MERCEDES-BENZ S CLASS (2017-20) S400L 4DR SALOON LWB 2.9D DPFR SS 340 EU6 AMG LINE REAR LUXURY LOUNGE 9G-T+ AUTO

Buyer's Guide & Data from our Checks
The MERCEDES-BENZ S CLASS (2017-20) S400L 4DR SALOON LWB 2.9D DPFR SS 340 EU6 AMG LINE REAR LUXURY LOUNGE 9G-T+ AUTO is a luxurious executive saloon that sits at the top of the UK luxury car market. As a long wheelbase version, it offers extra space and comfort, making it ideal for drivers who value a smooth, refined ride or need a premium car for business or personal journeys. With its elegant design and high-quality finish, this model is well-suited to executives, company car users, or those seeking a prestigious vehicle with a reputation for comfort and technology.
Based on mycarcheck.com data, this model has been seen in at least three different VINs and has a consistent average mileage of around 69,000 miles, with most owners having just over one previous keeper. Its average private sale value is estimated at around £35,300, indicating strong residual value in the UK used market. The car is typically used for long-distance travel, daily commuting, or as a luxury family car, thanks to its spaciousness and onboard comfort features.
What makes this Mercedes-Benz S Class stand out is its combination of advanced features, elegant design, and renowned reliability. Compared to rivals like the BMW 7 Series or Audi A8, the S Class is often praised for its superior ride quality, cutting-edge technology, and luxurious interior. Known for a refined driving experience, this model appeals to buyers seeking comfort, prestige, and dependability in a premium saloon.
Key Findings
The following statistics are drawn from our checks of 3 different vehicles, run between November 21st 2021 and December 31st 2025. These real-world insights provide context for this vehicle's place in the market, as well as its typical usage.
9
Lookups
Lookups
0
Hidden Histories
Hidden Histories
90k
Average Mileage
Average Mileage
£35,300
Average Valuation
Average Valuation












