PSI (pounds per square inch)
As
tandard unit of measure for tire pressure.
Aspec tratio
Relationshi pbetwee ntire heigh tand tire
width in percent.
tire pressure
This is pressure inside the tire applying an
outward force to each square inch of the tire's surface. The tire pressure is specified in
pounds per square inch (psi), in kilopascal
(kPa) or in bar. The tire pressure shoul donly
be corrected when the tires are cold. For this,
the vehicle must have been stationary for at
least three hours or not have traveled more
than 1.6 km (1 mile)int his time.
Tire pressure of coldt ires
The tires are cold:
R if the vehicle has been parked without
direct sunlight on the tires for at least three
hours and
R if the vehicle has not been driven more than
1m ile (1.6 km)
Tread
The part of the tire that comes into contact
with the road.
Bead
The tire beade nsures that the tire sits
securel yonthe wheel. There are severa lsteel
wiresint he beadtop revent the tire from
coming loose from the wheelr im.
Sidewall
The part of the tire betwee nthe tread and the
bead.
Weight of optional extras
The combined weight of those optional extras
that weigh more than the replaced standard
part and more than 2.3 kilograms (5 lbs).
These optional extras, such as high-perform-
ance brakes, level control, aroof rack or a
high-performance battery, are not included in Alla
bout wheels and tires
269Wheelsand tires Z

X
Tighten the wheel bolts until they are fin-
ger-tight.
X Unscrew the alignment bolt.
X Tighten the last wheel bolt until it is finger-
tight.
Lowering the vehicle G
WARNING
The wheels could work loose if the wheel nuts and bolts are not tightened to the specified
tightening torque. There is arisk of accident.
Have the tightening torque immediately
checked at aqualified specialist workshop
after awheel is changed.
X Turn the crank of the jack counter-clock-
wise until the vehicle is once again standing
firmly on the ground.
X Place the jack to one side. X
Tighten the wheel bolts evenly in across-
wise pattern in the sequence indicated ( 0043
to 0083). The specified tightening torque is
133 lb-ft(180 Nm).
X Turn the jack back to the out-of-use posi-
tion and stow it in the trunk again with the
rest of the wheel-changin gtools. Wheel and tire combinations
General notes
! For safety reasons, Mercedes-Benz rec-
ommends that you only use tires and
wheels which have been approved by Mercedes-Benz specifically for your vehi-
cle.
These tires have been specially adapted for
use with the control systems, such as ABS
or ESP ®
,a nd are marked as follows:
R MO =Mercedes-Benz Original
R MOE =Mercedes-Benz Original Extended
(tires featuring run-flat characteristics)
R MO1 =Mercedes-Benz Original (only cer-
tain AMG tires)
Mercedes-Benz Original Extended tires
may only be used on wheels that have been
specifically approved by Mercedes-Benz.
Only use tires, wheels or accessories
tested and approved by Mercedes-Benz.
Certain characteristics, e.g. handling, vehi-
cle noise emissions or fuel consumption,
may otherwise be adversely affected. In
addition, when driving with aload, tire
dimension variations could cause the tires
to come into contact with the bodywork
and axle components. This could result in
damage to the tires or the vehicle.
Mercedes-Benz accepts no liability for
damage resulting from the use of tires,
wheels or accessories other than those
tested and approved.
Information on tires, wheels and approved
combinations can be obtained from any
qualified specialist workshop.
i The Tire and Load Information placard
with the recommended tire pressures is on the B-pillar on the driver's side. Further
information about driving at high speeds or driving with vehicle loads that are lighter
than the maximum vehicle load can be
found in the tire pressure table on the
inside of the fuel filler flap. Check tire pres- sures regularly, and only when the tires arecold. Comply with the maintenance recom-
mendation softhe tire manufacturer. These
are located in the vehicle document wallet.
Further information on recommended tire
pressures as well as tire pressures for spe-
cific driving situations, see (Y page 253). Wheel and tirec
ombinations
275Wheels and tires Z

