Used Mercedes-Benz GLB for sale near Buckingham
There are 31 used Mercedes-Benz GLB for sale from UK dealers within 20 miles of Buckingham on AskCar, as of 14 November 2026. Typical asking price £25,500 (the median: half cost less, half cost more). The cheapest is £20,500. AskCar lists 863 used Mercedes-Benz GLB across the UK, from 390 dealerships.
The middle half of the 31 cars are priced between £23,000 and £28,500.
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
26 of the 31 Mercedes-Benz GLB 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 855 priced Mercedes-Benz GLB 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.
- 2020 Mercedes-Benz GLB 2.0, automatic, diesel, SUV, 5 doors, white. Mileage: 36,855 miles. Price: £21,559, reduced by £2,057 from £23,616 since AskCar first saw it on 24 July 2026, 113 days ago. Fair price: £745 (3%) under the AskCar estimate of £22,304. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 21 August 2027. Dealer: Wheatley Car Centre in Wheatley, 19 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-e5b0ec0d145c
- 2023 Mercedes-Benz GLB 1.3 GLB200 AMG Line Premium, 161 bhp, automatic, petrol, SUV, 5 doors, 7 seats, grey. Mileage: 58,685 miles. Price: £21,000, reduced by £1,999 from £22,999 since AskCar first saw it on 16 September 2026, 59 days ago. Fair price: £686 (3%) under the AskCar estimate of £21,686. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 1 April 2027. Dealer: Kallenhard in Leighton Buzzard, 16 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-44cd109a1294
- 2023 Mercedes-Benz GLB 1.3 AMG Line Executive, 161 bhp, automatic, petrol, SUV, 5 doors, 7 seats, white. Mileage: 35,021 miles. Price: £23,084, reduced by £300 from £23,384 since AskCar first saw it on 9 November 2026, 5 days ago. Fair price: £636 (2%) under the AskCar estimate of £23,720. Euro 6 emissions standard. ULEZ compliant. Dealer: Vertu Mercedes Aylesbury in Aylesbury, 14 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-d23cf600ad4e
- 2021 Mercedes-Benz GLB 2.0 GLB200d AMG Line Premium, 148 bhp, automatic, diesel, SUV, 5 doors, 7 seats, black. Mileage: 41,035 miles. Price: £22,950, unchanged since AskCar first saw it on 13 October 2026, 32 days ago. Fair price: £632 (2%) under the AskCar estimate of £23,582. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 26 January 2027. Dealer: NSA Motor Vehicles in Milton Keynes, 8 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-11cde202d124
- 2025 Mercedes-Benz GLB 1.3 GLB200h MHEV Sport Executive, 161 bhp, automatic, petrol, SUV, 5 doors, 7 seats, black. Mileage: 15,216 miles. Price: £25,500, reduced by £2,000 from £27,500 since AskCar first saw it on 11 September 2026, 64 days ago. Fair price: £603 (2%) under the AskCar estimate of £26,103. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Select Northampton in Northampton, 19 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2025-e6836e9890f1
- 2025 Mercedes-Benz GLB 1.3 GLB200h MHEV Sport Executive, 161 bhp, automatic, petrol, SUV, 5 doors, 7 seats, silver. Mileage: 18,948 miles. Price: £25,150, reduced by £1,950 from £27,100 since AskCar first saw it on 11 September 2026, 64 days ago. Fair price: £587 (2%) under the AskCar estimate of £25,737. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Select Northampton in Northampton, 19 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2025-5a5f317b796b
- 2025 Mercedes-Benz GLB 1.3 GLB200h MHEV Sport Executive, 161 bhp, automatic, petrol, SUV, 5 doors, 7 seats, black. Mileage: 15,592 miles. Price: £25,500, reduced by £2,000 from £27,500 since AskCar first saw it on 11 September 2026, 64 days ago. Fair price: £566 (2%) under the AskCar estimate of £26,066. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Select Northampton in Northampton, 19 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2025-36854ff492e8
