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Operation
At the gas station
̈ Open the fuel filler flap completely.
̈ Turn the fuel cap to the counterclock-
wise and hold on to it until possible
pressure is released.
̈ Take off the fuel cap.
̈ To prevent fuel vapors from escaping
into open air, fully insert filler nozzle
unit.
̈ Only fill your tank until the filler nozzle
unit cuts out – do not top up or overfill.
̈ Replace the fuel cap by turning it clock-
wise until it audibly engages.
̈ Close the fuel filler flap.
You should hear the latch close shut.
!
The fuel filler cap is tethered to the fuel filler
neck. Do not drop the cap. It could damage the
vehicle paint finish.
Warning! G
Overfilling of the fuel tank may create pres-
sure in the system which could cause a gas
discharge. This could cause the gas to spray
back out when removing the fuel pump
nozzle, which could cause personal injury.
i
Leaving the engine running and the fuel cap
open can cause the yellow fuel tank reserve
warning lamp to flash and the ? malfunction
indicator lamp (USA only) or the ± malfunc-
tion indicator lamp (Canada only) comes on.
For more information, see “Practical hints”
(
୴ page 424).
i
Gasoline engine:
Only use premium unleaded gasoline with a min-
imum 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 see “Pre-
mium unleaded gasoline (gasoline engine)”
(
୴ page 541), see “Fuel requirements”
(
୴ page 542), and the Factory Approved Service
Products pamphlet.
i
Diesel engine:
Only use commercially available vehicular 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.
The sulfur content in diesel fuel should not
exceed 50 parts per million (ppm). When using
diesel fuel with a sulfur content of above
300 ppm, the engine oil interval should be
shortened.
For more information on diesel fuels, refer to the
Factory Approved Service Products pamphlet or
contact an authorized Mercedes-Benz Light
Truck Center.
!
Diesel engine:
The engine is more susceptible to wear and
damage if you use
ț marine diesel fuel
ț heating oil
ț additives
The use of such non-approved fuels and/or
special additives is not covered by the
Mercedes-Benz Limited Warranty.