2015 Mercedes-Benz SLK 5.5 SLK55 V8 AMG

Price: £34,995. Fair price: £2,573 (7%) over the AskCar estimate of £32,422, 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: 30,000 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 2 seats
  • Engine: 5.5 litres, 415 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: White
  • CO2: 195 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2015 Mercedes-Benz SLK AMG has covered 30,000 miles, around 23,700 fewer miles than is typical for its age. The AskCar estimate for this car is £32,422. It is priced at £34,995, which is £2,573 above that estimate. The AskCar estimate uses 417 UK dealer adverts for the Mercedes-Benz SLK, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 46 days ago, and its asking price has since fallen by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale 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: £2,573 (7%) over the AskCar estimate of £32,422.

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 46 days.

Price history

AskCar first saw this advert on 23 September 2026 at £35,995. Its asking price is now £34,995, £1,000 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

  • 23 September 2026: £35,995
  • 6 November 2026: £34,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 20 March 2027.

It has had 9 MOTs. The latest, on 18 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 29,688 miles, which matches the advertised 30,000 miles.

Advertised mileage is about 23,700 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, white. Mileage: 30,000 miles. Price: £33,995, £1,000 less 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, red. Mileage: 31,666 miles. Price: £35,995, £1,000 more than this car. Dealer: Parkway Specialist Cars in Mansfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-7c3e470b9ea6
  • 2015 Mercedes-Benz SLK AMG, 5.5 petrol convertible, black. Mileage: 24,000 miles. Price: £31,995, £3,000 less than this car. Dealer: SKS Cars in Milton Keynes. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-be6dab604947

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

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Photos

41 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.