2018 MERCEDES-BENZ SLC ROADSTER jump cable

Battery (vehicle)
Important safety notes
Specialtool sand expert knowledg eare required
when working on the battery ,e.g.r emovala nd
installation. Yo ushoul dtherefore have al lwork
involving the battery carrie doutataq uali fied
specialist workshop.
GWARNING
Wor kcarrie doutincorrectly on the battery
can lead ,for example, to ashort circui tand
thusd amagethe vehicl eelectronics .Thisc an
lead to functio nrestrictions applying to
safety-relevant systems, e.g .the lighting sys-
tem, the ABS (anti-lock braking system )orthe
ESP
®(Electronic Stability Program). The oper-
ating safety of your vehicl emaybe restricted.
Yo uc ould lose controloft he vehicle, for
example:
Rwhen braking
Rin the event of abrupt steering maneuvers
and/or when the vehicle's speed is not
adapted to the roadc onditions
There is ariskofana ccident.
In the event of ashort circui torasimilar inci-
dent, contact aquali fied specialist workshop
immediately. Do not drive any further .You
shoul dhavea llwork involving the battery car-
rie do utataq uali fied specialist workshop.
For further informatio nabout ABS and ESP
®,
see (Ypage 57 )and (Ypage 60).
GWARNING
Electrostati cbuild -upc an lead to the creation
of sparks, which could ignite the highl yexplo-
sive gases of abattery.T here is ariskofa n
explosion.
Before handling the battery ,touch the vehicle
body to remove any existing electrostatic
build-up.
The highl yflammabl egasmixture form swhen
charging the battery as well as when jump-start-
ing. Alway
smakes uret hatn either yo unor the bat-
tery is electrostaticall ycharged. Abuild -upo f
electrostatic charge can be caused ,for exam-
ple:
Rby wearing clothing made from synthetic
fibers
Rdu etof rictionbetween clothing and seats
Rif yo upushorp ullt he battery across the car-
pe toro thersyntheti cmaterials
Rif yo uwipet he battery with acloth
GWARNING
During the charging process ,abattery produ-
ces hydrogen gas. If ashort circui toccurs or
sparks are created,t he hydrogen gascan
ignite .There is ariskofane xplosion.
RMake sure thatt he positive terminal of a
connected battery does not come into con- tact with vehicl eparts.
RNever place meta lobjects or tool sonabat-
tery.
RIt is important thaty ouobserve the descri-
be do rder of the battery terminal swhen
connecting and disconnecting abattery.
RWhe njump-starting ,makes uret hatt he
battery pole swithi de ntical polarity are
connected.
RIt is particularly important to observe the
describe dorder when connecting and dis-
connecting the jumper cables.
RNever connect or disconnect the battery
terminal swhile the engine is running.
GWARNING
Battery aci discaustic .There is ariskofi njury.
Avoidc ontact with skin, eyes or clothing. Do
not inhal eany battery gases .Donot lean over
the battery .Keepc hildren away from batter-
ies. Wash away battery aci dimmediatelyw ith
plenty of clean water and see kmedica latten-
tion.
HEnvironmental note
Batterie scontain pollu-
tants .Itisi llegalto dispose
of them with the household
Battery (vehicle)251
Breakdo wn assis tance
Z

GWARNING
During the charging process,ab attery produces hydrogen gas. If ashort circui toccurs or sparks
are created ,the hydrogen gas can ignite. There is arisk of an explosion.
RMake sure that the positive terminal of aconnected battery does not come into contact with
vehiclep arts.
RNever place metal objects or tools on abattery.
RIt is important that you observe the described order of the battery terminal swhen connecting
and disconnecting abattery.
RWhen jump-starting, make sure that the battery polesw ith identical polarity are connected.
RIt is particularlyimportant to observe the described order when connecting and disconnecting
the jumper cables.
RNever connect or disconnect the battery terminal swhile the engine is running.
GWARNING
Ad ischarged battery can freeze at temperatures below freezing point. When jump-starting the
vehicleorc harging the battery,g asescan escap efrom the battery.T here isarisk of an explosion.
Allow the frozen battery to thaw out before charging it or jump-starting.
!Avoid repeated and lengthy starting attempts. Otherwise, the catalytic converter coul dbe
damaged by the non-combusted fuel.
If the indicator/warning lamp sdonot light up at low temperatures, it is very likelyt hat the dis-
charge dbattery has frozen. In this case, you may neither charge the battery nor jump-start the
vehicle. The service life of athawed-out battery may be shorter. The starting characteristics can be
impaired,p articularlyatlow temperatures. Have the thawed-out battery checked at aqualified
specialist workshop.
Do not start the vehicleu singarapi dc harging device. If you rvehicle's battery is discharged, the
engine can be jump-started from another vehicleorf romasecond battery using jumper cables.
Observe the following points:
RThe battery is not accessible in all vehicles. If the other vehicle's battery is not accessible,j ump-
start the vehicleu singasecond battery or ajump-starting device.
RYou may only jump-start the vehiclew hen the engine and exhaust system are cold.
RDo not start the engine if the battery is frozen. Let the battery thaw first.
ROnly jump-start from batterieswitha12Vv oltagerating.
ROnly use jumper cables which have asufficient cross-section and insulated terminal clamps.
RIf the battery is full ydischarged, leave the battery that is being used to jump-start connected for
af ew minutes before attempting to start. This charge sthe battery slightly.
RMake sure that the two vehicles do not touch.
Make sure that:
RThe jumper cables are not damaged.
RBare parts of the terminal clamp do not come into contact with other metal parts while the jumper
cables are connected to the battery.
RThe jumper cables cannot come into contact with parts which can move when the engine is
running, such as the V-belt pulley or the fan.
XSecure the vehiclebyapplying the electric parking brake.
XShift the transmission to position j.
254Jump-starting
Breakdown assistance

