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Operation
At the gas station
̈ Only fill your tank until the filler nozzle
unit cuts out – do not top off or
overfill.
̈ Replace fuel filler cap 2 by turning it
clockwise until it audibly engages.
̈ Close fuel filler flap 1.
You should hear the latch close shut.
Check regularly and before a long trip
For information on quantities and require-
ments of operating agents, see “Fuels,
coolants, lubricants, etc.” (
୴ page 422).
̈ Open the hood (୴ page 267).
G500
1 Coolant
2 Brake fluid
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 noz-
zle, which could cause personal injury.
!
When refueling the vehicle, make certain
that no gasoline comes into contact with the rear
side marker to prevent damaging the lens.
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
Leaving the engine running and the fuel cap
open can cause the ? malfunction indicator
lamp (USA only) or the ± malfunction indica-
tor lamp (Canada only) comes on.
For more information, see “Practical hints”
(
୴ page 328).
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 station personnel in case la-
bels on the pump cannot be found.
For more information on gasoline, see “Premium
unleaded gasoline” (
୴ page 426), refer to the
Factory Approved Service Products pamphlet
(USA only), or contact an authorized
Mercedes-Benz Light Truck Center.