Mercury 2010 Milan Owner's Manual page 279

Maintenance and Specifications
• 3.0L V6 engine
6. Wipe the dipstick clean. Insert the dipstick fully, then remove it again.
On the 2.5L I4 engine, be sure the
notch in the dipstick flange is
aligned with the V on the engine
when reinserting it.
• 2.5L I4 engine
• 3.0L V6 engines
•If the oil level is within this range, the oil level is acceptable. DO
NOT ADD OIL.
279