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Practical hints
What to do if …
When the message
Add 1 qt.
(Canada:
1 liter
)
engine oil when next
refueling
(SLK 55 AMG) or
Check oil
level when next refueling
(SLK 280,
SLK 350) appears while the engine is run-
ning and at operating temperature, the en-
gine oil level has dropped to approximately
the minimum level.
When this occurs, the warning is at first
intermittent and then remains on if the oil
level drops further.
Visually check for oil leaks. If there are no
obvious oil leaks, drive to the nearest
service station to refill the engine oil
should be topped to the required level.
For information on approved engine oils,
refer to the Factory Approved Service
Products pamphlet (USA only) or contact
an authorized Mercedes-Benz Center.
Display symbol Display message Possible cause/consequence Possible solution
N USA only:
Add 1 qt. engine oil
when next refueling
.
Canada only:
Add 1 liter engine oil
when next refueling
.
SLK 55 AMG only:
The engine oil level is too low.
̈ Add engine oil (୴ page 299) and check the
engine oil level (
୴ page 296).
Cannot Measure
Engine Oil Level
SLK 55 AMG only:
The measuring system is malfunc-
tioning.
̈ Have the measuring system checked by an
authorized Mercedes-Benz Center.
!
Engine oil level warnings should not be
ignored. Extended driving with the symbol
displayed could result in serious engine damage
that is not covered by the Mercedes-Benz
Limited Warranty.