wheel alignment MERCEDES-BENZ SL-Class 2013 R131 Owner's Manual

Tire-change tool kit
0002
Bag containing the tire-changing tools
X Open the trunk lid.
X Open the trunk partition (Y page 106).
X Lift the trunk floor upwards (Y page 494).
i Depending on the equipment, tools
required for a wheel change, such as a jack
or a lug wrench, are not available in all
vehicles. Tools approved for your vehicle
are available at a qualified specialist
workshop.
Bag with the tire-changing tools 0002contains:
R Jack
R Lug wrench
R Alignment bolt
R Wheel chock
R Gloves Flat tire
Preparing the vehicle
Information on changing/mounting a wheel
(Y page 565).
Vehicle preparatio nis not necessary on
vehicles with MOExtended tires.
Your vehicle may be equipped with:
R MOExtended tires (tires with run-flat
characteristics) (Y page 527)
R a TIREFIT kit (Y page 528) X
Stop the vehicle on solid, non-slippery and
level ground, as far away as possible from
traffic.
X Switch on the hazard warning lamps.
X Secure the vehicle against rolling away
(Y page 175).
X Bring the front wheels into the straight-
ahead position.
X Switch off the engine.
X Vehicles without KEYLESS-GO: remove
the SmartKey from the ignition lock.
X Vehicles with KEYLESS-GO: open the
driver's door.
The on-board electronics have status 0,
which is the same as the SmartKey having
been removed.
X Vehicles with KEYLESS-GO: remove the
Start/Stop button from the ignition lock
(Y page 155).
X All occupants must get out of the vehicle.
Make sure that they are not endangered as
they do so.
X Make sure that no one is near the danger
area while a wheel is being changed.
Anyone who is not directly assisting in the
wheel change should, for example, stand
behind the barrier.
X Get out of the vehicle. Pay attention to
traffic conditions when doing so.
X Close the driver's door. MOExtended tires (tires with run-flat
properties)
G
WARNING
When driving in emergency mode, the driving
characteristics deteriorate, e.g. when
cornering, accelerating quickly and when
braking. There is a risk of an accident.
Do not exceed the stated maximum speed.
Avoid abrupt steering and driving maneuvers,
and driving over obstacles (curbs, potholes,
off-road). This applies in particular to a laden
vehicle. Flat tire
527Breakdown assistance
Z

X
Using lug wrench 0002, loosen the bolts on
the wheel you wish to change by abouto ne
full turn. Do not unscrew the bolts
completely. The jacking points are located jus
tbehind the
front wheel housings and just in front of the
rear wheel housings (arrows). Covers, fron
t(example: vehicles with AMG
equipment)
AMG vehicles and vehicles with AMG
equipment: to protectthe vehicle body, the
vehicle has covers next to the jacking points
on the outer sills. X
AMG vehicles and vehicles with AMG
equipment: fold cover0003upwards. X
Position jack 0026at jacking point 0027. Example
X
Make sure the foot of the jack is directly
beneath the jacking point.
X Turn crank 0024clockwise until jack 0026sits
completely on jacking point 0027and the
base of the jack lies evenly on the ground.
X Turn crank 0024until the tire is raised a
maximum of 1.2 in (3 cm) off the ground.
Removing awheel !
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 perso nto 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 568
Changing
awheelWheels and tires

threads could otherwise be damaged when
you screw the min. X
Unscrew the uppermost wheel bolt
completely.
X Screw alignment bolt 0002into the thread
instead of the wheel bolt.
X Unscrew the remaining whee lbolts fully.
X Remove the wheel.
Mounting anew 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.H ave the
damaged wheel bolts or hub threads
replaced/renewed. Do no tcontinue 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 notes in the "Changing a wheel"
section (Y page 565).
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. Changing
awheel
569Wheels and tires Z