Mercedes-Benz 2006 E 320 CDI Operator's Manual page 317

Operation
At the gas station
Only fill your tank until the filler nozzle
unit cuts out – do not top up or over-
fill.
Warning!
Overfilling of the fuel tank may create pres-
sure in the system which could cause a gas
discharge. This could cause the gasoline to
spray back out when removing the fuel
pump nozzle, which could cause personal in-
jury.
Replace fuel cap by turning it clockwise
until it audibly engages.
Close the fuel filler flap.
316
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Leaving the engine running and the fuel
cap open can cause the yellow fuel
tank reserve warning lamp to flash and
G
the ú malfunction indicator lamp
(USA only) or the ± malfunction in-
dicator lamp (Canada only) to illumi-
nate.
For more information, see also "Practi-
cal hints" ( page 377).
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Gasoline engine:
Only use premium unleaded gasoline
with a minimum Posted Octane Rating
of 91 (average of 96 RON/86 MON).
Information on gasoline quality can
normally be found on the fuel pump.
For more information on gasoline, see
the Factory Approved Service Products
pamphlet.
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Diesel engine:
Only use commercially available vehic-
ular diesel fuels No. 2 or No. 1 (ASTM
D975 No. 2-D or No. 1-D). Information
on diesel quality can normally be found
on the fuel pump.
For more information on diesel fuels,
refer to the Factory Approved Service
Products pamphlet.
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Diesel engine:
If you have driven the vehicle until the
tank is empty, the fuel system needs to
be bled ( page 449).