2012 Mercedes-Benz S-Class

For the 2012 model year, Mercedes-Benz adds the S350 BlueTEC to its S-Class lineup. The S350 BlueTEC features a 3.0-liter 240-horsepower V6 turbodiesel and standard 4MATIC all-wheel drive. In addition, the S550 receives a new 4.6-liter twin-turbo direct-injection 429-horsepower V8, producing more power and better fuel economy. The S63 AMG also gets a new engine, a 5.5-liter 536-horsepower biturbo V8 that features twin turbochargers. Most 2012 S-Class versions are equipped with a new, more fuel efficient 7-speed automatic transmission.