Mercedes-Benz S-Class flagship is all new from the ground up for 2007. With more than 2.7 million sold globally since its introduction some 50 years ago, the world's best selling premium luxury car over the years has been nipped and tucked (from very boxy and decidedly boring to sleek and aerodynamic) to where it now represents everything the company stands for - panache, performance, safety and technological sophistication. At present, the S550 model, with its 5.5 litre V8 engine that is good for 382 hp and 391 lb-ft of torque, constitutes the S-Class lineup. Later this year Mercedes-Benz will introduce two new family members: an S600 model powered by a 5.5-litre twin-turbo V12 engine that will be rated for 510 hp and 612 lb.-ft. of torque; and an S65 AMG model, powered by a 6.0 litre V12 bi-turbo engine delivering 612 horses...more