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Operation
Engine compartment
If you see the message:
Observe waiting period
̈ If engine is at operating temperature,
wait 5 minutes before repeating check
procedure.
̈ If engine is not at operating tempera-
ture, wait 30 minutes before repeating
check procedure.
If you see the message:
Engine oil level
Not when engine on
̈ Turn off the engine.
̈ If the engine is at operating tempera-
ture, wait 5 minutes before checking
oil.
̈ If the engine is not at operating temper-
ature yet, you must wait 30 minutes
before checking oil.
If there is excess engine oil with the engine
at operating temperature, the following
message will appear:
Engine oil level
Reduce oil level
̈ Have excess oil siphoned or drained
off. Contact an authorized
Mercedes-Benz Light Truck Center.
For more information on messages in the
display concerning engine oil, see the
“Practical hints” section (
୴ page 437).
Checking engine oil level with the oil
dipstick (R 350 only)
When checking the oil level
ț the vehicle must be parked on level
ground
ț with the engine at operating tempera-
ture, the vehicle must have been
stationary for at least 5 minutes with
the engine turned off
ț with the engine not at operating tem-
perature yet, the vehicle also must
have been stationary for at least
5 minutes with the engine turned off
!
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.