2003 Mercedes-Benz SL 5.0 SL500
Price: £18,295. Above the going rate: £9,518 (108%) over the AskCar estimate of £8,777, our expected asking price for this car from its model, age, mileage and specification, drawing on 370 priced Mercedes-Benz SL adverts on AskCar as of 9 November 2026.
AskCar lists 461 used Mercedes-Benz SL from 341 UK dealerships, as of 9 November 2026.
Overview
- Make: Mercedes-Benz
- Model: SL
- Version: 5.0 SL500 Auto RWD Euro 3 2dr (306 bhp)
- Year: 2003
- Mileage: 82,000 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 2 seats
- Engine: 5.0 litres, 306 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Green
- CO2: 292 g/km
- Emissions standard: Euro 3
About this car
This 2003 Mercedes-Benz SL has covered 82,000 miles. Priced at £18,295, it is advertised £9,518 above the AskCar estimate of £8,777. The AskCar estimate draws on 370 Mercedes-Benz SL adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 165 days ago. The advertised mileage is lower than the latest MOT reading of 83,649 miles. Ask the dealer to explain. The latest recorded MOT expiry date is 11 August 2024, which has passed. Confirm its status with the dealer. The seller is Wokingham Trade Centre, based in Wokingham. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 9 November 2026.
Wokingham Trade Centre is rated 4.7 out of 5 on Google.
Price
Above the going rate: £9,518 (108%) over the AskCar estimate of £8,777.
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 370 priced Mercedes-Benz SL adverts across different ages and specifications, as of 9 November 2026.
A 2003 Mercedes-Benz SL with the 5.0 petrol engine is typically advertised at £10,000: the median of the 15 for sale on AskCar, as of 9 November 2026.
Time on sale
This 2003 Mercedes-Benz SL has been on sale for at least 165 days.
Price history
AskCar first saw this advert on 28 May 2026 at £18,295. 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 9 November 2026: the latest record we hold ran out on 11 August 2024; ask the dealer for the current MOT.
It has had 19 MOTs. The latest, on 12 August 2023, passed.
Advisories at the latest test: trays and covers fitted.
Mileage at that test: 83,649 miles. The advert says 82,000 miles, fewer than the MOT record, so ask the dealer which is right.
Advertised mileage is about 17,000 miles higher than the median mileage of a 2003 Mercedes-Benz SL on AskCar.
Browse all Mercedes-Benz SL cars for sale · 2003 Mercedes-Benz SL price guide
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Photos
39 photos of this car are on its AskCar page.
As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.