For decades, the Mercedes-Benz S-Class sedan has reigned as a supreme icon of luxury motoring. The S-Class is usually the first to receive Mercedes' latest technological and safety gadgets, giving us mere mortals a glimpse of things to come. This tradition continued with this iteration of the flagship sedan. The S550 also has power, ride and comfort fit for a monarch, but the fiendishly complicated controls can be a royal pain. For the S550, a 429-hp, 4.6-liter twin-turbo V8 is mated to a seven-speed automatic transmission. All-wheel-drive was an available option.
In most cases, automotive warranties are based on the vehicle identification number (VIN), and the warranty will be valid regardless of ownership. The dealership can tell you exactly how much warranty is left.Read more about extended warranties