2004 Mercedes-Benz SL 3.7 SL350

Price: £5,995. Fair price: £438 (6%) under the AskCar estimate of £6,433, our expected asking price for this car from its model, age, mileage and specification, drawing on 372 priced Mercedes-Benz SL adverts on AskCar as of 5 November 2026.

AskCar lists 471 used Mercedes-Benz SL from 347 UK dealerships, as of 5 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: SL
  • Version: 3.7 Auto RWD 2dr (245 bhp)
  • Year: 2004
  • Mileage: 86,349 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors
  • Engine: 3.7 litres, 245 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 281 g/km

About this car

At 86,349 miles, this 2004 Mercedes-Benz SL has covered about 13,600 more miles than other 2004 Mercedes-Benz SL cars. The dealer is asking £5,995, which is £438 below the AskCar estimate of £6,433. To work out the AskCar estimate, we analyse UK dealer adverts for 372 Mercedes-Benz SL cars across different ages and specifications. We first saw this car advertised 122 days ago. Its asking price has since fallen by £1,000. The latest recorded MOT expiry date is 15 May 2026, which has passed. Confirm its status with the dealer. Its advertised mileage matches the government's MOT record. The seller is Irvine Vehicle Sales, based in Bridgwater. 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: £438 (6%) under the AskCar estimate of £6,433.

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 2004 Mercedes-Benz SL has been on sale for at least 122 days.

Price history

AskCar first saw this advert on 6 July 2026 at £6,995. Its asking price is now £5,995, £1,000 less. The latest price cut was seen on 17 September 2026.

Price changes recorded:

  • 6 July 2026: £6,995
  • 17 September 2026: £5,995

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 15 May 2026; ask the dealer for the current MOT.

It has had 19 MOTs. The latest, on 16 May 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 85,661 miles, which matches the advertised 86,349 miles.

Advertised mileage is about 13,600 miles higher than the median mileage of a 2004 Mercedes-Benz SL on AskCar.

Browse all Mercedes-Benz SL cars for sale · 2004 Mercedes-Benz SL price guide

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Photos

15 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.