2015 Mercedes-Benz SLK

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

£9,999

Good value: £1,176 under the typical £11,175 for this model, age and mileage, drawing on 387 adverts of this make and model.

Overview

Make
Mercedes-Benz
Model
SLK
Version
2.1 SLK250 CDI G-Tronic+ RWD Euro 5 (s/s) 2dr (201 bhp)
Mileage
28,350 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
Black
Doors
2
Driven wheels
Rear Wheel Drive
Gearbox version
G-Tronic+
Engine badge
SLK250 CDI
Emissions standard
Euro 5

About this car

With 28,350 miles on the clock, this 2015 Mercedes-Benz SLK has done roughly 24,800 fewer miles than a typical 2015 Mercedes-Benz SLK. Its asking price of £9,999 is £1,176 below our estimate of £11,175. The estimate uses 387 UK dealer adverts for the Mercedes-Benz SLK, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 45 days ago, the asking price has dropped by £1,296. Its recorded MOT is valid until 21 April 2027, and its advertised mileage is consistent with the latest MOT reading. It is advertised by Athena Automotive in Bicester.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 10 September 2026, 45 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £1,296 from the first recorded £11,295. 4 price reductions recorded, the latest observed on 22 October 2026.

Recorded asking prices
Date observedAsking price
10 September 2026£11,295
1 October 2026£10,995
12 October 2026£10,895
17 October 2026£10,495
22 October 2026£9,999
23 October 2026£9,999

Price and mileage comparison

Estimated market asking price: £11,175. The asking price is £1,176 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 24,800 miles lower than typical for a 2015 Mercedes-Benz SLK.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 21 April 2027. 27,367 miles at the last test.

5 other cars with the same year, trim, gearbox and fuel are for sale from £7,690 to £10,962.

Other matching cars
Asking priceMileage
£7,69074,741 miles
£7,79580,661 miles
£7,99083,797 miles
£9,99551,500 miles
£10,96242,000 miles

These cars have covered 42,000–83,797 miles, compared with 28,350 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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