2018 MERCEDES-BENZ SLC ROADSTER warning

An arrow on the sidewall of the tire indicates its
correct direction of rotation.
Storingwheels
Store wheels thata renot being used in acool,
dry and preferably dark place .Protect the tires
from oil, grease, gasoline and diesel.
Mounting awheel
Preparin gthe vehicle
XStop the vehicl eonsolid,non-slippery and
level ground.
XApply the electri cparking brake manually.
XBring the front wheels into the straight-ahead
position.
XShift the transmission to position j.
XSwitch off the engine.
XVehicles withoutKEYLESS -GO:remove the
SmartKeyf rom the ignition lock.
XVehicles with KEYLESS-GO: open the driv-
er' sd oor.
The vehicl eelectronics now have status 0.
Thi sist he same as the SmartKeyh aving been
removed.
XVehicles with KEYLESS-GO: remove the
Start/Stop button from the ignition lock
(
Ypage 116).
XIf included in the vehicl eequipment ,remove
the tire-change tool kit from the vehicle.
XSafeguar dthe vehicl eagain st rolling away.
iDue to difference sinvehicleequipment ,not
al lv ehicles ar eequippe dwithat ire-change
tool kit. For informatio nonwhich tool sare
required to performaw heelchange on your
vehicle, consult an authorize dMercedes-
Benz Center.
Necessary tire-changing tool scan include, for
example:
RJack
RWheel chock
RLugw rench
Securin gthe vehicle to preven titfrom
rolling away
If your vehicl eisequippe dwithaw heelchock, it
can be found in the tire-change tool kit
(
Ypage 245).
The folding whee lchoc kisana dditional safety
measure to prevent the vehicl efrom rolling
away ,for exampl ewhenc hanging awheel .
XFoldb othp late su pwar ds:.
XFoldo utlowe rplate ;.
XGuid ethe lugs on the lowe rplate full yinto the
openings in base plate =.
XPlace chocks or others uitabl eitems under
the front and rea rofthe whee lthati sdiago -
nally opposite the whee lyou wish to change.
Raisin gthe vehicle
GWARNING
If yo udon ot positio nthe jack correctl yatthe
appropriate jacking point of the vehicle, the
jack could tip overw itht he vehicl eraised.
There is ariskofi njury.
Onlyp ositiont he jack at the appropriate jack-
ing point of the vehicle. The base of the jack
Changin gawheel281
Wheel sand tires
Z

XPosition jack?at jacking point =.
XMake sure the foot of the jack is directly
beneath the jacking point.
XTurn crankAclockwise until jack ?sits
completely on jacking point =.The base of
the jack must lie evenly on the ground.
XTurn crank Auntil the tire is raised amaxi-
mum of 1.2 in (3 cm) from the ground.
Removing awheel
!Do not place wheel bolts in sand or on adirty
surface. The bolt and wheel hub threads could
otherwise be damaged when you screw them
in.
XUnscrew the uppermost wheel bolt com-
pletely.
XScrew alignment bolt :into the thread
instead of the wheel bolt.
XUnscrew the remaining wheel bolts fully.
XRemove the wheel.
Mounting anew wheel
GWARNING
Oiled or greased wheel bolts or damaged
wheel bolts/hub threads can cause the wheel bolts to come loose. As aresult, you could
lose awheel while driving. There is arisk of
accident.
Never oil or grease wheel bolts. In the event of
damage to the threads, contact aqualified
specialist workshop immediately. Have the
damaged wheel bolts or hub threads
replaced/renewed. Do not continue driving.
GWARNING
If you tighten the wheel bolts or wheel nuts
when the vehicle is raised, the jack could tip
over. There is arisk of injury.
Only tighten the wheel bolts or wheel nuts
when the vehicle is on the ground.
Always pay attention to the instruction sand
safety notes in the "Changing awheel" section
(
Ypage 280).
Only use wheel bolts that have been designed
for the wheel and the vehicle. For safety rea-
sons, Mercedes-Benz recommends that you
only use wheel bolts which have been approved for Mercedes-Benz vehicles and the respective
wheel.
!To prevent damage to the paintwork ,hold
the wheel securely against the wheel hub
while screwing in the first wheel bolt.
Changing awheel283
Wheels and tires
Z

