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 flagship luxury sedan that holds a prominent position in the UK market. Known for its elegant design and advanced features, this long-wheelbase model offers extra space and comfort, making it ideal for executives, professionals, or those seeking a refined driving experience. Its prestige and comfort make it a popular choice among those wanting a high-end vehicle that combines style with practicality.
According to mycarcheck.com, this model has been frequently checked, with a notable sample size of 145 lookups from 38 different VINs since early 2021. The average recorded mileage is around 47,000 miles, and it typically changes hands after approximately two years of ownership with around 10,000 miles driven annually. The average private sale value is listed at £33,500, reflecting its premium status and desirability in the used car market.
What sets the S450L apart is its combination of luxury, powerful performance, and advanced technology. It is best suited for individuals who prioritize comfort and style, such as executive drivers or those seeking a sophisticated family car. Compared to rivals like the BMW 7 Series or Audi A8, the S-Class is renowned for its exceptional ride quality, impressive interior, and cutting-edge driver assistance features, making it a standout choice in its class.
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 38 different vehicles, run between February 18th 2021 and April 30th 2026. These real-world insights provide context for this vehicle's place in the market, as well as its typical usage.
145
Lookups
Lookups
3
Hidden Histories
Hidden Histories
55k
Average Mileage
Average Mileage
£33,500
Average Valuation
Average Valuation












