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Practical hints
What to do if ...
Display symbol
Display messages
N
Engine oil level
Visit workshop
Oil sensor malfunction
Visit workshop
When the message
Add 1 qt. engine oil
when next refueling
(Canada:
appears while the engine is running and at
operating temperature, the engine oil level
has dropped to approximately the mini-
mum level.
When this occurs, the warning will first
come on intermittently and then stay on if
the oil level drops further.
438
Possible cause/consequence Possible solution
The engine oil has dropped to a
critical level.
The measuring system is
malfunctioning.
Visually check for oil leaks. If no obvious oil
1 liter
)
leaks are noted, drive to the nearest
service station where the engine oil should
be topped to the required level with an ap-
proved oil specified in the Factory
Approved Service Products pamphlet.
Check the engine oil level ( page 346)
and add oil as required ( page 349).
If you must add engine oil frequently, have
the engine checked for possible leaks.
Have the measuring system checked by
an authorized Mercedes-Benz Light Truck
Center.
!
The 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.
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