XClean thewheel and wheel hub contact sur-
faces.
XSlid ethe wheel to bemounte dontot he align-
men tbolt and push iton.
XTighte nthe wheel boltsuntilthey are finger-
tight.
XUnscrew th ealignmen tbolt.
XTighte nthe last wheel boltuntil it is finger-
tight.
XVehicles with acollapsible spa rewheel:
inflate th ecollapsible sparewheel
(
Ypage 286).
Only then lower th evehicle .
Lowering th evehicle
GWAR NING
The wheelsc ouldwork looseift hewheel nuts
and boltsare no ttightened to th especifie d
tightening torque. Thereisar iskofa cciden t.
Hav ethe tightening torque immediately
checked at aqualified specialist workshop
after awheel ischanged.
!Vehicles with acollapsible spa rewheel:
before lowering th evehicle ,inflate th ecol-
lapsible sparewheelwiththe tirei nflation
compressor. The wheel rim could otherwise
be damaged.
XTurn th ecrank of th ejackc ounter-clock wise
unt ilth ev ehicle is once again standing firmly
on th eground.
XPlacet hejacktoo neside.
XTighte nthe wheel boltse venlyinac rosswise
pattern inthes equenc eindicated (: toA).
The specifie dtightening torque is 96lb-ft
(1 30 Nm) .
XTurn th ejackb ack to its initial position.
XStow th ejac ka nd th erestoft hevehicle tools
in thet runk again.
XVehicles with AMG equipment: insert the
cover int othe outer sill.
XCheckt hetirep ressureoft henewly mounted
wheel and adjust it if necessary.
Observ ethe recommended tir epressure
(
Ypage 263).
When you are driving withthe collapsible spare
wheel mounte d,thet irep ressurel oss warning
system or th etirep ressurem onitorcanno tfunc-
tio nr eliably. Only restartthe tirep ressurel oss
warning system or tir epressurem onitorwhen
th ed efective wheel has been replace dwitha
ne ww heel.
Vehicles with atirep ressure control sys-
tem: all installed wheelsm ust be equippedwith
functioning sensors.
Wheel and tir ecombinations
You can ask for informatio nregardin gpermitted
wheel/t ire combinations at an authorized
Mercedes-Ben zCenter.
!For safety reasons, Mercedes-Ben zrecom-
men dsthat you only use tires and wheels
whichh ave been approvedbyM ercedes-Benz
specifically for your vehicle.
284Wheel and tir ecombinations
Wheels and tires

These tires have been specially adapted for
use with the control systems, such as ABS or
ESP
®,and are marked as follows:
RMO = Mercedes-Benz Original
RMOE = Mercedes-Benz Original Extended
(tires featuring run-flat characteristics)
RMO1 = Mercedes-Benz Original (only cer-
tain AMG tires)
Mercedes-Benz Original Extended tires may
only be used on wheels that have been spe-
cifically approved by Mercedes-Benz.
Only use tires, wheels or accessories tested
and approved by Mercedes-Benz.C ertain
characteristics, e.g. handling, vehicle noise
emissions or fuel consumption, may other-
wise 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 vehi- cle.
Mercedes-Benz accepts no liability for dam-
age 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 quali-
fied specialist workshop.
!Retreaded tires are neither tested nor rec-
ommended by Mercedes-Benz,s ince previ-
ous damage cannot alwaysbed etected on
retreaded tires. As aresult, Mercedes-Benz
cannot guarantee vehicle safety if retreaded
tires are mounted. Do not mount used tires if
you have no information about their previous
usage.
The recommended pressures for various oper-
ating conditions can be found:
Ron the Tire and Loading Information placard
on the B-pillar on the driver's side
Rin the tire pressure table on the fuel filler flap
Observe the notes on recommended tire pres-
sures under various operating conditions
(
Ypage 263).
Check tire pressures regularly, and only when
the tires are cold. Comply with the maintenance
recommendations of the tire manufacturer in
the vehicle document wallet. Notes on the vehicle equipment
–alwayse quip
the vehicle:
Rwith tires of the same size on agiven axle (left
and right)
Rwith the same type of tires at agiven time
(summer tires, winter tires, MOExtended
tires)
Exception: it is permissible to mount adiffer-
ent type or make in the event of aflat tire.
Observe t

