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225
Operation
At the gas station
Check regularly and before a long trip
1 Coolant
2 Brake fluid
Coolant
For normal replenishing, use water (pota-
ble water quality). For more information,
see “Coolant level” (
୴ page 232) and see
“Fuels, coolants, lubricants, etc.”
(
୴ page 333).
Brake fluid
Windshield/rear window washer sys-
tem and headlamp cleaning system
For more information on refilling the reser-
voir, see “Windshield/rear window washer
system and headlamp cleaning system”
(
୴ page 234).
i
Use only 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.
More information on gasoline can be
found in the Factory Approved Service
Products pamphlet.
i
Leaving the engine running and the fuel
cap open can cause the ? malfunc-
tion indicator lamp to illuminate.
See also “Practical hints” section
(
୴ page 256).
i
Opening the hood, see (୴ page 227).
!
If you find that the brake fluid in the
brake fluid reservoir has fallen to the
minimum mark or below, have the
brake system checked for brake pad
thickness and leaks immediately. Noti-
fy an authorized Mercedes-Benz Light
Truck Center immediately. Do not add
brake fluid as this will not solve the
problem. For more information, see
“Practical hints” (
୴ page 254) .