XMake sure that the ignition is switched off. All indicator lamps in the instrumentcluster must be
off. When using the SmartKey, turn the SmartKey to position uin the ignition lock and remove it
(
Ypage 116).
XSwitch off all electrical consumers, e.g. rear window defroster, lighting, etc.
XOpen the hood.
Position number Bidentifies the charged battery of the other vehicle or an equivalent jump-starting
device.
XSlide cover :of positive terminal ;in the direction of the arrow.
XConnect positive terminal ;on your vehicle to positive terminal =of donor battery Busing the
jumper cable, always begin with positive terminal ;on your own vehicle first.
XStart the engine of the donor vehicle and run it at idling speed.
XConnect negative terminal ?of donor battery Bto ground point Aof your vehicle using the
jumper cable, connecting the jumper cable to battery of other vehicle Bfirst.
XStart the engine.
XBefore disconnecting the jumper cables, let the engine run for several minutes.
XFirst, remove the jumper cables from ground point Aand negative terminal ?,then from pos-
itive terminal ;and positive terminal =.Begin each time at the contacts on your own vehicle
first.
XClose cover :of positive terminal ;after removing the jumper cables.
XHave the battery checked at aqualified specialist workshop.
Jump-starting is not considered to be anormal operating condition.
iJumper cables and further information regarding jump-starting can be obtained at any qualified
specialist workshop.
Jump-starting255
Breakdown assistance
Z

Transporting the vehicle
Vehicle switha utomatic transmission
!When the vehicl eisloaded for transport, the
front and rea raxles must be stationar yand on
the same transportatio nvehicle. Positioning
ove rthe connectio npoint of the transport
vehicl eisnot permitted .The drive train may
otherwis ebedamaged .
Allv eh icles
!Youm ayonl ysecur ethe vehicl ebythe
wheels ,not by parts of the vehicl esucha s
axl eors teerin gcomponents. Otherwise, the
vehicl ecould be damaged.
The towing ey ecan be used to pull the vehicle
onto atrailer or transporte rfor transporting pur-
poses.
XTurn the SmartKeytop osition 2in the igni-
tio nlock.
XShift the transmission to position i.
As soon as the vehicle has been loaded:
XPrevent the vehicl efromr olling away by
applying the electri cparkin gb rake.
XShift the transmission to position j.
XTurn the SmartKeytoposition uin the igni-
tio nlocka nd remove the SmartKeyf romthe
ignition lock.
XSecure the vehicle.
Tow-starting (emergency engine
starting)
!
Vehicles with automatic transmission must
not be tow-started .You could otherwis edam -
ag et he automatic transmission. Yo
uc an find informatio non"Jump-starting "at
(
Ypage 253).
Fuses
Important safety notes
GWARNING
If yo umanipulate or bridg eafaulty fuse or if
yo ur eplace it with afusew ithah ighe ramper -
age, the electri ccable scould be overloaded.
Thi scould resul tinafire. There is ariskofa n
accident and injury.
Alway sreplace faulty fuses with the specified
new fuses havin gthe correct amperage.
Blown fuses must be replaced with fuses of the
same rating ,which yo ucan recognize by the
color and value. The fuse rating sarelisted in the
fuse allocation chart.
The fuse allocation chart is locate dinthe vehicle
tool kit in the stowag ecompartment under the
trunk floor (
Ypage 245).
If an ewly inserte dfusea lsob lows ,havet he
cause traced and rectifie dataqualified special-
is tw orkshop ,e.g.ana uthorize dMercedes-Benz
Center.
!Onlyu sefuses thath aveb eena pproved for
Mercedes-Benz vehicles and which have the
correct fuse rating for the system concerned.
Otherwise, components or system scould be
damaged.
!Make sure thatnom oisture can enterthe
fuse bo xwhent he cove risopen.
!When closing the cover, make sure thatiti s
lying correctl yonthe fuse box. Moisture seep-
ing in or dirt could otherwis eimpai rthe oper-
atio
n of the fuses.
The fuses in your vehicl eserve to close down
faulty circuits. If afuseb lows ,allthe compo-
nents on the circui tand their functions stop
operating.
Before changin gafuse
XSwitch off the engine.
XSwitch off al lelectrical consumers.
258Fuses
Breakdow nassistance