he "MOExtended tires (tires with
run-flat characteristics)" section
(
Ypage 247).
Vehicles equipped with MOExtended tires are
not equipped with aTIREFIT kit at the factory. It
is therefor erecommended that you additionally
equip your vehicle with aTIREFIT kit if you mount
tires that do not feature run-flat characteristics,
e.g. winter tires. ATIREFIT kit may be obtained
from aqualified specialist workshop.
Emergency sparew heel
Important safety notes
GWARNING
The wheel or tire size as well as the tire type of the spare wheel or emergencys pare wheel
and the wheel to be replaced may differ.
Mountin ganemergencys pare wheel may
severely impair the driving characteristics.
There is arisk of an accident.
To avoid hazardous situations:
Radapt your driving style accordingly and
drive carefully.
Rnever mount more than one spare wheel or
emergencys pare wheel that differs in size.
Ronly useaspare wheel or emergencys pare
wheel of adifferent size briefly.
Rdo not switch ESP®off.
Rhave aspare wheel or emergencys pare
wheel of adifferent size replaced at the
nearest qualified specialist workshop.
Observe that the wheel and tire dimensions
as well as the tire type must be correct.
When using an emergencys pare wheel or spare
wheel of adifferent size, you must not exceed
the maximum speed of 50 mph (80 km/h).
Emergency sparew heel285
Wheels and tires
Z

Snow chains mustnot be mounted on emer-
gency spare wheels.
General notes
You can as kfor information regarding permitted
emergency spare wheel satanauthorized
Mercedes-Benz Center.
You shoul dregularl ycheck the pressure of the
emergency spare wheel ,particularly prior to
long trips, and correct the pressure as neces-
sary (
Ypage 263). The value on the wheel is
valid.
An emergency spare wheel may also be moun-
ted against the direction of rotation. Observe
the time restriction on us easwellast he speed
limitation specified on the emergency spare
wheel.
Replace the tire saftersix years at the latest,
regardless of wear. Thisa lsoa pplies to the
emergency spare wheel.
Wheny ouare driving with the collapsibl espare
wheel mounted, the tire pressure loss warning
system or the tire pressure monitor canno tfunc-
tion reliably. Only restart the tire pressure loss
warning system or tire pressure monitor when
the defectiv ewheel hasb eenr eplaced with a
new wheel.
Vehicles with tire pressure monitor: after
mounting an emergency spare wheel ,the sys-
tem may stil ldisplay the tire pressure of the
removed wheel for afew minutes. The value dis-
played for the mounted emergency spare wheel
is not the same as the current tire pressure of
the emergency spare wheel.
Removin gthe emergencys pare wheel
Vehicles with acolla psibles pare wheel
The collapsibl espare wheel can be found in the
stowag ewellu nder the trunk floor (Ypage 221).
XTurn retaining screw ;counter-clockwise
and remove it.
XRemove collapsibl espare wheel :.
Alway sobserve the instructions and safety
notes in the "Mounting awheel"s ection
(
Ypage 281).
Stowin gthe emergencys pare wheel
!
Only place the collapsibl espare wheel in the
vehicl ewhenitisd ry.O therwise, moisture
may get into the vehicle.
Take the following stepstos towausedc ollaps-
ible spare wheel .Otherwise, the collapsible
spare wheel will not fit in the trunk in the inten-
ded manner. Mercedes-Benz recommendst hat
yo uh avet his work carrie doutataq uali fied
specialist workshop.
XUnscrewt he valve cap from the valve.
XIf possible ,unscrew the valve insert from the
valve and release the air.
Fully deflating the tire scan take afew
minutes.
XScrew the valve insert back into the valve.
XScrew the valve cap back on.
XPull the protectiv esheet provided with the
spare wheel overt he collapsiblespare wheel.
XStow the collapsibl espare wheel in the emer-
gency spare wheel well under the trunk.
XUse the retaining screwtop ierce the protec-
tive sheet and fasten the collapsibl espare
wheel in place.
Inflating the collapsibles pare wheel
!
Inflate the collapsibl espare wheel using the
tire inflation compressor before lowering the
286Emergencys pare wheel
Wheels and tires

