2014 Mercedes-Benz SLK 2.1 SLK250 CDI

Overview

• Make: Mercedes-Benz
• Model: SLK
• Version: 2.1 SLK250 CDI G-Tronic+ RWD Euro 5 (s/s) 2dr (201 bhp)
• Year: 2014
• Mileage: 58,000 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.1 litres, 201 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 132 g/km
• Emissions standard: Euro 5

About this car

This 2014 Mercedes-Benz SLK has covered 58,000 miles, around 11,400 fewer miles than is typical for its age. Priced at £7,450, it is advertised £1,121 below the AskCar estimate of £8,571. The AskCar estimate uses UK dealer asking prices, including 417 Mercedes-Benz SLK adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 42 days ago, the asking price has dropped by £500. Our records show an MOT expiry date of 4 August 2026, which has passed. Ask the dealer for an update. Its advertised mileage matches the government's MOT record. You can find this car at S I Motors in Ongar. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Good value: £1,121 (13%) under the AskCar estimate of £8,571.

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 7 November 2026.

A 2014 Mercedes-Benz SLK with the 2.1 diesel engine is typically advertised at £8,100: the median of the 46 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2014 Mercedes-Benz SLK has been on sale for at least 42 days.

Price history

AskCar first saw this advert on 26 September 2026 at £7,950. Its asking price is now £7,450, £500 less. The latest price cut was seen on 16 October 2026.

Price changes recorded:

• 26 September 2026: £7,950
• 16 October 2026: £7,450

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: the latest record we hold ran out on 4 August 2026; ask the dealer for the current MOT.

It has had 11 MOTs. The latest, on 31 July 2025, passed.

Advisories at the latest test: nearside rear tyre slightly damaged/cracking or perishing; offside rear tyre slightly damaged/cracking or perishing; nearside front suspension arm pin or bush worn but not resulting in excessive movement; and 1 more.

Mileage at that test: 57,482 miles, which matches the advertised 58,000 miles.

Advertised mileage is about 11,400 miles lower than the median mileage of a 2014 Mercedes-Benz SLK on AskCar.