Detailed item info Model OverviewFor 2010. U. S. customers will have their choice of either the E350 or the E550. Both are available as either a coupe. or sedan. The coupe is available only in rear-wheel drive. but the sedans are available in either luxury or sport trims and with either RWD or Mercedes-Benz' 4MATIC All-Wheel-Drive. The E63 AMG tops out the E Series lineup and available only in rear-wheel drive. The E350 trims offer a 3. 5L V6 engine making 268 horsepower @ 6000 rpm and 258 pounds-feet of torque @ 2400-5000 rpm. The E550 trims feature a 5. 5L V8 engine making 382 horsepower at 6000 rpm and 391 pounds-feet of torque @ 2800- 4800 rpm. RWD trims are mated to a 7-speed automatic transmission while all AWD powertrains are mated to a 5-speed automatic transmission. all with overdrive. All E-Class trims come very well equipped as luxury cars. Available options include a navigation system. premium sound system. satellite radio. HID headlights. rear park assist. backup camera. keyless start. hard disk drive. HD radio. panoramic roof. night vision and heated/cooled seats. Window curtain airbags and side-impact airbags are standard on the E-Class. along with PRE-SAFE. a system that tenses the seatbelts if it anticipates a collision and closes the sunroof and side windows if it anticipates a loss of control. New standard technology for 2010 includes Attention Assist. which detects driver drowsiness; Adaptive Main (High) Beam Assist. for oncoming drivers; enhanced LED daytime driving lights; Blind Spot Assist; Lane Keeping Assist. which uses vibrations in the steering wheel to inform the driver if they're veering out of their lane; Speed Limit Assist. which recognizes speed limit signs as the car passes them. then displays the relevant speed limit in the speedometer; and Brake Assist Plus. The E63 AMG features a hand-build 6. 3L V8 engine that produces an astonishing 518 horsepower and 465 pounds-feet of torque. It does this by utilizing four valves per cylinder. variable valve timing. bucket-style tappets and a variable intake manifold.