1999 Mercedes-Benz S Class 4.3 S430
Price: £2,490. Far below the going rate: £9,965 (80%) under the AskCar estimate of £12,455, our expected asking price for this car from its model, age, mileage and specification, drawing on 570 priced Mercedes-Benz S Class adverts on AskCar as of 8 November 2026. Worth asking the dealer why.
AskCar lists 640 used Mercedes-Benz S Class from 449 UK dealerships, as of 8 November 2026.
Overview
- Make: Mercedes-Benz
- Model: S Class
- Version: 4.3 S430 Auto RWD Euro 2 4dr (275 bhp)
- Year: 1999
- Mileage: 86,485 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 4.3 litres, 275 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Green
- CO2: 294 g/km
- Emissions standard: Euro 2
About this car
The advertised mileage for this 1999 Mercedes-Benz S Class is 86,485 miles. This car is priced at £2,490, £9,965 below the AskCar estimate of £12,455. Such a large price gap is worth checking with the dealer. The AskCar estimate uses UK dealer asking prices, including 570 Mercedes-Benz S Class adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 50 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Octane Car Sales in Peterborough. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Far below the going rate: £9,965 (80%) under the AskCar estimate of £12,455. 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 570 priced Mercedes-Benz S Class adverts across different ages and specifications, as of 8 November 2026.
Time on sale
This 1999 Mercedes-Benz S Class has been on sale for at least 50 days.
Price history
AskCar first saw this advert on 19 September 2026 at £2,490. 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 8 November 2026: valid until 23 December 2026.
It has had 26 MOTs. The latest, on 24 December 2025, passed.
Advisories at the latest test: nearside front brake pipe corroded, covered in grease or other material; offside front brake pipe corroded, covered in grease or other material; rear brake pad(s) wearing thin; and 1 more.
Mileage at that test: 86,483 miles, which matches the advertised 86,485 miles.
Browse all Mercedes-Benz S Class cars for sale · 1999 Mercedes-Benz S Class price guide
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Photos
16 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.