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: 39,388 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 39,388 miles, around 30,400 fewer miles than is typical for its age. The AskCar estimate for this car is £10,258. It is priced at £9,995, which is £263 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 417 Mercedes-Benz SLK cars across different ages and specifications. We first saw this car advertised 103 days ago. Its asking price has since fallen by £1,000. Our latest MOT record expired on 29 September 2026. Check the current position with the dealer. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by THE AUTOBARN @ Mill Hill in March. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £263 (2%) under the AskCar estimate of £10,258.

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 8 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 8 November 2026.

Time on sale

This 2014 Mercedes-Benz SLK has been on sale for at least 103 days.

Price history

AskCar first saw this advert on 28 July 2026 at £10,995. Its asking price is now £9,995, £1,000 less. The latest price cut was seen on 17 October 2026.

Price changes recorded:

• 28 July 2026: £10,995
• 8 August 2026: £10,695
• 15 September 2026: £10,495
• 6 October 2026: £10,295
• 17 October 2026: £9,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: the latest record we hold ran out on 29 September 2026; ask the dealer for the current MOT.

It has had 10 MOTs. The latest, on 29 September 2025, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 37,878 miles, which matches the advertised 39,388 miles.

Advertised mileage is about 30,400 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 8 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, the same price as 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: 35,000 miles. Price: £12,490, £2,495 more than this car. Dealer: Northover Cars in Whitstable. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-4d1d6712fbbf
• 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, silver. Mileage: 46,000 miles. Price: £11,995, £2,000 more than this car. Dealer: MW Performance in Chester. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-eed3413fb1b9

• The nearest: 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, white, 13 miles from this car. Mileage: 55,000 miles. Price: £9,495, £500 less than this car. Dealer: GOT Cars PB in Peterborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-2c0d98891048