1991 Mercedes-Benz SL 3.0 SL300
Price: £19,995. Far below the going rate: £19,843 (49%) under the AskCar estimate of £39,838, 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. Worth asking the dealer why.
AskCar lists 461 used Mercedes-Benz SL from 341 UK dealerships, as of 9 November 2026.
Overview
- Make: Mercedes-Benz
- Model: SL
- Version: 3.0 300 24 Auto RWD 2dr (231 bhp)
- Year: 1991
- Mileage: 12,862 miles
- Fuel: Petrol
- Body: Convertible, 2 doors
- Engine: 3.0 litres, 231 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: White
About this car
The advertised mileage for this 1991 Mercedes-Benz SL is 12,862 miles. This car is priced at £19,995, £19,843 below the AskCar estimate of £39,838. Such a large price gap is worth checking with the dealer. 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 60 days ago. The government's MOT record matches its advertised mileage. You can find this car at Switch Car Group in Liverpool. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 9 November 2026.
Price
Far below the going rate: £19,843 (49%) under the AskCar estimate of £39,838. Worth asking the dealer why.
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 1991 Mercedes-Benz SL has been on sale for at least 60 days.
Price history
AskCar first saw this advert on 10 September 2026 at £19,995. 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 25 May 2027.
It has had 7 MOTs. The latest, on 26 May 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 12,874 miles, which matches the advertised 12,862 miles.
Browse all Mercedes-Benz SL cars for sale · 1991 Mercedes-Benz SL price guide
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Photos
44 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.