Arrived the 2009 Mercedes Benz 4Matic - That means All Wheel Drive Real Luxury for the people who understand LUXURY ! Engine and Drivetrain Engine 5,461-cc DOHC 32-valve V-8. Aluminum alloy cylinder block. Aluminum alloy heads. Net power 382 hp @ 6,000 rpm Net torque 391 lb-ft @ 2,800 - 4,800 rpm Compression ratio 10.7:1Fuel requirement Premium unleaded gasoline, 91 pump octane. Fuel tank (capacity — reserve) 23.8 gal — 2.9 gal Fuel and ignition system Sequential fuel injection and twin-spark ignition. Four valves per cylinder with continuously variable intake and exhaust valve timing. Transmission 7-speed automatic. Steering-wheel-mounted shift buttons allow for Touch Shift gear selection. Electronically controlled shifting. Driver-adaptive programming adjusts shift points to the driver's current driving style. Driver-selectable Comfort mode starts vehicle moving in 2nd gear or 2nd Reverse gear, and upshifts at lower rpm to help improve control on slippery surfaces. Drive configuration Standard all-wheel drive.