MERCEDES-BENZ S CLASS (2017-20) S450L 4DR SALOON LWB 3.0 SS 389 EU6 AMG LINE EXECUTIVE 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 EXECUTIVE 9G-T+ AUTO is a luxurious full-size saloon designed for comfort and style. It belongs to the premium executive vehicle market in the UK, often chosen by professionals, business leaders, and those seeking a high-end driving experience. Its extended wheelbase (LWB) adds rear passenger space, making it ideal for those prioritizing comfort for all occupants. Recent data from mycarcheck.com shows a total of 34 lookups, across 10 different VINs, indicating steady interest in this model. The average private sale value is around £38,000, with a typical mileage of about 31,000 miles, suggesting many buyers see it as a quality used luxury car. The vehicle's low number of previous owners—just over one—adds to its appeal as a well-maintained, reliable choice. The S-Class stands out with its sophisticated design, advanced features, and smooth driving experience. It is often used for executive travel or by those who want a prestigious vehicle with a comfortable ride. Compared to rivals like the BMW 7 Series or Audi A8, the S-Class is renowned for its balanced blend of luxury, technology, and reliability, making it a popular choice in its class for both comfort and prestige.

Don’t risk buying a Mercedes S-Class without checking. Hidden finance, write-offs, or mileage irregularities could be lurking. Enter the reg now and uncover any potential issues before it’s too late.

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Key Findings

The following statistics are drawn from our checks of 10 different vehicles, run between May 12th 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.
34
Lookups
1
Hidden Histories
44k
Average Mileage
£38,000
Average Valuation