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: 81,000 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.1 litres, 201 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: White
• CO2: 132 g/km
• Emissions standard: Euro 5

About this car

This 2012 Mercedes-Benz SLK AMG Sport is advertised with 81,000 miles, approximately 19,000 above the typical mileage for its age. Priced at £6,850, it is advertised £82 above the AskCar estimate of £6,768. The AskCar estimate uses 417 UK dealer adverts for the Mercedes-Benz SLK, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 4 days ago. It is for sale at J W Motor Co in Barnsley. 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: £82 (1%) over the AskCar estimate of £6,768.

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 4 days ago. 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 3 November 2026 at £6,850. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 19,000 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 £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: 78,000 miles. Price: £7,695, £845 more than this car. Dealer: The Oaks Motor Company in Worcester. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-8681160066d8
• 2012 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, white. Mileage: 91,000 miles. Price: £6,499, £351 less 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: 70,205 miles. Price: £7,995, £1,145 more than this car. Dealer: Carwise in Locks Heath. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-86721423e863

• The nearest: 2012 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, brown, 42 miles from this car. Mileage: 10,000 miles. Price: £7,900, £1,050 more than this car. Dealer: North West Autos Blackburn in Blackburn. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-60eed2431fae