Example: vehicl
eide ntification plate (Canada only)
0044 VIN
0087 Paint code
i The data shown on the identificatio
nplate
is exampl edata. Thi sdataisd ifferent for
every vehicl eand can deviate from the data
shown here. Yo ucan find the data applica-
bl etoy ourv ehicl eont he vehicl eide ntifi-
cation plate. VIN
X
Slide the right-hand front sea ttoits rear-
mos tposit ion.
X Fol dfloor covering 0043upwards.
Yo uw ills ee VIN 0044.
Additionally, the vehicl eide ntificatio nnum-
be r(VIN) can be found in the following loca-
tions:
R on the vehicl eide ntificatio nplate
(Y page 280)
R on the lowe redgeoft he windshield
(Y page 281) Engine number
0043
Emission contro linformatio nplate,
including the certificatio nofbothf ederal
and Californian emissions standards
0044 VIN (o nthe lowe redgeoft he windshield)
0087 Engine numbe r(stamped into the crank-
case) Servic
eproducts and filling capaci-
ties Important safety notes
G
WARNING
Service products ma ybepoisonousand haz-
ardous to health .There is ariskofi njury.
Compl ywithi nstructions on the use, storage
and disposa lofservic eproducts on the labels
of the respective original containers. Always
stor eservic eproducts seale dintheiroriginal
containers. Alway skeeps ervic eproducts out
of the reach of children. H
Environmental note
Dispose of servic eproducts in an environ-
mentall yresponsibl emanner.
Service products includ ethe following:
R Fuels
R Lubricants (e.g. engine oil, transmission oil)
R Coolant
R Brake fluid
R Windshield washe rfluid
R Climate contro lsystem refrigerant Servic
eproducts and filling capacities
281Technicaldata Z

Components and servic
eproduct smust be
matched. You should therefor eonlyu se prod-
uct sthath ave been tested and approve dby
Mercedes-Benz.
Information on tested and approve dproducts
can be obtaine datanauthorizedMercedes-
Ben zCente roront heInternet at
http://bevo.mercedes-benz.co m.
You can recognize service products approved
by Mercedes-Ben zbythe followin ginscrip-
tion on the containers:
R MB-Freigabe (e.g. MB-Freigabe 331.0)
R MB-Approval (e.g. MB-Approval 331.0)
Other designation sorrecommendations indi-
cat eal evel of quality or aspecification in
accordance with an MB Shee tNumber (e.g.
MB 331.0). They have not necessarily been
approved by Mercedes-Benz. Fuel
Important safet ynotes G
WARNING
Fuel is highly flammable. If you handle fuel
incorrectly, there is arisk of fire and explo-
sion.
You must avoid fire, open flames ,creating
spark sand smoking. Switch off the engine
and, if applicable, the auxiliary heatin gbefore
refueling. G
WARNING
Fuel is poisonous and hazardous to health.
There is arisk of injury.
You must make sure that fuel does not come int oc ontac twith your skin ,eyes or clothing
and that it is not swallowed. Do not inhale fuel
vapors .Keep fuel away fro mchildren. If you or others com
eintoc ontac twith fuel,
observe the following:
R Wash away fuel fro mskin immediately
using soap and water.
R If fuel comes int ocontac twith your eyes,
immediately rinse the mthoroughly with
clean water .Seek medical assistanc ewith-
out delay.
R If fuel is swallowed, seek medical assis-
tance without delay. Do not induc evomit-
ing.
R Immediately change out of clothing which
has com eintoc ontac twith fuel.
Tank capacity Total capacity
22.
5gal (85 l) Of which reserve
Approx. 3.
7gal (14 l) Gasoline
Fuel grade
!
Do not use diesel to refuel vehicles with a
gasolin eengine. Do not switc honthe igni-
tion if you accidentally refuel with the
wron gfuel. Otherwise, the fuel will enter
the fuel system. Even small amount softhe
wron gfuel could result in damage to the
fuel system and the engine. Notify aquali-
fied specialist workshop and have the fuel
tan kand fuel lines drained completely.
! Only refuel using unleaded gasolin
ewith a
minimum octane rating of 91.
! To ensure the longevit
yand full perform-
anc eoft he engine, only premium-grade
unleaded gasolin emust be used.
If standard unleaded gasolin eisunavaila-
ble and you have to refuel with unleaded
gasolin eofalower grade, observe the fol-
lowing precautions:
R Only fill the fuel tan ktohalf full with reg-
ular unleaded gasolin eand fill the rest 282
Service product
sand filling capacitiesTechnica ldata