2021 Mercedes-Benz GLB prices
91 cars from UK dealers, updated 23 October 2026. Typical asking price £21,500.
AskCar lists 589,789 cars from 13,079 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.
Half of the 91 priced 2021 Mercedes-Benz GLB cars for sale are priced between £20,500 and £23,000.
Typical mileage 43,000 miles.
48 have had their price cut since they were first listed.
Is the price fair?
The prices above describe the cars currently advertised. They are not a valuation of every car of this model and year. Open a car to see its expected asking price, adjusted for mileage and specification, alongside the available evidence.
Cars for sale now
The cheaper cars like each one are on its AskCar page.
- 2021 Mercedes-Benz GLB, 10,000 miles, £19,995, £4,839 under typical, Walsall
- 2021 Mercedes-Benz GLB, 37,436 miles, £21,749, £2,606 under typical, Birmingham
- 2021 Mercedes-Benz GLB, 41,405 miles, £21,500, £2,488 under typical, Stoke-on-Trent
- 2021 Mercedes-Benz GLB, 37,900 miles, £24,790, Hoddesdon
- 2021 Mercedes-Benz GLB, 35,216 miles, £19,890, Blue Bell Hill
- 2021 Mercedes-Benz GLB, 38,019 miles, £20,995, Stockport
- 2021 Mercedes-Benz GLB, 41,670 miles, £24,600, Chesterfield
- 2021 Mercedes-Benz GLB, 19,431 miles, £21,420, Birmingham
- 2021 Mercedes-Benz GLB, 23,184 miles, £26,990, Stockton-on-Tees
- 2021 Mercedes-Benz GLB, 64,540 miles, £20,464, Gloucester
- 2021 Mercedes-Benz GLB, 42,742 miles, £21,699, Newport
- 2021 Mercedes-Benz GLB, 51,400 miles, £19,995, Dukinfield
- 2021 Mercedes-Benz GLB, 50,886 miles, £18,800, Watford
- 2021 Mercedes-Benz GLB, 28,606 miles, £24,290, Stoke-on-Trent
- 2021 Mercedes-Benz GLB, 64,540 miles, £20,464, Gloucester
- 2021 Mercedes-Benz GLB, 29,302 miles, £20,990, Flimwell
- 2021 Mercedes-Benz GLB, 29,359 miles, £20,995, Swansea
- 2021 Mercedes-Benz GLB, 29,550 miles, £20,990, Sheffield
- 2021 Mercedes-Benz GLB, 29,250 miles, £22,495, Liverpool
- 2021 Mercedes-Benz GLB, 41,054 miles, £19,940, Norwich
- 2021 Mercedes-Benz GLB, 33,543 miles, £20,699, Oxford
- 2021 Mercedes-Benz GLB, 46,465 miles, £19,457, Leicester
- 2021 Mercedes-Benz GLB, 34,626 miles, £23,499, Croydon
- 2021 Mercedes-Benz GLB, 20,863 miles, £24,998, Chertsey
- 2021 Mercedes-Benz GLB, 36,960 miles, £20,499, Winsford
- 2021 Mercedes-Benz GLB, 41,035 miles, £22,950, Milton Keynes
- 2021 Mercedes-Benz GLB, 50,486 miles, £22,290, York
- 2021 Mercedes-Benz GLB, 38,250 miles, £20,490, South Woodham Ferrers
- 2021 Mercedes-Benz GLB, 24,580 miles, £23,295, Tockwith
- 2021 Mercedes-Benz GLB, 63,650 miles, £20,790, Wakefield
- 2021 Mercedes-Benz GLB, 33,100 miles, £24,990, Essendine
- 2021 Mercedes-Benz GLB, 29,244 miles, £21,513, St Ives
- 2021 Mercedes-Benz GLB, 52,794 miles, £19,250, Blue Bell Hill
- 2021 Mercedes-Benz GLB, 39,900 miles, £20,495, Liverpool
- 2021 Mercedes-Benz GLB, 45,672 miles, £24,490, Coldstream
- 2021 Mercedes-Benz GLB, 76,940 miles, £17,700, Barnet
- 2021 Mercedes-Benz GLB, 26,119 miles, £21,995, Epsom
- 2021 Mercedes-Benz GLB, 127,885 miles, £14,995, Hartlepool
- 2021 Mercedes-Benz GLB, 31,007 miles, £24,995, Dunfermline
- 2021 Mercedes-Benz GLB, 23,000 miles, £25,450, St Albans
