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: 111,705 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: 132 g/km
• Emissions standard: Euro 5

About this car

At 111,705 miles, this 2015 Mercedes-Benz SLK AMG Sport has covered about 55,200 more miles than other 2015 Mercedes-Benz SLK cars. Its asking price of £5,999 is £348 below the AskCar estimate of £6,347. The AskCar estimate uses 406 UK dealer adverts for the Mercedes-Benz SLK, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 33 days ago. Our records show an MOT expiry date of 15 October 2026, which has passed. Ask the dealer for an update. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is K&B Used Cars Sales, based in Maidstone. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £348 (5%) under the AskCar estimate of £6,347.

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 406 priced Mercedes-Benz SLK adverts across different ages and specifications, as of 5 November 2026.

A 2015 Mercedes-Benz SLK with the 2.1 diesel engine is typically advertised at £9,500: the median of the 39 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2015 Mercedes-Benz SLK has been on sale for at least 33 days.

Price history

AskCar first saw this advert on 3 October 2026 at £5,999. 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 5 November 2026: the latest record we hold ran out on 15 October 2026; ask the dealer for the current MOT.

It has had 12 MOTs. The latest, on 9 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 109,620 miles, which matches the advertised 111,705 miles.

Advertised mileage is about 55,200 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 £6,194 to £12,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2015 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, red. Mileage: 96,173 miles. Price: £6,194, £195 more than this car. Dealer: Car Vault in Welwyn Garden City. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-9f6635674287
• 2015 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, silver. Mileage: 89,900 miles. Price: £7,295, £1,296 more than this car. Dealer: NWTC Haslingden in Haslingden. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-66ee7bcade74
• 2015 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, grey. Mileage: 82,200 miles. Price: £8,895, £2,896 more than this car. Dealer: Graham Mitchell in Bournemouth. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-456697d32480

• The nearest: 2015 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, black, 9 miles from this car. Mileage: 70,000 miles. Price: £9,795, £3,796 more than this car. Dealer: The Car Shop in Strood. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2015-290f60afad57