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: 10,000 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.1 litres, 201 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Brown
• CO2: 132 g/km
• Emissions standard: Euro 5

About this car

This 2012 Mercedes-Benz SLK AMG Sport is advertised with 10,000 miles on the clock. The dealer is asking £7,900, which is £2,489 below the AskCar estimate of £10,389. To work out the AskCar estimate, we analyse UK dealer adverts for 417 Mercedes-Benz SLK cars across different ages and specifications. We first recorded this car for sale 159 days ago. Ask the dealer why the advert shows fewer miles than the 76,560 recorded at the latest MOT. Its MOT is recorded as valid until 15 March 2027. The seller is North West Autos Blackburn, based in Blackburn. 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

Good value: £2,489 (23%) under the AskCar estimate of £10,389.

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 159 days.

Price history

AskCar first saw this advert on 1 June 2026 at £7,900. 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 15 March 2027.

It has had 13 MOTs. The latest, on 16 March 2026, passed.

Advisories at the latest test: oil leak, but not excessive.

Mileage at that test: 76,560 miles. The advert says 10,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 52,000 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, white. Mileage: 46,000 miles. Price: £9,499, £1,599 more than this car. Dealer: AB Car Sales in Gunnislake. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-794cd7050d0f
• 2012 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, black. Mileage: 51,597 miles. Price: £8,495, £595 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: 54,276 miles. Price: £7,990, £90 more than this car. Dealer: SJT Motor Co in Nantwich. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-52ddadb96526

• The nearest: 2012 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, grey, 34 miles from this car. Mileage: 68,000 miles. Price: £7,680, £220 less than this car. Dealer: Afcs in Birkenhead. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-429c02ff8ca5