MERCEDES-BENZ SL CLASS (2016-21) SL400 2DR ROADSTER 3.0 V6 367 SS EU6 AMG LINE PREMIUM 9G-T+ AUTO
The MERCEDES-BENZ SL CLASS (2016-21) SL400 2DR ROADSTER is a luxury two-door convertible that epitomises elegant design combined with German engineering excellence. This model falls into the premium sports and luxury car market, offering a striking roadster experience perfect for those who value style, performance, and open-air driving. Well-suited to individuals or couples seeking a statement vehicle for leisure and special occasions, the SL400 is ideal for those who enjoy a refined driving experience with the freedom of a convertible. Its sleek design, powerful 3.0 V6 engine with 367 horsepower, and advanced features make it a standout choice among rivals like BMW’s Z4 or Porsche’s Boxster.
What makes the Mercedes-Benz SL400 unique is its combination of luxury and sporty performance, complemented by high-end features such as the AMG Line Premium trim and cutting-edge automatic transmission. It’s known for delivering smooth handling, impressive acceleration, and a comfortable cabin filled with premium materials. While it’s a highly desirable vehicle in the used car market—with an average valuation of around £40,200 and low mileage (~17,000 miles)—it also boasts a history of well-maintained ownership, typically having just under 1.5 previous keepers. Whether you're a car enthusiast looking for a stunning weekend cruiser or someone seeking a top-tier convertible with a luxurious feel, the Mercedes-Benz SL400 Roadster offers an exceptional driving experience and a prestigious presence on the road.
average use
The most recent mileage data for the Mercedes-Benz SL Class (2016-21) SL400 Roadster indicates that a significant proportion of these vehicles have mileage readings below 20,000 miles, with 35.9% recording between 0 and 10,000 miles and another 35.9% between 10,000 and 20,000 miles. This suggests that a large portion of these vehicles are relatively low-mileage, likely indicating they are well-maintained or used sparingly. Additionally, about 19.4% have traveled between 20,000 and 30,000 miles, while only small fractions—each at 3.9%—have recorded between 30,000 to 50,000 miles, and just 1% exceed 50,000 miles. Overall, the data points to a trend of relatively low mileage across most of these vehicles, reflecting their appeal as premium, well-kept cars.
vehicle values
The data presents private sale price distribution percentages for a 2016-21 Mercedes-Benz SL400 Roadster within various price ranges in the UK. Notably, the highest concentration of valuations falls within the £30,000 to£34,000 bracket, which accounts for over 30% of the valuations, indicating this is a common market segment for this model. Smaller percentages are observed at both lower (around £26,000 to £28,000) and higher (£47,000+) price points, reflecting less frequent valuations in those ranges. Interestingly, the data shows a relatively uniform distribution at higher price points, such as £52,000 to £56,000, and low percentages at lower ranges, suggesting the market clients tend to value this vehicle within a mid-to-high bracket, with fewer vehicles valued at both extremes.
production years
The data indicates that the majority of the Mercedes-Benz SL-Class (2016-21) SL400 2DR Roadsters with the specified specifications are manufactured in 2018 and 2019, accounting for approximately 47.6% and 51.5% respectively. Vehicles from 2020 make up only about 1% of the sample, suggesting that the model was predominantly produced in the earlier years of the range. This distribution may reflect the typical manufacturing and delivery timelines, with a focus on the 2018 and 2019 models.
colour popularity
The data indicates that the most common main paint colour for the Mercedes-Benz SL Class (2016-21) SL400 Roadster is Black, accounting for 34% of the sample. This is followed by Grey at 25.2% and Blue at 18.4%, highlighting a preference for darker and more traditional colours among owners. White, at 13.6%, is also quite popular, while Silver and Red are less common, representing 4.9% and 3.9% respectively. Overall, darker shades appear to be favored in this model range, with Black and Grey collectively comprising nearly 60% of the offerings.
ownership cycle
The data indicates that a significant portion of the Mercedes-Benz SL Class (2016-21) SL400 2DR Roadster vehicles have relatively low numbers of registered keepers. Specifically, 22.3% have had only one keeper, suggesting many vehicles may stay with their initial owners for extended periods. Conversely, a notable 33% of the vehicles have had two keepers, and smaller percentages have experienced higher numbers of keepers, with 3 keepers at 29.1% and 4 keepers at 9.7%. Interestingly, only a very small fraction, 1.9%, have had six keepers, and 3, 5 keepers account for 29.1% and 3.9% respectively. Overall, the data reflects a broad distribution, but a prominent trend towards vehicles being retained with fewer owners.
engine choices
The data indicates that all Mercedes-Benz SL Class (2016-21) SL400 models, specifically the 3.0 V6 versions equipped with AMG Line Premium and 9G-T+ automatic transmission, are fitted with a 2996cc engine and are exclusively powered by petrol. This uniformity suggests that there is no variation in engine capacity or fuel type within this specific vehicle subset, highlighting a consistent engine and fuel configuration across the model range during this period.
