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: 51,000 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

This 2014 Mercedes-Benz SLK AMG Sport is advertised with 51,000 miles, approximately 18,800 below the typical mileage for its age. Its asking price of £9,990 is £386 above the AskCar estimate of £9,604. The AskCar estimate uses UK dealer asking prices, including 407 Mercedes-Benz SLK adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 97 days ago. Its asking price has since fallen by £500. The government's MOT record matches its advertised mileage. It is advertised by Lawson Motor Company in Congleton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £386 (4%) over the AskCar estimate of £9,604.

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 407 priced Mercedes-Benz SLK adverts across different ages and specifications, as of 9 November 2026.

A 2014 Mercedes-Benz SLK with the 2.1 diesel engine is typically advertised at £8,300: the median of the 44 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2014 Mercedes-Benz SLK has been on sale for at least 97 days.

Price history

AskCar first saw this advert on 4 August 2026 at £10,490. Its asking price is now £9,990, £500 less. The latest price cut was seen on 26 August 2026.

Price changes recorded:

• 4 August 2026: £10,490
• 26 August 2026: £9,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 11 February 2027.

It has had 10 MOTs. The latest, on 5 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 50,558 miles, which matches the advertised 51,000 miles.

Advertised mileage is about 18,800 miles lower than the median mileage of a 2014 Mercedes-Benz SLK on AskCar.

Similar cars

33 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 9 November 2026.

The 3 closest to this car in mileage:

• 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, grey. Mileage: 51,000 miles. Price: £9,250, £740 less than this car. Dealer: Cars Under 3000 in Rayleigh. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-4f9829dd3df1
• 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, silver. Mileage: 50,000 miles. Price: £11,995, £2,005 more than this car. Dealer: Craignairn Cars in Kirkcaldy. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-e4a2d2a19b1a
• 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, black. Mileage: 49,803 miles. Price: £10,000, the same price as this car. Dealer: Alpino Cars in Manchester. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-10a86d7edb81

• The nearest: 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, black, 10 miles from this car. Mileage: 64,000 miles. Price: £8,931, £1,059 less than this car. Dealer: Select Car Sales in Macclesfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-de0b68c5e20c