MERCEDES-BENZ S CLASS (2017-20) S450L 4DR SALOON LWB 3.0 SS 389 EU6 AMG LINE EXECUTIVE PREMIUM 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 PREMIUM 9G-T+ AUTO is a luxury executive saloon that sits at the top of the UK market for premium vehicles. Known for its spacious long-wheelbase design, this model offers extra comfort, making it ideal for executives, high-level professionals, and chauffeur-driven estates. Its sleek design, cutting-edge features, and smooth driving experience distinguish it from rivals, offering a blend of sophistication and advanced technology.
Data from mycarcheck.com indicates a steady interest in this model, with 39 checks conducted and an average recorded mileage of around 82,000 miles. The typical private sale value is roughly £30,600, reflecting its desirability and premium status. Most owners tend to keep the vehicle for about 1.6 years, often with just over one previous owner. These insights suggest it’s a well-regarded choice for those seeking a reliable, luxurious, and comfortable car for daily commuting or long-distance driving.
What makes the Mercedes-Benz S450L stand out is its refined interior, advanced safety features, and renowned reliability. Its eco-friendly EU6 engine combines power and efficiency, setting it apart from other luxury saloons. The S Class remains a leading example of comfort, prestige, and high-end innovation, appealing to those who want a premium vehicle that balances performance with elegance and practicality.
Before buying any Mercedes S-Class (2017-20), don’t risk hidden damage, outstanding finance, or mileage fraud. Enter the reg now and run a check to protect yourself from costly surprises.
Key Findings
The following statistics are drawn from our checks of 13 different vehicles, run between May 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.
39
Lookups
Lookups
2
Hidden Histories
Hidden Histories
97k
Average Mileage
Average Mileage
£30,600
Average Valuation
Average Valuation












