What should I know?
That this, with its 3.0-litre straight-six turbo-plus-e-compressor, is the fastest car in the CLS line-up, the AMG 63 role falling to the forthcoming GT 4dr: 429bhp, 383lb ft, 4WD, 4.5 to 62mph and £74,050.
Should I care?
If you want a slick, sophisticated but otherwise Teflon-coated car, then yes. It steers, rides and handles crisply and competently. Good cabin, too. But where’s the individuality?