2004 Mercedes-Benz SLK 2.0 SLK200 Kompressor
Price: £2,495. Fair price: £10 (under 1%) over the AskCar estimate of £2,485, our expected asking price for this car from its model, age, mileage and specification, drawing on 405 priced Mercedes-Benz SLK adverts on AskCar as of 6 November 2026.
AskCar lists 459 used Mercedes-Benz SLK from 361 UK dealerships, as of 6 November 2026.
Overview
- Make: Mercedes-Benz
- Model: SLK
- Trim: Kompressor
- Version: 2.0 SLK200 Kompressor Auto RWD Euro 3 2dr (163 bhp)
- Year: 2004
- Mileage: 90,000 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 2 seats
- Engine: 2.0 litres, 163 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Red
- CO2: 221 g/km
- Emissions standard: Euro 3
About this car
At 90,000 miles, this 2004 Mercedes-Benz SLK Kompressor has covered about 24,800 more miles than other 2004 Mercedes-Benz SLK cars. Its asking price of £2,495 is £10 above the AskCar estimate of £2,485. The AskCar estimate uses 405 UK dealer adverts for the Mercedes-Benz SLK, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 42 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Radlett Cars, based in Radlett. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £10 (under 1%) over the AskCar estimate of £2,485.
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 405 priced Mercedes-Benz SLK adverts across different ages and specifications, as of 6 November 2026.
Time on sale
This 2004 Mercedes-Benz SLK has been on sale for at least 42 days.
Price history
AskCar first saw this advert on 25 September 2026 at £2,495. 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 6 November 2026: valid until 3 March 2027.
It has had 27 MOTs. The latest, on 4 March 2026, passed.
Advisories at the latest test: front tyre worn close to legal limit/worn on edge both side.
Mileage at that test: 90,052 miles, which matches the advertised 90,000 miles.
Advertised mileage is about 24,800 miles higher than the median mileage of a 2004 Mercedes-Benz SLK on AskCar.
Similar cars
2 other 2004 Mercedes-Benz SLK Kompressor 2.0 petrol automatic convertibles are for sale at UK dealers, from £2,500 to £3,990, as of 6 November 2026.
The 2 closest to this car in mileage:
- 2004 Mercedes-Benz SLK Kompressor, 2.0 petrol convertible, silver. Mileage: 55,000 miles. Price: £2,500, the same price as this car. Dealer: W4 Car Sales in Ealing. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2004-ab456bd800c8
- 2004 Mercedes-Benz SLK Kompressor, 2.0 petrol convertible, black. Mileage: 33,000 miles. Price: £3,990, £1,495 more than this car. Dealer: Ravenor Cars in Greenford. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2004-dbf8e9656db4
Browse all Mercedes-Benz SLK cars for sale · 2004 Mercedes-Benz SLK price guide
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Photos
13 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.