2003 Mercedes-Benz SL 5.0 SL500

Price: £8,990. Fair price: £310 (3%) over the AskCar estimate of £8,680, our expected asking price for this car from its model, age, mileage and specification, drawing on 371 priced Mercedes-Benz SL adverts on AskCar as of 7 November 2026.

AskCar lists 467 used Mercedes-Benz SL from 341 UK dealerships, as of 7 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: SL
  • Version: 5.0 SL500 Auto RWD Euro 3 2dr (306 bhp)
  • Year: 2003
  • Mileage: 83,767 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 2 seats
  • Engine: 5.0 litres, 306 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Silver
  • CO2: 304 g/km
  • Emissions standard: Euro 3

About this car

This 2003 Mercedes-Benz SL is advertised with 83,767 miles, approximately 19,500 above the typical mileage for its age. Its asking price of £8,990 is £310 above the AskCar estimate of £8,680. The AskCar estimate draws on 371 Mercedes-Benz SL adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 48 days ago. Its advertised mileage matches the government's MOT record. It is advertised by Gladius Motors in Gloucester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £310 (3%) over the AskCar estimate of £8,680.

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 371 priced Mercedes-Benz SL adverts across different ages and specifications, as of 7 November 2026.

A 2003 Mercedes-Benz SL with the 5.0 petrol engine is typically advertised at £10,000: the median of the 14 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2003 Mercedes-Benz SL has been on sale for at least 48 days.

Price history

AskCar first saw this advert on 20 September 2026 at £8,990. 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 7 November 2026: valid until 16 August 2027.

It has had 21 MOTs. The latest, on 17 August 2026, passed.

Advisories at the latest test: nearside rear lower suspension arm pin or bush worn but not resulting in excessive movement; offside rear lower suspension arm pin or bush worn but not resulting in excessive movement; nearside front brake pipe corroded, covered in grease or other material.

Mileage at that test: 83,693 miles, which matches the advertised 83,767 miles.

Advertised mileage is about 19,500 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

80 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 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.