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 9G-T+ AUTO is a luxury convertible that combines sporty style with high-end comfort. This model is well positioned in the UK market as a premium roadster, appealing to those seeking an elegant vehicle for leisure driving, weekend escapes, or sunny day cruises. Its sleek design and open-top appeal make it stand out in the sports car and luxury convertible segment, often favored by enthusiasts or buyers looking for a stylish vehicle that offers a refined driving experience.
According to mycarcheck.com data, this particular model has been checked approximately 40 times, with a wide variation in individual histories (19 different VINs recorded). The typical private sale value is around £44,200, and most cars have a relatively low average mileage of about 15,000 miles, indicating these vehicles are generally used for pleasure rather than daily commuting. With an average of less than one previous keeper per vehicle, they tend to be well-maintained and loved by owners.
What makes the SL400 unique is its blend of powerful performance, smooth automatic transmission, and luxurious features, making it ideal for buyers who want a prestigious car that’s fun to drive. It’s often considered a rival to other luxury convertibles like the BMW Z4 or Jaguar F-Type, but with Mercedes-Benz’s reputation for reliability and quality. Its standout qualities include impressive design, plush interior, and a strong V6 engine, making it well-suited for those who desire both style and substance in a premium open-top vehicle.
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Key Findings
The following statistics are drawn from our checks of 19 different vehicles, run between April 25th 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.
40
Lookups
Lookups
0
Hidden Histories
Hidden Histories
15k
Average Mileage
Average Mileage
£44,200
Average Valuation
Average Valuation












