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: 44,491 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

At 44,491 miles, this 2014 Mercedes-Benz SLK AMG Sport has covered about 24,600 fewer miles than other 2014 Mercedes-Benz SLK cars. The AskCar estimate for this car is £9,943. It is priced at £9,695, which is £248 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 412 Mercedes-Benz SLK cars across different ages and specifications. We first recorded this advert 138 days ago, and its asking price has since fallen by £300. Our records show an MOT expiry date of 16 May 2026, which has passed. Ask the dealer for an update. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Old Forge Motor Group in Wakefield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £248 (2%) under the AskCar estimate of £9,943.

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 412 priced Mercedes-Benz SLK adverts across different ages and specifications, as of 10 November 2026.

A 2014 Mercedes-Benz SLK with the 2.1 diesel engine is typically advertised at £8,300: the median of the 46 for sale on AskCar, as of 10 November 2026.

Time on sale

This 2014 Mercedes-Benz SLK has been on sale for at least 138 days.

Price history

AskCar first saw this advert on 25 June 2026 at £9,995. Its asking price is now £9,695, £300 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 26 June 2026: £9,995
• 21 October 2026: £9,695

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: the latest record we hold ran out on 16 May 2026; ask the dealer for the current MOT.

It has had 12 MOTs. The latest, on 23 June 2026, failed.

It failed on: anti-lock braking system warning lamp indicates an ABS fault; electronic stability control warning lamp indicates a fault; horn not working; and 5 more.

Advisories at the latest test: rear brake pad(s) wearing thin.

Mileage at that test: 44,492 miles, which matches the advertised 44,491 miles.

Advertised mileage is about 24,600 miles lower than the median mileage of a 2014 Mercedes-Benz SLK on AskCar.

Similar cars

34 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 10 November 2026.

The 3 closest to this car in mileage:

• 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, black. Mileage: 43,000 miles. Price: £9,999, £304 more than this car. Dealer: Midland Motorcars (Brierley Hill) in Brierley Hill. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-0560effe27bb
• 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, silver. Mileage: 46,000 miles. Price: £11,995, £2,300 more than this car. Dealer: MW Performance in Chester. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-eed3413fb1b9
• 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, silver. Mileage: 39,388 miles. Price: £9,995, £300 more than this car. Dealer: THE AUTOBARN @ Mill Hill in March. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-5542a9969571

• The nearest: 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, black, under a mile from this car. Mileage: 154,000 miles. Price: £4,250, £5,445 less than this car. Dealer: Burdon Automotive in Wakefield. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-ecf49eb77255