The MERCEDES-BENZ S CLASS (2020-) S500L 4MATIC 4DR SALOON LWB 3.0 MHEV 435 GPF SS EU6 AMG LINE PREMIUM PLUS 9G-T+ AUTO is a long-wheelbase luxury saloon, sitting at the top end of the UK executive-car market. It prioritises space, comfort and presence over compact size or low-cost everyday motoring. Mycarcheck.com recorded 120 look-ups across 28 distinct VINs, a useful snapshot of UK interest, though not a reliability survey. Its checks show an average private-sale valuation of £75,900, average recorded mileage of 36,000 miles and annual mileage of 13,000. Owners had typically had around one previous keeper. That makes the S500L suited to executives, chauffeur-style travel and families wanting generous rear-seat room, rather than first-time drivers seeking an economical runabout. Its mild-hybrid assistance, all-wheel drive and richly equipped cabin deliver relaxed journeys. Against rivals such as the BMW 7 Series and Audi A8, the Mercedes is known for comfort and prestige.