MERCEDES-BENZ S CLASS (2017-20) S350L 4DR SALOON 2.9D DPFR SS 286 EU6 AMG LINE PREMIUM 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 PREMIUM 9G-T+ AUTO is a luxury executive car that sits at the top of the UK premium saloon market. Known for its elegant design, advanced technology, and plush interior, this model appeals to professionals and those seeking comfort and prestige. It’s a full-sized saloon, making it ideal for long-distance cruising or executive transport, and it’s often used by business users or affluent families who value comfort and style.
Data from mycarcheck.com shows that this particular model has been well-loved, with 349 checks and a typical mileage of around 52,000 miles. The average private sale value is approximately £34,400, highlighting its desirability and strong residual value. Most owners tend to keep the car for around 1.5 years, often as a first or second owner, which indicates its popularity among those upgrading or seeking a reliable yet luxurious vehicle.
What makes this S-Class stand out is its blend of advanced safety features, refined driving experience, and impressive fuel economy for a car of its size and class. It is often compared favorably to rivals like the BMW 7 Series or Audi A8, distinguished by Mercedes-Benz’s signature comfort and innovative technology. Overall, this model is perfect for those who want a prestigious, comfortable, and dependable vehicle for everyday use or special occasions.
Key Findings
The following statistics are drawn from our checks of 135 different vehicles, run between February 18th 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.
349
Lookups
Lookups
17
Hidden Histories
Hidden Histories
67k
Average Mileage
Average Mileage
£34,400
Average Valuation
Average Valuation












