2017 Mercedes-Benz SL 3.0 AMG Line

Price: £32,464. Fair price: £685 (2%) under the AskCar estimate of £33,149, our expected asking price for this car from its model, age, mileage and specification, drawing on 365 priced Mercedes-Benz SL adverts on AskCar as of 6 November 2026.

AskCar lists 466 used Mercedes-Benz SL from 343 UK dealerships, as of 6 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: SL
  • Trim: AMG Line
  • Version: 3.0 AMG Line Auto RWD Euro 6 2dr (361 bhp)
  • Year: 2017
  • Mileage: 28,828 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 2 seats
  • Engine: 3.0 litres, 361 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Other
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2017 Mercedes-Benz SL AMG Line is 28,828 miles. Its asking price of £32,464 is £685 below the AskCar estimate of £33,149. To work out the AskCar estimate, we analyse UK dealer adverts for 365 Mercedes-Benz SL cars across different ages and specifications. We first saw this car advertised 2 days ago. Its asking price has since fallen by £313. The seller is Vertu Mercedes Beaconsfield, based in Beaconsfield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £685 (2%) under the AskCar estimate of £33,149.

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 365 priced Mercedes-Benz SL adverts across different ages and specifications, as of 6 November 2026.

Time on sale

AskCar first saw this 2017 Mercedes-Benz SL advertised 2 days ago.

Price history

AskCar first saw this advert on 4 November 2026 at £32,777. Its asking price is now £32,464, £313 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

  • 4 November 2026: £32,777
  • 5 November 2026: £32,464

Similar cars

7 other 2017 Mercedes-Benz SL AMG Line 3.0 petrol automatic convertibles are for sale at UK dealers, from £24,950 to £38,495, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2017 Mercedes-Benz SL AMG Line, 3.0 petrol convertible, blue. Mileage: 27,000 miles. Price: £34,990, £2,526 more than this car. Dealer: James Paul in Horsham. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2017-39353131490c
  • 2017 Mercedes-Benz SL AMG Line, 3.0 petrol convertible, blue. Mileage: 26,555 miles. Price: £38,495, £6,031 more than this car. Dealer: Parkway Specialist Cars in Mansfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2017-ef2ca3a6a183
  • 2017 Mercedes-Benz SL AMG Line, 3.0 petrol convertible, black. Mileage: 40,000 miles. Price: £32,990, £526 more than this car. Dealer: Gerry Hill Car Sales in Aberdare. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2017-bd1b65737e33
  • The nearest: 2017 Mercedes-Benz SL AMG Line, 3.0 petrol convertible, black, 27 miles from this car. Mileage: 46,000 miles. Price: £29,995, £2,469 less than this car. Dealer: SKS Cars in Milton Keynes. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2017-220378410fff

Browse all Mercedes-Benz SL cars for sale · 2017 Mercedes-Benz SL price guide

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Photos

1 photo of this car is on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.