2015 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: 2015
• Mileage: 57,748 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

At 57,748 miles, this 2015 Mercedes-Benz SLK AMG Sport has covered about 2,700 more miles than other 2015 Mercedes-Benz SLK cars. The dealer is asking £9,399, which is £1 above the AskCar estimate of £9,398. To work out the AskCar estimate, we analyse UK dealer adverts for 417 Mercedes-Benz SLK cars across different ages and specifications. This car was first seen in our listings data 3 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Prestige Car Supermarket, based in York. 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: £1 (under 1%) over the AskCar estimate of £9,398.

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 2015 Mercedes-Benz SLK with the 2.1 diesel engine is typically advertised at £9,600: the median of the 38 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2015 Mercedes-Benz SLK advertised 3 days ago. About half of 2015 Mercedes-Benz SLK cars are gone from sale within a month of being advertised: 37 of the 82 first advertised between 10 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £9,399. 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 4 September 2027.

It failed its MOT on 13 August 2026 (front brake pad(s) worn down to wear indicator; offside front lower suspension arm ball joint excessively worn rear most; windscreen damaged but not adversely affecting driver's view stone chip) and passed later the same day.

Advisories at the latest test: windscreen damaged but not adversely affecting driver's view stone chip.

Mileage at that test: 55,944 miles, which matches the advertised 57,748 miles.

Advertised mileage is about 2,700 miles higher than the median mileage of a 2015 Mercedes-Benz SLK on AskCar.

Similar cars

30 other 2015 Mercedes-Benz SLK AMG Sport 2.1 diesel automatic convertibles are for sale at UK dealers, from £5,894 to £12,995, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2015 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, black. Mileage: 57,000 miles. Price: £9,000, £399 less than this car. Dealer: Meadow Motor Company in Farnham. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-2e854e5f73a6
• 2015 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, black. Mileage: 56,953 miles. Price: £10,500, £1,101 more than this car. Dealer: Tame Bridge Cars in Middlesbrough. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-e215f7f9a858
• 2015 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, white. Mileage: 56,000 miles. Price: £10,940, £1,541 more than this car. Dealer: Cambridgeshire Carsales in Peterborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-76b0c2ba1fee