The MERCEDES-BENZ S CLASS (2017-20) S500L 4DR SALOON LWB 3.0 SS 457 EU6 AMG LINE EXECUTIVE PREMIUM PLUS 9G-T+ AUTO is a long-wheelbase luxury saloon, sitting near the top of the UK executive-car market. It pairs a spacious, formal four-door design with a powerful petrol engine and an especially comfortable focus, rather than compact-car practicality or low-cost motoring. It is designed primarily for relaxed, quiet travel over distance. Mycarcheck.com records 295 checks across 91 distinct VINs, a useful sample for this uncommon flagship. The checks show an average private-sale valuation of £41,700 and average recorded mileage of 54,000 miles; typical annual mileage is 12,000, while cars have averaged about 1.5 previous keepers. These are check data, not guarantees. It suits executives, chauffeur use and buyers needing rear-seat space for family or business travel, but not tight budgets or crowded city parking. AMG Line styling adds appeal, while the S-Class is known for refinement and a smoother, more luxurious ride than the BMW 7 Series or Audi A8 rivals.