2012 Mercedes-Benz SLK 1.8 SLK200 BlueEfficiency Edition 125

Overview

• Make: Mercedes-Benz
• Model: SLK
• Trim: Edition 125
• Version: 1.8 SLK200 BlueEfficiency Edition 125 G-Tronic+ RWD Euro 5 (s/s) 2dr (181 bhp)
• Year: 2012
• Mileage: 47,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 1.8 litres, 181 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Silver
• CO2: 151 g/km
• Emissions standard: Euro 5, ULEZ compliant

About this car

At 47,000 miles, this 2012 Mercedes-Benz SLK Edition 125 has covered about 15,000 fewer miles than other 2012 Mercedes-Benz SLK cars. Priced at £7,694, it is advertised £764 below the AskCar estimate of £8,458. To work out the AskCar estimate, we analyse UK dealer adverts for 417 Mercedes-Benz SLK cars across different ages and specifications. The asking price is now £300 lower than when we first recorded the advert 47 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Prime London Motors in Staines. 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

Good value: £764 (9%) under the AskCar estimate of £8,458.

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 1.8 petrol engine is typically advertised at £8,500: the median of the 31 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2012 Mercedes-Benz SLK has been on sale for at least 47 days.

Price history

AskCar first saw this advert on 22 September 2026 at £7,994. Its asking price is now £7,694, £300 less. The latest price cut was seen on 4 October 2026.

Price changes recorded:

• 22 September 2026: £7,994
• 4 October 2026: £7,694

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 24 April 2027.

It has had 14 MOTs. The latest, on 25 April 2026, passed.

Advisories at the latest test: undertray fitted.

Mileage at that test: 46,713 miles, which matches the advertised 47,000 miles.

Advertised mileage is about 15,000 miles lower than the median mileage of a 2012 Mercedes-Benz SLK on AskCar.

Similar cars

2 other 2012 Mercedes-Benz SLK Edition 125 1.8 petrol automatic convertibles are for sale at UK dealers, from £9,950 to £10,500, as of 8 November 2026.

The 2 closest to this car in mileage:

• 2012 Mercedes-Benz SLK Edition 125, 1.8 petrol convertible, black. Mileage: 53,000 miles. Price: £9,950, £2,256 more than this car. Dealer: Taylor Cars in Inverness. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-e2175541cac0
• 2012 Mercedes-Benz SLK Edition 125, 1.8 petrol convertible, silver. Mileage: 60,665 miles. Price: £10,500, £2,806 more than this car. Dealer: Sytner Group Mercedes-Benz of Cheltenham & Gloucester in Cheltenham. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-4ea4773bf6f7