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346 Wheels and tires
Position hub cap
1
and turn until it is in the
#
right position.
Position socket
2
on hub cap 1.
#
Position lug wrench
3
on socket
#
tighten hub cap 1.
Specified tightening torque: 18 lb-ft
(25 Nm).
Raising the vehicle when changing a wheel
Requirements:
There are no persons in the vehicle.
R
The vehicle has been prepared for a wheel
R
change (
page 345).
/
Important notes on using the jack:
Use only a vehicle-specific jack that has
R
been approved by Mercedes-Benz to raise
the vehicle.
The jack is only designed for raising and
R
holding the vehicle for a short time while a
wheel is being changed and not for mainte‐
nance work under the vehicle.
The jack must be placed on a firm, flat and
R
non-slip surface. If necessary, use a large,
flat, load-bearing, non-slip underlay.
The foot of the jack must be positioned verti‐
R
2
and
cally under the jack support point.
Rules of conduct when the vehicle is raised:
Never place your hands or feet under the
R
vehicle.
Never lie under the vehicle.
R
Do not start the engine and do not release
R
the electric parking brake.
Do not open or close any doors or the tail‐
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gate.
Using the lug wrench, loosen the wheel bolts
#
on the wheel you wish to change by about
one full turn. Do not unscrew the bolts com‐
pletely.
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