2015 Mercedes-Benz SL 3.0 SL400 AMG Sport

Price: £21,900. Fair price: £690 (3%) over the AskCar estimate of £21,210, our expected asking price for this car from its model, age, mileage and specification, drawing on 371 priced Mercedes-Benz SL adverts on AskCar as of 7 November 2026.

AskCar lists 467 used Mercedes-Benz SL from 341 UK dealerships, as of 7 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: SL
  • Trim: AMG Sport
  • Version: 3.0 SL400 AMG Sport G-Tronic RWD Euro 6 (s/s) 2dr (328 bhp)
  • Year: 2015
  • Mileage: 50,000 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 2 seats
  • Engine: 3.0 litres, 328 bhp
  • Gearbox: Automatic (G-Tronic)
  • Drive: Rear-wheel drive
  • Colour: Silver
  • CO2: 178 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2015 Mercedes-Benz SL AMG Sport has covered 50,000 miles, around 4,100 fewer miles than is typical for its age. The AskCar estimate for this car is £21,210. It is priced at £21,900, which is £690 above that estimate. The AskCar estimate draws on 371 Mercedes-Benz SL adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 39 days ago. Its asking price has since fallen by £50. The government's MOT record matches its advertised mileage. It is advertised by 0260 Cars in Wealden. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £690 (3%) over the AskCar estimate of £21,210.

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 371 priced Mercedes-Benz SL adverts across different ages and specifications, as of 7 November 2026.

A 2015 Mercedes-Benz SL with the 3.0 petrol engine is typically advertised at £19,000: the median of the 17 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2015 Mercedes-Benz SL has been on sale for at least 39 days.

Price history

AskCar first saw this advert on 29 September 2026 at £21,950. Its asking price is now £21,900, £50 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

  • 29 September 2026: £21,950
  • 7 November 2026: £21,900

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 13 March 2027.

It has had 10 MOTs. The latest, on 26 February 2026, passed.

Advisories at the latest test: rear fuel pipe/s corroded fuel pipe slightly corroded(over rear axle); nearside front inner brake pipe corroded, covered in grease or other material brake pipe slightly corroded; offside front inner brake pipe corroded, covered in grease or other material brake pipe slightly corroded; and 1 more.

Mileage at that test: 48,834 miles, which matches the advertised 50,000 miles.

Advertised mileage is about 4,100 miles lower than the median mileage of a 2015 Mercedes-Benz SL on AskCar.

Similar cars

15 other 2015 Mercedes-Benz SL AMG Sport 3.0 petrol automatic convertibles are for sale at UK dealers, from £15,975 to £24,895, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2015 Mercedes-Benz SL AMG Sport, 3.0 petrol convertible, black. Mileage: 58,104 miles. Price: £20,995, £905 less than this car. Dealer: Alpha Cars in Catterick Garrison. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2015-eb5931060a44
  • 2015 Mercedes-Benz SL AMG Sport, 3.0 petrol convertible, silver. Mileage: 41,000 miles. Price: £22,950, £1,050 more than this car. Dealer: Sovereign Trading in Eastbourne. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2015-d4ddb7b413dd
  • 2015 Mercedes-Benz SL AMG Sport, 3.0 petrol convertible, silver. Mileage: 60,900 miles. Price: £15,975, £5,925 less than this car. Dealer: Trade Cars 4 U in Bingley. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2015-c50bc6a0d25d

Browse all Mercedes-Benz SL cars for sale · 2015 Mercedes-Benz SL price guide

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Photos

38 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.