Mercury mariner 2009 Owner's Manual page 620

Maintenance and Specifications
• 2.5L I4 engine
• 3.0L DOHC V6 Duratec engine
6. Wipe the dipstick clean. Insert the dipstick fully, then remove it again.
• If the oil level is within the lower and upper holes, or lower and upper
marks, the oil level is acceptable. DO NOT ADD OIL.
• If the oil level is below the lower hole or lower mark, engine oil must
be added to raise the level within the normal operating range.
• 2.5L I4 engine
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2009 Mariner (mrn)
Owners Guide, 1st Printing
USA (fus)