jacking MERCEDES-BENZ SLK-Class 2013 R172 Owner's Manual

X
Vehicles with KEYLESS-GO: openthe
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 136).
X If included in the vehicle equipment, take
the tire-change tool kit out of the vehicle.
X Secure the vehicle to prevent it from rolling
away.
i Due to differences in vehicle equipment,
not all vehicles are equipped with a tire-
change tool kit. For information on which
tools are required to perform a wheel
change on your vehicle, consult an
authorized Mercedes-Ben zCenter.
Necessary wheel-changing tools can
include, for example:
R Jack
R Wheel chock
R Lug wrench
Securing the vehicle to prevent it from
rolling away If your vehicle is equipped with a wheel chock,
it can be found in the tire-change tool kit
(Y page 291).
The folding wheel choc kis an additional
securing measure to prevent the vehicle from
rolling away, for example when changing a
wheel. X
Fold both plates upwards 0003.
X Fold out lower plate 0004.
X Guide the lugs on the lower plate fully into
the openings in base plate 0024. Securing the vehicle on level ground
X
On level ground: place chocks or other
suitable items under the front and rear of
the wheel that is diagonally opposite the
wheel you wish to change. Securing the vehicle on slight downhill gradients
X
On light downhill gradients: place
chocks or other suitable items in front of
the wheels of the front and rear axle.
Raising the vehicle G
WARNING
If you do not position the jack correctly at the
appropriate jacking point of the vehicle, the
jack could tip over with the vehicle raised.
There is a risk of injury.
Only position the jack at the appropriate
jacking point of the vehicle. The base of the Changing
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331Wheels and tires
Z

jack must be positioned vertically, directly
under the jacking point of the vehicle.
! The jack is designed exclusively for
jacking up the vehicle at the jacking points.
Otherwise, your vehicle could be damaged.
The following must be observed when raising
the vehicle:
R to raise the vehicle, onl yuse the vehicle-
specific jack that has been tested and
approved by Mercedes-Benz.Ifu sed
incorrectly, the jack could tip over with the
vehicle raised.
R the jack is designed only to raise and hold
the vehicle for a short time while a wheel
is being changed. It is not suited for
performing maintenance work under the
vehicle.
R avoid changing the wheel on uphill and
downhill slopes.
R before raising the vehicle, secure it from
rolling away by applying the parking brake
and inserting wheel chocks. Never
disengage the parking brake while the
vehicle is raised.
R the jack must be placed on a firm, flat and
non-slip surface. On a loose surface, a
large, load-bearing underlay must be used.
On a slippery surface, a non-slip underlay
must be used, e.g. rubber mats.
R do not use wooden blocks or similar
objects as a jack underlay.O therwise, the
jack will not be able to achieve its load-
bearing capacity due to the restricted
height.
R make sure tha tthe distance between the
underside of the tires and the ground does
not exceed 1.2 in (3 cm).
R never place your hands and feet under the
raised vehicle.
R never lie under the raised vehicle.
R never start the engine when the vehicle is
raised. R
never open or close a door or the trunk lid
when the vehicle is raised.
R make sure that no persons are present in
the vehicle when the vehicle is raised. X
Using lug wrench 0003, loosen the bolts on
the wheel you wish to change by about one
full turn. Do not unscrew the bolts
completely. The jacking points are located just behind the
front wheel housings and just in front of the
rear wheel housings (arrows). Covers, front (example: vehicles with AMG
equipment)332
Changing
awheelWheels and tires

AMG vehicles and vehicles with AMG
equipment:
to protect the vehicle body, the
vehicle has covers next to the jacking points
on the outer sills.
X AMG vehicles and vehicles with AMG
equipment: fold cover0004upwards. X
Position jack 0023at jacking point 0024. Example
X
Make sure the foot of the jack is directly
beneath the jacking point.
X Turn crank 0021clockwise until jack 0023sits
completely on jacking point 0024and the
base of the jac klies evenly on the ground.
X Turn crank 0021until the tire is raised a
maximum of 1.2 in (3 cm) off the ground.
Removing awheel !
Do not place wheel bolts in sand or on a
dirty surface. The bol tand wheel hub
threads could otherwise be damaged when
you screw them in. X
Unscrew the uppermost wheel bolt
completely.
X Screw alignment bolt 0003into 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 329).
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 Changing
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333Wheels and tires Z