2003 Mercedes-Benz SL 3.7 SL350

Overview

• Make: Mercedes-Benz
• Model: SL
• Version: 3.7 SL350 Auto RWD Euro 3 2dr (245 bhp)
• Year: 2003
• Mileage: 69,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 3.7 litres, 245 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Silver
• CO2: 281 g/km
• Emissions standard: Euro 3

About this car

The advertised mileage for this 2003 Mercedes-Benz SL is 69,000 miles. Its asking price of £5,545 is £1,711 below the AskCar estimate of £7,256. The AskCar estimate uses 372 UK dealer adverts for the Mercedes-Benz SL, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 134 days ago. Its asking price has since fallen by £250. The latest MOT recorded 69,789 miles, above the advertised mileage. Check this with the dealer. The latest recorded MOT expiry date is 7 October 2026, which has passed. Confirm its status with the dealer. It is advertised by London Broadway Car Sales in St. Albans. 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

Good value: £1,711 (23%) under the AskCar estimate of £7,256.

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 134 days.

Price history

AskCar first saw this advert on 24 June 2026 at £5,795. Its asking price is now £5,545, £250 less. The latest price cut was seen on 9 October 2026.

Price changes recorded:

• 24 June 2026: £5,795
• 8 July 2026: £5,755
• 18 July 2026: £5,715
• 5 August 2026: £5,895
• 17 August 2026: £5,855
• 2 September 2026: £5,695
• 9 October 2026: £5,545

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 7 October 2026; ask the dealer for the current MOT.

It has had 23 MOTs. The latest, on 8 October 2025, passed.

Advisories at the latest test: offside front track rod end ball joint has slight play; nearside front tyre slightly damaged/cracking or perishing; offside front tyre slightly damaged/cracking or perishing.

Mileage at that test: 69,789 miles. The advert says 69,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 4,000 miles higher than the median mileage of a 2003 Mercedes-Benz SL on AskCar.