Flat Tyre; Important Safety Notes - Mercedes-Benz Unimog Operating Instructions Manual

Engine does not start
Problem
The engine will not
start.

Flat tyre

Changing a wheel in the event of a flat
tyre

Important safety notes

G
WARNING
On uphill and downhill slopes, the jack could
tip over with the vehicle raised. There is a
danger of injury.
Do not change wheels on uphill or downhill
gradients. Contact a qualified specialist work-
shop.
G
WARNING
If you do not position the jack correctly at the
appropriate jacking point of the vehicle, the
jack could tip over with the vehicle raised.
There is a risk of injury.
Only position the jack at the appropriate jack-
ing point of the vehicle. The base of the jack
must be positioned vertically, directly under
the jacking point of the vehicle.
Observe the following when raising the vehi-
cle:
to raise the vehicle, only use the vehicle-
R
specific jack that has been tested and
Possible causes/consequences and M Solutions
At low outside temperatures: the flow properties of diesel fuel are
inadequate due to paraffin separation.
X
Malfunctions resulting from paraffin separation can only be cor-
rected by heating the entire fuel system, e.g. by parking in a
heated area.
X
If the engine does not start after several attempts, have the
cause traced and rectified at a qualified specialist workshop.
The engine electronics are malfunctioning.
The immobiliser may be activated.
X
Turn the vehicle key back to the stop in the ignition lock.
X
Restart the engine.
approved by Mercedes-Benz. If the jack is
used incorrectly, it could tip over while the
vehicle is raised.
the vehicle's jack is intended only to raise
R
the vehicle for a short time when changing
a wheel. It is not suited for performing
maintenance work under the vehicle.
only position the jack at the appropriate
R
jacking point of the vehicle. Make sure that
the jack is correctly positioned at the jack-
ing point before raising the vehicle.
before raising the vehicle, secure it against
R
rolling away by applying the parking brake
and using wheel chocks. Never release the
parking brake while the vehicle is raised.
the jack must be placed on a firm, flat and
R
non-slip surface. On a loose surface, a
large, load-bearing underlay must be used.
On a slippery surface a non-slip underlay
must be used; for example on tiles, use
rubber mats.
do not use blocks of wood or similar objects
R
as a jacking support. Otherwise, the jack
will not be able to achieve its load-bearing
capacity due to the limited height.
do not raise vehicles equipped with a load-
R
ing crane or loading tailgate by using the
Flat tyre
323
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