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: 37,000 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.1 litres, 201 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Silver
• CO2: 132 g/km
• Emissions standard: Euro 5

About this car

At 37,000 miles, this 2015 Mercedes-Benz SLK AMG Sport has covered about 16,700 fewer miles than other 2015 Mercedes-Benz SLK cars. The dealer is asking £10,883, which is £267 above the AskCar estimate of £10,616. To work out the AskCar estimate, we analyse UK dealer adverts for 417 Mercedes-Benz SLK cars across different ages and specifications. It first appeared in our advert records 9 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Velvis Cars in Colchester. 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: £267 (2%) over the AskCar estimate of £10,616.

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 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 8 November 2026.

Time on sale

This 2015 Mercedes-Benz SLK has been on sale for at least 9 days.

Price history

AskCar first saw this advert on 30 October 2026 at £10,883. 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 8 November 2026: valid until 6 January 2027.

It has had 10 MOTs. The latest, on 30 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 36,305 miles, which matches the advertised 37,000 miles.

Advertised mileage is about 16,700 miles lower 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 8 November 2026.

The 3 closest to this car in mileage:

• 2015 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, silver. Mileage: 42,354 miles. Price: £10,995, £112 more than this car. Dealer: Motor Match Chester in Chester. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-fe3d07c0a33e
• 2015 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, silver. Mileage: 47,000 miles. Price: £9,990, £893 less than this car. Dealer: Stratus in Basingstoke. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-57f1bd755aa1
• 2015 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, red. Mileage: 49,439 miles. Price: £10,295, £588 less than this car. Dealer: Athena Automotive in Bicester. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-af65a7484769

• The nearest: 2015 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, black, 40 miles from this car. Mileage: 70,000 miles. Price: £9,795, £1,088 less than this car. Dealer: The Car Shop in Strood. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-290f60afad57