CAUTION
■
Ensure that the vehicle tool kit is safely secured in the boot.
■
Ensure that the box is always secured with the strap.
Changing a wheel
Introduction
This chapter contains information on the following subjects:
Preparation
193
Full wheel trim 194
Wheel bolts 194
Changing a wheel 194
Follow-up tasks
194
Loosening/tightening wheel bolts
195
Lift vehicle
195
Securing wheels against theft
196
WARNING
■
If you are in flowing traffic, switch on the hazard warning light system
and set up the warning triangle at the prescribed distance! The national le-
gal requirements must be observed.
■
Park the vehicle as far away as possible from the flow of traffic. Park on
as flat and firm a surface as possible.
■
If the vehicle is subsequently fitted with tyres which are different from
those it was fitted with at the works, follow these guidelines » page 186,
New tyres.
WARNING
Notes for vehicle lifting
■
If the wheel has to be changed on a slope, first of all block the opposite
wheel with a stone or similar object to prevent the vehicle from unexpect-
edly rolling away.
■
Secure the base plate of the lifting jack with suitable means to prevent
possible moving. A soft and slippery ground under the base plate may move
the lifting jack, causing the vehicle to fall down. It is therefore always nec-
WARNING (Continued)
essary to place the lifting jack on a solid surface or use a wide and stable
base. Use a non-slip base (e.g. a rubber foot mat) if the surface is smooth,
such as cobbled stones, tiled floor, etc.
■
Only attach the lifting jack to the attachment points provided for this pur-
pose.
■
Always raise the vehicle with the doors closed.
■
Never position any body parts, such as arms or legs under the vehicle,
while the vehicle is raised with a lifting jack.
■
When the vehicle is raised, never start the engine.
WARNING
Information on the wheel bolts
■
The wheel bolts must be clean and must turn easily. Never treat them
with grease or oil.
■
The prescribed tightening torque of the wheel bolts for steel and light al-
loy wheels is 120 Nm.
■
If the wheel bolts are tightened to a too low tightening torque, the rim
can come loose when the car is moving. A tightening torque which is too
high can damage the bolts and threads and this can result in permanent
deformation of the contact surfaces on the rim.
■
In case of incorrect treatment of the wheel bolts, the wheel can loosen
when the car is moving.
Note
The national legal requirements must be observed when changing a wheel.
Preparation
Read and observe
on page 193 first.
Always change a wheel on a level surface as far as possible.
The following steps must be carried out before actually changing the wheel:
›
Have all of the occupants get out of the vehicle. While changing a tyre, the
occupants of the vehicle should not stand on the road (they should instead
remain behind a crash barrier).
›
Switch off the engine.
›
Move the gearshift lever into Neutral or move the selector lever for the auto-
matic gearbox into position P.
›
Firmly apply the handbrake.
193
Emergency equipment and self-help
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