2015 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: 2015
• Mileage: 51,500 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 2015 Mercedes-Benz SLK is advertised with 51,500 miles on the clock. Its asking price of £9,995 is £344 above the AskCar estimate of £9,651. The AskCar estimate uses 407 UK dealer adverts for the Mercedes-Benz SLK, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 119 days ago, and its asking price has since fallen by £1,000. Its advertised mileage matches the government's MOT record. You can find this car at Whitehart Service Station in Hockley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £344 (3%) over the AskCar estimate of £9,651.

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 407 priced Mercedes-Benz SLK adverts across different ages and specifications, as of 9 November 2026.

A 2015 Mercedes-Benz SLK with the 2.1 diesel engine is typically advertised at £9,800: the median of the 36 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2015 Mercedes-Benz SLK has been on sale for at least 119 days.

Price history

AskCar first saw this advert on 13 July 2026 at £10,995. Its asking price is now £9,995, £1,000 less. The latest price cut was seen on 1 October 2026.

Price changes recorded:

• 13 July 2026: £10,995
• 1 October 2026: £9,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 6 June 2027.

It has had 10 MOTs. The latest, on 5 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 51,523 miles, which matches the advertised 51,500 miles.

Advertised mileage is about 1,700 miles lower than the median mileage of a 2015 Mercedes-Benz SLK on AskCar.