The Mercedes-Benz SL-Class Convertible (2012-2020) is praised for its luxurious interior, strong performance, and advanced technology. However, some critics note that the rear seats are cramped and the boot space is limited, making it less practical for everyday use.
Read full reviewMercedes-Benz SL-Class Convertible (2012 - 2020) review
Motoring Today Editorial · Updated 24 Jul 2026 · 8 min read· 2012–2020
The Mercedes-Benz SL-Class has long been a symbol of luxury and performance, captivating drivers since its inception in 1952. Fast forward to 2012, and the SL-Class Convertible emerged as a modern icon, blending timeless elegance with cutting-edge technology. Now, as we embrace the electric revolution, the SL-Class is set to make waves once again, promising a thrilling ride for budget-conscious commuters seeking a slice of retro charm.
The Mercedes-Benz SL-Class Convertible (2012 - 2020) is a remarkable blend of luxury, performance, and cutting-edge technology. With its retro icon reborn as an electric variant, it appeals to both traditional enthusiasts and modern eco-conscious drivers. This vehicle is highly recommended for those seeking a stylish and exhilarating driving experience, coupled with the prestige of the Mercedes-Benz brand.
At a glance
Motoring.Today. verdict
- Exceptional performance and handling
- Luxurious interior with high-quality materials
- Iconic design with modern technology
- Higher maintenance costs compared to non-luxury vehicles
- Limited rear seat space
- Some may find the infotainment system complex
Finance snapshot
Typical monthly payment
£1952/month
Based on PCP · 48 months · £11,700 deposit
Best suited for
- Company Car Drivers
- Petrol/Diesel Buyers
- High Mileage Drivers
- Families
Affordability
Premium
Above average monthly commitment.
Theo's AI summary
The Mercedes-Benz SL-Class Convertible (2012 - 2020) is a remarkable blend of luxury, performance, and cutting-edge technology. With its retro icon reborn as an electric variant, it appeals to both traditional enthusiasts and modern eco-conscious drivers. This vehicle is highly recommended for those seeking a stylish and exhilarating driving experience, coupled with the prestige of the Mercedes-Benz brand.
Best match for
- Performance enthusiasts
- Practical families
- Budget-conscious buyers
Estimated ownership costs
Based on 10,000 miles per year
£253/month
£190/month
£50/month
£60/month
Estimated total
£553/month
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With its advanced suspension system and precise steering, the SL-Class Convertible provides exceptional handling. The vehicle's low centre of gravity and well-balanced chassis contribute to a dynamic driving experience, allowing for confident cornering and stability at high speed
Verified spec data
Specifications
Performance
Power
301–621 bhp
0–60 mph
3.9 s
Fastest in range
Top speed
186 mph
Engine
2,996–5,980 cc
Economy & running
Fuel economy
23.0–39.0 mpg
WLTP combined
Miles per £
4.5 mpp
CO₂
169–279 g/km
Insurance group
48–50 of 50
Road tax
£600/yr
Standard VED
Dimensions & practicality
Length
4,631 mm
Width
2,099 mm
Height
1,314 mm
Wheelbase
2,585 mm
Kerb weight
1,785 kg
Seats
2
Doors
2
Figures span the 28 recorded trim variants (2012–2020). Exact figures vary by trim, options and model year — always confirm on the specific car's listing.
Check this SL-Class before you buy
External voices
What the experts say
The SL-Class boasts a stunning design with a sleek silhouette and high-quality materials. Reviewers commend its elegant styling and attention to detail, although some feel the design could be more adventurous.
Read full reviewReliability ratings for the SL-Class are generally positive, with many owners reporting few issues. However, some have experienced electrical problems and high repair costs, which could be a concern for potential buyers.
Ownership intelligence
The real cost of owning one
Finance options for the Mercedes-Benz SL-Class Convertible are flexible, with various leasing and loan arrangements available. Potential buyers can explore competitive interest rates and tailored packages that suit their financial needs, making it easier to own this luxury sports car.
Running Costs for the Mercedes-Benz SL-Class Convertible are competitive for a luxury vehicle of its calibre. While maintenance and insurance may be higher than average, the overall performance and reliability of the car justify the investment. Regular servicing and genuine parts contribute to the longevity of the vehicle, ensuring that it remains in peak condition for years to come.
Charging or Fuel costs will vary depending on the engine choice. The petrol variants offer a balance of performance and efficiency, while the electric model provides an eco-friendly alternative with lower running costs. Charging infrastructure is becoming increasingly accessible, making it easier for electric vehicle owners to keep their cars powered.
