2014 MERCEDES-BENZ B-CLASS SPORTS jacking

Mountin
gawheel
Preparing the vehicle X
Stop the vehicle on solid, non-slippery and
leve lground.
X Apply the electric parking brake manually
(Y pag e153).
X Bring the front wheels into the straight-
ahead position.
X Move the DIRECT SELECT leve rtoposition
P.
X Switch off the engine.
X Remove the SmartKey from the ignition
lock.
X If included in the vehicle equipment,
remove the tire-change tool kit from the
vehicle.
X Secure the vehicle to prevent it from rolling
away.
Securing the vehicle to prevent it from
rolling away If your vehicle is equipped with
awheel chock,
it can be found in the tire-change tool kit
(Y page 294).
The folding wheel chock is an additional
safety measure to prevent the vehicle from
rolling away,f or example when changing a
wheel.
X Fold both plates upwards 001A.
X Fold out lower plate 0010.
X Guide the lugs on the lower plate fully into
the openings in base plate 0023. Securing the vehicle on level ground
X
On level ground: place chocksorother
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
chocksoro ther 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 arisk of injury.
Only position the jack at the appropriate
jacking point of the vehicle. The base of the
jack must be positioned vertically,d irectly
under the jacking point of the vehicle. Changing
awheel
337Wheels and tires Z

The followin
gmust be observe dwhen
raisin gthe vehicle:
R to raise the vehicle, only use the vehicle-
specific jack that has been tested and
approved by Mercedes-Benz. If used
incorrectly ,the jack coul dtip over with the
vehicle raised.
R the jack is designed only to raise and hold
the vehicle for ashort time while awheel
is being changed .Itisnot suited for
performing maintenance work under the
vehicle.
R avoid changing the wheel on uphilla nd
downhill slopes.
R before raising the vehicle, secure it from
rolling awaybya pplying the parking brake
and inserting wheel chocks. Never
disengage the parking brake while the
vehicle is raised.
R the jack must be placed on afirm, flat and
non-slip surface. On aloose surface, a
large, load-bearing underlay must be used.
On aslippery surface, anon-slip underlay
must be used, e.g. rubber mats.
R do not use wooden blocks or similar
objects as ajack underlay.O therwise, the
jack will not be able to achieve its load-
bearing capacity du etothe 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 adoor 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.
! The jack is designed exclusively for
jackingupt he vehicle at the jackingp oints.
Otherwise, your vehicle could be damaged. X
Using lug wrench 001A,loosen the bolts on
the wheel you wish to change by about one
full turn. Do not unscrew the bolts
completely. The jackingp
oints are located just behind the
wheel housings of the front wheels and just
in front of the wheel housings of the rear
wheels (arrows).
X Take the ratchet wrench out of the tire-
changing tool kit and place it on the
hexagon nut of the jack so that the letters
AUF are visible. X
Position jack 0023at jackingp oint0010. 338
Changing
awheelWheels and tires

X
Make sure the foot of the jack is directly
beneath the jackingp oint.
X Turn ratchet wrench 0021until jack 0023sits
completely on jackingp oint0010and the
base of the jack lies evenly on the ground.
X Turn ratchet wrench 0021until the tire is
raised amaximum of 1. 2in(3cm)from the
ground.
Removing awheel !
Do not place wheel bolts in sand or on a
dirty surface. The bol tand whee lhub
thread scould otherwise be damage dwhen
yo us cre wthem in.
X Unscrew the whee lbolts.
X Remov ethe wheel.
Mounting anew wheel G
WARNING
Oiled or greased wheel bolt sordamaged
wheel bolts/hub threads can cause th ewheel
bolt stoc omeloose .Asa result, you could
lose awheel while driving. There is arisk of
accident.
Never oil or grease wheel bolts. In the event
of damage to the threads, contact aqualified
specialist workshop immediately.H ave the
damage dwheel bolt sorhub 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 arisk 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 awheel"
section (Y page 336).
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 Place the new wheel on the wheel hub and
push it on.
X Tighten the wheel bolts until they are
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 arisk of accident. Changing
awheel
339Wheels and tires
Z