2003 Mercedes-Benz SL 5.4 SL55 AMG

Overview

• Make: Mercedes-Benz
• Model: SL
• Trim: AMG
• Version: 5.4 AMG Auto RWD Euro 4 2dr (476 bhp)
• Year: 2003
• Mileage: 46,300 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 5.4 litres, 476 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Silver
• Emissions standard: Euro 4, ULEZ compliant

About this car

This 2003 Mercedes-Benz SL AMG has covered 46,300 miles, around 18,700 fewer miles than is typical for its age. The dealer is asking £24,900, which is £3,195 above the AskCar estimate of £21,705. To work out the AskCar estimate, we analyse UK dealer adverts for 365 Mercedes-Benz SL cars across different ages and specifications. It first appeared in our advert records 100 days ago. The government's MOT record matches its advertised mileage. You can find this car at Twinstar in Wembley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £3,195 (14%) over the AskCar estimate of £21,705.

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 365 priced Mercedes-Benz SL adverts across different ages and specifications, as of 6 November 2026.

Time on sale

This 2003 Mercedes-Benz SL has been on sale for at least 100 days.

Price history

AskCar first saw this advert on 29 July 2026 at £24,900. 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 6 November 2026: valid until 10 December 2026.

It has had 23 MOTs. The latest, on 15 November 2025, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 45,955 miles, which matches the advertised 46,300 miles.

Advertised mileage is about 18,700 miles lower 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 6 November 2026.

The 3 closest to this car in mileage:

• 2003 Mercedes-Benz SL AMG, 5.4 petrol convertible, silver. Mileage: 44,088 miles. Price: £24,995, £95 more than this car. Dealer: Littlewick Green Motor Company in Maidenhead. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2003-fed17a478a04
• 2003 Mercedes-Benz SL AMG, 5.4 petrol convertible. Mileage: 44,000 miles. Price: £36,995, £12,095 more than this car. Dealer: Bruce Greetham Classic Benz in Worcester. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2003-d2e376c08562
• 2003 Mercedes-Benz SL AMG, 5.4 petrol convertible, silver. Mileage: 49,734 miles. Price: £19,989, £4,911 less than this car. Dealer: Stirling Cars in Hoddesdon. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2003-0bcbb1034666

• The nearest: 2003 Mercedes-Benz SL AMG, 5.4 petrol convertible, silver, 14 miles from this car. Mileage: 51,563 miles. Price: £18,995, £5,905 less than this car. Dealer: Allwood Automobiles in Waltham Cross. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2003-4542da9c8bf2