- 2025 Mercedes-Benz GLB 1.3 GLB200h MHEV Sport Executive, 161 bhp, automatic, petrol, SUV, 5 doors, 7 seats, black. Mileage: 18,064 miles. Price: £25,500, reduced by £1,700 from £27,200 since AskCar first saw it on 11 September 2026, 64 days ago. Fair price: £323 (1%) under the AskCar estimate of £25,823. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Select Northampton in Northampton, 19 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2025-37efbc2a915b
- 2025 Mercedes-Benz GLB 1.3 GLB200h MHEV Sport Executive, 161 bhp, automatic, petrol, SUV, 5 doors, 7 seats, blue. Mileage: 21,091 miles. Price: £25,250, reduced by £1,550 from £26,800 since AskCar first saw it on 11 September 2026, 64 days ago. Fair price: £279 (1%) under the AskCar estimate of £25,529. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Select Northampton in Northampton, 19 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2025-6498fdf39fad
- 2024 Mercedes-Benz GLB 1.3 GLB200h MHEV AMG Line Executive, 161 bhp, automatic, petrol, SUV, 5 doors, 7 seats, grey. Mileage: 8,700 miles. Price: £27,850, reduced by £2,900 from £30,750 since AskCar first saw it on 19 September 2026, 56 days ago. Fair price: £287 (1%) under the AskCar estimate of £28,137. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Group 1 Automotive Mercedes-Benz Of Oxford in Oxford, 18 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2024-45d6c2c79a86
- 2025 Mercedes-Benz GLB 1.3 GLB200h MHEV Sport Executive, 161 bhp, automatic, petrol, SUV, 5 doors, 7 seats, silver. Mileage: 18,899 miles. Price: £25,500, reduced by £1,600 from £27,100 since AskCar first saw it on 11 September 2026, 64 days ago. Fair price: £241 (under 1%) under the AskCar estimate of £25,741. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Select Northampton in Northampton, 19 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2025-efa8a5638053
- 2026 Mercedes-Benz GLB 1.3 GLB200h MHEV Sport Executive, 161 bhp, automatic, petrol, SUV, 5 doors, 7 seats, silver. Mileage: 3,556 miles. Price: £28,690, reduced by £1,435 from £30,125 since AskCar first saw it on 14 October 2026, 31 days ago. Fair price: £203 (under 1%) under the AskCar estimate of £28,893. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Vertu Mercedes Aylesbury in Aylesbury, 14 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2026-6b6666f85691
- 2025 Mercedes-Benz GLB 1.3 GLB200h MHEV AMG Line Executive, 161 bhp, automatic, petrol, SUV, 5 doors, 7 seats, blue. Mileage: 19,448 miles. Price: £27,490, reduced by £3,056 from £30,546 since AskCar first saw it on 29 July 2026, 108 days ago. Fair price: £191 (under 1%) under the AskCar estimate of £27,681. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Vertu Mercedes Aylesbury in Aylesbury, 14 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2025-9d0650adbaf9
- 2023 Mercedes-Benz GLB 1.3 AMG Line Executive, 161 bhp, automatic, petrol, SUV, 5 doors, 7 seats, blue. Mileage: 49,347 miles. Price: £22,000, reduced by £1,500 from £23,500 since AskCar first saw it on 3 October 2026, 42 days ago. Fair price: £85 (under 1%) under the AskCar estimate of £22,085. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 24 February 2027. Dealer: Sytner Group Mercedes-Benz of Northampton in Northampton, 18 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-c77fe0fc201e
- 2025 Mercedes-Benz GLB 1.3 GLB200h MHEV AMG Line Executive, 161 bhp, automatic, petrol, SUV, 5 doors, 7 seats, white. Mileage: 4,216 miles. Price: £30,000, unchanged since AskCar first saw it on 31 October 2026, 14 days ago. Fair price: £68 (under 1%) under the AskCar estimate of £30,068. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Group Mercedes-Benz of Northampton in Northampton, 18 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2025-cb1a6ab35c78
