1989 Mercedes-Benz SL 3.0 SL
Price: £29,990. Above the going rate: £4,468 (17%) over the AskCar estimate of £25,522, 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
- Trim: SL
- Version: 3.0 SL Auto RWD 2dr (188 bhp)
- Year: 1989
- Mileage: 109,000 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 4 seats
- Engine: 3.0 litres, 188 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Silver
About this car
This 1989 Mercedes-Benz SL is advertised with 109,000 miles on the clock. The dealer is asking £29,990, which is £4,468 above the AskCar estimate of £25,522. To work out the AskCar estimate, we analyse UK dealer adverts for 370 Mercedes-Benz SL cars across different ages and specifications. This car was first seen in our listings data 90 days ago. Ask the dealer why the advert shows fewer miles than the 116,183 recorded at the latest MOT. Its recorded MOT is valid until 21 January 2027. You can find this car at Karmann Classics in Guildford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 9 November 2026.
Price
Above the going rate: £4,468 (17%) over the AskCar estimate of £25,522.
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 1989 Mercedes-Benz SL has been on sale for at least 90 days.
Price history
AskCar first saw this advert on 11 August 2026 at £29,990. 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 21 January 2027.
It failed its MOT on 15 January 2026 (rear brake hose excessively deteriorated both; front drive shaft flexible coupling excessively deteriorated; offside rear anti-roll bar linkage ball joint likely to become detached the lower section is detached) and passed 7 days later, on 22 January 2026.
Advisories at the latest test: front tyre slightly damaged/cracking or perishing both are perished; rear tyre slightly damaged/cracking or perishing both are perished; offside front steering box has seepage; and 5 more.
Mileage at that test: 116,183 miles. The advert says 109,000 miles, fewer than the MOT record, so ask the dealer which is right.
Similar cars
1 other 1989 Mercedes-Benz SL SL 3.0 petrol automatic convertible is for sale at UK dealers, as of 9 November 2026.
The closest to this car in mileage:
- 1989 Mercedes-Benz SL SL, 3.0 petrol convertible, brown. Mileage: 124,010 miles. Price: £22,495, £7,495 less than this car. Dealer: V12 Sports & Classics Ltd - Stoke-On-Trent in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/mercedes-benz-sl-1989-a70576a86880
Browse all Mercedes-Benz SL cars for sale · 1989 Mercedes-Benz SL price guide
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Photos
8 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.