LOOK OUT, Audi and BMW. Mercedes-Benz is serious about hanging on to its C-class leadership with the C204 Coupe – a belated response to the A5 and 3 Series Coupe, but with fresh engine tech, new bodywork aft of the windscreen, and value pricing to match. Kicking off upwards of $10,000 below the equivalent competition, Daimler hopes to throw a sleek and sporty cat among the posh style pigeons. Has it succeeded?