2003 Mercedes-Benz SL 5.4 SL55 AMG

Overview

• Make: Mercedes-Benz
• Model: SL
• Trim: AMG
• Version: 5.4 SL55 Kompressor AMG Auto RWD Euro 4 2dr (476 bhp)
• Year: 2003
• Mileage: 49,734 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 5.4 litres, 476 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Silver
• CO2: 324 g/km
• Emissions standard: Euro 4, ULEZ compliant

About this car

At 49,734 miles, this 2003 Mercedes-Benz SL AMG has covered about 15,300 fewer miles than other 2003 Mercedes-Benz SL cars. Its asking price of £19,989 is £485 above the AskCar estimate of £19,504. The AskCar estimate uses UK dealer asking prices, including 365 Mercedes-Benz SL adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 108 days ago, and its asking price has since fallen by £5,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Stirling Cars in Hoddesdon. 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

Fair price: £485 (2%) over the AskCar estimate of £19,504.

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 108 days.

Price history

AskCar first saw this advert on 21 July 2026 at £24,989. Its asking price is now £19,989, £5,000 less. The latest price cut was seen on 16 October 2026.

Price changes recorded:

• 22 July 2026: £24,989
• 12 August 2026: £23,989
• 9 September 2026: £22,989
• 12 September 2026: £21,989
• 16 October 2026: £19,989

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 30 May 2027.

It failed its MOT on 8 May 2026 (offside rear fog lamp not working) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 49,712 miles, which matches the advertised 49,734 miles.

Advertised mileage is about 15,300 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: 51,563 miles. Price: £18,995, £994 less than this car. Dealer: Allwood Automobiles in Waltham Cross. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2003-4542da9c8bf2
• 2003 Mercedes-Benz SL AMG, 5.4 petrol convertible, silver. Mileage: 46,300 miles. Price: £24,900, £4,911 more than this car. Dealer: Twinstar in Wembley. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2003-692f85dd2016
• 2003 Mercedes-Benz SL AMG, 5.4 petrol convertible, silver. Mileage: 44,088 miles. Price: £24,995, £5,006 more than this car. Dealer: Littlewick Green Motor Company in Maidenhead. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2003-fed17a478a04