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: 68,200 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

This 2015 Mercedes-Benz SLK AMG Sport has covered 68,200 miles, around 13,200 more miles than is typical for its age. Its asking price of £8,950 is £233 above the AskCar estimate of £8,717. 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 14 days ago. The government's MOT record matches its advertised mileage. It is advertised by Troon Cars in Leicester. 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: £233 (2%) over the AskCar estimate of £8,717.

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 14 days.

Price history

AskCar first saw this advert on 24 October 2026 at £8,950. 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 30 July 2027.

It failed its MOT on 20 July 2026 (anti-lock braking system warning lamp indicates an ABS fault; electronic stability control warning lamp indicates a fault) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 67,554 miles, which matches the advertised 68,200 miles.

Advertised mileage is about 13,200 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, white. Mileage: 68,248 miles. Price: £8,500, £450 less than this car. Dealer: IMV Motors in Birmingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-0b6fbb80cfe7
• 2015 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, red. Mileage: 69,000 miles. Price: £9,000, £50 more than this car. Dealer: Car 4 Everyone in Crewe. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-0a5511336da1
• 2015 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, black. Mileage: 69,108 miles. Price: £9,985, £1,035 more than this car. Dealer: The Car Factory in Blackburn. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-79b52ccefcf8

• The nearest: 2015 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, white, under a mile from this car. Mileage: 63,000 miles. Price: £9,850, £900 more than this car. Dealer: Troon Cars in Leicester. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-a12682d046e9