2003 Mercedes-Benz SL 5.0 SL500

Price: £14,995. Above the going rate: £3,283 (28%) over the AskCar estimate of £11,712, 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: 2003
  • Mileage: 42,421 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 2 seats
  • Engine: 5.0 litres, 306 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 304 g/km
  • Emissions standard: Euro 3

About this car

This 2003 Mercedes-Benz SL is advertised with 42,421 miles, approximately 22,600 below the typical mileage for its age. The AskCar estimate for this car is £11,712. It is priced at £14,995, which is £3,283 above that estimate. The AskCar estimate draws on 374 Mercedes-Benz SL adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 164 days. Its advertised mileage matches the government's MOT record. It is advertised by SandyGate Cars & Commercials in Clitheroe. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £3,283 (28%) over the AskCar estimate of £11,712.

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.

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 8 November 2026.

Time on sale

This 2003 Mercedes-Benz SL has been on sale for at least 164 days.

Price history

AskCar first saw this advert on 28 May 2026 at £14,995. 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 7 May 2027.

It has had 22 MOTs. The latest, on 29 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 42,478 miles, which matches the advertised 42,421 miles.

Advertised mileage is about 22,600 miles lower 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

37 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.