2017 Mercedes-Benz SL 3.0 SL400 V6 AMG Line

Overview

• Make: Mercedes-Benz
• Model: SL
• Trim: AMG Line
• Version: 3.0 SL400 V6 AMG Line G-Tronic+ RWD Euro 6 (s/s) 2dr Roadster (362 bhp)
• Year: 2017
• Mileage: 86,417 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 3.0 litres, 362 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 175 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 86,417 miles on the clock, this 2017 Mercedes-Benz SL AMG Line has done roughly 53,200 more miles than a typical 2017 Mercedes-Benz SL. Its asking price of £24,950 is £2,086 above the AskCar estimate of £22,864. The AskCar estimate uses UK dealer asking prices, including 374 Mercedes-Benz SL adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 109 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is James Richards Car Sales, based in Stevenage. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £2,086 (9%) over the AskCar estimate of £22,864.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 374 priced Mercedes-Benz SL adverts across different ages and specifications, as of 8 November 2026.

Time on sale

This 2017 Mercedes-Benz SL has been on sale for at least 109 days.

Price history

AskCar first saw this advert on 22 July 2026 at £23,999. Its asking price is now £24,950, £951 more.

Price changes recorded:

• 22 July 2026: £23,999
• 5 August 2026: £23,750
• 20 August 2026: £22,950
• 28 August 2026: £22,495
• 5 September 2026: £21,950
• 9 September 2026: £21,495
• 25 September 2026: £20,950
• 30 September 2026: £20,750
• 6 October 2026: £20,495
• 9 October 2026: £19,999
• 1 November 2026: £24,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 1 January 2027.

It failed its MOT on 31 December 2025 (windscreen damaged but not adversely affecting driver's view; nearside rear tyre has a bulge, caused by separation or partial failure of its structure; nearside rear inner tyre tread depth below requirements of 1.6mm; and 1 more) and passed 2 days later, on 2 January 2026.

Advisories at the latest test: windscreen damaged but not adversely affecting driver's view.

Mileage at that test: 81,682 miles, which matches the advertised 86,417 miles.

Advertised mileage is about 53,200 miles higher than the median mileage of a 2017 Mercedes-Benz SL on AskCar.

Similar cars

5 other 2017 Mercedes-Benz SL AMG Line 3.0 petrol automatic convertibles are for sale at UK dealers, from £29,995 to £38,495, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2017 Mercedes-Benz SL AMG Line, 3.0 petrol convertible, black. Mileage: 46,000 miles. Price: £29,995, £5,045 more than this car. Dealer: SKS Cars in Milton Keynes. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2017-220378410fff
• 2017 Mercedes-Benz SL AMG Line, 3.0 petrol convertible, black. Mileage: 40,000 miles. Price: £32,990, £8,040 more than this car. Dealer: Gerry Hill Car Sales in Aberdare. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2017-bd1b65737e33
• 2017 Mercedes-Benz SL AMG Line, 3.0 petrol convertible, blue. Mileage: 27,000 miles. Price: £34,990, £10,040 more than this car. Dealer: James Paul in Horsham. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2017-39353131490c