wheel alignment MERCEDES-BENZ SLK-Class 2014 R172 Owner's Manual

Fire extinguisher
The fire extinguisher is located underneath
the front of the driver's seat.
X Pull tab 0044upwards.
X Remove fire extinguisher 0043.
i Have fire extinguisher 0043refilled after
each use and checked every one to two
years. It may otherwise fail in an
emergency.
Observe the legal requirements in all
countries concerned. Vehicle tool kit
General notes The vehicle tool kit can be found in the
stowage well under the trunk floor.
i Apart from certain country-specific
variations, vehicles are not equipped with
a tire-change tool kit. Some tools for
changing a wheel are specific to the
vehicle. For more information on which
tools are required to perform a wheel
change on your vehicle, consult a qualified
specialist workshop.
Necessary wheel-changing tools can
include, for example:
R Jack
R Wheel chock
R Lug wrench
R Ratchet wrench
R Alignment bolt Vehicles with a collapsible spare wheel
0043
Folding wheel chock
0044 Fuse allocation chart
0087 Jack
0085 Sheet for faulty wheel
0083 Alignment bolt
0084 Lug wrench
006B Towing eye
006C Valve extractor
006D Tire inflation compressor
X Lift the trunk floor up.
X Remove the collapsible spare wheel
(Y page 337).
X AMG vehicles: loosen the central screw of
the bracket counter-clockwise and remove
it together with the bracket. Flat tire
Preparing the vehicle
Your vehicle may be equipped with:
R MOExtended tires (tires with run-flat
properties) (Y page 290)
Vehicle preparation is not necessary on
vehicles with MOExtended tires.
R an emergency spare wheel ( Ypage 337)
Information on changing/mounting a wheel
(Y page 328). Flat tire
289Breakdown assistance

X
Unscrew the uppermost wheel bolt
completely.
X Screw alignment bolt 0043into 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 notes in the "Changing a wheel"
section (Y page 328).
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.
!
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.
X Vehicles with a collapsible spare
wheel: inflate the collapsible spare wheel
(Y page 338). Only then lower the vehicle.
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. 332
Changing a wheelWheels and tires