What Car? says...
Along with its saloon and coupe stablemates, the four-seat Mercedes S-Class Cabriolet represents the pinnacle of luxury and technology within the brand’s range. Indeed, you can guarantee that any new generation of S-Class will debut a selection of gadgets and gizmos designed to make life that little bit easier or safer.
To motivate over two tonnes of leather-lined drop top, you’ve a choice of two engines. Unlike the saloon, there’s no six-cylinder option for those looking to save a few quid. Instead, you can have a 4.0-litre turbocharged V8 in the S 560 or an even more powerful version of that engine, thoroughly reworked by AMG, in the S 63.