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: 91,000 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 has covered 91,000 miles, around 29,000 more miles than is typical for its age. The dealer is asking £6,499, which is £224 above the AskCar estimate of £6,275. To work out the AskCar estimate, we analyse UK dealer adverts for 417 Mercedes-Benz SLK cars across different ages and specifications. We have tracked this advert for 58 days. The recorded MOT expired on 6 October 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Baytree Automotive in Droitwich. 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: £224 (3%) over the AskCar estimate of £6,275.

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 58 days.

Price history

AskCar first saw this advert on 10 September 2026 at £6,499. 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: the latest record we hold ran out on 6 October 2026; ask the dealer for the current MOT.

It failed its MOT on 6 October 2025 (nearside front anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt; offside front anti-roll bar linkage ball joint dust cover no longer prevents the ingress of dirt) and passed 1 day later, on 7 October 2025.

Advisories at the latest test: nearside front shock absorbers has light misting of oil; nearside rear tyre worn close to legal limit/worn on edge on 2mm; offside rear tyre worn close to legal limit/worn on edge on 2mm.

Mileage at that test: 86,414 miles, which matches the advertised 91,000 miles.

Advertised mileage is about 29,000 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, black. Mileage: 98,000 miles. Price: £6,490, the same price as this car. Dealer: ESP Cars Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-f82c6e800be7
• 2012 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, red. Mileage: 99,000 miles. Price: £5,977, £522 less than this car. Dealer: First Drive Prestige in Derry. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-7ef76440b4ef
• 2012 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, white. Mileage: 81,000 miles. Price: £6,850, £351 more than this car. Dealer: J W Motor Co in Barnsley. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-97236a16def6

• The nearest: 2012 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, white, 9 miles from this car. Mileage: 78,000 miles. Price: £7,695, £1,196 more than this car. Dealer: The Oaks Motor Company in Worcester. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-8681160066d8