2004 Mercedes-Benz SLK 2.3 Special Edition
Price: £9,500. Above the going rate: £1,978 (26%) over the AskCar estimate of £7,522, our expected asking price for this car from its model, age, mileage and specification, drawing on 407 priced Mercedes-Benz SLK adverts on AskCar as of 9 November 2026.
AskCar lists 459 used Mercedes-Benz SLK from 358 UK dealerships, as of 9 November 2026.
Overview
- Make: Mercedes-Benz
- Model: SLK
- Trim: Special Edition
- Version: 2.3 230K Tip Special Edition Auto RWD Euro 3 2dr (197 bhp)
- Year: 2004
- Mileage: 39,000 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 2 seats
- Engine: 2.3 litres, 197 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Silver
- CO2: 235 g/km
- Emissions standard: Euro 3
About this car
At 39,000 miles, this 2004 Mercedes-Benz SLK Special Edition has covered about 26,200 fewer miles than other 2004 Mercedes-Benz SLK cars. The dealer is asking £9,500, which is £1,978 above the AskCar estimate of £7,522. To work out the AskCar estimate, we analyse UK dealer adverts for 407 Mercedes-Benz SLK cars across different ages and specifications. We have tracked this advert for 39 days. Its advertised mileage matches the government's MOT record. You can find this car at West Sussex Specialist Cars in Petworth. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 9 November 2026.
Price
Above the going rate: £1,978 (26%) over the AskCar estimate of £7,522.
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 407 priced Mercedes-Benz SLK adverts across different ages and specifications, as of 9 November 2026.
Time on sale
This 2004 Mercedes-Benz SLK has been on sale for at least 39 days.
Price history
AskCar first saw this advert on 1 October 2026 at £9,500. 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 9 November 2026: valid until 13 November 2026.
It has had 19 MOTs. The latest, on 5 November 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 39,040 miles, which matches the advertised 39,000 miles.
Advertised mileage is about 26,200 miles lower than the median mileage of a 2004 Mercedes-Benz SLK on AskCar.
Browse all Mercedes-Benz SLK cars for sale · 2004 Mercedes-Benz SLK price guide
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Photos
30 photos of this car are on its AskCar page.
As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.