Important Safety Notes - Mercedes-Benz Unimog Operating Instructions Manual

Refuelling
218
not allow fuels to run into the sewage system,
the surface waters, the ground water or into
the ground.
Do not get into the vehicle again during the
refuelling process. Otherwise, electrostatic
charge could build up again.
If you overfill the fuel tank, some fuel may
spray out when you remove the fuel pump
nozzle.
You will find further information on fuel in the
"Service products" section (
Refuelling
Example: U 318 fuel tank
X
Switch off the engine.
X
Remove the key from the ignition lock.
X
Apply the parking brake.
X
Switch off the auxiliary heating
( Y page 102).
X
Raise lock cover ; slightly and move it to
the side.
X
Unlock fuel filler cap = with the key.
X
Turn fuel filler cap = to the left and remove
from fuel tank :.
X
Observe the fuel grade (
X
Completely insert the filler neck of the fuel
pump nozzle into the tank, hook in place
and refuel.
X
Only fill the tank until the pump nozzle
switches off.
Do not add any more fuel after the pump
i
stops filling for the first time. Otherwise,
fuel may leak out.
Y page 364).
Y page 364).
X
Replace fuel filler cap = and screw it on.
X
Lock fuel filler cap = with the key.
X Vehicles with fuel prefilter with water
separator: drain the fuel prefilter regularly
( Y page 321).
®
AdBlue

Important safety notes

! Do not allow diesel fuel to run into the
®
AdBlue tank. You could otherwise damage
the exhaust gas aftertreatment system.
®
! Only use AdBlue
with DIN 70070/ISO 22241. Do not use
any additives.
®
If AdBlue /DEF comes into contact with
painted or aluminium surfaces when filling
the tank, rinse the affected area immedi-
ately with plenty of water.
! Do not mix additives to AdBlue
®
thin AdBlue with tap water. This could
destroy the exhaust gas aftertreatment
system.
! Always close the AdBlue
Otherwise impurities may get into the
exhaust gas aftertreatment system and
damage it.
! Make sure that you do not overfill the
®
AdBlue /DEF tank. Otherwise, the
®
AdBlue /DEF tank could be damaged at
very low temperatures.
When opening the AdBlue
amounts of ammonia vapours could escape.
Ammonia vapours have a pungent smell and
are particularly irritating to:
skin
R
mucous membranes
R
eyes
R
The vapours may cause a burning sensation in
the eyes, nose and throat as well as irritation
of the throat and watering eyes.
/DEF in accordance
®
. Do not
®
tank properly.
®
tank, small