Mercedes-Benz ML320. Manual — part 98

219

Operation

Engine compartment

Checking engine oil level via display

When checking the oil level the vehicle
must

앫

be parked on level ground

앫

be at normal operating temperature

앫

have been stationary for at least five
minutes with the engine turned off

To check the engine oil level via the display
in the speedometer, do the following:

왘

Turn the key in the steering lock to
position 2.

1 Button
2 Display in speedometer

왘

Wait until the display

------

appears in

the speedometer display 2.

왘

Within one second press button 1
twice.

One of the following messages will
subsequently appear in the display:

앫

OIL i.O

The oil level is correct. Engine oil
does not to be added.

앫

– 1.0 L

왘

Add 1.0 liter of engine oil.

앫

– 1.5 L

왘

Add 1.5 liters of engine oil.

앫

– 2.0 L

왘

Add 2.0 liters of engine oil.

For adding engine oil see (

컄

page 302).

More information on engine oil can be
found in the “Technical data” section
(

컄

page 300) and (

컄

page 301).

Other display messages

If there is excess engine oil with the engine
at normal operating temperature, the
following message will appear in the
display:

OIL HI

The oil level is too high.

왘

Have excess oil siphoned.

!

Excess oil must be siphoned or drained
off. It could cause damage to the
engine and catalytic converter not
covered by the Mercedes-Benz Limited
Warranty.

220

Operation

Engine compartment

The display

------

flashes in the

speedometer display, if a proper oil level
check cannot be performed.

왘

If engine is at normal operating
temperature, wait five minutes before
repeating check procedure.

왘

If engine is not yet at normal operating
temperature, wait 30 minutes before
repeating check procedure.

See the “Practical hints” section
(

컄

page 253) if the low engine oil level

warning lamp in the instrument cluster
flashes.

Checking engine oil level with the oil
dipstick

When checking the oil level the vehicle
must

앫

be parked on level ground

앫

be at normal operating temperature

앫

have been stationary for at least five
minutes with the engine turned off

To check the engine oil level with the oil
dipstick, do the following:

왘

Open the hood (

컄

page 217).

왘

Pull out oil dipstick 1 (

컄

page 221).

왘

Wipe oil dipstick 1 clean.

왘

Fully insert oil dipstick 1 into the
dipstick guide tube.

왘

Pull out oil dipstick 1 again after
approximately three seconds to obtain
accurate reading.

Oil dipstick

The oil level is correct when it is between
the lower (min) and upper (max) mark of
the oil dipstick.

i

Perform the engine oil level check with
the dipstick if it cannot be completed
via the speedometer display
(

컄

page 220).

In this case we recommend that you
have the system checked at a
Mercedes-Benz Light Truck Center.

i

The engine oil level can be checked by
either the oil dipstick or via the
speedometer display in the instrument
cluster (

컄

page 219). The amount of

engine oil needed is shown more
precisely in the speedometer display.

221

Operation

Engine compartment

왘

If necessary, add engine oil.

For adding engine oil see (

컄

page 221).

More information on engine oil can be
found in the “Technical data” section
(

컄

page 300) and (

컄

page 301).

See the “Practical hints” section
(

컄

page 253) if the low engine oil level

warning lamp in the instrument cluster
flashes.

Adding engine oil

1 Oil dipstick
2 Filler cap

왘

Unscrew filler cap 2 from filler neck.

왘

Add engine oil as required. Be careful
not to overfill with oil.

Be careful not to spill any oil when adding.
Avoid environmental damage caused by oil
entering the ground or water.

i

The filling quantity between the upper
and lower marks on the oil dipstick is
approximately 2.1 US qt. (2.0 l).

!

Only use approved engine oils. For a
listing of approved engine oils, refer to
the Factory Approved Service Products
pamphlet in your vehicle literature port-
folio.

In addition, check the oil filler cap for
important information pertaining to the
engine oil needing to meet a specific
Mercedes-Benz specification
(e.g. MB 229.5). If such information is
printed on the oil filler cap, only use an
engine oil from the list of approved en-
gine oils in the Factory Approved Ser-
vice Products pamphlet that meets the
specification indicated on the oil filler
cap. Using engine oils of other specifi-
cation may cause the FSS to incorrect-
ly determine the next service interval
and will result in engine damage not
covered by the Mercedes-Benz Limited
Warranty.

컄컄

222

Operation

Engine compartment

왘

Screw filler cap 2 back on filler neck.

More information on engine oil can be
found in the “Technical data” section
(

컄

page 300) and (

컄

page 301).

Transmission fluid level

The transmission fluid level does not need
to be checked. If you notice transmission
fluid loss or gear shifting malfunctions,
have an authorized Mercedes-Benz Light
Truck Center check the automatic trans-
mission.

Coolant

The engine coolant is a mixture of water
and anticorrosion/antifreeze. To check
the coolant level, the vehicle must be
parked on level ground and the engine
must be cool.

!

Excess oil must be siphoned or drained
off. It could cause damage to the
engine and catalytic converter not
covered by the Mercedes-Benz Limited
Warranty.

Warning!

G

In order to avoid any possibly serious burns:

앫

Use extreme caution when opening the
hood if there are any signs of steam or
coolant leaking from the cooling system,
or if the coolant temperature gauge indi-
cates that the coolant is overheated.

앫

Do not remove pressure cap on coolant
reservoir if engine temperature is above
194°F (90°C). Allow engine to cool
down before removing cap. The coolant
reservoir contains hot fluid and is under
pressure.

앫

Using a rag, slowly open the cap approx-
imately ½ turn to relieve excess pres-
sure. If opened immediately, scalding
hot fluid and steam will be blown out un-
der pressure.

앫

Do not spill antifreeze on hot engine
parts. Antifreeze contains ethylene gly-
col which may burn if it comes into con-
tact with hot engine parts.

컄컄