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: 57,000 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

At 57,000 miles, this 2015 Mercedes-Benz SLK AMG Sport has covered about 2,000 more miles than other 2015 Mercedes-Benz SLK cars. Priced at £9,000, it is advertised £439 below the AskCar estimate of £9,439. The AskCar estimate draws on 417 Mercedes-Benz SLK adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 64 days ago, and its asking price has since fallen by £450. The government's MOT record matches its advertised mileage. You can find this car at Meadow Motor Company in Farnham. 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: £439 (4%) under the AskCar estimate of £9,439.

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

This 2015 Mercedes-Benz SLK has been on sale for at least 64 days.

Price history

AskCar first saw this advert on 4 September 2026 at £9,450. Its asking price is now £9,000, £450 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 4 September 2026: £9,450
• 6 November 2026: £9,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 2 July 2027.

It failed its MOT on 2 July 2026 (nearside front anti-roll bar ball joint dust cover severely deteriorated; offside front lower anti-roll bar ball joint dust cover no longer prevents the ingress of dirt) and passed 1 day later, on 3 July 2026.

Advisories at the latest test: nearside rear tyre slightly damaged/cracking or perishing; offside rear tyre slightly damaged/cracking or perishing; rear brake disc worn, but not excessively.

Mileage at that test: 57,310 miles, which matches the advertised 57,000 miles.

Advertised mileage is about 2,000 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: 56,953 miles. Price: £10,500, £1,500 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, silver. Mileage: 57,748 miles. Price: £9,399, £399 more than this car. Dealer: Prestige Car Supermarket in York. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-81ec7c247ffb
• 2015 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, white. Mileage: 56,000 miles. Price: £10,940, £1,940 more than this car. Dealer: Cambridgeshire Carsales in Peterborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-76b0c2ba1fee

• The nearest: 2015 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, silver, 7 miles from this car. Mileage: 47,000 miles. Price: £9,990, £990 more than this car. Dealer: Stratus in Basingstoke. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-57f1bd755aa1