- 2020 Mercedes-Benz GLB 2.0 AMG Line Premium, automatic, diesel, SUV, 5 doors, grey. Mileage: 60,094 miles. Price: £20,500, unchanged since AskCar first saw it on 13 November 2026, 1 day ago. Fair price: £33 (under 1%) under the AskCar estimate of £20,533. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 17 October 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-glb-2020-e392b0383d7a
- 2022 Mercedes-Benz GLB 1.3 GLB200 AMG Line Premium Plus, 161 bhp, automatic, petrol, SUV, 5 doors, 7 seats, red. Mileage: 47,110 miles. Price: £23,000, reduced by £500 from £23,500 since AskCar first saw it on 22 October 2026, 23 days ago. Fair price: £25 (under 1%) under the AskCar estimate of £23,025. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 19 July 2027. Dealer: Sytner Group Mercedes-Benz of Northampton in Northampton, 18 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2022-c25bdab4f0fd
- 2024 Mercedes-Benz GLB 1.3 GLB200h MHEV AMG Line Executive, 161 bhp, automatic, petrol, SUV, 5 doors, 7 seats, white. Mileage: 18,881 miles. Price: £26,895, reduced by £1,095 from £27,990 since AskCar first saw it on 24 October 2026, 21 days ago. Fair price: £10 (under 1%) under the AskCar estimate of £26,905. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Group 1 Automotive Mercedes-Benz Of Oxford in Oxford, 18 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2024-e804e7da079d
- 2026 Mercedes-Benz GLB 1.3 GLB200h MHEV Sport Executive, 161 bhp, automatic, petrol, SUV, 5 doors, 7 seats, black. Mileage: 2,809 miles. Price: £29,000, reduced by £1,000 from £30,000 since AskCar first saw it on 31 October 2026, 14 days ago. Fair price: £6 (under 1%) under the AskCar estimate of £29,006. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Group Mercedes-Benz of Milton Keynes in Milton Keynes, 13 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2026-b2e5d8c2552b
- 2026 Mercedes-Benz GLB 1.3 GLB200h MHEV Sport Executive, 161 bhp, automatic, petrol, SUV, 5 doors, 7 seats, black. Mileage: 5,442 miles. Price: £28,750, reduced by £2,750 from £31,500 since AskCar first saw it on 29 September 2026, 46 days ago. Fair price: £184 (under 1%) over the AskCar estimate of £28,566. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Group Mercedes-Benz of Northampton in Northampton, 18 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2026-9e9d4d4cfb4d
- 2023 Mercedes-Benz GLB 2.0 AMG Line Night Edition Premium Plus, automatic, diesel, SUV, 5 doors, 7 seats, white. Mileage: 27,368 miles. Price: £30,450, reduced by £2,040 from £32,490 since AskCar first saw it on 10 October 2026, 35 days ago. Fair price: £196 (under 1%) over the AskCar estimate of £30,254. Euro 6 emissions standard. ULEZ compliant. Dealer: Group 1 Automotive Mercedes-Benz Of Oxford in Oxford, 18 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-685105855ac5
- 2024 Mercedes-Benz GLB 1.3 GLB200h MHEV AMG Line Premium, 161 bhp, automatic, petrol, SUV, 5 doors, 7 seats, black. Mileage: 27,344 miles. Price: £27,500, reduced by £500 from £28,000 since AskCar first saw it on 1 October 2026, 44 days ago. Fair price: £295 (1%) over the AskCar estimate of £27,205. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Group Mercedes-Benz of Northampton in Northampton, 18 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2024-3bd2756c2328
- 2024 Mercedes-Benz GLB 1.3 GLB200h MHEV AMG Line Executive, 161 bhp, automatic, petrol, SUV, 5 doors, 7 seats, black. Mileage: 11,875 miles. Price: £28,000, reduced by £2,000 from £30,000 since AskCar first saw it on 8 September 2026, 67 days ago. Fair price: £371 (1%) over the AskCar estimate of £27,629. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Group Mercedes-Benz of Northampton in Northampton, 18 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2024-96f8419bfdc6
