The Mercedes-Benz S Class (2017-20) S350 4DR Saloon is a luxury vehicle that ranks highly in the executive car segment within the UK market. Known for its elegant design, superior comfort, and advanced features, it appeals to those seeking a prestigious car for both business and personal use. The vehicle is often chosen by professionals, executives, and those who value a smooth, refined ride, making it ideal for long-distance cruising and daily commuting. With over 591 checks and data from 205 unique VINs, the S350 models stand out for their consistent quality and reliability. The average recorded mileage of around 46,000 miles and a typical ownership history of just over one owner suggest these cars are well-maintained and have been used sensibly. Its high average valuation of approximately £33,500 reflects its premium status and desirability in the used car market. What makes this version notable are its combination of luxury features, fuel efficiency under EU6 standards, and advanced 9G-Tronic automatic transmission. When compared to rivals, the S350's reputation for comfort, durability, and impressive road presence keeps it at the top of the executive saloon class, making it a strong choice for those seeking a sophisticated, reliable vehicle in the used car market.