from the data shownhere. You can find the
data applicable to you rvehicleont he vehicle
identificatio nplate.
Vehicle identification number (VIN)
XSlid ethe front-passenger seattoi ts front
most position.
XFold trim :upwards.
VIN ;can be seen.
The VIN can als obefound in the following loca-
tions:
Ron the vehiclei dentificationplate
(Ypag e289)
Ron the lower edge of the windshield
(Ypag e290)
Engine number
:Emissionc ontrol information plate, includ-
ing the certification of both federala nd Cali-
forniane missions standards
;Engine numbe r(stamped into the crank-
case)
=VIN (on the lower edge of the windshield)
Service products and filling capaci-
ties
Important safety notes
GWARNING
Service products may be poisonousa nd haz-
ardous to health. There is arisk of injury.
Comply with instructions on the use ,storage
and disposal of service products on the labels
of the respective original containers. Always
store service products sealed in their original
containers. Always keep service products out
of the reach of children.
HEnvironmental note
Disposeofs ervice products in an environ-
mentall yresponsiblem anner.
Service products include the following:
RFuels
RLubricants (e.g. engine oil,t ransmission oil)
RCoolant
RBrake fluid
RWindshieldwasher fluid
RClimate control syste mrefrigerant
Comply with all vali dregulations with respect to
handling, storing, and disposing of service flu-
ids.
Components and service products must match.
You should therefore only use products that
have been tested and approved by Mercedes-
Benz.
Informatio nabout tested and approved prod-
ucts can be obtained from an authorized
Mercedes-Benz Center or on the Internet at
http://bevo.mercedes-benz.com.
You can identify service products approved by
Mercedes-Benz by the following inscriptions on
the container:
RMB-Freigabe (e.g. MB-Freigabe 229.51)
RMB-Approval( e.g. MB-Approval2 29.51)
Other designations or recommendations indi-
cate alevelofq uality or aspecificatio nin
accordance with an MB Sheet Number (e.g. MB
229.51). They have not necessarily been
approved by Mercedes-Benz.
290Service products and filling capacities
Technical data

Other identifications, for example:
R0W-30
R5W-30
R5W-40
Fuel
Important safety notes
GWARNING
Fuel is highly flammable. Improper handling of
fuel creates arisk of fire and explosion.
Avoid fire, open flames, smoking and creating
sparks under all circumstances. Switch off the
engine and, if applicable, the auxiliary heating
before refueling.
GWARNING
Fuel is poisonous and hazardous to health.
There is arisk of injury.
You must make sure that fuel does not come into contact with your skin, eyes or clothing
and that it is not swallowed. Do not inhale fuel
vapors. Keep fuel awayf rom children.
If you or others come into contact with fuel,
observe the following:
RWash awayf uel from skin immediately
using soap and water.
RIf fuel comes into contact with your eyes,
immediately rinse them thoroughly with
clean water. Seek medical assistance with-
out delay.
RIf fuel is swallowed, seek medical assis-
tance without delay.Don ot induce vomit-
ing.
RImmediately change out of clothing which
has come into contact with fuel.
Tank capacity
ModelTotal capa- city
SLC 30018.5 US gal(70.0 l)
Mercedes‑AM Gvehicles15.8 US gal
(60.0 l)
ModelOf which
reserve
SLC 300Approx.
2.4 US gal (9.0 l)
Mercedes‑AM GvehiclesApprox.
2.1 US gal (8.0 l)
Gasoline
Fuel grade
!Do not use diesel to refue lvehicles with a
gasoline engine. Do not switch on the ignition
if you accidentally refue lwith the wrong fuel.
Otherwise, the fuel wille nter the fuel system.
Even smal lamounts of the wrong fuel could
resul tind amage to the fuel system and the
engine. Notify aqualified specialist workshop
and have the fuel tank and fuel lines drained
completely.
!Only refue lusing unleaded premium grade
gasoline with at least 91 AKI/95 RON.
iE10 fuel contains up to 10% bioethanol.
Yourv ehicleisE 10-compatible. You can
refue lyou rv ehicleu sing E10 fuel.
!Only use the fuel recommended. Operating
the vehiclew ith other fuelscan leadtod am-
age to the fuel system, engine and exhaust
system.
!Do not use the following:
RGasoline with more than 10% ethanol
RE100 (100% ethanol)
RGasoline with methanol
RM100 (100% methanol)
RGasoline with metalliferous additives
RDiesel
Service products and fillingc apacities291
Technical data
Z

