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Operation
At the gas station
̈ Take off the fuel cap and set it in the di-
rection of arrow 2 in the recess on the
fuel filler flap.
To prevent fuel vapors from escaping
into open air, fully insert the filler noz-
zle unit.
̈ Only fill your tank until the filler nozzle
unit cuts out – do not top off or
overfill.
̈ Replace the fuel cap by turning it
clockwise until it audibly engages.
̈ Close the fuel filler flap.
Warning! G
Overfilling of the fuel tank may create
pressure 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
Make sure to close the fuel filler flap before
locking your vehicle as the flap locking pin
prevents closing after you have locked the
vehicle.
i
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. Please contact gas sta-
tion personnel in case labels on the pump cannot
be found.
For more information on gasoline, see “Premium
unleaded gasoline” (
୴ page 492), or the Factory
Approved Service Products pamphlet (USA only),
or contact an authorized Mercedes-Benz Center.
i
Leaving the engine running and the fuel cap
open can cause the ú malfunction indicator
lamp (USA only) or the ± malfunction indica-
tor lamp (Canada only) to illuminate.
More information can be found in the “Practical
hints” section (
୴ page 381).