The 2009 ML320 BlueTEC, GL320 BlueTEC, and R320 BlueTEC use the same clean, smooth, and potent 3.0-liter turbocharged, direct-injection diesel V-6 as the E320 BlueTEC sedan. The output and fuel

The ML 320 CDI stamps its mark with a superb diesel powerplant, trademark Mercedes-Benz luxury, quality and engineering. In direct comparisons with its opposition, it also represents good value. The Competition. Comparisons with BMW's X5 30d are obvious and the ML320 CDI just shades its German rival on power, torque and price.

The engine features Mercedes’ BlueTEC technology, which includes a smooth stop-start system, and is mated to a new 7G-Tronic Plus seven-speed auto gearbox. Claimed economy has risen from 32.5mpg .