The 2015 Mercedes-Benz ML 350 4Matic is a luxury mid-size SUV featuring a 3.5L V6 engine that produces 302 horsepower and 273 lb-ft of torque. Paired with a 7-speed automatic transmission and an all-wheel-drive system, it achieves an EPA-estimated fuel economy of 17 mpg city / 22 mpg highway.