2014 Mercedes-Benz SLK 2.1 SLK250 CDI AMG Sport

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: 78,796 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.1 litres, 201 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 132 g/km
• Emissions standard: Euro 5

About this car

With 78,796 miles on the clock, this 2014 Mercedes-Benz SLK AMG Sport has done roughly 9,400 more miles than a typical 2014 Mercedes-Benz SLK. The dealer is asking £7,500, which is £367 below the AskCar estimate of £7,867. To work out the AskCar estimate, we analyse UK dealer adverts for 417 Mercedes-Benz SLK cars across different ages and specifications. We first recorded this car for sale 1 day ago. The government's MOT record matches its advertised mileage. You can find this car at St Clements Cars in King's Lynn. 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: £367 (4%) under the AskCar estimate of £7,867.

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

AskCar first saw this 2014 Mercedes-Benz SLK advertised 1 day ago. About half of 2014 Mercedes-Benz SLK cars are gone from sale within a month of being advertised: 31 of the 67 first advertised between 14 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £7,500. 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 7 November 2026: valid until 16 November 2026.

It has had 9 MOTs. The latest, on 8 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 72,700 miles, which matches the advertised 78,796 miles.

Advertised mileage is about 9,400 miles higher 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: 82,000 miles. Price: £5,990, £1,510 less than this car. Dealer: Aylesbury Motors in Aylesbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-1405803fceeb
• 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, black. Mileage: 75,000 miles. Price: £8,475, £975 more than this car. Dealer: Braehead Motor Company in Glasgow. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-c64b25e5b40e
• 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, white. Mileage: 74,560 miles. Price: £7,995, £495 more than this car. Dealer: Rodden Road Cars in Frome. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-1f6280fecc9c

• The nearest: 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, silver, 20 miles from this car. Mileage: 39,388 miles. Price: £9,995, £2,495 more than this car. Dealer: THE AUTOBARN @ Mill Hill in March. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-5542a9969571