The MERCEDES-BENZ S CLASS (2017-20) S400L 4DR SALOON LWB 2.9D DPFR SS 340 EU6 AMG LINE 9G-T+ AUTO is a luxury full-size saloon that sits at the top end of the UK market. Known for its spaciousness and elegant design, the long-wheelbase version offers extra rear legroom, making it especially popular among executives and more demanding owners who value comfort. With a reputation for smooth handling and cutting-edge features, this model combines advanced technology, a refined driving experience, and impressive fuel efficiency for a car of its size. Based on data from mycarcheck.com, which has seen 36 checks for this model across 14 different VINs since 2021, it is a vehicle often used for executive transport, chauffeur services, or families seeking luxury and space. Its average mileage of around 80,000 miles and annual use of 21,000 miles suggest it remains a reliable choice for long-distance and everyday driving. The average private sale value of approximately £31,100 highlights its appeal as a premium used car. What makes the Mercedes S Class stand out is its combination of stylish design, advanced safety features, and exceptional ride comfort. It is frequently compared favourably with rivals like the BMW 7 Series or Audi A8, often praised for its sophisticated interior and driving experience. Overall, the S400L offers a prestigious and comfortable choice for those seeking a high-end vehicle that balances luxury with practicality.