Mercury Mountaineer 2001 Owner's Manual page 280

Filling station information
handle. MERCON and MERCON V are not interchangeable. DO NOT
mix MERCON and MERCON V. Refer to your scheduled maintenance
guide to determine the correct service interval.
3
Indicates only approximate dry-fill capacity. Some applications may
vary based on cooler size and if equipped with in-tank cooler.The amount
of transmission fluid and fluid level should be set by the indication on
the dipstick's normal operating range.
280