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Practical hints
What to do if …?
When the message “Check engine oil level
at next refueling” (CL 550) or “Add 1.0 qts.
(Canada: 1.0 l) engine oil at next refueling”
(CL 600) 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 will first
come on intermittently and then stay on if
the oil level drops further.
If no oil leaks are noted, continue to drive
to the nearest service station where the
engine oil should be topped to the required
level with an approved engine oil.
For information on approved engine oils,
refer to the Factory Approved Service
Products pamphlet (USA only) or contact
an authorized Mercedes-Benz Center.
Display Possible cause/consequence Possible solution
USA only:
Add 1.0 qts. engine oil
at next refueling
(USA only)
Add 1.0 l engine oil
at next refueling
(Canada only)
CL 600 only:
The engine oil level is too low.
̈ Check the engine oil level (୴ page 513) and
add engine oil as required (
୴ page 516).
̈ If you must add engine oil frequently, have
the engine checked for possible leaks.
Check engine oil level
at next refueling
CL 550 only:
The engine oil level has dropped to approx-
imately the minimum level.
̈ Check the engine oil level (୴ page 513) and
add engine oil as required (
୴ page 516).
̈ If you must add engine oil frequently, have
the engine checked for possible leaks.
!
The engine oil level warnings should not be
ignored. Extended driving with the symbol dis-
played could result in serious engine damage
that is not covered by the Mercedes-Benz Limit-
ed Warranty.