Heritage
Milestones & history
2012
Launch of the new generation SL-Class Convertible
2016
Introduction of the AMG variants
2020
Launch of the electric variant, marking the rebirth of a retro icon
Read full launch story
The purpose of the Mercedes-Benz SL-Class Convertible has always been to provide a luxurious and high-performance driving experience, combining elegance with sportiness. Since its inception, the SL-Class has evolved significantly, adapting to changing consumer preferences and technological advancements. The latest models reflect a commitment to sustainability while honouring the classic design elements that have made the SL-Class a beloved icon.
Compare with alternatives
The Mercedes-Benz SL-Class Convertible (2012 - 2020) stands out in the luxury convertible segment for its blend of comfort, performance, and advanced technology, competing closely with high-performance rivals like the Porsche 911 and more budget-friendly options like the BMW Z4 and Audi A5 Cabriolet.
Porsche 911 Convertible
High-performance luxury sports car known for its iconic design and driving dynamics.
- vs features
- The Porsche 911 Convertible offers a more engaging driving experience with sharper handling and a more performance-oriented setup compared to the SL-Class, which leans towards comfort and luxury. The tech and cabin quality are also top-notch, but the 911's interior is more driver-focused.
- vs price
- The 911 Convertible is generally more expensive than the SL-Class, especially when considering performance options and higher trims.
BMW Z4 Convertible
A sporty roadster that balances performance and luxury at a more accessible price point.
- vs features
- The Z4 offers a sportier driving feel than the SL-Class, with a focus on agility and fun. However, the SL-Class provides a more luxurious interior and advanced tech features, making it feel more premium overall.
- vs price
- The Z4 is typically less expensive than the SL-Class, making it a more budget-friendly option for those seeking a convertible experience.
Audi A5 Cabriolet
A stylish and practical convertible that offers a blend of luxury and everyday usability.
- vs features
- The A5 Cabriolet provides a comfortable ride with a well-appointed interior, but it lacks the performance edge of the SL-Class. The tech features are competitive, but the overall driving experience is more relaxed compared to the SL-Class.
- vs price
- The A5 Cabriolet is generally less expensive than the SL-Class, appealing to buyers looking for luxury without the higher price tag.
Available now
Mercedes-Benz SL-Class Convertible (2012 - 2020) for sale on Motoring Today
Gallery
(15)Mercedes-Benz SL-Class Convertible (2012 - 2020) trim & engine line-up
Representative trims and engines recorded for this model.
| Trim | Fuel | Power | 0–60 | Economy | CO₂ | Ins. | New price |
|---|---|---|---|---|---|---|---|
| SL 500 Grand Edition 9G-Tronic Plus auto 2dAutomatic · Rear wheel drive · 2019–2020 | Petrol | 448 bhp | 4.2s | 26.4 - 27.4 mpg | 235 g/km | 50 | £87,385 |
| SL 400 Grand Edition 9G-Tronic Plus auto 2dAutomatic · Rear wheel drive · 2019–2020 | Petrol | 361 bhp | 4.7s | 28.8 - 29.7 mpg | 215 g/km | 48 | £78,685 |
| SL 400 Grand Edition Premium 9G-Tronic Plus auto 2dAutomatic · Rear wheel drive · 2019–2020 | Diesel | 361 bhp | 4.7s | 28.8 - 29.7 mpg | 215 g/km | 49 | £82,680 |
| SL 63 AMG Speedshift MCT auto (07/2018 on) 2dAutomatic · Rear wheel drive · 2018–2019 | Petrol | 563 bhp | 4s | 23.2 - 23.5 mpg | 268 g/km | 50 | £116,975 |
| SL 500 Designo Edition 9G-Tronic Plus auto 2dAutomatic · Rear wheel drive · 2017 | Petrol | 448 bhp | 4.2s | 30 mpg | 210 g/km | 49 | £95,255 |
| SL 65 AMG Speedshift Plus 7G-Tronic auto 2d autoAutomatic · Rear wheel drive · 2016–2017 | Petrol | 621 bhp | 3.9s | 23 mpg | 279 g/km | 50 | £173,890 |
