1987 Mercedes-Benz SL 4.2

Price: £37,950. Fair price: £3,234 (7%) under the AskCar estimate of £41,184, our expected asking price for this car from its model, age, mileage and specification, drawing on 374 priced Mercedes-Benz SL adverts on AskCar as of 8 November 2026.

AskCar lists 468 used Mercedes-Benz SL from 344 UK dealerships, as of 8 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: SL
  • Version: 4.2 Auto RWD 2dr (218 bhp)
  • Year: 1987
  • Mileage: 73,000 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 4 seats
  • Engine: 4.2 litres, 218 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: White

About this car

This 1987 Mercedes-Benz SL is advertised with 73,000 miles on the clock. Its asking price of £37,950 is £3,234 below the AskCar estimate of £41,184. The AskCar estimate uses 374 UK dealer adverts for the Mercedes-Benz SL, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 113 days ago, the asking price has dropped by £2,000. Its advertised mileage matches the government's MOT record. You can find this car at Slade Garage in Beaconsfield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £3,234 (7%) under the AskCar estimate of £41,184.

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 374 priced Mercedes-Benz SL adverts across different ages and specifications, as of 8 November 2026.

Time on sale

This 1987 Mercedes-Benz SL has been on sale for at least 113 days.

Price history

AskCar first saw this advert on 18 July 2026 at £39,950. Its asking price is now £37,950, £2,000 less. The latest price cut was seen on 16 October 2026.

Price changes recorded:

  • 18 July 2026: £39,950
  • 16 October 2026: £37,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 14 December 2026.

It has had 22 MOTs. The latest, on 1 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 72,931 miles, which matches the advertised 73,000 miles.

Browse all Mercedes-Benz SL cars for sale · 1987 Mercedes-Benz SL price guide

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Photos

27 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,762 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.