2006 Mercedes-Benz ML500

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When the Mercedes-Benz M-Class first arrived eight years ago, the new sport utility vehicle started a trend that inspired the entire auto industry to shift toward more luxurious car-like SUVs. Launched as the only sport utility in its class with four-wheel independent suspension, the original M-Class was one of the first to be designed from the ground up, rather than being based on an existing truck platform. The first-generation M-Class also won a number of automotive awards, including the prestigious North American Truck of the Year.

The new SUV is 5.9 inches longer, 2.8 inches wider and 0.2 inches lower on the road than its predecessor, with a 114-inch wheelbase that's 3.7 inches longer as well. Beneath its sleek exterior is an all-new unit body platform as well as a double-wishbone front suspension and a newly-developed four-link rear suspension that deliver impressive on-road driving performance and comfort.

New and useful technology abounds in the 2006 M-Class, including a standard seven-speed automatic transmission, an effective full-time four-wheel-drive system and optional features such as height-adjustable AIRMATIC air suspension. A revised four-wheel traction control system now incorporates functions such as a downhill driving aid and Hill-Start Assist.

ML500 Engine

The ML500 engine is a 5.0-liter 90-degree V8 with a single overhead camshaft in each cylinder bank. This engine architecture features twin spark plugs and three valves per cylinder ' two intakes and one large exhaust valve.

Three-valve-per-cylinder technology can reduce exhaust emissions, especially during the critical warm-up stage. Catalysts must heat up to work effectively, and modern engines must heat up quickly.

Mercedes-Benz ML500: Review (2/2)