2015 Mercedes-Benz SLK 5.5 SLK55 V8 AMG

Price: £31,995. Fair price: £1,368 (4%) under the AskCar estimate of £33,363, our expected asking price for this car from its model, age, mileage and specification, drawing on 417 priced Mercedes-Benz SLK adverts on AskCar as of 8 November 2026.

AskCar lists 467 used Mercedes-Benz SLK from 364 UK dealerships, as of 8 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: SLK
  • Trim: AMG
  • Version: 5.5 SLK55 V8 AMG Auto RWD Euro 6 (s/s) 2dr SpdS+7GT (415 bhp)
  • Year: 2015
  • Mileage: 24,000 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 2 seats
  • Engine: 5.5 litres, 415 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 195 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2015 Mercedes-Benz SLK AMG has covered 24,000 miles, around 29,700 fewer miles than is typical for its age. Its asking price of £31,995 is £1,368 below the AskCar estimate of £33,363. The AskCar estimate uses UK dealer asking prices, including 417 Mercedes-Benz SLK adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 79 days ago. The latest recorded MOT expiry date is 10 September 2026, which has passed. Confirm its status with the dealer. The government's MOT record matches its advertised mileage. You can find this car at SKS Cars in Milton Keynes. 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: £1,368 (4%) under the AskCar estimate of £33,363.

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 417 priced Mercedes-Benz SLK adverts across different ages and specifications, as of 8 November 2026.

Time on sale

This 2015 Mercedes-Benz SLK has been on sale for at least 79 days.

Price history

AskCar first saw this advert on 21 August 2026 at £31,995. Its asking price has not changed.

Price changes recorded:

  • 21 August 2026: £31,995
  • 23 September 2026: £34,995
  • 16 October 2026: £33,995
  • 6 November 2026: £29,995
  • 7 November 2026: £31,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: the latest record we hold ran out on 10 September 2026; ask the dealer for the current MOT.

It failed its MOT on 10 September 2025 (anti-lock braking system warning lamp indicates an ABS fault; offside rear all position lamps with a multiple light source up to 1/2 not functioning) and passed 1 day later, on 11 September 2025.

Advisories at the latest test: offside rear all position lamps with a multiple light source up to 1/2 not functioning.

Mileage at that test: 23,930 miles, which matches the advertised 24,000 miles.

Advertised mileage is about 29,700 miles lower than the median mileage of a 2015 Mercedes-Benz SLK on AskCar.

Similar cars

5 other 2015 Mercedes-Benz SLK AMG 5.5 petrol automatic convertibles are for sale at UK dealers, from £25,975 to £35,995, as of 8 November 2026.

The 3 closest to this car in mileage:

  • 2015 Mercedes-Benz SLK AMG, 5.5 petrol convertible, black. Mileage: 18,357 miles. Price: £34,925, £2,930 more than this car. Dealer: Pondover Motor Sales in Virginia Water. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-c615f75f6bdf
  • 2015 Mercedes-Benz SLK AMG, 5.5 petrol convertible, white. Mileage: 30,000 miles. Price: £33,995, £2,000 more than this car. Dealer: SKS Cars in Milton Keynes. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-cc43ffa19693
  • 2015 Mercedes-Benz SLK AMG, 5.5 petrol convertible, white. Mileage: 30,000 miles. Price: £34,995, £3,000 more than this car. Dealer: SKS Cars in Milton Keynes. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-3d418b37c393

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

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Photos

32 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.