2009 Mercedes-Benz SLK 3.0 SLK280

Version: 3.0 SLK280 G-Tronic RWD Euro 4 2dr (228 bhp)

Price: £8,500. Above the going rate: £867 (11%) over the AskCar estimate of £7,633, our expected asking price for this car from its model, age, mileage and specification, drawing on 389 priced Mercedes-Benz SLK adverts on AskCar as of 30 October 2026.

AskCar lists 441 used Mercedes-Benz SLK from 345 UK dealerships, as of 30 October 2026.

Overview

Make
Mercedes-Benz
Model
SLK
Version
3.0 SLK280 G-Tronic RWD Euro 4 2dr (228 bhp)
Mileage
40,000 miles
Year
2009
Fuel type
Petrol
Body type
Convertible
Engine
3.0 L
Gearbox
Automatic
Power
228 bhp
Seats
2
CO2
221 g/km
Colour
Silver
Doors
2
Driven wheels
Rear Wheel Drive
Gearbox version
G-Tronic
Engine badge
SLK280
Emissions standard
Euro 4

About this car

With 40,000 miles on the clock, this 2009 Mercedes-Benz SLK has done roughly 28,000 fewer miles than a typical 2009 Mercedes-Benz SLK. The dealer is asking £8,500, which is £867 above the AskCar estimate of £7,633. To work out the AskCar estimate, we analyse UK dealer adverts for 389 Mercedes-Benz SLK cars across different ages and specifications. This car was first seen in our listings data today. The latest MOT record shows an expiry date of 18 January 2027, with the advertised mileage consistent with the recorded reading. You can find this car at Car Buyers Direct in North Yorkshire.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 30 October 2026.

Recorded asking prices
Date observedAsking price
30 October 2026£8,500

Price and mileage comparison

Above the going rate: £867 (11%) over the AskCar estimate of £7,633.

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 389 priced Mercedes-Benz SLK adverts across different ages and specifications, as of 30 October 2026.

Advertised mileage is about 28,000 miles lower than the median mileage of a 2009 Mercedes-Benz SLK on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 18 January 2027. 38,493 miles at the last test.

Other matching cars

9 other 2009 Mercedes-Benz SLK automatic petrol cars are for sale at UK dealers from £2,995 to £7,995, as of 30 October 2026.

The 5 cheapest:

The 9 matching cars have covered 31,000 to 126,700 miles, compared with 40,000 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

Browse all Mercedes-Benz SLK cars for sale · 2009 Mercedes-Benz SLK price guide

More like this

How to contact the dealer and its opening hours are on this AskCar page.

As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.