Twin Test Mercedes-Benz CLS vs Porsche Panamera

Twin Test

Displacement-defying frugality? Given Mercedes-Benz is, as you digest these words, amid the ordeal of recalling nearly a quarter of a million cars by order of the German government, you might be surprised to learn we’re not talking about electronic ‘defeat devices’ here. What we’re actually contemplating is less nefarious. That’s because, with the CLS 450, its integrated starter- generator betwixt straight-six engine and the nine-speed gearbox is said to improve not only performance but also the economy. It’s a defeat device, all right, but only if your foes are lethargic…

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