2012 Mercedes-Benz SLK 2.1 SLK250 CDI BlueEfficiency AMG Sport

Overview

• Make: Mercedes-Benz
• Model: SLK
• Trim: AMG Sport
• Version: 2.1 SLK250 CDI BlueEfficiency AMG Sport G-Tronic+ RWD Euro 5 (s/s) 2dr (201 bhp)
• Year: 2012
• Mileage: 99,000 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.1 litres, 201 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Red
• CO2: 132 g/km
• Emissions standard: Euro 5

About this car

This 2012 Mercedes-Benz SLK AMG Sport has covered 99,000 miles, around 37,000 more miles than is typical for its age. The AskCar estimate for this car is £5,906. It is priced at £5,977, which is £71 above that estimate. The AskCar estimate draws on 417 Mercedes-Benz SLK adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert today. Its advertised mileage matches the government's MOT record. The seller is First Drive Prestige, based in Derry. 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: £71 (1%) over the AskCar estimate of £5,906.

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 2012 Mercedes-Benz SLK with the 2.1 diesel engine is typically advertised at £7,700: the median of the 26 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2012 Mercedes-Benz SLK advertised today. About half of 2012 Mercedes-Benz SLK cars are gone from sale within a month of being advertised: 40 of the 87 first advertised between 11 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £5,977. 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 9 September 2027.

It failed its MOT on 23 August 2026 and passed 18 days later, on 10 September 2026.

There were no advisories at the latest test.

Mileage at that test: 98,363 miles, which matches the advertised 99,000 miles.

Advertised mileage is about 37,000 miles higher than the median mileage of a 2012 Mercedes-Benz SLK on AskCar.

Similar cars

18 other 2012 Mercedes-Benz SLK AMG Sport 2.1 diesel automatic convertibles are for sale at UK dealers, from £6,490 to £9,499, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2012 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, black. Mileage: 98,000 miles. Price: £6,490, £513 more than this car. Dealer: ESP Cars Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-f82c6e800be7
• 2012 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, white. Mileage: 91,000 miles. Price: £6,499, £522 more than this car. Dealer: Baytree Automotive in Droitwich Spa. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-90e84847b429
• 2012 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, white. Mileage: 81,000 miles. Price: £6,850, £873 more than this car. Dealer: J W Motor Co in Barnsley. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-97236a16def6

• The nearest: 2012 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, grey, 200 miles from this car. Mileage: 68,000 miles. Price: £7,680, £1,703 more than this car. Dealer: Afcs in Birkenhead. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-429c02ff8ca5