2004 Mercedes-Benz SLK

2.3 SLK230 Kompressor Auto RWD Euro 3 2dr (197 bhp)

£4,990

Above the going rate: £536 over the typical £4,454 for this model, age and mileage, drawing on 387 adverts of this make and model.

Overview

Make
Mercedes-Benz
Model
SLK
Trim
KOMPRESSOR
Version
2.3 SLK230 Kompressor Auto RWD Euro 3 2dr (197 bhp)
Mileage
36,237 miles
Year
2004
Fuel type
Petrol
Body type
Convertible
Engine
2.3 L
Gearbox
Automatic
Power
197 bhp
Seats
2
CO2
235 g/km
Colour
Silver
Doors
2
Driven wheels
Rear Wheel Drive
Engine badge
SLK230
Emissions standard
Euro 3

About this car

This 2004 Mercedes-Benz SLK Kompressor has covered 36,237 miles, around 29,000 fewer than typical for its age. At £4,990, it is advertised £536 above our estimated market asking price of £4,454. The estimate uses 387 UK dealer adverts for the Mercedes-Benz SLK, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 151 days. MOT records show an expiry date of 11 May 2027, and the latest recorded mileage is consistent with the advert. The seller is HMC, based in Chesham.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 151 days ago. Advert duration calculated on 26 October 2026.

Recorded asking prices
Date observedAsking price
28 May 2026£4,990
2 August 2026£4,990
3 August 2026£4,990
7 October 2026£4,990
20 October 2026£4,990
23 October 2026£4,990

Price and mileage comparison

Estimated market asking price: £4,454. The asking price is £536 above this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 387 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 29,000 miles lower than typical for a 2004 Mercedes-Benz SLK.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 11 May 2027. 36,333 miles at the last test.

7 other cars with the same year, trim, gearbox and fuel are for sale from £2,295 to £5,490.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£2,295102,000 miles
£2,49590,000 miles
£2,50055,000 miles
£2,999100,160 miles
£3,99033,000 miles

These cars have covered 10,000–102,000 miles, compared with 36,237 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

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

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