MERCEDES-BENZ SL CLASS (2016-21) SL400 2DR ROADSTER 3.0 V6 367 GPF SS EU6 GRAND EDITION 9G-T+ AUTO

Buyer's Guide & Data from our Checks
The MERCEDES-BENZ SL CLASS (2016-21) SL400 2DR ROADSTER 3.0 V6 367 GPF SS EU6 GRAND EDITION offers a luxurious open-top driving experience, placing it firmly in the premium roadster segment of the UK market. It is designed for those who enjoy stylish, high-performance vehicles, often used for leisure or special occasions rather than daily commuting. With its sleek design and refined features, this model appeals to motorists seeking a combination of comfort, elegance, and spirited driving.
Analysis of mycarcheck.com data highlights a notable sample size of 39 checks on this specific model, with a consistent average mileage of around 15,000 miles suggesting careful usage by owners. The vehicle's average valuation of £44,500 and its low annual mileage indicate it generally appeals to buyers looking for a relatively low-mileage, high-end convertible. Its popularity is reflected in the high quality of ownership, averaging fewer than one previous owner, which can be attractive to buyers prioritizing reliability and proven ownership history.
This SL400 variant stands out for its powerful 3.0 V6 engine, combined with Mercedes-Benz’s renowned build quality and ride comfort. It’s known for offering a smooth and dynamic driving experience, with an emphasis on luxury features. Compared to rivals, it’s appreciated for its premium styling and advanced technology, making it a top choice for drivers seeking both performance and prestige in a stylish roadster.
Key Findings
The following statistics are drawn from our checks of 19 different vehicles, run between April 25th 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.
39
Lookups
Lookups
0
Hidden Histories
Hidden Histories
14k
Average Mileage
Average Mileage
£44,500
Average Valuation
Average Valuation












