2014 Mercedes-Benz SLK 2.1 SLK250 CDI AMG Sport

Price: £8,299. Fair price: £390 (4%) under the AskCar estimate of £8,689, 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 7 November 2026.

AskCar lists 471 used Mercedes-Benz SLK from 369 UK dealerships, as of 7 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: SLK
  • Trim: AMG Sport
  • Version: 2.1 SLK250 CDI AMG Sport G-Tronic+ RWD Euro 5 (s/s) 2dr (201 bhp)
  • Year: 2014
  • Mileage: 65,656 miles
  • Fuel: Diesel
  • Body: Convertible, 2 doors, 2 seats
  • Engine: 2.1 litres, 201 bhp
  • Gearbox: Automatic (G-Tronic+)
  • Drive: Rear-wheel drive
  • Colour: Silver
  • CO2: 132 g/km
  • Emissions standard: Euro 5

About this car

This 2014 Mercedes-Benz SLK AMG Sport has covered 65,656 miles, around 3,800 fewer miles than is typical for its age. Priced at £8,299, it is advertised £390 below the AskCar estimate of £8,689. The AskCar estimate uses UK dealer asking prices, including 417 Mercedes-Benz SLK adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 109 days ago, and its asking price has since fallen by £400. Our records show an MOT expiry date of 21 July 2026, which has passed. Ask the dealer for an update. The government's MOT record matches its advertised mileage. You can find this car at Stadium Motors in Sunderland. 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: £390 (4%) under the AskCar estimate of £8,689.

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 7 November 2026.

A 2014 Mercedes-Benz SLK with the 2.1 diesel engine is typically advertised at £8,100: the median of the 46 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2014 Mercedes-Benz SLK has been on sale for at least 109 days.

Price history

AskCar first saw this advert on 21 July 2026 at £8,699. Its asking price is now £8,299, £400 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

  • 22 July 2026: £8,699
  • 3 October 2026: £8,499
  • 6 November 2026: £8,299

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: the latest record we hold ran out on 21 July 2026; ask the dealer for the current MOT.

It has had 11 MOTs. The latest, on 22 July 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 58,278 miles, which matches the advertised 65,656 miles.

Advertised mileage is about 3,800 miles lower than the median mileage of a 2014 Mercedes-Benz SLK on AskCar.

Similar cars

35 other 2014 Mercedes-Benz SLK AMG Sport 2.1 diesel automatic convertibles are for sale at UK dealers, from £4,250 to £12,490, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, black. Mileage: 65,650 miles. Price: £7,795, £504 less than this car. Dealer: V12 Sports & Classics Ltd - Hinckley in Hinckley. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-a60dffb020fe
  • 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, black. Mileage: 64,000 miles. Price: £8,931, £632 more than this car. Dealer: Select Car Sales in Macclesfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-de0b68c5e20c
  • 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, black. Mileage: 68,903 miles. Price: £9,499, £1,200 more than this car. Dealer: Quality Cars Uk in Preston. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-51055ec40c0d
  • The nearest: 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, black, 86 miles from this car. Mileage: 154,000 miles. Price: £4,250, £4,049 less than this car. Dealer: Burdon Automotive in Wakefield. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-ecf49eb77255

Browse all Mercedes-Benz SLK cars for sale · 2014 Mercedes-Benz SLK price guide

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Photos

33 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.