2004 Mercedes-Benz SL 5.5 SL600
Version: 5.5 SL600 Auto RWD Euro 4 2dr (500 bhp)
Price: £24,990. Above the going rate: £14,383 (135%) over the AskCar estimate of £10,607, our expected asking price for this car from its model, age, mileage and specification, drawing on 368 priced Mercedes-Benz SL adverts on AskCar as of 1 November 2026.
AskCar lists 471 used Mercedes-Benz SL from 348 UK dealerships, as of 1 November 2026.
Overview
- Make
- Mercedes-Benz
- Model
- SL
- Version
- 5.5 SL600 Auto RWD Euro 4 2dr (500 bhp)
- Mileage
- 90,000 miles
- Year
- 2004
- Fuel type
- Petrol
- Body type
- Convertible
- Engine
- 5.5 L
- Gearbox
- Automatic
- Power
- 500 bhp
- Seats
- 2
- CO2
- 346 g/km
- Colour
- Silver
- Doors
- 2
- Driven wheels
- Rear Wheel Drive
- Engine badge
- SL600
- Emissions standard
- Euro 4
About this car
This 2004 Mercedes-Benz SL is advertised with 90,000 miles, approximately 16,400 above the typical mileage for its age. The dealer is asking £24,990, which is £14,383 above the AskCar estimate of £10,607. To work out the AskCar estimate, we analyse UK dealer adverts for 368 Mercedes-Benz SL cars across different ages and specifications. We have tracked this advert for 4 days. It is for sale at Priory Cars in Bedford.
Stock data as of 1 November 2026.
Price history
AskCar first saw this advert on 28 October 2026, 4 days ago.
| Date observed | Asking price |
|---|---|
| 31 October 2026 | £24,990 |
| 1 November 2026 | £24,990 |
Price and mileage comparison
Above the going rate: £14,383 (135%) over the AskCar estimate of £10,607.
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 368 priced Mercedes-Benz SL adverts across different ages and specifications, as of 1 November 2026.
Advertised mileage is about 16,400 miles higher than the median mileage of a 2004 Mercedes-Benz SL on AskCar.
Other matching cars
13 other 2004 Mercedes-Benz SL automatic petrol cars are for sale at UK dealers from £3,995 to £29,999, as of 1 November 2026.
The 5 cheapest:
- 2004 Mercedes-Benz SL. Price: £3,995. Mileage: 134,000 miles. Dealer: Motor Bros in Sheffield. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2004-9badbc6052d2
- 2004 Mercedes-Benz SL. Price: £4,999. Mileage: 96,000 miles. Dealer: ACE Motor Vehicles in Durham. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2004-2f15d3422251
- 2004 Mercedes-Benz SL. Price: £5,490. Mileage: 70,000 miles. Dealer: Lincoln Marks Motor Co in Adlington. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2004-9de9a96dce86
- 2004 Mercedes-Benz SL. Price: £5,995. Mileage: 86,349 miles. Dealer: Irvine Vehicle Sales in Bridgwater. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2004-35f95a7f2e65
- 2004 Mercedes-Benz SL. Price: £6,190. Mileage: 84,500 miles. Dealer: Mintco Motors in Camberley. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2004-ba98380863fc
The 13 matching cars have covered 17,549 to 148,000 miles, compared with 90,000 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Mercedes-Benz SL cars for sale · 2004 Mercedes-Benz SL price guide
More like this
Photos
19 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.