Used Mercedes-Benz GLS for sale near Barnet
There are 25 used Mercedes-Benz GLS for sale from UK dealers within 20 miles of Barnet on AskCar, as of 12 November 2026. Typical asking price £60,500 (the median: half cost less, half cost more). The cheapest is £25,200. AskCar lists 144 used Mercedes-Benz GLS across the UK, from 111 dealerships.
The middle half of the 25 cars are priced between £40,000 and £85,000.
As of 12 November 2026, AskCar lists 596,362 cars and vans from 12,840 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Barnet
8 of the 25 Mercedes-Benz GLS within 20 miles of Barnet had their price reduced in the last 14 days to 12 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 138 priced Mercedes-Benz GLS adverts on AskCar as of 12 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.
- 2022 Mercedes-Benz GLS 2.9 GLS400d Night Edition, 325 bhp, automatic, diesel, SUV, 5 doors, 7 seats, blue. Mileage: 17,897 miles. Price: £54,950, reduced by £5,000 from £59,950 since AskCar first saw it on 16 September 2026, 57 days ago. Good value: £6,335 (10%) under the AskCar estimate of £61,285. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 19 October 2026; ask the dealer for the current MOT. Dealer: Group 1 Automotive Mercedes-Benz of Hertford in Hertford, 12 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2022-855c016af91b
- 2019 Mercedes-Benz GLS 3.0 GLS350d V6 AMG Line, 254 bhp, automatic, diesel, SUV, 5 doors, 7 seats, white. Mileage: 55,162 miles. Price: £29,995, unchanged since AskCar first saw it on 6 November 2026, 6 days ago. Good value: £2,876 (8%) under the AskCar estimate of £32,871. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 22 December 2026. Dealer: House Of Motors in Romford, 17 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2019-8d398b004f4d
- 2016 Mercedes-Benz GLS 5.5 GLS63 V8 AMG, 577 bhp, automatic, petrol, SUV, 5 doors, 7 seats, white. Mileage: 66,575 miles. Price: £34,495, reduced by £1,500 from £35,995 since AskCar first saw it on 13 June 2026, 152 days ago. Good value: £3,270 (8%) under the AskCar estimate of £37,765. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 2 March 2027. Dealer: Prestige Autos Surrey in Thames Ditton, 19 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2016-3f4ecf441078
- 2016 Mercedes-Benz GLS 5.5 AMG, 576 bhp, automatic, petrol, SUV, 5 doors, 7 seats, black. Mileage: 72,000 miles. Price: £33,490, unchanged since AskCar first saw it on 28 August 2026, 76 days ago. Good value: £3,061 (8%) under the AskCar estimate of £36,551. Euro 6 emissions standard. ULEZ compliant. Dealer: SF Cars in Ealing, 12 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2016-863f75942d59
- 2025 Mercedes-Benz GLS 3.0 GLS450h MHEV AMG Line Premium Plus, 396 bhp, automatic, petrol, SUV, 5 doors, 7 seats, white. Mileage: 4,514 miles. Price: £76,500, reduced by £9,500 from £86,000 since AskCar first saw it on 20 July 2026, 115 days ago. Fair price: £3,487 (4%) under the AskCar estimate of £79,987. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Group Mercedes-Benz of Watford in Watford, 8 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2025-269ac410971c
- 2025 Mercedes-Benz GLS 3.0 GLS450dh MHEV AMG Line Premium Plus, 382 bhp, automatic, diesel, SUV, 5 doors, 7 seats, black. Mileage: 4,602 miles. Price: £71,995, reduced by £5,000 from £76,995 since AskCar first saw it on 30 July 2026, 105 days ago. Fair price: £2,290 (3%) under the AskCar estimate of £74,285. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: House Of Motors in Romford, 17 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2025-b500a34de359
- 2017 Mercedes-Benz GLS 3.0 GLS350d V6, 254 bhp, automatic, diesel, SUV, 5 doors, 7 seats, grey. Mileage: 69,968 miles. Price: £26,499, unchanged since AskCar first saw it on 31 October 2026, 12 days ago. Fair price: £639 (2%) under the AskCar estimate of £27,138. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 6 January 2027. Dealer: Prestige Motor Trader in Croydon, 19 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2017-6cff72af895f
- 2022 Mercedes-Benz GLS 2.9 GLS400d Night Edition Executive, 325 bhp, automatic, diesel, SUV, 5 doors, 7 seats, black. Mileage: 78,640 miles. Price: £45,995, reduced by £3,000 from £48,995 since AskCar first saw it on 23 August 2026, 81 days ago. Fair price: £691 (1%) under the AskCar estimate of £46,686. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 11 August 2027. Dealer: AA Prestige Cars in Slough, 20 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2022-72fda5abcbf5
