2012 Mercedes-Benz SLK 2.1 SLK250 CDI BlueEfficiency

Overview

• Make: Mercedes-Benz
• Model: SLK
• Version: 2.1 SLK250 CDI BlueEfficiency G-Tronic+ RWD Euro 5 (s/s) 2dr (201 bhp)
• Year: 2012
• Mileage: 63,899 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

This 2012 Mercedes-Benz SLK is advertised with 63,899 miles on the clock. The dealer is asking £6,695, which is £75 below the AskCar estimate of £6,770. To work out the AskCar estimate, we analyse UK dealer adverts for 415 Mercedes-Benz SLK cars across different ages and specifications. We have tracked this advert today. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Cleveland Vehicle Sales in Middlesbrough. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Price

Fair price: £75 (1%) under the AskCar estimate of £6,770.

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 415 priced Mercedes-Benz SLK adverts across different ages and specifications, as of 12 November 2026.

A 2012 Mercedes-Benz SLK with the 2.1 diesel engine is typically advertised at £7,700: the median of the 27 for sale on AskCar, as of 12 November 2026.

Time on sale

AskCar first saw this 2012 Mercedes-Benz SLK advertised today. About half of 2012 Mercedes-Benz SLK cars are gone from sale within a month of being advertised: 42 of the 91 first advertised between 14 July 2026 and 9 October 2026.

Price history

AskCar first saw this advert on 12 November 2026 at £6,695. 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 12 November 2026: valid until 19 February 2027.

It has had 12 MOTs. The latest, on 20 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 60,972 miles, which matches the advertised 63,899 miles.

Advertised mileage is about 1,900 miles higher than the median mileage of a 2012 Mercedes-Benz SLK on AskCar.