2015 Mercedes-Benz SL 3.0 SL400 AMG Sport

Price: £20,995. Fair price: £872 (4%) over the AskCar estimate of £20,123, our expected asking price for this car from its model, age, mileage and specification, drawing on 374 priced Mercedes-Benz SL adverts on AskCar as of 8 November 2026.

AskCar lists 468 used Mercedes-Benz SL from 344 UK dealerships, as of 8 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: 58,104 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 2 seats
  • Engine: 3.0 litres, 328 bhp
  • Gearbox: Automatic (G-Tronic)
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 178 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2015 Mercedes-Benz SL AMG Sport has covered 58,104 miles, around 4,000 more miles than is typical for its age. The AskCar estimate for this car is £20,123. It is priced at £20,995, which is £872 above that estimate. The AskCar estimate draws on 374 Mercedes-Benz SL adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 4 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Alpha Cars in Catterick Garrison. 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

Fair price: £872 (4%) over the AskCar estimate of £20,123.

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.

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 8 November 2026.

Time on sale

AskCar first saw this 2015 Mercedes-Benz SL advertised 4 days ago.

Price history

AskCar first saw this advert on 4 November 2026 at £20,995. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 2 July 2027.

It has had 10 MOTs. The latest, on 3 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 57,476 miles, which matches the advertised 58,104 miles.

Advertised mileage is about 4,000 miles higher 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 8 November 2026.

The 3 closest to this car in mileage:

  • 2015 Mercedes-Benz SL AMG Sport, 3.0 petrol convertible, silver. Mileage: 60,900 miles. Price: £15,975, £5,020 less than this car. Dealer: Trade Cars 4 U in Bingley. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2015-c50bc6a0d25d
  • 2015 Mercedes-Benz SL AMG Sport, 3.0 petrol convertible, black. Mileage: 65,747 miles. Price: £18,989, £2,006 less than this car. Dealer: The Hertford Car Company in Hertford. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2015-a5f8d2a1b07a
  • 2015 Mercedes-Benz SL AMG Sport, 3.0 petrol convertible, silver. Mileage: 50,000 miles. Price: £21,900, £905 more than this car. Dealer: 0260 Cars in Crowborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2015-e84c1195beb8

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

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Photos

35 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,762 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.