2015 Mercedes-Benz SLK 2.1 SLK250d AMG Sport

Overview

• Make: Mercedes-Benz
• Model: SLK
• Trim: AMG Sport
• Version: 2.1 SLK250d AMG Sport G-Tronic RWD Euro 6 (s/s) 2dr (201 bhp)
• Year: 2015
• Mileage: 56,000 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.1 litres, 201 bhp
• Gearbox: Automatic (G-Tronic)
• Drive: Rear-wheel drive
• Colour: White
• CO2: 114 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2015 Mercedes-Benz SLK AMG Sport has covered 56,000 miles. The dealer is asking £10,940, which is £496 above the AskCar estimate of £10,444. To work out the AskCar estimate, we analyse UK dealer adverts for 405 Mercedes-Benz SLK cars across different ages and specifications. It first appeared in our advert records 49 days ago. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Cambridgeshire Carsales in Peterborough. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £496 (4%) over the AskCar estimate of £10,444.

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 405 priced Mercedes-Benz SLK adverts across different ages and specifications, as of 6 November 2026.

A 2015 Mercedes-Benz SLK with the 2.1 diesel engine is typically advertised at £9,500: the median of the 38 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2015 Mercedes-Benz SLK has been on sale for at least 49 days.

Price history

AskCar first saw this advert on 18 September 2026 at £10,940. 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 6 November 2026: valid until 13 November 2026.

It failed its MOT on 14 November 2025 (front anti-roll bar linkage pin or bush excessively worn both) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 55,346 miles, which matches the advertised 56,000 miles.

Similar cars

30 other 2015 Mercedes-Benz SLK AMG Sport 2.1 diesel automatic convertibles are for sale at UK dealers, from £5,999 to £12,995, as of 6 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, £440 less 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, black. Mileage: 57,000 miles. Price: £9,000, £1,940 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, silver. Mileage: 57,748 miles. Price: £9,399, £1,541 less than this car. Dealer: Prestige Car Supermarket in York. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-81ec7c247ffb

• The nearest: 2015 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, black, 2 miles from this car. Mileage: 66,036 miles. Price: £8,449, £2,491 less than this car. Dealer: Noya Motor Group in Peterborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-9ee050840ff0