The W205 Mercedes-Benz C-Class range is currently comprised of the sedan, coupe and estate body styles. A cabriolet version will soon join the line-up, including a hotter AMG version, which our spy photographers managed to capture undergoing testing.

Currently, the full-on Mercedes-AMG treatment has been applied to all three C-Class body styles, and the car seen in this set of photos appears to have originated from the power-hungry skunkworks of Affalterbach as well. Earlier, we’ve already seen spyshots of a non-AMG C-Class cabriolet for customers who want a little wind in their hair, but can make do without several hundred extra horsepower under the hood.

On the styling front, the C 63 Cabriolet adopts a majority of the C 63 Coupe’s styling. The front fascia features the same large air intakes, trademark two-bar grille, headlights and even the same wheels. At the rear, the instantly-recognisable quad AMG exhaust tips would most probably be linked to a 4.0 litre M177 biturbo V8 engine, as that found on other Mercedes-AMG C 63 models.

Moving slightly upwards from the exhausts, the taillights are also similar to that on the coupe, although with all that camouflage, it’s hard to tell if they have been made smaller to accommodate the new trunk design, which would probably make way for the folding roof’s mechanicals.

The main highlight is of course the cabriolet portion of the car. As you can see from the photos, the C 63 Cabriolet uses a folding soft top, which from the looks of things, appears to have provide quite a substantial area of coverage.

Unfortunately, to accommodate the soft top, modifications have to be put in place to incorporate the roof’s folding mechanism. As a result, the C 63 Cabriolet loses the coupe’s sleek roofline but retains its pillarless design.

With the E-Class Cabriolet serving as the official replacement for the previous CLK-Class Cabriolet, the C-Class Cabriolet will be a new addition to the W205 range that utilises the company’s rear-wheel drive Modular Rear Architecture (MRA). Said platform will also underpin the future W213 E-Class.

The C-Class Cabriolet was said to make its debut at this year’s Frankfurt Motor Show in September, but those plans appear to be pushed back to a later date. On arrival, the C 63 Cabriolet will have the BMW M4 Convertible to compete with, which uses a metal folding roof by comparison.

Mercedes-AMG C 63 S Coupe