Duratec 3.0L V6. 4 New tires and the front brakes have been serviced. Tons of cargo room! Very versatile! Be the talk of the town when you roll down the street in this do-it-all 2008 Mercury Mariner. A do everything SUV. This is a very trustworthy mode of transportation. It is extremely roomy and versatile, one of the safest SUVs on the road, and has magnificent visibility. Stop clicking, start buying today.