2004 Mercedes-Benz SL 3.7 SL350
Price: £6,490. Above the going rate: £680 (11%) over the AskCar estimate of £5,810, our expected asking price for this car from its model, age, mileage and specification, drawing on 370 priced Mercedes-Benz SL adverts on AskCar as of 9 November 2026.
AskCar lists 461 used Mercedes-Benz SL from 341 UK dealerships, as of 9 November 2026.
Overview
- Make: Mercedes-Benz
- Model: SL
- Version: 3.7 SL350 Auto RWD Euro 3 2dr (245 bhp)
- Year: 2004
- Mileage: 109,000 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
This 2004 Mercedes-Benz SL is advertised with 109,000 miles, approximately 37,000 above the typical mileage for its age. Priced at £6,490, it is advertised £680 above the AskCar estimate of £5,810. The AskCar estimate uses UK dealer asking prices, including 370 Mercedes-Benz SL adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 122 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Baker Brothers in Cobham. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 9 November 2026.
Baker Brothers is rated 4.3 out of 5 on Google.
Price
Above the going rate: £680 (11%) over the AskCar estimate of £5,810.
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 370 priced Mercedes-Benz SL adverts across different ages and specifications, as of 9 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 10 July 2026 at £6,490. 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 9 November 2026: valid until 17 July 2027.
It has had 24 MOTs. The latest, on 18 June 2026, passed.
Advisories at the latest test: rear inner tyre worn close to legal limit/worn on edge both.
Mileage at that test: 108,379 miles, which matches the advertised 109,000 miles.
Advertised mileage is about 37,000 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
9 photos of this car are on its AskCar page.
As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.