1999 Mercedes-Benz SL 3.2 SL320

Overview

• Make: Mercedes-Benz
• Model: SL
• Version: 3.2 SL320 Auto RWD 2dr
• Year: 1999
• Mileage: 94,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors
• Engine: 3.2 litres
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Green

About this car

This 1999 Mercedes-Benz SL is advertised with 94,000 miles, approximately 20,000 above the typical mileage for its age. The AskCar estimate for this car is £12,606. It is priced at £12,990, which is £384 above that estimate. The AskCar estimate draws on 370 Mercedes-Benz SL adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 114 days ago. It is advertised by Seraph Cars in Kings Langley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £384 (3%) over the AskCar estimate of £12,606.

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 1999 Mercedes-Benz SL has been on sale for at least 114 days.

Price history

AskCar first saw this advert on 18 July 2026 at £12,990. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 20,000 miles higher than the median mileage of a 1999 Mercedes-Benz SL on AskCar.