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: 54,276 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

With 54,276 miles on the clock, this 2012 Mercedes-Benz SLK AMG Sport has done roughly 7,700 fewer miles than a typical 2012 Mercedes-Benz SLK. The dealer is asking £7,990, which is £212 below the AskCar estimate of £8,202. To work out the AskCar estimate, we analyse UK dealer adverts for 417 Mercedes-Benz SLK cars across different ages and specifications. We first saw this car advertised 38 days ago. Its asking price has since fallen by £500. The government's MOT record matches its advertised mileage. It is for sale at SJT Motor Co in Nantwich. 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: £212 (2%) under the AskCar estimate of £8,202.

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

This 2012 Mercedes-Benz SLK has been on sale for at least 38 days.

Price history

AskCar first saw this advert on 30 September 2026 at £8,490. Its asking price is now £7,990, £500 less. The latest price cut was seen on 16 October 2026.

Price changes recorded:

• 30 September 2026: £8,490
• 16 October 2026: £7,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 24 August 2027.

It has had 16 MOTs. The latest, on 25 August 2026, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge worn to 2mm,this is close to the legal limit of 1.6mm; offside rear tyre worn close to legal limit/worn on edge worn to 2mm,this is close to the legal of 1.6mm; front brake disc worn, pitted or scored, but not seriously weakened both disks,surface corrosion; and 4 more.

Mileage at that test: 54,208 miles, which matches the advertised 54,276 miles.

Advertised mileage is about 7,700 miles lower 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 £5,977 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, silver. Mileage: 56,450 miles. Price: £8,495, £505 more than this car. Dealer: Motor Village in Bristol. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-cdafd940de01
• 2012 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, black. Mileage: 51,597 miles. Price: £8,495, £505 more than this car. Dealer: NottinghamCar.com in Nottingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-8c0272a75dae
• 2012 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, silver. Mileage: 58,000 miles. Price: £7,550, £440 less than this car. Dealer: IGWS Autos Romford in Romford. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-94352ec6e1c7

• The nearest: 2012 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, grey, 37 miles from this car. 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