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: 80,246 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 is advertised with 80,246 miles, approximately 18,200 above the typical mileage for its age. The dealer is asking £6,490, which is £477 above the AskCar estimate of £6,013. 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 33 days ago. Its advertised mileage matches the government's MOT record. It is advertised by Gerry Hill Car Sales in Aberdare. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £477 (7%) over the AskCar estimate of £6,013.

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 8 November 2026.

A 2012 Mercedes-Benz SLK with the 2.1 diesel engine is typically advertised at £7,700: the median of the 25 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2012 Mercedes-Benz SLK has been on sale for at least 33 days.

Price history

AskCar first saw this advert on 6 October 2026 at £6,490. Its asking price has not changed.

Price changes recorded:

• 6 October 2026: £6,490
• 8 October 2026: £6,750
• 8 November 2026: £6,490

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 20 July 2027.

It has had 14 MOTs. The latest, on 21 July 2026, passed.

Advisories at the latest test: nearside front windscreen damaged but not adversely affecting driver's view stone chip; under shield fitted; rear brake disc worn, pitted or scored, but not seriously weakened; and 4 more.

Mileage at that test: 80,108 miles, which matches the advertised 80,246 miles.

Advertised mileage is about 18,200 miles higher than the median mileage of a 2012 Mercedes-Benz SLK on AskCar.