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: 92,000 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

The advertised mileage for this 2014 Mercedes-Benz SLK AMG Sport is 92,000 miles. Priced at £6,750, it is advertised £369 below the AskCar estimate of £7,119. 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 advert 84 days ago, and its asking price has since fallen by £500. The last MOT shows 92,709 miles, more than the advert. This is worth checking with the dealer. MOT records show an expiry date of 31 July 2027. You can find this car at GOT Cars PB in Peterborough. 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: £369 (5%) under the AskCar estimate of £7,119.

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 84 days.

Price history

AskCar first saw this advert on 15 August 2026 at £7,250. Its asking price is now £6,750, £500 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 15 August 2026: £7,250
• 26 August 2026: £6,995
• 3 November 2026: £6,750

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 31 July 2027.

It has had 13 MOTs. The latest, on 30 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 92,709 miles. The advert says 92,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 22,600 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, white. Mileage: 93,000 miles. Price: £6,490, £260 less than this car. Dealer: Prestigio Cars in Bedford. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-cacf7c4e0c8e
• 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, black. Mileage: 93,901 miles. Price: £7,400, £650 more than this car. Dealer: Carzet in Ipswich. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-02a2b261a245
• 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, white. Mileage: 98,000 miles. Price: £6,995, £245 more than this car. Dealer: Ross Car Sales in Swansea. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-594a6011586c

• The nearest: 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, white, under a mile from this car. Mileage: 55,000 miles. Price: £9,495, £2,745 more than this car. Dealer: GOT Cars PB in Peterborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-2c0d98891048