The Mercedes CLS has long ruled the roost among four-door coupés. But recently the Audi A7 sport-back has given the convertible a run for its money. Now Mercedes is hitting back with the second-generation CLS, based on the E-Class. The exterior styling has been given a makeover and there is more power under the hood.The new CLS also sports 12 driver-assist systems. drive it! presents the new-look coupé, the latest bid by Mercedes to dominate the €60,000 price segment.