Notable for the 2009 Mercedes-Benz C-Class are two new seat-mounted pelvic airbags bringing the number of airbags to eight. C300 models are powered by a 3.0L V6 generating 228 hp and 221 lb-ft of torque, paired to a seven-speed automatic that is standard on the C300 Luxury and optional on the C300 Sport. The C-Class comes with rear-wheel drive. The C350 Sport features a 3.5L V6 that pumps out 268 hp and 258 lb-ft of torque, with the seven-speed automatic being the only transmission option. C350 fuel economy estimates are 17 mpg city/25 mpg hwy and 20 mpg combined, while a rear-wheel-drive C300 with an automatic transmission gets rating in 18/25/21 mpg range. The rear-wheel-drive C63 AMG is powered by a 6.3L V8 that packs 451 hp and 443 lb-ft of torque paired with a seven-speed automatic transmission. Fuel economy ratings are 12 mpg city/19 mpg hwy and 15 mpg combined. Standard Mercedes C-Class safety equipment includes front side airbags, full-length side curtain airbags, active front head restraints, stability and traction control and adaptive antilock brakes.