The MERCEDES-BENZ S CLASS (2017-20) S450L 4DR SALOON LWB 3.0 SS 389 EU6 AMG LINE EXECUTIVE PREMIUM 9G-T+ AUTO is a luxury large saloon, positioned at the top end of the UK market. Its extended wheelbase offers added rear passenger space, making it ideal for executives, government officials, or those seeking comfort on long drives. Featuring a sleek design and refined interior, it combines advanced comfort features with cutting-edge technology, appealing to drivers who appreciate elegance and performance. From mycarcheck.com data, this model has been checked 36 times, with 13 different VINs, indicating a healthy level of interest in the used market. The average private sale value is around £31,200, with typical mileage about 81,000 miles, and owners tend to keep it for roughly 1.5 years, often just once or twice. This suggests that buyers see it as a reliable, prestige car suitable for those who want luxury without ongoing ownership complexities. What makes the S450L stand out are its premium features, smooth ride, and efficient EU6-compliant engine. It’s best suited for executives, professionals, or families wanting a combination of prestige, comfort, and practicality. When compared to rivals like the BMW 7 Series or Audi A8, it remains popular for its exceptional build quality and strong brand reputation, making it a highly desirable choice in the executive saloon segment.