2008 Mercedes-Benz SLK 3.0 SLK280

Version: 3.0 SLK280 7G-Tronic Auto RWD Euro 4 2dr (231 bhp)

Price: £5,500. Fair price: £431 (7%) under the AskCar estimate of £5,931, our expected asking price for this car from its model, age, mileage and specification, drawing on 394 priced Mercedes-Benz SLK adverts on AskCar as of 31 October 2026.

AskCar lists 443 used Mercedes-Benz SLK from 348 UK dealerships, as of 31 October 2026.

Overview

Make
Mercedes-Benz
Model
SLK
Version
3.0 SLK280 7G-Tronic Auto RWD Euro 4 2dr (231 bhp)
Mileage
41,882 miles
Year
2008
Fuel type
Petrol
Body type
Convertible
Engine
3.0 L
Gearbox
Automatic
Power
231 bhp
Seats
2
CO2
221 g/km
Colour
Silver
Doors
2
Driven wheels
Rear Wheel Drive
Engine badge
SLK280
Emissions standard
Euro 4

About this car

At 41,882 miles, this 2008 Mercedes-Benz SLK has covered about 36,600 fewer miles than other 2008 Mercedes-Benz SLK cars. Its asking price of £5,500 is £431 below the AskCar estimate of £5,931. The AskCar estimate uses UK dealer asking prices, including 394 Mercedes-Benz SLK adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data today. MOT records show an expiry date of 31 March 2027, and the latest recorded mileage is consistent with the advert. You can find this car at High Street Motor Group in Ossett.

Stock data as of 31 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 31 October 2026.

Recorded asking prices
Date observedAsking price
31 October 2026£5,500

Price and mileage comparison

Fair price: £431 (7%) under the AskCar estimate of £5,931.

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 394 priced Mercedes-Benz SLK adverts across different ages and specifications, as of 31 October 2026.

Advertised mileage is about 36,600 miles lower than the median mileage of a 2008 Mercedes-Benz SLK on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 31 March 2027. 37,146 miles at the last test.

Other matching cars

6 other 2008 Mercedes-Benz SLK automatic petrol cars are for sale at UK dealers from £2,990 to £5,000, as of 31 October 2026.

The 5 cheapest:

The 6 matching cars have covered 65,095 to 108,000 miles, compared with 41,882 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 · 2008 Mercedes-Benz SLK price guide

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Photos

32 photos of this car are on its AskCar page.

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

As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.