Mercedes-AMG C 63 S Cabriolet review: the M4 Convertible’s worst nightmare

It may have lost its roof, but the Mercedes-AMG C63 has lost none of its brutish charm or ruthless appetite for speed. It sounds fantastic, has supermodel looks and feels as if it could run rings around a BMW M4 Convertible.

Deputy news editor, Jonathan Burn, drives the blistering AMG version of the C-Class Cabriolet to see what’s what…