clock MERCEDES-BENZ SL-CLASS ROADSTER 2013 Owner's Manual

X
Switch off all electrical consumers (e.g. radio, blower, etc.).
X Open the hood (Y page 496). Position number
B identifies the charged battery of the other vehicle or an equivalent jump-
starting device.
X Press cover : of positive terminal ; down (in the direction of the arrow) and turn it
clockwise. Cover : is held down in the lowered position, which exposes positive
terminal ;.
X Connect positive terminal ; on your vehicle to positive terminal = of donor battery B
using the jumper cable, always begin with positive terminal ; on your own vehicle first.
X Start the engine of the donor vehicle and run it at idling speed.
X Connect negative terminal ? of

donor battery B to ground point A of your vehicle using
the jumper cable, connecting the jumper cable to donor battery B first.
X Start the engine.
X Before disconnecting the jumper cables, let the engine run for several minutes.
X First, remove the jumper cables from ground point A and

negative terminal ?, then from
positive terminal ; and positive terminal =, each time beginning at the contacts on your
own vehicle first.
X After removing the jumper cables, press down cover : of positive terminal ; and turn it
counter-clockwise. Cover
:

returns to its original position. Positive terminal ; is covered
up and thus insulated again.
X Have the battery checked at a qualified specialist workshop.
i Jump-starting is not considered to be a normal operating condition.
i Jumper cables and further information regarding jump starting can be obtained at any
qualified specialist workshop. Jump-starting
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Roadside Assistance Z

Example: towing eye mounting covers
:
Front cover
; Back cover
The mountings for the screw-in towing eyes
are located in the bumpers. They are at the
front and at the rear, under the covers.
X Remove the towing eye from the bracket in
the trunk (
Y page 508).
X Front bumper: grip
with one finger into the
recess on the bottom edge of cover :.
X Pull cover :
forward
out of the bumper in
the direction of the arrow.
Cover : is fastened with a strap to the
opening.
X Rear bumper: push cover ; inwards on
the marking in the direction of the arrow.
X Take cover ; off the opening.
X Screw the towing eye in clockwise to the
stop and tighten it. Removing the towing eye
Example: towing eye mounting covers
:
Front cover
; Back cover
X Loosen the towing eye and unscrew it.
X Front bumper: place cover : on the
opening in the bumper as shown.
X Screw cover : into the opening in the
direction of the arrow.
Cover : is now hooked onto the upper
edge of the opening.
X To close, push the lower section of
cover :.
X Rear bumper: place cover ; on the
bumper and press it until it engages.
X Stow the towing eye in the bracket in the
trunk (

Y page 508). Towing the vehicle with the rear axle
raised
! The ignition must be switched off if you
are towing the vehicle with the rear axle
raised. Intervention by ESP ®
could
otherwise damage the brake system. Towing and tow-starting
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Roadside Assistance Z

=
Jacking points
? Jack
A Crank
X Position jack ? at jacking point =.Example
X
Make sure the foot of the jack is directly
beneath the jacking point.
X Turn crank A clockwise until jack ? sits
completely on jacking point = and the
base of the jack lies evenly on the ground.
X Turn crank A until the tire is raised a
maximum of 1.2 in (3 cm ) off the ground.
Removing a wheel !
AMG vehicles: during removal and
repositioning of the wheel, the wheel rim
can strike the ceramic-brake disc and
damage it.
Therefore, take precautions and
get a second person to assist you.
Alternatively, you can use a second
alignment bolt. !
Do not place wheel bolts in sand or on a
dirty surface. The bolt and wheel hub
threads could

otherwise be damaged when
you screw them in. X
Unscrew the uppermost wheel bolt
completely.
X Screw alignment bolt : into the thread
instead of the wheel bolt.
X Unscrew the remaining wheel bolts fully.
X Remove the wheel.
Mounting a new wheel G
WARNING
Oiled or greased wheel bolts or damaged
wheel bolts/hub

threads can cause the wheel
bolts to come loose. As a result, you could
lose a wheel while driving. There is a risk of
accident.
Never oil or grease wheel bolts. In the event
of damage to the threads, contact a qualified
specialist workshop immediately. Have the
damaged wheel bolts or hub threads
replaced/renewed. Do not continue driving. G
WARNING
If you tighten the wheel bolts or wheel nuts
when the vehicle is raised, the jack could tip
over. There is a risk of injury.
Only tighten the wheel bolts or wheel nuts
when the vehicle is on the ground.
Always pay attention to the instructions and
safety notices in "Changing a wheel"
(Y page 547). Changing a wheel
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Wheels and tires Z

Only use wheel bolts that have been designed
for the wheel and the vehicle. For safety
reasons, Mercedes-Benz recommends that
you only use wheel bolts which have been
approved
for
Mercedes-Benz vehicles and the
respective wheel.
! AMG vehicles: during removal and
repositioning of the wheel, the wheel rim
can strike the ceramic-brake disc and
damage it. Therefore, take precautions and
get a second person to assist you.
Alternatively, you can use a second
alignment bolt.
! To prevent damage to the paintwork, hold
the wheel securely against the wheel hub
while screwing in the first wheel bolt. X
Clean the wheel and wheel hub contact
surfaces.
X Slide the wheel to be mounted onto the
alignment bolt and push it on.
X Tighten the wheel bolts until they are
finger-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 a risk of accident. Have the tightening torque immediately
checked at a qualified specialist workshop
after a wheel is changed.
X
Turn the crank of the jack counter-
clockwise 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 a
crosswise pattern in the sequence
indicated ( : to A). The specified
tightening torque is 96 lb-ft(130 Nm).
X Turn the jack back to its initial position.
X Stow the jack and the rest of the vehicle
tools in the trunk again.
X AMG vehicles and vehicles with AMG
equipment: insert

the cover into the outer
sill.
X Check the tire pressure of the newly
mounted wheel and adjust it if necessary.
Make sure to observe the recommended
tire pressure ( Y page 529).
i Vehicles with tire pressure monitor: all
wheels mounted must be equipped with
functioning sensors. Wheel and tire combinations
General notes
! For safety reasons, Mercedes-Benz
recommends that you only use tires and
wheels which have been approved by
Mercedes-Benz specifically for your
vehicle. 552
Wheel and tire combinationsWheels and tires