1989 Mercedes-Benz 300 3.0 SL

Price: £27,999.

AskCar lists 42 used Mercedes-Benz 300 from 26 UK dealerships, as of 10 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: 300
  • Trim: SL
  • Version: 3.0 SL Auto RWD 2dr
  • Year: 1989
  • Mileage: 92,000 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors
  • Engine: 3.0 litres
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Red

About this car

The advertised mileage for this 1989 Mercedes-Benz 300 SL is 92,000 miles. Since we first spotted the advert 126 days ago, the asking price has dropped by £1,996. Our latest MOT record expired on 13 September 2022. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by C M W Car Sales in Wallington. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

C M W Car Sales is rated 3.8 out of 5 on Google.

Time on sale

This 1989 Mercedes-Benz 300 has been on sale for at least 126 days.

Price history

AskCar first saw this advert on 7 July 2026 at £29,995. Its asking price is now £27,999, £1,996 less. The latest price cut was seen on 25 September 2026.

Price changes recorded:

  • 7 July 2026: £29,995
  • 10 July 2026: £34,999
  • 25 September 2026: £27,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: the latest record we hold ran out on 13 September 2022; ask the dealer for the current MOT.

It has had 16 MOTs. The latest, on 14 September 2021, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 92,022 miles, which matches the advertised 92,000 miles.

Similar cars

4 other 1989 Mercedes-Benz 300 SL 3.0 petrol automatic convertibles are for sale at UK dealers, from £34,990 to £74,995, as of 10 November 2026.

The 3 closest to this car in mileage:

  • 1989 Mercedes-Benz 300 SL, 3.0 petrol convertible, red. Mileage: 120,000 miles. Price: £34,990, £6,991 more than this car. Dealer: Karmann Classics in Ripley. AskCar page: https://askcar.co.uk/car/mercedes-benz-300-1989-41b86590a289
  • 1989 Mercedes-Benz 300 SL, 3.0 petrol convertible. Mileage: 52,000 miles. Price: £55,995, £27,996 more than this car. Dealer: Bruce Greetham Classic Benz in Worcester. AskCar page: https://askcar.co.uk/car/mercedes-benz-300-1989-d4c09f7b6879
  • 1989 Mercedes-Benz 300 SL, 3.0 petrol convertible, red. Mileage: 30,457 miles. Price: £74,995, £46,996 more than this car. Dealer: The SL Shop in Stratford-upon-Avon. AskCar page: https://askcar.co.uk/car/mercedes-benz-300-1989-b6fc7a26e359

Browse all Mercedes-Benz 300 cars for sale · 1989 Mercedes-Benz 300 price guide

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Photos

19 photos of this car are on its AskCar page.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.