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Operation
Engine compartment
Engine oil
The amount of oil your engine needs will
depend on a number of factors, including
driving style. Increased oil consumption
can occur when
the vehicle is new
the vehicle is driven frequently at
higher engine speeds
Engine oil consumption checks should only
be made after the vehicle break-in period.
!
Do not use any special lubricant additives,
as these may damage the drive assemblies.
Using special additives not approved by
Mercedes-Benz may cause damage not covered
by the Mercedes-Benz Limited Warranty.
More information on this subject is available at
any Mercedes-Benz Light Truck Center.
380
Checking engine oil level
When checking the oil level
the vehicle must be parked on level
ground
the vehicle must have been stationary
for at least 5 minutes with the engine
turned off
Example illustration GL 450 (GL 320 CDI,
GL 550 similar)
1 Oil dipstick
2 Upper mark
3 Lower mark
Open the hood ( page 378).
Pull out oil dipstick 1.
Wipe oil dipstick 1 clean.
Fully insert oil dipstick 1 into the
dipstick guide tube.
Pull out oil dipstick 1 again after
approximately 3 seconds to obtain
accurate reading.
The oil level is correct when it is be-
tween lower mark 3 (min.) and upper
mark 2 (max.) of the oil dipstick.
i
The filling quantity between the upper and
lower marks on the oil dipstick is approximately
2.1 US qt. (2.0 l).
If necessary, add engine oil
( page 381).
For more information on engine oil, see
"Technical data" section ( page 562) and
( page 564).
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