2012 Mercedes-Benz SLK 1.8 SLK250 BlueEfficiency Edition 125

Price: £10,500. Above the going rate: £1,795 (20%) over the AskCar estimate of £8,705, our expected asking price for this car from its model, age, mileage and specification, drawing on 405 priced Mercedes-Benz SLK adverts on AskCar as of 6 November 2026.

AskCar lists 459 used Mercedes-Benz SLK from 361 UK dealerships, as of 6 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: SLK
  • Trim: Edition 125
  • Version: 1.8 Edition 125 Auto RWD Euro 5 2dr (201 bhp)
  • Year: 2012
  • Mileage: 60,665 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 2 seats
  • Engine: 1.8 litres, 201 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Silver
  • CO2: 153 g/km
  • Emissions standard: Euro 5, ULEZ compliant

About this car

This 2012 Mercedes-Benz SLK Edition 125 has covered 60,665 miles. Priced at £10,500, it is advertised £1,795 above the AskCar estimate of £8,705. The AskCar estimate uses UK dealer asking prices, including 405 Mercedes-Benz SLK adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 26 days ago, the asking price has dropped by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Group Mercedes-Benz of Cheltenham & Gloucester, based in Staverton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,795 (20%) over the AskCar estimate of £8,705.

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 405 priced Mercedes-Benz SLK adverts across different ages and specifications, as of 6 November 2026.

A 2012 Mercedes-Benz SLK with the 1.8 petrol engine is typically advertised at £8,400: the median of the 32 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2012 Mercedes-Benz SLK has been on sale for at least 26 days.

Price history

AskCar first saw this advert on 11 October 2026 at £11,000. Its asking price is now £10,500, £500 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

  • 11 October 2026: £11,000
  • 27 October 2026: £10,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 30 June 2027.

It has had 12 MOTs. The latest, on 1 July 2026, passed.

Advisories at the latest test: offside rear brake pipe corroded, covered in grease or other material; front brake pad(s) wearing thin; nearside rear lower coil spring corroded.

Mileage at that test: 60,608 miles, which matches the advertised 60,665 miles.

Advertised mileage is about 1,300 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 £7,694 to £9,950, as of 6 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, £550 less 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: 47,000 miles. Price: £7,694, £2,806 less than this car. Dealer: Prime London Motors in Staines. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2012-54157227ac48

Browse all Mercedes-Benz SLK cars for sale · 2012 Mercedes-Benz SLK price guide

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Photos

27 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.