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: 91,100 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.1 litres, 201 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 132 g/km
• Emissions standard: Euro 5

About this car

At 91,100 miles, this 2014 Mercedes-Benz SLK has covered about 21,700 more miles than other 2014 Mercedes-Benz SLK cars. The dealer is asking £6,499, which is £281 below the AskCar estimate of £6,780. To work out the AskCar estimate, we analyse UK dealer adverts for 399 Mercedes-Benz SLK cars across different ages and specifications. This car was first seen in our listings data 158 days ago. Its advertised mileage matches the government's MOT record. The seller is Merc of Enfield, based in Enfield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £281 (4%) under the AskCar estimate of £6,780.

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 399 priced Mercedes-Benz SLK adverts across different ages and specifications, as of 2 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 2 November 2026.

Time on sale

This 2014 Mercedes-Benz SLK has been on sale for at least 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £6,499. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 3 May 2027.

It failed its MOT on 4 May 2026 (rear tyre tread depth below requirements of 1.6mm) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 91,196 miles, which matches the advertised 91,100 miles.

Advertised mileage is about 21,700 miles higher than the median mileage of a 2014 Mercedes-Benz SLK on AskCar.