MERCEDES-BENZ S CLASS (2017-20) S350L 4DR SALOON 2.9D DPFR SS 286 EU6 AMG LINE EXECUTIVE 9G-T+ AUTO

Buyer's Guide & Data from our Checks
The MERCEDES-BENZ S CLASS (2017-20) S350L 4DR SALOON 2.9D DPFR SS 286 EU6 AMG LINE EXECUTIVE 9G-T+ AUTO is a luxurious executive saloon that stands out in the UK market for its comfort, refinement, and advanced features. As part of Mercedes-Benz's flagship S-Class range, it is designed for those seeking a premium driving experience, often favored by executives or affluent individuals. Its spacious limousine-like interior and sophisticated technology make it ideal for business travel, family use, or chauffeur-driven roles. This model is well-regarded for its smooth ride, high-quality build, and impressive fuel economy, which, according to mycarcheck.com data, averages around 17,000 miles annually with a typical mileage of about 64,000 miles.
With nearly 2,000 lookups since 2021, this vehicle has seen strong interest, reflecting its popularity among buyers. It has a relatively low number of previous owners, averaging about 1.5, which often appeals to those looking for a well-maintained, reputable used car. The average private sale value is roughly £32,200, making it a competitive option in the luxury saloon market. Notably, the S-Class is known for its cutting-edge safety features, luxurious design, and the premium quality that sets it apart from rivals like BMW's 7 Series or Audi's A8.
What makes the MERCEDES-BENZ S CLASS (2017-20) S350L stand out is its blend of high-end comfort, advanced technology, and Mercedes’ reputation for reliability. It is best suited for professionals, families, or anyone wanting a sophisticated ride that combines everyday practicality with executive style. Its status as a flagship luxury car means it’s frequently used for special occasions or by those seeking top-tier driving experiences, making it a noteworthy contender in the premium saloon segment.
Key Findings
The following statistics are drawn from our checks of 662 different vehicles, run between February 17th 2021 and February 28th 2026. These real-world insights provide context for this vehicle's place in the market, as well as its typical usage.
1,969
Lookups
Lookups
90
Hidden Histories
Hidden Histories
79k
Average Mileage
Average Mileage
£32,200
Average Valuation
Average Valuation












