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
The same engine as the S 450, but with a bit more power and torque. Impressively, there’s no economy or emissions penalty, either.