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 luxury full-size saloon that sits at the top end of the UK executive car market. It offers spaciousness and comfort, making it an ideal choice for those who frequently travel or prioritize a smooth, refined driving experience. With a longer wheelbase design, the S400L provides extra legroom, especially suitable for motorway driving or chauffeur services. Data from mycarcheck.com indicates a moderate sample of 51 checks, mostly associated with vehicles averaging around 38,000 miles and typically owned for just over a year and a half. This suggests that the model holds good value and attracts dedicated owners who appreciate its premium features. The average private sale valuation of around £38,900 reflects its desirability and luxury status. Known for its combination of sophisticated design, advanced features, and a powerful yet efficient engine, the S-Class is often compared to rivals like BMW’s 7 Series or Audi’s A8. It’s best suited to professionals, executive drivers, or families seeking a premium, comfortable, and reliable car. This model is especially notable for its high-quality interior, cutting-edge safety tech, and smooth driving experience, making it a standout choice in the luxury saloon segment.