Mercury 2007 Mariner Owner's Manual page 237

Maintenance and Specifications
5. Locate and carefully remove the engine oil level indicator (dipstick).
• 2.3L I4 engine
• 3.0L DOHC V6 Duratec engine
6. Wipe the indicator clean. Insert the indicator fully, then remove it
again.
• If the oil level is within the MIN MAX range or lower and upper holes,
the oil level is acceptable. DO NOT ADD OIL.
• If the oil level is below the MIN mark or lower hole, engine oil must
be added to raise the level within the normal operating range.
236
2007 Mariner (mrn)
Owners Guide (post-2002-fmt)
USA (fus)