Mercedes-Benz has taken luxury motoring to the next level with the addition of S-Class 320 CDI model to its benchmark S-Class range. This extravagance and luxury saloon, which features around a dozen pioneering innovations that will make it the benchmark for future passenger car developments. Thanks to a huge 88 litre fuel tank and class leading economy, the latest specification S-Class has the potential to cover over 850 miles on a single fill of diesel.