2004 Mercedes-Benz SL 5.0 SL500
Price: £29,999. Above the going rate: £15,889 (112%) over the AskCar estimate of £14,110, our expected asking price for this car from its model, age, mileage and specification, drawing on 374 priced Mercedes-Benz SL adverts on AskCar as of 8 November 2026.
AskCar lists 468 used Mercedes-Benz SL from 344 UK dealerships, as of 8 November 2026.
Overview
- Make: Mercedes-Benz
- Model: SL
- Version: 5.0 SL500 Auto RWD Euro 3 2dr (306 bhp)
- Year: 2004
- Mileage: 17,549 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 2 seats
- Engine: 5.0 litres, 306 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Silver
- CO2: 292 g/km
- Emissions standard: Euro 3
About this car
This 2004 Mercedes-Benz SL has covered 17,549 miles, around 54,500 fewer miles than is typical for its age. Priced at £29,999, it is advertised £15,889 above the AskCar estimate of £14,110. The AskCar estimate uses 374 UK dealer adverts for the Mercedes-Benz SL, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 65 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Circle Leasing in Bury. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Above the going rate: £15,889 (112%) over the AskCar estimate of £14,110.
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 374 priced Mercedes-Benz SL adverts across different ages and specifications, as of 8 November 2026.
Time on sale
This 2004 Mercedes-Benz SL has been on sale for at least 65 days.
Price history
AskCar first saw this advert on 4 September 2026 at £29,999. 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 8 November 2026: valid until 17 November 2026.
It has had 19 MOTs. The latest, on 13 November 2025, passed.
Advisories at the latest test: nearside rear service brake binding but not excessively.
Mileage at that test: 17,508 miles, which matches the advertised 17,549 miles.
Advertised mileage is about 54,500 miles lower 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
46 photos of this car are on its AskCar page.
As of 8 November 2026, AskCar lists 595,762 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.