2014 Mercedes-Benz SLK 2.1 SLK250 CDI AMG Sport

Overview

• Make: Mercedes-Benz
• Model: SLK
• Trim: AMG Sport
• Version: 2.1 SLK250 CDI AMG Sport G-Tronic+ RWD Euro 5 (s/s) 2dr (201 bhp)
• Year: 2014
• Mileage: 69,755 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 2014 Mercedes-Benz SLK AMG Sport has covered 69,755 miles. Priced at £7,942, it is advertised £488 below the AskCar estimate of £8,430. The AskCar estimate uses 405 UK dealer adverts for the Mercedes-Benz SLK, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 31 days ago. Its asking price has since fallen by £8. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Mountbatten Car Sales in Wotton-Under-Edge. 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

Fair price: £488 (5%) under the AskCar estimate of £8,430.

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 2014 Mercedes-Benz SLK with the 2.1 diesel engine is typically advertised at £8,000: the median of the 45 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2014 Mercedes-Benz SLK has been on sale for at least 31 days.

Price history

AskCar first saw this advert on 6 October 2026 at £7,950. Its asking price is now £7,942, £8 less. The latest price cut was seen on 16 October 2026.

Price changes recorded:

• 12 October 2026: £7,950
• 16 October 2026: £7,942

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 23 July 2027.

It failed its MOT on 22 July 2026 (nearside rear tyre tread depth below requirements of 1.6mm; offside rear tyre tread depth below requirements of 1.6mm) and passed 2 days later, on 24 July 2026.

There were no advisories at the latest test.

Mileage at that test: 68,371 miles, which matches the advertised 69,755 miles.

Similar cars

35 other 2014 Mercedes-Benz SLK AMG Sport 2.1 diesel automatic convertibles are for sale at UK dealers, from £4,250 to £12,490, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, black. Mileage: 68,903 miles. Price: £9,499, £1,557 more than this car. Dealer: Quality Cars Uk in Preston. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-51055ec40c0d
• 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, white. Mileage: 71,000 miles. Price: £8,295, £353 more than this car. Dealer: Birch Car Sales in New Mills. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-f9866d543237
• 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, white. Mileage: 71,118 miles. Price: £8,945, £1,003 more than this car. Dealer: Errigal Motor Company in Belfast. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-087b22ece977

• The nearest: 2014 Mercedes-Benz SLK AMG Sport, 2.1 diesel convertible, white, 10 miles from this car. Mileage: 101,049 miles. Price: £7,000, £942 less than this car. Dealer: Carbase Bristol in Bristol. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2014-32343040c743