The Mercedes-Benz S-Class is one of the best luxury cars around. It's supremely comfortable and offers all the performance, space and gadgets you could want, although for that last tenth of ride quality and high-speed refinement, the Audi A8 just pips it.get the best price
Trim: Grand Edition
Engine: S400d L
The diesel engine in the S400d makes 53bhp more than that in the S350d, with a total of 335bhp, giving it even more punch off the line. Regardless of output, both petrol engines excel by how effortlessly they build speed, rather than their outright pace.