2015 Mercedes-Benz SLK

2.1 SLK250 CDI AMG Sport G-Tronic+ RWD Euro 5 (s/s) 2dr (201 bhp)

£6,194

Good value: £993 under the typical £7,187 for this model, age and mileage, drawing on 387 adverts of this make and model.

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)
Mileage: 96,173 miles
Year: 2015
Fuel type: Diesel
Body type: Convertible
Engine: 2.1 L
Gearbox: Automatic
Power: 201 bhp
Seats: 2
CO2: 132 g/km
Colour: Red
Doors: 2
Driven wheels: Rear Wheel Drive
Gearbox version: G-Tronic+
Engine badge: SLK250 CDI
Emissions standard: Euro 5

About this car

At 96,173 miles, this 2015 Mercedes-Benz SLK AMG Sport has covered about 43,000 more miles than other 2015 Mercedes-Benz SLK cars. The dealer is asking £6,194, which is £993 below our market estimate of £7,187. To estimate its market asking price, we analyse UK dealer adverts for 387 Mercedes-Benz SLK cars across different ages and specifications. We first recorded this advert 22 days ago, and its asking price has since fallen by £800. Its MOT is recorded as valid until 12 March 2027. The advertised mileage is consistent with the latest MOT reading. You can find this car at Car Vault in Welwyn Garden City.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 3 October 2026, 22 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £800 from the first recorded £6,994. 1 price reduction recorded, the latest observed on 21 October 2026.

Recorded asking prices
Date observed	Asking price
3 October 2026	£6,994
21 October 2026	£6,194
23 October 2026	£6,194

Price and mileage comparison

Estimated market asking price: £7,187. The asking price is £993 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 387 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 43,000 miles higher than typical for a 2015 Mercedes-Benz SLK.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 12 March 2027. 92,827 miles at the last test.

28 other cars with the same year, trim, gearbox and fuel are for sale from £5,999 to £13,995.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£5,999	111,705 miles
£7,395	89,900 miles
£7,495	72,000 miles
£7,500	90,208 miles
£8,010	93,920 miles

These cars have covered 23,096–111,705 miles, compared with 96,173 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Mercedes-Benz SLK cars for sale · 2015 Mercedes-Benz SLK price guide

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