2004 Mercedes-Benz SL 3.7 SL350
Version: 3.7 SL350 Auto RWD Euro 3 2dr (245 bhp)
Price: £3,995. Good value: £753 (15%) under the AskCar estimate of £4,748, our expected asking price for this car from its model, age, mileage and specification, drawing on 368 priced Mercedes-Benz SL adverts on AskCar as of 1 November 2026.
AskCar lists 471 used Mercedes-Benz SL from 348 UK dealerships, as of 1 November 2026.
Overview
- Make
- Mercedes-Benz
- Model
- SL
- Version
- 3.7 SL350 Auto RWD Euro 3 2dr (245 bhp)
- Mileage
- 134,000 miles
- Year
- 2004
- Fuel type
- Petrol
- Body type
- Convertible
- Engine
- 3.7 L
- Gearbox
- Automatic
- Power
- 245 bhp
- Seats
- 2
- CO2
- 281 g/km
- Colour
- Silver
- Doors
- 2
- Driven wheels
- Rear Wheel Drive
- Engine badge
- SL350
- Emissions standard
- Euro 3
About this car
This 2004 Mercedes-Benz SL is advertised with 134,000 miles on the clock. Priced at £3,995, it is advertised £753 below the AskCar estimate of £4,748. The AskCar estimate uses UK dealer asking prices, including 368 Mercedes-Benz SL adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records today. Ask the dealer why the advert shows fewer miles than the 134,843 recorded at the latest MOT. Its MOT is recorded as valid until 5 October 2027. It is for sale at Motor Bros in Sheffield.
Stock data as of 1 November 2026.
Price history
AskCar first saw this advert on 1 November 2026.
| Date observed | Asking price |
|---|---|
| 1 November 2026 | £3,995 |
Price and mileage comparison
Good value: £753 (15%) under the AskCar estimate of £4,748.
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 368 priced Mercedes-Benz SL adverts across different ages and specifications, as of 1 November 2026.
Advertised mileage is about 60,400 miles higher than the median mileage of a 2004 Mercedes-Benz SL on AskCar.
Mileage concern: the advertised mileage is below the last MOT reading; ask the dealer to explain.
MOT
MOT: valid until 5 October 2027. 134,843 miles at the last test.
Other matching cars
13 other 2004 Mercedes-Benz SL automatic petrol cars are for sale at UK dealers from £4,999 to £29,999, as of 1 November 2026.
The 5 cheapest:
- 2004 Mercedes-Benz SL. Price: £4,999. Mileage: 96,000 miles. Dealer: ACE Motor Vehicles in Durham. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2004-2f15d3422251
- 2004 Mercedes-Benz SL. Price: £5,490. Mileage: 70,000 miles. Dealer: Lincoln Marks Motor Co in Adlington. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2004-9de9a96dce86
- 2004 Mercedes-Benz SL. Price: £5,995. Mileage: 86,349 miles. Dealer: Irvine Vehicle Sales in Bridgwater. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2004-35f95a7f2e65
- 2004 Mercedes-Benz SL. Price: £6,190. Mileage: 84,500 miles. Dealer: Mintco Motors in Camberley. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2004-ba98380863fc
- 2004 Mercedes-Benz SL. Price: £6,490. Mileage: 109,000 miles. Dealer: Baker Brothers in Cobham. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-2004-756c95a53768
The 13 matching cars have covered 17,549 to 148,000 miles, compared with 134,000 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Mercedes-Benz SL cars for sale · 2004 Mercedes-Benz SL price guide
Photos
50 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.