- 2021 Mercedes-Benz GLB, 50,000 miles, £22,849, Oldham
- 2021 Mercedes-Benz GLB, 47,928 miles, £20,539, Wolverhampton
- 2021 Mercedes-Benz GLB, 39,797 miles, £20,797, Colchester
- 2021 Mercedes-Benz GLB, 41,939 miles, £25,422, Stockport
- 2021 Mercedes-Benz GLB, 35,216 miles, £22,349, Glasgow
- 2021 Mercedes-Benz GLB, 44,000 miles, £23,795, Exeter
- 2021 Mercedes-Benz GLB, 53,697 miles, £20,499, Shrewsbury
- 2021 Mercedes-Benz GLB, 38,809 miles, £21,150, Northampton
- 2021 Mercedes-Benz GLB, 36,404 miles, £22,150, Royston
- 2021 Mercedes-Benz GLB, 48,843 miles, £20,200, Upminster
- 2021 Mercedes-Benz GLB, 34,345 miles, £22,624, Stafford
- 2021 Mercedes-Benz GLB, 53,873 miles, £20,949, Newcastle upon Tyne
- 2021 Mercedes-Benz GLB, 65,560 miles, £18,495, Basildon
- 2021 Mercedes-Benz GLB, 43,139 miles, £20,899, Maidstone
- 2021 Mercedes-Benz GLB, 60,500 miles, £20,495, Barking and Dagenham
- 2021 Mercedes-Benz GLB, 71,049 miles, £18,699, Harlow
- 2021 Mercedes-Benz GLB, 55,800 miles, £22,699, Maidstone
- 2021 Mercedes-Benz GLB, 76,500 miles, £21,295, Watford
- 2021 Mercedes-Benz GLB, 62,870 miles, £21,895, Coventry
- 2021 Mercedes-Benz GLB, 42,500 miles, £21,995, Watford
- 2021 Mercedes-Benz GLB, 41,000 miles, £24,490, Chafford Hundred and West Thurrock
- 2021 Mercedes-Benz GLB, 20,881 miles, £24,290, Chafford Hundred and West Thurrock
- 2021 Mercedes-Benz GLB, 30,623 miles, £22,400, Long Eaton
- 2021 Mercedes-Benz GLB, 68,280 miles, £21,200, Swindon
- 2021 Mercedes-Benz GLB, 77,043 miles, £23,989, Hertford
- 2021 Mercedes-Benz GLB, 43,100 miles, £24,990, Worksop
- 2021 Mercedes-Benz GLB, 38,116 miles, £22,600, Bolton
- 2021 Mercedes-Benz GLB, 71,128 miles, £20,975, Bury
- 2021 Mercedes-Benz GLB, 33,468 miles, £23,147, Ipswich
- 2021 Mercedes-Benz GLB, 71,750 miles, £18,199, Corby
- 2021 Mercedes-Benz GLB, 70,487 miles, £18,495, Lincoln
- 2021 Mercedes-Benz GLB, 33,850 miles, £23,495, Rye
- 2021 Mercedes-Benz GLB, 78,200 miles, £20,999, London
- 2021 Mercedes-Benz GLB, 49,368 miles, £24,975, Gravesend
- 2021 Mercedes-Benz GLB, 59,000 miles, £21,499, Gunnislake
- 2021 Mercedes-Benz GLB, 34,900 miles, £33,749, Wombourne
- 2021 Mercedes-Benz GLB, 87,258 miles, £16,800, Durham
- 2021 Mercedes-Benz GLB, 62,000 miles, £22,950, Belfast
- 2021 Mercedes-Benz GLB, 34,000 miles, £33,995, Harrogate
- 2021 Mercedes-Benz GLB, 63,519 miles, £21,998, Carlisle
- 2021 Mercedes-Benz GLB, 53,211 miles, £23,995, Portadown
- 2021 Mercedes-Benz GLB, 95,412 miles, £15,990, Brent
- 2021 Mercedes-Benz GLB, 60,418 miles, £20,998, Greenock
- 2021 Mercedes-Benz GLB, 34,750 miles, £23,000, Pulborough
- 2021 Mercedes-Benz GLB, 79,726 miles, £20,498, Armadale
- 2021 Mercedes-Benz GLB, 119,000 miles, £17,995, Oldham
- 2021 Mercedes-Benz GLB, 101,000 miles, £15,795, Birmingham
- 2021 Mercedes-Benz GLB, 44,000 miles, £31,963, Wetherby
- 2021 Mercedes-Benz GLB, 92,677 miles, £18,750, Coventry
- 2021 Mercedes-Benz GLB, 48,203 miles, £21,300, £1,910 under typical, Lincoln
- 2021 Mercedes-Benz GLB, 47,782 miles, £19,831, Watford
Mercedes-Benz GLB by gearbox, fuel and body
Mercedes-Benz GLB prices by year
Mercedes-Benz GLB by price
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