The 2011 Mercedes-Benz CLS 550 Coupe is a step in the right direction for drivers who expect class, luxury, comfort, and performance in one package. That’s a lot to ask, but Mercedes-Benz delivers with this 4-door coupe. And at $74,000 MSRP, it’s still a bargain. The engine is a 5.5-liter V8 with 32 valves. It kicks [...]