Vehicle care2459Warning
Do not grease wheel bolts.
Tightening torques
Caution
If the vehicle is equipped with alloy
wheels, tighten the wheel bolts
manually at least for the first five
turns.
There are two different types of
wheels with two different bolts and tightening torques.
Tightening torque for alloy wheels is
125 Nm.
Tightening torque for steel wheels is
125 Nm.
Use the correct wheel bolts for the respective wheels.
Jacking positions The jacking positions shown refer tothe use of lifting arms and accessoryjacks used for changing winter /
summer tyres.
The rear arm position of the lifting
platform is centrically under the
relevant vehicle jacking point.
The front arm position of the lifting
platform is centrically under the
relevant vehicle jacking point.
Spare wheel The spare wheel is located in a holder
beneath the vehicle floor.
The tools are in a box in the left front
seat 3 234.
Use the jack only on the specific
jacking positions 3 244.
Vehicle care249
4. Set the jack to the necessaryheight by turning the hand wheel.
Ensure that the edge of the body
fits into the notch of the jack.
With the jack correctly aligned
rotate wheel wrench until wheel is
clear of the ground.
5. Unscrew the wheel bolts.
6. Change the wheel. Spare wheel 3 245.
7. Screw on the wheel bolts.
8. Lower the vehicle and remove jack.
9. Install the wheel wrench ensuring that it is located securely and
tighten each bolt in a crosswise
sequence. Tightening torque is
115 Nm.
If the vehicle is equipped with
alloy wheels, note that the wheel
bolts can also be used for the steel spare wheel. In this case, the
spare wheel is secured by the
conical contact of each bolt.
10. Align the valve hole in the wheel cover with the tyre valve before
installing.
Install wheel bolt caps.
11. Stow the replaced wheel 3 245,
the vehicle tools 3 234 and the
adapter for the security wheel
bolts.
12. Check the tyre pressure of the installed tyre and the wheel bolt
torque as soon as possible.