Like the Polestar the new, entry-level CLA is rear-wheel drive, whereas power is sent to the front wheels on today’s combustion-powered Merc coupe and its EQA 250 electric cousin. Why the switch?

Together, these lines lend depth and dynamism to the side profile. The design of the rear end emphasizes the width of the CLA, expressing power and athleticism with the interaction of convex and ...