2003 Mercedes-Benz S Class 3.7 S350

Price: £6,499. Good value: £1,888 (22%) under the AskCar estimate of £8,387, our expected asking price for this car from its model, age, mileage and specification, drawing on 565 priced Mercedes-Benz S Class adverts on AskCar as of 6 November 2026.

AskCar lists 633 used Mercedes-Benz S Class from 448 UK dealerships, as of 6 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: S Class
  • Version: 3.7 S350 Auto RWD Euro 3 4dr (245 bhp)
  • Year: 2003
  • Mileage: 42,000 miles
  • Fuel: Petrol
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 3.7 litres, 245 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Silver
  • CO2: 266 g/km
  • Emissions standard: Euro 3

About this car

This 2003 Mercedes-Benz S Class is advertised with 42,000 miles on the clock. Its asking price of £6,499 is £1,888 below the AskCar estimate of £8,387. The AskCar estimate uses 565 UK dealer adverts for the Mercedes-Benz S Class, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 105 days ago, the asking price has dropped by £1,500. You can find this car at Shocars in Oldbury. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Good value: £1,888 (22%) under the AskCar estimate of £8,387.

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 565 priced Mercedes-Benz S Class adverts across different ages and specifications, as of 6 November 2026.

Time on sale

This 2003 Mercedes-Benz S Class has been on sale for at least 105 days.

Price history

AskCar first saw this advert on 24 July 2026 at £7,999. Its asking price is now £6,499, £1,500 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

  • 24 July 2026: £7,999
  • 13 August 2026: £7,499
  • 13 September 2026: £6,999
  • 12 October 2026: £6,799
  • 23 October 2026: £6,499

Browse all Mercedes-Benz S Class cars for sale · 2003 Mercedes-Benz S Class price guide

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Photos

39 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.