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: 51,563 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

With 51,563 miles on the clock, this 2003 Mercedes-Benz SL AMG has done roughly 13,400 fewer miles than a typical 2003 Mercedes-Benz SL. The AskCar estimate for this car is £19,269. It is priced at £18,995, which is £274 below that estimate. The AskCar estimate uses 372 UK dealer adverts for the Mercedes-Benz SL, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 74 days. Our latest MOT record expired on 9 May 2024. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Allwood Automobiles, based in Waltham Cross. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £274 (1%) under the AskCar estimate of £19,269.

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 372 priced Mercedes-Benz SL adverts across different ages and specifications, as of 5 November 2026.

Time on sale

This 2003 Mercedes-Benz SL has been on sale for at least 74 days.

Price history

AskCar first saw this advert on 23 August 2026 at £18,995. 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 5 November 2026: the latest record we hold ran out on 9 May 2024; ask the dealer for the current MOT.

It has had 23 MOTs. The latest, on 10 May 2023, passed.

Advisories at the latest test: nearside front tyre slightly damaged/cracking or perishing perished.

Mileage at that test: 47,478 miles, which matches the advertised 51,563 miles.

Advertised mileage is about 13,400 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 5 November 2026.

The 3 closest to this car in mileage:

• 2003 Mercedes-Benz SL AMG, 5.4 petrol convertible, silver. Mileage: 49,734 miles. Price: £19,989, £994 more than this car. Dealer: Stirling Cars in Hoddesdon. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2003-0bcbb1034666
• 2003 Mercedes-Benz SL AMG, 5.4 petrol convertible, silver. Mileage: 46,300 miles. Price: £24,900, £5,905 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: 56,868 miles. Price: £21,995, £3,000 more than this car. Dealer: Ron Hodgson Specialist Cars in Southport. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2003-bf6835546595