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!
Use truck fuel pump nozzles to refuel. If you
use a passenger vehicle fuel pump nozzle, the
flap in the filler neck could be damaged.
If you have to use a passenger vehicle fuel
pump nozzle, insert it into the filler neck so
that only one of the pump nozzle lugs rest on
the edge of the filler neck.
If a passenger vehicle fuel pump nozzle is
inserted too far, this may result in a lug getting
caught on the flap in the filler neck. To release
the fuel pump nozzle in such a case, twist or
tip it before attempting to remove the fuel
pump nozzle.
You will find further information on fuel in the
"Service products" section (
Filling order
In vehicles with an additional fuel tank, you must
observe the filling order. The fuel gauge other-
wise does not correctly show the current fuel
level, or the on-board computer the correct
range.
X
First, fill up the first fuel tank (main tank) on
the left-hand side of the vehicle, directly
behind the cab.
X
When the main tank has been completely fil-
led, then fill up the additional fuel tank on the
left-hand side of the vehicle.
X
Only when all tanks on the left-hand side of
the vehicle have been completely filled, fill the
additional fuel tank on the right-hand side of
the vehicle.
When the main tank has run dry, the on-board
computer displays a corresponding
refuel the main tank first
grey event window.
Y
page 422).
Fully
message in the
Before filling the tank
!
If you are using drums or canisters to refuel
the vehicle, you should filter the fuel before
adding it.
This will prevent malfunctions in the fuel sys-
tem due to contaminated fuel.
Fuel tank (example: single tank)
X
Switch off the engine.
X
Apply the parking brake.
X
Switch off the auxiliary heating (
X
Remove the key from the ignition lock.
X
Observe the filling order (
X
Unlock cap : on fuel tank ; with the
mechanical key element.
X
Observe the fuel grade (
i
Regularly check the fuel prefilter with
heated water separator for condensation
Y
(
page 378).
Refuelling
Y
page 125).
Y
page 317).
Y
page 422).
Z
317
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