Mercedes-Benz 2007 E 320 BLUETEC Operator's Manual page 419

Practical hints
What to do if ...
Display symbol Display message
:
Check oil level
at next refueling
When the message Check oil level at
next refueling appears while the engine
is running and at operating temperature,
the engine oil level has dropped to approx-
imately the minimum level.
When this occurs, the warning will first
come on intermittently and then stay on if
the oil level drops further.
Visually check for oil leaks. If no obvious oil
leaks are noted, drive to the nearest ser-
vice station where the engine oil should be
topped to the required level with an ap-
proved engine oil.
418
Possible cause/consequence
The engine oil has dropped to a critical
level.
For information on approved engine oils,
refer to the Factory Approved Service
Products pamphlet (USA only) or contact
an authorized Mercedes-Benz Center.
!
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
Limited Warranty.
Possible solution
Check the engine oil level
( page 328) and add oil as required
( page 329).
If you must add engine oil frequently,
have the engine checked for possible
leaks.