The MERCEDES-BENZ S CLASS (2017-20) S400L 4DR SALOON LWB 2.9D DPFR SS 340 EU6 AMG LINE PREMIUM PLUS 9G-T+ AUTO is a large luxury saloon car widely regarded as one of the top models in the executive car segment. It offers a spacious long-wheelbase design, making it especially suited for those who value rear passenger comfort or chauffeur-driven driving. In the UK market, this vehicle is popular among professionals, executives, and larger families seeking comfort, style, and premium features in a premium saloon. Based on mycarcheck.com data from 57 vehicle checks, this model has an average valuation of around £37,300 and typically records mileages close to 43,000, well within expected ranges for a car of this age. It is often owned by just over one previous owner, reflecting a tendency for owners to keep it for several years before selling. This vehicle is used mainly for daily commuting and leisure, and its reputation for luxury, reliability, and advanced features makes it stand out against rivals such as the BMW 7 Series or Audi A8. What makes the S400L especially notable is its blend of elegant design, high-end interior features, and smooth driving experience. Its powerful yet efficient diesel engine paired with the AMG Line and premium upgrades provides a refined journey, perfect for those who enjoy luxury motoring. In its class, it is recognized for its impressive comfort, technology, and reputation for quality, making it an excellent choice for discerning drivers looking for a prestigious executive car.