2004 Mercedes-Benz SL 5.5 SL600
Price: £24,990. Above the going rate: £14,117 (129%) over the AskCar estimate of £10,873, our expected asking price for this car from its model, age, mileage and specification, drawing on 371 priced Mercedes-Benz SL adverts on AskCar as of 10 November 2026.
AskCar lists 462 used Mercedes-Benz SL from 341 UK dealerships, as of 10 November 2026.
Overview
- Make: Mercedes-Benz
- Model: SL
- Version: 5.5 SL600 Auto RWD Euro 4 2dr (500 bhp)
- Year: 2004
- Mileage: 90,000 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 2 seats
- Engine: 5.5 litres, 500 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Silver
- CO2: 346 g/km
- Emissions standard: Euro 4, ULEZ compliant
About this car
This 2004 Mercedes-Benz SL is advertised with 90,000 miles, approximately 18,000 above the typical mileage for its age. The dealer is asking £24,990, which is £14,117 above the AskCar estimate of £10,873. To work out the AskCar estimate, we analyse UK dealer adverts for 371 Mercedes-Benz SL cars across different ages and specifications. We have tracked this advert for 13 days. The government's MOT record matches its advertised mileage. It is for sale at Priory Cars in Bedford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 10 November 2026.
Priory Cars is rated 4.8 out of 5 on Google.
Price
Above the going rate: £14,117 (129%) over the AskCar estimate of £10,873.
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 371 priced Mercedes-Benz SL adverts across different ages and specifications, as of 10 November 2026.
Time on sale
This 2004 Mercedes-Benz SL has been on sale for at least 13 days.
Price history
AskCar first saw this advert on 28 October 2026 at £24,990. 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 10 November 2026: valid until 30 June 2027.
It has had 23 MOTs. The latest, on 9 June 2026, passed.
Advisories at the latest test: front brake disc worn, pitted or scored, but not seriously weakened; rear brake disc worn, pitted or scored, but not seriously weakened; nearside rear tyre slightly damaged/cracking or perishing; and 1 more.
Mileage at that test: 89,938 miles, which matches the advertised 90,000 miles.
Advertised mileage is about 18,000 miles higher than the median mileage of a 2004 Mercedes-Benz SL on AskCar.
Browse all Mercedes-Benz SL cars for sale · 2004 Mercedes-Benz SL price guide
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Photos
19 photos of this car are on its AskCar page.
As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.