The 2009 Mercury Mariner Hybrid compact hybrid SUV is available with either front-wheel drive or AWD. Standard features include 16-inch alloy wheels, a power driver seat, dual-zone automatic climate control, steering-wheel-mounted audio controls, Sync, satellite radio, an in-dash CD changer, an MP3 player input jack, a leather-wrapped steering wheel, wood-grain interior trim, cruise control, full power accessories and a trip computer.The optional Hybrid Premium Package adds a roof rack, rear parking sensors, heated leather seats, an upgraded seven-speaker audio system, a DVD-based navigation system with a hybrid energy flow/fuel consumption display and a cargo cover. The Leather Trim Package tacks on leather upholstery and adjustable lumbar support. The navigation system can also be ordered à la carte, as can Hybrid-specific 16-inch aluminum wheels.