| SL 63 AMG Speedshift MCT auto 2d autoAutomatic · Rear wheel drive · 2016–2018 | Petrol | 576 bhp | 4s | 24 mpg | 264 g/km | 50 | £116,025 |
| SL 500 AMG Line 9G-Tronic Plus auto 2dAutomatic · Rear wheel drive · 2016–2019 | Petrol | 448 bhp | 4.2s | 25.9 - 26.9 mpg | 223 g/km | 50 | £85,805 |
| SL 400 Edition 9G-Tronic Plus auto 2dAutomatic · Rear wheel drive · 2016 | Petrol | 361 bhp | 4.7s | 36 mpg | 175 g/km | 50 | £74,700 |
| SL 400 AMG Line 9G-Tronic Plus auto 2dAutomatic · Rear wheel drive · 2016–2019 | Petrol | 361 bhp | 4.7s | 31 mpg | 191 g/km | 50 | £77,105 |
| SL 400 2LOOK Edition 2d AutoAutomatic · Rear wheel drive · 2015 | Petrol | 328 bhp | 5s | 36 mpg | 179 g/km | 50 | £77,845 |
| SL 63 (585bhp) 2d Tip AutoAutomatic · Rear wheel drive · 2014–2016 | Petrol | 576 bhp | 4.1s | 28 mpg | 229 g/km | 50 | £113,315 |
Specs by trim
SL 400 AMG Sport 2d AutoPetrol Automatic · 2014–2016
- Power
- 328 bhp
- 0–60 mph
- 5 s
- Top speed
- 155 mph
- Torque
- 480 Nm
- Economy
- 36 mpg
- Range
- 514 mi
- CO₂
- 179 g/km
- Insurance group
- 50
- Road tax
- £335
- New price
- £73,225
SL 63 (585bhp) 2d Tip AutoPetrol Automatic · 2014–2016
- Power
- 576 bhp
- 0–60 mph
- 4.1 s
- Top speed
- 155 mph
- Torque
- 900 Nm
- Economy
- 28 mpg
- Range
- 462 mi
- CO₂
- 229 g/km
- Insurance group
- 50
- Road tax
- £710
- New price
- £113,315
SL 400 Mille Miglia (417bhp) Edition 2d AutoPetrol Automatic · 2015–2016
- Power
- 328 bhp
- 0–60 mph
- 5 s
- Top speed
- 155 mph
- Torque
- 480 Nm
- Economy
- 36 mpg
- Range
- 514 mi
- CO₂
- 179 g/km
- Insurance group
- 50
- Road tax
- £335
- New price
- £84,985
SL 500 Mille Miglia (417bhp) Edition 2d AutoPetrol Automatic · 2015–2016
- Power
- 448 bhp
- 0–60 mph
- 4.5 s
- Top speed
- 155 mph
- Torque
- 700 Nm
- Economy
- 31 mpg
- Range
- 443 mi
- CO₂
- 212 g/km
- Insurance group
- 50
- Road tax
- £415
- New price
- £94,695
SL 500 (455bhp) AMG Sport 2d AutoPetrol Automatic · 2015–2016
- Power
- 448 bhp
- 0–60 mph
- 4.5 s
- Top speed
- 155 mph
- Torque
- 700 Nm
- Economy
- 31 mpg
- Range
- 443 mi
- CO₂
- 212 g/km
- Insurance group
- 50
- Road tax
- £415
- New price
- £82,490
SL 400 AMG Line 9G-Tronic Plus auto 2dPetrol Automatic · 2016–2019
- Power
- 361 bhp
- 0–60 mph
- 4.7 s
- Top speed
- 155 mph
- Torque
- 500 Nm
- Economy
- 31 mpg
- Range
- 511 mi
- CO₂
- 191 g/km
- Insurance group
- 50
- Road tax
- £305 - £600
- New price
- £77,105
+ 13 more trim variants
FAQs
- What makes the Mercedes-Benz SL-Class Convertible a luxury sports car?
- The Mercedes-Benz SL-Class Convertible combines stunning design, powerful engine options, and a luxurious interior with high-quality materials, offering an exhilarating driving experience that appeals to both enthusiasts and everyday commuters.
- Is there an electric variant of the SL-Class Convertible?
- Yes, the upcoming electric variant of the SL-Class Convertible promises to blend retro charm with advanced technology, catering to drivers seeking sustainability without compromising on performance.
- What are the key features of the SL-Class Convertible's interior?
- The SL-Class Convertible boasts a luxurious interior with high-quality materials, advanced technology, and a focus on comfort, ensuring an enjoyable driving experience for both short commutes and long journeys.
- How has the SL-Class Convertible evolved since its launch?
- Since its launch in 2012, the SL-Class Convertible has evolved through various generations, introducing advanced technology and improved performance, while maintaining its iconic design and status in the luxury convertible market.
- What is the significance of the SL-Class Convertible's 5-star Euro NCAP rating?
- The 5-star Euro NCAP safety rating signifies that the SL-Class Convertible offers exceptional safety features, providing peace of mind for drivers and passengers alike, making it a reliable choice in the luxury sports car segment.