ModelMB-Freigabe orMB-Approval
All models229.5
iMB approval is indicated on the oil contain-
ers.
Fillingc apacities
The following values refer to an oil change
including the oil filter.
ModelCapacity
SLC 3006.7 US qt (6.3 l)
Mercedes-AMG
SLC 436.9 US qt (6.5l)
Additives
!Do not us eany additive sinthe engine oil.
Thisc ould damag ethe engine.
Brake fluid
GWARNING
The brake fluid constantly absorbsm oisture
from the air. Thisl owersthe boiling point of
the brake fluid .Ifthe boiling point of the brake
fluid is too low, vapor pockets may form in the
brake system when the brakes are applied
hard. Thisw ouldimpai rbraking efficiency.
There is ariskofana ccident.
Yo us houl dhavet he brake fluid renewe dat
the specified intervals.
Whe nhandling brake fluid ,observe the impor-
tant safety notes on service products
(
Ypage 290).
The brake fluid change interval scan be found in
the Maintenance Booklet.
Only us ebrake fluid approved by Mercedes-
Benz in accordance with MB-Freigab eorMB-
Approval3 31.0.
Information abouta pproved brake fluid can be
obtaine datany qualified specialist workshopo r
on the Interneta t
http://bevo.mercedes-benz.co m.
iHave the brake fluid regularly replaced at a
qualified specialist workshop and the replace-
ment confirmed in the Maintenance Booklet.
Coolant
Importan tsafety notes
GWARNING
If antifreeze comes into contact with hot com- ponents in the engine compartment, it may
ignite. There is arisk of fire and injury.
Let the engine cool downb efore youadd anti-
freeze.M ake surethat antifreeze is not spilled
next to the filler neck. Thoroughly clea nthe
antifreeze from components before starting
the engine.
!Only ad dcoolant that has beenp remixed
with the desire dantifreeze protection. You
coul dotherwise damag ethe engine.
Furthe rinformatio noncoolants can be found
in the Mercedes-Benz Specifications for Ser-
vice Products, MB BeVo 310.1, e.g. on the
Internet at
http://bevo.mercedes-benz.com.Orc on-
tact aqualifie dspecialist workshop.
!Always use asuitabl ecoolant mixture, even
in countries where hig htemperatures prevail.
Otherwise ,the engine cooling system is not
sufficiently protected from corrosion and
overheating.
iHave the coolant regularly replaced at a
qualified specialist workshop and the replace-
ment confirmed in the Maintenance Booklet.
Comply with the important safety precautions
for service products whe nhandling coolant
(
Ypage 290).
The coolant is amixture of water and anti-
freeze/corrosion inhibitor. It is responsible for
the following:
Ranti-corrosion protection
Rantifreeze protection
Rraising the boiling point
If the coolant has antifreeze protection downt o
-35 ‡(-37† ), the boiling point of the coolant
during operation is approximatel y266 ‡
(130 †).
Service products and filling capacities293
Technical data
Z