- 2020 Mercedes-Benz GLS 2.9 GLS400d AMG Line Premium, 325 bhp, automatic, diesel, SUV, 5 doors, 7 seats, black. Mileage: 37,500 miles. Price: £48,495, unchanged since AskCar first saw it on 3 November 2026, 9 days ago. Fair price: £606 (1%) under the AskCar estimate of £49,101. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 21 September 2027. Dealer: Quickars in Stoke Poges, 18 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2020-5514d2038006
- 2018 Mercedes-Benz GLS 3.0 GLS350d V6 AMG Line, 254 bhp, automatic, diesel, SUV, 5 doors, 7 seats, silver. Mileage: 85,647 miles. Price: £25,200, reduced by £1,200 from £26,400 since AskCar first saw it on 26 September 2026, 47 days ago. Fair price: £144 (under 1%) under the AskCar estimate of £25,344. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 6 December 2026. Dealer: Car Planet Barnet in Barnet, 3 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2018-6dd3f15d08f4
- 2019 Mercedes-Benz GLS 2.9 GLS400d AMG Line Premium Plus Executive, 325 bhp, automatic, diesel, SUV, 5 doors, 7 seats, grey. Mileage: 82,000 miles. Price: £39,995, reduced by £6,000 from £45,995 since AskCar first saw it on 10 June 2026, 155 days ago. Fair price: £146 (under 1%) under the AskCar estimate of £40,141. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 7 May 2027. Dealer: AH Specialist Cars in Watford, 9 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2019-e9d276a5bb25
- 2025 Mercedes-Benz GLS 3.0 GLS450dh MHEV Business Class, 382 bhp, automatic, diesel, SUV, 5 doors, 7 seats, black. Mileage: 6,788 miles. Price: £88,500, unchanged since AskCar first saw it on 28 October 2026, 15 days ago. Fair price: £457 (under 1%) over the AskCar estimate of £88,043. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Group Mercedes-Benz of West London in London, 12 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2025-ec8137b4f7bc
- 2024 Mercedes-Benz GLS 3.0 GLS450dh MHEV Business Class, 382 bhp, automatic, diesel, SUV, 5 doors, 7 seats, black. Mileage: 4,000 miles. Price: £83,989, reduced by £8,000 from £91,989 since AskCar first saw it on 10 July 2026, 125 days ago. Fair price: £2,086 (2%) over the AskCar estimate of £81,903. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Blackstone Motors in Brent, 8 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2024-c4e29816f0d0
- 2020 Mercedes-Benz GLS 2.9 GLS400d AMG Line Premium Plus, 325 bhp, automatic, diesel, SUV, 5 doors, 7 seats, grey. Mileage: 60,000 miles. Price: £46,689, reduced by £1,300 from £47,989 since AskCar first saw it on 7 July 2026, 128 days ago. Fair price: £1,362 (3%) over the AskCar estimate of £45,327. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 15 April 2027. Dealer: Blackstone Motors in Brent, 8 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2020-1986b3dd238f
- 2022 Mercedes-Benz GLS 2.9 GLS400d AMG Line Night Edition, 325 bhp, automatic, diesel, SUV, 5 doors, 7 seats, black. Mileage: 43,621 miles. Price: £56,990, unchanged since AskCar first saw it on 7 October 2026, 36 days ago. Fair price: £1,917 (3%) over the AskCar estimate of £55,073. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 15 September 2026; ask the dealer for the current MOT. Dealer: Lennox Auto in Brent, 8 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2022-46cdc6a657b8
- 2023 Mercedes-Benz GLS 4.0 GLS63h V8 BiTurbo MHEV Night Edition Executive, automatic, petrol, SUV, 5 doors, 7 seats, grey. Mileage: 25,669 miles. Price: £85,000, reduced by £16,000 from £101,000 since AskCar first saw it on 1 August 2026, 103 days ago. Fair price: £3,234 (3%) over the AskCar estimate of £81,766. Euro 6 emissions standard. ULEZ compliant. Dealer: Sytner Group Mercedes-Benz of West London in London, 12 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2023-435a63d0ff3c
- 2022 Mercedes-Benz GLS 2.9 GLS400d Night Edition Executive, 325 bhp, automatic, diesel, SUV, 5 doors, 7 seats, black. Mileage: 45,838 miles. Price: £60,450, reduced by £4,500 from £64,950 since AskCar first saw it on 13 September 2026, 60 days ago. Fair price: £2,944 (5%) over the AskCar estimate of £57,506. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 5 October 2026; ask the dealer for the current MOT. Dealer: Arbat Motors in Bexleyheath, 20 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2022-b3445f9122b2
