Used Mercedes-Benz S Class for sale near Buckingham
There are 17 used Mercedes-Benz S Class for sale from UK dealers within 20 miles of Buckingham on AskCar, as of 14 November 2026. Typical asking price £26,000 (the median: half cost less, half cost more). The cheapest is £3,693. AskCar lists 637 used Mercedes-Benz S Class across the UK, from 445 dealerships.
The middle half of the 17 cars are priced between £19,000 and £55,000.
As of 14 November 2026, AskCar lists 600,711 cars and vans from 12,770 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Buckingham
9 of the 17 Mercedes-Benz S Class within 20 miles of Buckingham had their price reduced in the last 14 days to 14 November 2026. Each one's line in the list below says by how much.
Cars for sale now
Best value first: the cars priced furthest below their AskCar estimate come first, and those without one come after. The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 567 priced Mercedes-Benz S Class adverts on AskCar as of 14 November 2026.
Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer, town and distance; AskCar page.
Cheaper cars like each one, with its price history, are on its AskCar page.
- 2018 Mercedes-Benz S Class 2.9 S350Ld AMG Line Premium Plus, 282 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 57,798 miles. Price: £27,995, reduced by £1,000 from £28,995 since AskCar first saw it on 5 October 2026, 40 days ago. Good value: £4,368 (13%) under the AskCar estimate of £32,363. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 4 May 2027. Dealer: Crystal Motor Company in Northampton, 16 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2018-4f741477954a
- 2025 Mercedes-Benz S Class 3.0 S500Lh MHEV AMG Line Premium Plus Executive, 443 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 8,790 miles. Price: £86,995, unchanged since AskCar first saw it on 2 September 2026, 73 days ago. Good value: £12,291 (12%) under the AskCar estimate of £99,286. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 23 March 2027. Dealer: Hampton Car Sales in Milton Malsor, 14 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2025-a50e990644f6
- 2023 Mercedes-Benz S Class 2.9 S350d AMG Line, 281 bhp, automatic, diesel, saloon, 4 doors, white. Mileage: 29,000 miles. Price: £55,750, reduced by £5,000 from £60,750 since AskCar first saw it on 28 May 2026, 170 days ago. Good value: £5,884 (9%) under the AskCar estimate of £61,634. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 16 June 2027. Dealer: Torque Point in Leighton Buzzard, 15 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2023-3d83c815e4f8
- 2008 Mercedes-Benz S Class 3.0, 228 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 73,222 miles. Price: £6,799, reduced by £1,200 from £7,999 since AskCar first saw it on 2 July 2026, 135 days ago. Good value: £677 (9%) under the AskCar estimate of £7,476. Euro 4 emissions standard. MOT: the latest record we hold ran out on 12 September 2026; ask the dealer for the current MOT. Dealer: MK Best Car Deals in Milton Keynes, 12 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2008-08333ad1243d
- 2015 Mercedes-Benz S Class 4.7 S500 V8 AMG Line Premium, 449 bhp, automatic, petrol, coupe, 2 doors, 4 seats, silver. Mileage: 52,000 miles. Price: £25,990, reduced by £2,000 from £27,990 since AskCar first saw it on 28 May 2026, 170 days ago. Fair price: £1,842 (6%) under the AskCar estimate of £27,832. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 13 March 2027. Dealer: Aylesbury Motors in Aylesbury, 14 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2015-9b672a3e03ef
- 2017 Mercedes-Benz S Class 4.7 S500 V8 AMG Line Premium, 449 bhp, automatic, petrol, coupe, 2 doors, 4 seats, black. Mileage: 86,283 miles. Price: £24,900, reduced by £3,750 from £28,650 since AskCar first saw it on 15 August 2026, 91 days ago. Fair price: £874 (3%) under the AskCar estimate of £25,774. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 2 August 2027. Dealer: Sytner Select Northampton in Northampton, 19 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2017-0f7519feb81d
- 2018 Mercedes-Benz S Class 2.9 AMG Line, automatic, diesel, saloon, 4 doors, grey. Mileage: 88,625 miles. Price: £18,990, reduced by £2,768 from £21,758 since AskCar first saw it on 13 August 2026, 93 days ago. Fair price: £615 (3%) under the AskCar estimate of £19,605. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 11 December 2026. Dealer: Evans Halshaw MG Banbury in Banbury, 16 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2018-54e0f933d273
- 2021 Mercedes-Benz S Class 2.9 S350d AMG Line Premium, 281 bhp, automatic, diesel, saloon, 4 doors, silver. Mileage: 71,581 miles. Price: £40,900, reduced by £8,950 from £49,850 since AskCar first saw it on 28 May 2026, 170 days ago. Fair price: £265 (under 1%) under the AskCar estimate of £41,165. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 17 May 2027. Dealer: Sytner Select Northampton in Northampton, 19 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2021-a11f1f8804b1
