2004 Mercedes-Benz SLK 2.0 SLK200 Kompressor

Price: £3,990. Above the going rate: £353 (9%) over the AskCar estimate of £3,637, 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: 33,000 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 2 seats
  • Engine: 2.0 litres, 163 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 221 g/km
  • Emissions standard: Euro 3

About this car

With 33,000 miles on the clock, this 2004 Mercedes-Benz SLK Kompressor has done roughly 32,200 fewer miles than a typical 2004 Mercedes-Benz SLK. The dealer is asking £3,990, which is £353 above the AskCar estimate of £3,637. To work out the AskCar estimate, we analyse UK dealer adverts for 405 Mercedes-Benz SLK cars across different ages and specifications. We first recorded this car for sale 33 days ago. Our records show an MOT expiry date of 30 October 2026, which has passed. Ask the dealer for an update. The government's MOT record matches its advertised mileage. You can find this car at Ravenor Cars in Greenford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £353 (9%) over the AskCar estimate of £3,637.

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 33 days.

Price history

AskCar first saw this advert on 4 October 2026 at £3,990. 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: the latest record we hold ran out on 30 October 2026; ask the dealer for the current MOT.

It has had 20 MOTs. The latest, on 31 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 29,722 miles, which matches the advertised 33,000 miles.

Advertised mileage is about 32,200 miles lower 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 £2,495 to £2,500, 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, £1,490 less than 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, red. Mileage: 90,000 miles. Price: £2,495, £1,495 less than this car. Dealer: Radlett Cars in Radlett. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2004-bfab3d9e6068

Browse all Mercedes-Benz SLK cars for sale · 2004 Mercedes-Benz SLK price guide

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Photos

3 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.