- 2021 Mercedes-Benz GLB 1.3 GLB200 AMG Line, 160 bhp, automatic, petrol, SUV, 5 doors, 7 seats, blue. Mileage: 38,809 miles. Price: £21,150, unchanged since AskCar first saw it on 24 September 2026, 51 days ago. Fair price: £312 (1%) over the AskCar estimate of £20,838. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 30 May 2027. Dealer: Sytner Select Northampton in Northampton, 19 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-af65b0ed454f
- 2022 Mercedes-Benz GLB 1.3 GLB200 AMG Line, 160 bhp, automatic, petrol, SUV, 5 doors, 7 seats, red. Mileage: 42,373 miles. Price: £21,500, reduced by £1,000 from £22,500 since AskCar first saw it on 14 October 2026, 31 days ago. Fair price: £353 (1%) over the AskCar estimate of £21,147. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 5 October 2027. Dealer: Sytner Group Mercedes-Benz of Northampton in Northampton, 18 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2022-110b30224c8c
- 2023 Mercedes-Benz GLB 1.3 AMG Line Executive, 161 bhp, automatic, petrol, SUV, 5 doors, 7 seats, black. Mileage: 20,134 miles. Price: £26,000, reduced by £250 from £26,250 since AskCar first saw it on 30 October 2026, 15 days ago. Fair price: £752 (2%) over the AskCar estimate of £25,248. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 23 November 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-glb-2023-faef99df14fb
- 2023 Mercedes-Benz GLB 1.9 GLB200d AMG Line Premium Plus Night Edition, 147 bhp, automatic, diesel, SUV, 5 doors, 7 seats, white. Mileage: 7,190 miles. Price: £31,500, reduced by £2,000 from £33,500 since AskCar first saw it on 20 August 2026, 86 days ago. Fair price: £998 (3%) over the AskCar estimate of £30,502. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 5 June 2027. Dealer: Sytner Group Mercedes-Benz of Northampton in Northampton, 18 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2023-3748d1d2d87b
- 2026 Mercedes-Benz GLB GLB250+ AMG Line Premium Plus, 268 bhp, automatic, electric, SUV, 5 doors, 7 seats, silver. Mileage: 9,071 miles. Price: £48,990, reduced by £914 from £49,904 since AskCar first saw it on 14 October 2026, 31 days ago. Fair price: £2,661 (5%) over the AskCar estimate of £46,329. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Vertu Mercedes Aylesbury in Aylesbury, 14 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2026-3ff35d70121f
- 2023 Mercedes-Benz GLB 1.3 AMG Line Executive, 161 bhp, automatic, petrol, SUV, 5 doors, 7 seats, grey. Mileage: 49,765 miles. Price: £23,500, reduced by £1,500 from £25,000 since AskCar first saw it on 12 September 2026, 63 days ago. Fair price: £1,461 (6%) over the AskCar estimate of £22,039. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 11 July 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-glb-2023-99edd5ee1c46
- 2024 Mercedes-Benz GLB 2.0 AMG Line Premium, automatic, diesel, SUV, 5 doors, 7 seats, white. Mileage: 13,586 miles. Price: £32,000, reduced by £1,750 from £33,750 since AskCar first saw it on 29 September 2026, 46 days ago. Fair price: £1,997 (6%) over the AskCar estimate of £30,003. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Group Mercedes-Benz of Milton Keynes in Milton Keynes, 13 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2024-2fa8dbad9e96
- 2025 Mercedes-Benz GLB 1.3 GLB200h MHEV AMG Line Premium, 161 bhp, automatic, petrol, SUV, 5 doors, 7 seats, black. Mileage: 11,765 miles. Price: £33,000, reduced by £500 from £33,500 since AskCar first saw it on 29 October 2026, 16 days ago. Fair price: £2,215 (7%) over the AskCar estimate of £30,785. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Group Mercedes-Benz of Milton Keynes in Milton Keynes, 13 miles from Buckingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2025-9aee123181e5
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