Mercedes-Benz Zetros 2020 Operating Instructions Manual page 182

Flat tyre
180
Rear axle
X
Position the jack under the jack mounting
point on axle tube :.
Removing a wheel
X
Unscrew the wheel nuts which fix wheel nut
cover : in place.
X
Remove wheel nut cover :.
Fitting a wheel
General safety notes
G
WARNING
When you unscrew the tyre valve, air is
released under high pressure; particles may
be dispersed. These can get into or irritate
the eyes, nose, mouth and ears. There is a
risk of injury.
Wear protective eyewear when unscrewing
the tyre valve.
! After changing a wheel, check the tyre
pressure immediately.
Observe the notes on operating and road
safety.
! Do not tighten the wheel nuts with an
impact wrench. This could damage the
wheel nuts or wheel bolts.
Wheel nut
:
X
Before fitting the wheel: remove any cor-
rosion and dirt from the contact areas of the
wheel hub, rim and wheel nuts.
X
Lightly oil the friction contact surfaces
between the pressure plate and the wheel
nut.
Rims with hub centring
X
Vehicles with single tyres: fit the wheel in
place and screw on two to three wheel nuts.
X
Screw on the remaining wheel nuts together
with the wheel nut cover.
X
Vehicle with twin tyres: fit both wheels
and screw on all the wheel nuts.
X
All: tighten the wheel nuts in a crosswise
pattern, observing the tightening torque
Y
while doing so ( page 204).
X
Check the tyre pressure (
! Only lower the vehicle when the tyre pres-
sures have been set. This avoids tyre dam-
age.
X
All: the wheel nuts must be retightened
Y
after 50 km ( page 180).
Retightening the wheel nuts
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.
Y
page 198).