- 2024 Mercedes-Benz GLS 3.0 GLS450dh MHEV AMG Line Premium Plus, 382 bhp, automatic, diesel, SUV, 5 doors, 7 seats, grey. Mileage: 15,575 miles. Price: £70,500, unchanged since AskCar first saw it on 23 October 2026, 20 days ago. Fair price: £4,068 (6%) over the AskCar estimate of £66,432. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Sytner Group Mercedes-Benz of West London in London, 12 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2024-aad8c45fe5af
- 2019 Mercedes-Benz GLS 3.0 GLS350d V6 Grand Edition, 254 bhp, automatic, diesel, SUV, 5 doors, 7 seats, black. Mileage: 84,553 miles. Price: £32,999, unchanged since AskCar first saw it on 22 October 2026, 21 days ago. Fair price: £2,075 (6%) over the AskCar estimate of £30,924. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 12 May 2027. Dealer: SCS Autos in Watford, 10 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2019-9bae9c9283d4
- 2023 Mercedes-Benz GLS 4.0 GLS63h V8 BiTurbo MHEV Night Edition Executive, automatic, petrol, SUV, 5 doors, 7 seats, black. Mileage: 20,375 miles. Price: £89,850, reduced by £4,150 from £94,000 since AskCar first saw it on 21 October 2026, 22 days ago. Fair price: £6,239 (7%) over the AskCar estimate of £83,611. Euro 6 emissions standard. ULEZ compliant. Dealer: Sytner Group Mercedes-Benz of Temple Fortune in Camden, 5 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2023-936914329fbe
- 2021 Mercedes-Benz GLS 4.0 GLS63h V8 BiTurbo MHEV Night Edition Executive, automatic, petrol, SUV, 5 doors, 7 seats, grey. Mileage: 13,000 miles. Price: £87,995, reduced by £4,500 from £92,495 since AskCar first saw it on 7 July 2026, 128 days ago. Above the going rate: £13,037 (17%) over the AskCar estimate of £74,958. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 19 March 2027. Dealer: Kee Cars in Hackney, 8 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2021-f747227d77c1
- 2024 Mercedes-Benz GLS 4.0 GLS63 V8 BiTurbo MHEV Night Edition, 624 bhp, automatic, petrol, SUV, 5 doors, 7 seats, black. Mileage: 3,986 miles. Price: £139,950, unchanged since AskCar first saw it on 30 July 2026, 105 days ago. Above the going rate: £28,433 (25%) over the AskCar estimate of £111,517. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Mayfair Prestige UK in City of Westminster, 9 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2024-4cfbb4c3fdf2
- 2024 Mercedes-Benz GLS 3.0 AMG Line Premium Plus, automatic, petrol, SUV, 5 doors, black. Mileage: 6,500 miles. Price: £114,950, reduced by £5,000 from £119,950 since AskCar first saw it on 28 May 2026, 168 days ago. Above the going rate: £49,399 (75%) over the AskCar estimate of £65,551. Euro 6 emissions standard. ULEZ compliant. MOT: first test not yet due. Dealer: Asean Corporation in Ealing, 8 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2024-89317c389c4d
- 2026 Mercedes-Benz GLS, automatic, petrol, SUV, 5 doors, 7 seats. Mileage: 30 miles. Price: £229,995, unchanged since AskCar first saw it on 30 July 2026, 105 days ago. Above the going rate: £143,903 (167%) over the AskCar estimate of £86,092. Euro 6 emissions standard. ULEZ compliant. Dealer: Pegasus Autos in London, 9 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2026-0af67c563ef1
- 2000 Mercedes-Benz GLS 2.9, automatic, SUV, 5 doors, 7 seats. Mileage: 45,838 miles. Price: £60,450, raised by £20,500 from £39,950 since AskCar first saw it on 14 July 2026, 121 days ago. Above the going rate: £40,398 (201%) over the AskCar estimate of £20,052. Euro 6 emissions standard. Dealer: Arbat Motors in Bexleyheath, 20 miles from Barnet. AskCar page: https://askcar.co.uk/car/mercedes-benz-gls-2000-d3b0c5e416a6
Mercedes-Benz GLS across the UK by price
More near Barnet
- All used cars and vans near Barnet
- Nissan Qashqai (1,041 cars)
- Volkswagen Golf (993 cars)
- Mercedes-Benz C Class (801 cars)
- Mercedes-Benz A Class (789 cars)
- Volkswagen Polo (764 cars)
- Kia Sportage (753 cars)
- Ford Fiesta (752 cars)
- Ford Focus (742 cars)
- BMW 3 Series (738 cars)
- BMW 1 Series (700 cars)
- Vauxhall Corsa (699 cars)
- Ford Transit Custom (694 vans)
More Mercedes-Benz
- All Mercedes-Benz GLS (144 cars)
- All Mercedes-Benz cars and vans (34,864 cars and vans)
- Mercedes-Benz A Class (6,880 cars)
- Mercedes-Benz C Class (4,864 cars)
- Mercedes-Benz CLA (3,200 cars)
- Mercedes-Benz E Class (3,029 cars)
- Mercedes-Benz GLC (2,887 cars)
- Mercedes-Benz GLA (2,513 cars)
- Mercedes-Benz Sprinter (1,644 vans)
- Mercedes-Benz GLE (1,448 cars)
- Mercedes-Benz Vito (918 vans)
- Mercedes-Benz GLB (856 cars)
- Mercedes-Benz B Class (779 cars)
- Mercedes-Benz S Class (634 cars)
- Mercedes-Benz G Class (489 cars)
- Mercedes-Benz SL (468 cars)
- Mercedes-Benz SLK (465 cars)