2004 Mercedes-Benz SL 5.4 SL55 AMG
Price: £12,999. Good value: £2,580 (16%) under the AskCar estimate of £15,579, our expected asking price for this car from its model, age, mileage and specification, drawing on 365 priced Mercedes-Benz SL adverts on AskCar as of 6 November 2026.
AskCar lists 466 used Mercedes-Benz SL from 343 UK dealerships, as of 6 November 2026.
Overview
- Make: Mercedes-Benz
- Model: SL
- Trim: AMG
- Version: 5.4 SL55 Kompressor AMG Auto RWD Euro 4 2dr (476 bhp)
- Year: 2004
- Mileage: 111,285 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 2 seats
- Engine: 5.4 litres, 476 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Silver
- CO2: 324 g/km
- Emissions standard: Euro 4, ULEZ compliant
About this car
This 2004 Mercedes-Benz SL AMG is advertised with 111,285 miles, approximately 39,300 above the typical mileage for its age. The AskCar estimate for this car is £15,579. It is priced at £12,999, which is £2,580 below that estimate. The AskCar estimate draws on 365 Mercedes-Benz SL adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 42 days ago. The government's MOT record matches its advertised mileage. It is advertised by Andys Autos NW in Standish. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Good value: £2,580 (16%) under the AskCar estimate of £15,579.
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 365 priced Mercedes-Benz SL adverts across different ages and specifications, as of 6 November 2026.
Time on sale
This 2004 Mercedes-Benz SL has been on sale for at least 42 days.
Price history
AskCar first saw this advert on 25 September 2026 at £12,999. 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 6 November 2026: valid until 29 March 2027.
It has had 24 MOTs. The latest, on 16 March 2026, passed.
Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge very close inner edge; offside front tyre worn close to legal limit/worn on edge very close inner edge; offside front lower suspension component ball joint has slight play rear ball joint.
Mileage at that test: 110,679 miles, which matches the advertised 111,285 miles.
Advertised mileage is about 39,300 miles higher than the median mileage of a 2004 Mercedes-Benz SL on AskCar.
Similar cars
2 other 2004 Mercedes-Benz SL AMG 5.4 petrol automatic convertibles are for sale at UK dealers, from £14,990 to £23,000, as of 6 November 2026.
The 2 closest to this car in mileage:
- 2004 Mercedes-Benz SL AMG, 5.4 petrol convertible, black. Mileage: 116,500 miles. Price: £14,990, £1,991 more than this car. Dealer: Oaklodge Cars in Willenhall. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2004-1c7e02de87dc
- 2004 Mercedes-Benz SL AMG, 5.4 petrol convertible, blue. Mileage: 90,000 miles. Price: £23,000, £10,001 more than this car. Dealer: Blackheath Motor Group in Blackheath. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2004-0faf511b1b94
Browse all Mercedes-Benz SL cars for sale · 2004 Mercedes-Benz SL price guide
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Photos
75 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.