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: 65,000 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.1 litres, 201 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 132 g/km
• Emissions standard: Euro 5

About this car

This 2012 Mercedes-Benz SLK AMG Sport is advertised with 65,000 miles, approximately 2,100 above the typical mileage for its age. The dealer is asking £7,990, which is £468 above the AskCar estimate of £7,522. To work out the AskCar estimate, we analyse UK dealer adverts for 403 Mercedes-Benz SLK cars across different ages and specifications. We first recorded this advert 33 days ago, and its asking price has since fallen by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Grimsby Cars, based in Grimsby. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £468 (6%) over the AskCar estimate of £7,522.

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 403 priced Mercedes-Benz SLK adverts across different ages and specifications, as of 4 November 2026.

A 2012 Mercedes-Benz SLK with the 2.1 diesel engine is typically advertised at £7,600: the median of the 24 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2012 Mercedes-Benz SLK has been on sale for at least 33 days.

Price history

AskCar first saw this advert on 2 October 2026 at £8,990. Its asking price is now £7,990, £1,000 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

• 2 October 2026: £8,990
• 23 October 2026: £7,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 10 February 2027.

It has had 14 MOTs. The latest, on 26 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 62,956 miles, which matches the advertised 65,000 miles.

Advertised mileage is about 2,100 miles higher than the median mileage of a 2012 Mercedes-Benz SLK on AskCar.

Similar cars

16 other 2012 Mercedes-Benz SLK AMG Sport 2.1 diesel automatic convertibles are for sale at UK dealers, from £3,999 to £8,999, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2012 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, black. Mileage: 68,000 miles. Price: £6,999, £991 less than this car. Dealer: Redworth 4x4 in Shotton. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-c99e31abc988
• 2012 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, grey. Mileage: 68,000 miles. Price: £7,680, £310 less than this car. Dealer: Afcs in Birkenhead. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-429c02ff8ca5
• 2012 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, grey. Mileage: 68,061 miles. Price: £7,460, £530 less than this car. Dealer: Autotyne in Hebburn. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-8611746d48e9

• The nearest: 2012 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, white, 59 miles from this car. Mileage: 81,000 miles. Price: £6,850, £1,140 less than this car. Dealer: J W Motor Co in Barnsley. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-97236a16def6