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: 68,000 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 has covered 68,000 miles, around 6,000 more miles than is typical for its age. The dealer is asking £6,999, which is £469 below the AskCar estimate of £7,468. 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 35 days ago. Its advertised mileage matches the government's MOT record. It is for sale at Redworth 4x4 in Shotton. 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: £469 (6%) under the AskCar estimate of £7,468.

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 35 days.

Price history

AskCar first saw this advert on 3 October 2026 at £6,999. 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 11 June 2027.

It failed its MOT on 26 May 2026 (offside direction indicator not working side one on mirror; nearside front lower anti-roll bar linkage ball joint dust cover severely deteriorated; offside front lower anti-roll bar linkage ball joint dust cover severely deteriorated) and passed later the same day.

Advisories at the latest test: nearside front lower anti-roll bar linkage ball joint dust cover severely deteriorated; offside front lower anti-roll bar linkage ball joint dust cover severely deteriorated.

Mileage at that test: 67,544 miles, which matches the advertised 68,000 miles.

Advertised mileage is about 6,000 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, grey. Mileage: 68,000 miles. Price: £7,680, £681 more 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: £7,345, £346 more than this car. Dealer: Autotyne in Hebburn. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-8611746d48e9
• 2012 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, white. Mileage: 70,205 miles. Price: £7,995, £996 more than this car. Dealer: Carwise in Locks Heath. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-86721423e863