2003 Mercedes-Benz SL 5.4 SL55 AMG
Version: 5.4 SL55 AMG Auto RWD Euro 3 2dr (500 bhp)
Price: £34,950. Above the going rate: £5,607 (19%) over the AskCar estimate of £29,343, 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
- Trim
- AMG
- Version
- 5.4 SL55 AMG Auto RWD Euro 3 2dr (500 bhp)
- Mileage
- 4,700 miles
- Year
- 2003
- Fuel type
- Petrol
- Body type
- Convertible
- Engine
- 5.4 L
- Gearbox
- Automatic
- Power
- 500 bhp
- Seats
- 2
- CO2
- 324 g/km
- Colour
- Silver
- Doors
- 2
- Driven wheels
- Rear Wheel Drive
- Engine badge
- SL55
- Emissions standard
- Euro 3
About this car
This 2003 Mercedes-Benz SL AMG has covered 4,700 miles. The AskCar estimate for this car is £29,343. It is priced at £34,950, which is £5,607 above that estimate. The AskCar estimate uses 368 UK dealer adverts for the Mercedes-Benz SL, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 35 days ago. Ask the dealer why the advert shows fewer miles than the 47,825 recorded at the latest MOT. Its MOT is recorded as valid until 30 November 2026. It is for sale at The School Garage in Whaley Bridge.
Stock data as of 1 November 2026.
Price history
AskCar first saw this advert on 27 September 2026, 35 days ago.
| Date observed | Asking price |
|---|---|
| 27 September 2026 | £34,950 |
| 1 November 2026 | £34,950 |
Price and mileage comparison
Above the going rate: £5,607 (19%) over the AskCar estimate of £29,343.
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 58,800 miles lower than the median mileage of a 2003 Mercedes-Benz SL on AskCar.
Mileage concern: the advertised mileage is below the last MOT reading; ask the dealer to explain.
MOT
MOT: valid until 30 November 2026. 47,825 miles at the last test.
Other matching cars
9 other 2003 Mercedes-Benz SL AMG automatic petrol cars are for sale at UK dealers from £14,995 to £36,995, as of 1 November 2026.
The 5 cheapest:
- 2003 Mercedes-Benz SL. Price: £14,995. Mileage: 65,000 miles. Dealer: Paul Blaney Motors in Belfast. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2003-1bccaf375132
- 2003 Mercedes-Benz SL. Price: £17,995. Mileage: 61,951 miles. Dealer: TSN Motors Blackburn in Blackburn. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2003-d084d23ab2c4
- 2003 Mercedes-Benz SL. Price: £18,995. Mileage: 51,563 miles. Dealer: Allwood Automobiles in Waltham Cross. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2003-4542da9c8bf2
- 2003 Mercedes-Benz SL. Price: £19,989. Mileage: 49,734 miles. Dealer: Stirling Cars in Hoddesdon. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2003-0bcbb1034666
- 2003 Mercedes-Benz SL. Price: £19,990. Mileage: 75,000 miles. Dealer: Karmann Classics in Ripley. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2003-fefd0163bd49
The 9 matching cars have covered 44,000 to 75,000 miles, compared with 4,700 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 · 2003 Mercedes-Benz SL price guide
Photos
32 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.