Page 301 of 364

Useful information
i This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
possible. Please note that your vehicle may
not be equipped with all features
described. This also applies to safety-
related systems and functions.
i Read the information on qualified
specialist workshops: (Y page 24).Where will I find...?
First-aid kit
Example: vehicles with BlueTEC
The first-aid kit can be found under the cargo
compartment floor in the vehicle tool kit
stowage tray. Depending on the vehicle's
equipment, the location of the first-aid kit
may differ slightly from that shown in the
example illustration.
X
Open the tailgate.
X Lift the cargo compartment floor up
(Y page 298).
X Remove first-aid kit :.
i Check the expiration date on the first-aid
kit at least once a year. Replace the
contents if necessary, and replace missing
items. Vehicle tool kit
General notes The vehicle tool kit can be found in the
stowage well under the cargo compartment
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 perfor mawheel
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
Lifting up the cargo compartment floor X
Press release handle ;in the direction of
the arrow.
X Lift cargo compartment floor :up by
release handle ;.298
Where will I find...?Breakdown assistance
Page 340 of 364

X
Using lug wrench :, 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).
X Take the ratchet wrench out of the vehicle
tool kit and place it on the hexagon nut of
the jack so that the letters AUFare visible. ;
Jacking points
= Jack
? Crank X
Position jack =at jacking point ;. Example
X
Make sure the foot of the jack is directly
beneath the jacking point.
X Turn ratchet wrench ?until jack =sits
completely on jacking point ;and the
base of the jack lies evenly on the ground.
X Turn ratchet wrench ?until the tire is
raised amaximum of 1.2 in (3 cm )from 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 :into the thread
instead of the wheel bolt.
X Unscrew the remaining whee lbolts fully.
X Remove the wheel. Changing
awheel
337Wheels and tires Z
Page 341 of 364

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 notc ontinue 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.
! To prevent damage to the paintwork, hold
the wheel securely against the wheel hub
while screwing in the first wheel bolt.
Always pay attention to the instructions and
safety notes in the "Changing a wheel"
section (Y page 334).
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.
! Always use wheel bolts ;to mount the
collapsible spare wheel. Using other wheel
bolts to mount the collapsible spare wheel
could damage the brake system. :
Wheel bolts for 18", 19" and 20" wheels
2 Wheel bolts for the collapsible spare
wheel 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 Inflate the collapsible spare wheel
(Y page 343).
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. 338
Changing
awheelWheels and tires