2003 Mercedes-Benz SL 5.4 SL55 AMG

Price: £19,990. Above the going rate: £1,703 (9%) over the AskCar estimate of £18,287, 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
  • Trim: AMG
  • Version: 5.4 SL55 AMG Auto RWD Euro 3 2dr (500 bhp)
  • Year: 2003
  • Mileage: 75,000 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 2 seats
  • Engine: 5.4 litres, 500 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Silver
  • CO2: 324 g/km
  • Emissions standard: Euro 3

About this car

With 75,000 miles on the clock, this 2003 Mercedes-Benz SL AMG has done roughly 10,000 more miles than a typical 2003 Mercedes-Benz SL. Its asking price of £19,990 is £1,703 above the AskCar estimate of £18,287. The AskCar estimate uses 370 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 90 days ago. The recorded MOT expired on 30 April 2026, so ask the dealer whether it has been renewed. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Karmann Classics in Guildford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,703 (9%) over the AskCar estimate of £18,287.

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.

Time on sale

This 2003 Mercedes-Benz SL has been on sale for at least 90 days.

Price history

AskCar first saw this advert on 11 August 2026 at £19,990. 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 9 November 2026: the latest record we hold ran out on 30 April 2026; ask the dealer for the current MOT.

It has had 26 MOTs. The latest, on 1 May 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 75,206 miles, which matches the advertised 75,000 miles.

Advertised mileage is about 10,000 miles higher than the median mileage of a 2003 Mercedes-Benz SL on AskCar.

Similar cars

8 other 2003 Mercedes-Benz SL AMG 5.4 petrol automatic convertibles are for sale at UK dealers, from £14,995 to £36,995, as of 9 November 2026.

The 3 closest to this car in mileage:

  • 2003 Mercedes-Benz SL AMG, 5.4 petrol convertible, black. Mileage: 65,000 miles. Price: £14,995, £4,995 less than this car. Dealer: Paul Blaney Motors in Belfast. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2003-1bccaf375132
  • 2003 Mercedes-Benz SL AMG, 5.4 petrol convertible, silver. Mileage: 61,951 miles. Price: £17,995, £1,995 less than this car. Dealer: TSN Motors Blackburn in Blackburn. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2003-d084d23ab2c4
  • 2003 Mercedes-Benz SL AMG, 5.4 petrol convertible, silver. Mileage: 56,868 miles. Price: £21,995, £2,005 more than this car. Dealer: Ron Hodgson Specialist Cars in Southport. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2003-bf6835546595
  • The nearest: 2003 Mercedes-Benz SL AMG, 5.4 petrol convertible, silver, 20 miles from this car. Mileage: 44,088 miles. Price: £24,995, £5,005 more than this car. Dealer: Littlewick Green Motor Company in Maidenhead. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2003-fed17a478a04

Browse all Mercedes-Benz SL cars for sale · 2003 Mercedes-Benz SL price guide

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Photos

49 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.