- 2012 Mercedes-Benz S Class 3.0 S350L V6 BlueTEC, 254 bhp, automatic, diesel, saloon, 4 doors, grey. Mileage: 108,288 miles. Price: £6,990, reduced by £500 from £7,490 since AskCar first saw it on 14 July 2026, 123 days ago. Fair price: £32 (under 1%) over the AskCar estimate of £6,958. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 14 April 2027. Dealer: Ideal Carz in Milton Keynes, 8 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2012-44131925b5fd
- 2022 Mercedes-Benz S Class 2.9 AMG Line, 325 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 33,770 miles. Price: £65,000, reduced by £10,000 from £75,000 since AskCar first saw it on 2 July 2026, 135 days ago. Fair price: £461 (under 1%) over the AskCar estimate of £64,539. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 21 July 2026; ask the dealer for the current MOT. Dealer: Sytner Group Mercedes-Benz of Milton Keynes in Milton Keynes, 13 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2022-bbbf7fbd2f02
- 2022 Mercedes-Benz S Class 3.0 S580eL AMG Line Premium Plus Executive, 503 bhp, automatic, plug-in hybrid (petrol), saloon, 4 doors, black. Mileage: 90,000 miles. Price: £48,000, unchanged since AskCar first saw it on 8 October 2026, 37 days ago. Fair price: £1,980 (4%) over the AskCar estimate of £46,020. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 20 March 2027. Dealer: Global Autos MK in Milton Keynes, 11 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2022-75e32d4a8cb8
- 2023 Mercedes-Benz S Class 2.9 S350d AMG Line, 281 bhp, automatic, diesel, saloon, 4 doors, black. Mileage: 23,352 miles. Price: £71,000, reduced by £3,000 from £74,000 since AskCar first saw it on 21 October 2026, 24 days ago. Fair price: £3,560 (5%) over the AskCar estimate of £67,440. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 March 2027. Dealer: Sytner Group Mercedes-Benz of Milton Keynes in Milton Keynes, 13 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2023-f589719a708c
- 2014 Mercedes-Benz S Class 5.5, 576 bhp, automatic, petrol, coupe, 2 doors, 4 seats, silver. Mileage: 93,546 miles. Price: £24,750, reduced by £2,650 from £27,400 since AskCar first saw it on 2 September 2026, 73 days ago. Above the going rate: £1,845 (8%) over the AskCar estimate of £22,905. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 2 June 2027. Dealer: Sytner Select Northampton in Northampton, 19 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2014-cb2dd8aa2467
- 2021 Mercedes-Benz S Class 3.0 S500Lh MHEV AMG Line Premium Plus Executive, 429 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 86,362 miles. Price: £54,995, unchanged since AskCar first saw it on 3 August 2026, 103 days ago. Above the going rate: £4,400 (8%) over the AskCar estimate of £50,595. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 2 September 2026; ask the dealer for the current MOT. Dealer: NSA Motor Vehicles in Milton Keynes, 8 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2021-b5adb55b09b7
- 2010 Mercedes-Benz S Class 5.5 S500L V8, 383 bhp, automatic, petrol, saloon, 4 doors, black. Mileage: 148,500 miles. Price: £12,500, raised by £2,550 from £9,950 since AskCar first saw it on 3 July 2026, 134 days ago. Above the going rate: £5,044 (67%) over the AskCar estimate of £7,456. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 31 May 2027. Dealer: L T Car Sales in Leighton Buzzard, 18 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2010-0e3c75f83329
- 2008 Mercedes-Benz S Class 3.0 S320 CDI V6, 228 bhp, automatic, diesel, saloon, 4 doors, silver. Mileage: 86,000 miles. Price: £3,693, reduced by £2,401 from £6,094 since AskCar first saw it on 27 June 2026, 140 days ago. Far below the going rate: £2,375 (39%) under the AskCar estimate of £6,068. Worth asking the dealer why. Euro 4 emissions standard. MOT: the latest record we hold ran out on 3 August 2026; ask the dealer for the current MOT. Dealer: Aylesbury Trade Centre in Aston Clinton, 17 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2008-080bd9fe3a9a
- 2018 Mercedes-Benz S Class 2.9 S350Ld AMG Line Executive Premium, 282 bhp, automatic, diesel, saloon, 4 doors, white. Mileage: 64,010 miles. Price: £20,500, unchanged since AskCar first saw it on 14 November 2026. Far below the going rate: £9,159 (30%) under the AskCar estimate of £29,659. Worth asking the dealer why. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 10 November 2027. Dealer: Proline Car Care in Northampton, 16 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-s-class-2018-a5ee206cf68c
Mercedes-Benz S Class across the UK by price
- Under £8,000 (56 cars)
- Under £10,000 (75 cars)
- Under £15,000 (128 cars)
- Under £20,000 (231 cars)
- Under £30,000 (373 cars)
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