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377
Operation
At the gas station
Low outside temperatures
(diesel engine)
To prevent malfunctions, diesel fuel with
improved cold flow characteristics is of-
fered in the winter months. Check with
your fuel retailer.
Check regularly and before a long trip
̈ Open the hood (୴ page 379).
Example GL 450 (GL 320 CDI similar)
1 Brake fluid
2 Coolant level
3 Windshield washer system and
headlamp cleaning system*
Engine oil level
For more information on engine oil, see
“Engine oil” (
୴ page 381).
i
Diesel engine:
If you have driven the vehicle until the tank is
empty, the fuel system needs to be bled
(
୴ page 529).
!
Diesel engine:
The engine is more susceptible to wear and
damage if you use
ț marine diesel fuel
ț heating oil
ț additives
The exhaust aftertreatment device will be
seriously damaged if you use
ț LOW SULFUR DIESEL FUEL
(500 ppm SULFUR MAXIMUM)
ț any other diesel fuel with a sulfur content of
above 15 ppm
The use of such non-approved fuels and/or
special additives is not covered by the
Mercedes-Benz Limited Warranty.
!
Do not fill the tank with gasoline. Do not
blend diesel fuel with gasoline or kerosine. The
fuel system and engine will otherwise be dam-
aged, which is not covered by the
Mercedes-Benz Limited Warranty.