MERCEDES-BENZ S CLASS (2017-20) S450L 4DR SALOON LWB 3.0 SS 389 EU6 AMG LINE 9G-T+ AUTO

Buyer's Guide & Data from our Checks
The MERCEDES-BENZ S CLASS (2017-20) S450L 4DR SALOON LWB 3.0 SS 389 EU6 AMG LINE 9G-T+ AUTO is a luxurious large saloon that offers comfort and prestige, making it popular among executives and those seeking a premium driving experience. Known for its elegant design and advanced features, this long-wheelbase version provides extra legroom, making it especially suitable for chauffeurs or those who value extra space. In the UK market, it competes with high-end luxury sedans like the BMW 7 Series and Audi A8, standing out with its refinement, tech-rich interior, and smooth ride.
Based on data from mycarcheck.com, this vehicle has been checked 156 times, with a diverse range of 41 different VINs, indicating steady interest among used car buyers. The average recent mileage is around 49,000 miles, with most cars used for approximately 10,000 miles per year. The typical private sale value is approximately £32,800, reflecting its premium status and quality.
The S450L LWB is best suited to professionals, business owners, or families seeking comfort and status. It’s praised for its refined driving experience, upscale interior, and fuel efficiency thanks to its EU6 compliant engine. Compared to rivals, it’s known for its blend of luxury, reliability, and prestige, making it a standout choice for those looking for a distinguished executive car.
Before buying any Mercedes S-Class from 2017-20, hidden finance, accident damage, or stolen details could cost you. Enter the registration now and check instantly—don’t risk it when purchasing.
Key Findings
The following statistics are drawn from our checks of 41 different vehicles, run between February 18th 2021 and August 31st 2026. These real-world insights provide context for this vehicle's place in the market, as well as its typical usage.
156
Lookups
Lookups
4
Hidden Histories
Hidden Histories
57k
Average Mileage
Average Mileage
£32,800
Average Valuation
Average Valuation












