2021 Mercedes-Benz GLB 2.0
Price: £21,998. Fair price: £1,158 (5%) over the AskCar estimate of £20,840, our expected asking price for this car from its model, age, mileage and specification, drawing on 802 priced Mercedes-Benz GLB adverts on AskCar as of 9 November 2026.
AskCar lists 807 used Mercedes-Benz GLB from 376 UK dealerships, as of 9 November 2026.
Overview
- Make: Mercedes-Benz
- Model: GLB
- Version: 2.0 Auto Euro 6 5dr
- Year: 2021
- Mileage: 63,519 miles
- Fuel: Diesel
- Body: SUV, 5 doors
- Engine: 2.0 litres
- Gearbox: Automatic
- Colour: Black
- CO2: 161 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 63,519 miles, this 2021 Mercedes-Benz GLB has covered about 16,100 more miles than other 2021 Mercedes-Benz GLB cars. Its asking price of £21,998 is £1,158 above the AskCar estimate of £20,840. To work out the AskCar estimate, we analyse UK dealer adverts for 802 Mercedes-Benz GLB cars across different ages and specifications. We have tracked this advert for 31 days. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Carlisle Hyundai / Geely / Vanstore, based in Carlisle. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 9 November 2026.
Arnold Clark Carlisle Hyundai / Geely / Vanstore is rated 4.8 out of 5 on Google.
Price
Fair price: £1,158 (5%) over the AskCar estimate of £20,840.
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 802 priced Mercedes-Benz GLB adverts across different ages and specifications, as of 9 November 2026.
A 2021 Mercedes-Benz GLB with the 2.0 diesel engine is typically advertised at £23,000: the median of the 27 for sale on AskCar, as of 9 November 2026.
Time on sale
This 2021 Mercedes-Benz GLB has been on sale for at least 31 days.
Price history
AskCar first saw this advert on 9 October 2026 at £21,998. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 7 October 2027.
It failed its MOT on 8 October 2026 (nearside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords; offside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords) and passed later the same day.
There were no advisories at the latest test.
Mileage at that test: 63,531 miles, which matches the advertised 63,519 miles.
Advertised mileage is about 16,100 miles higher than the median mileage of a 2021 Mercedes-Benz GLB on AskCar.
Browse all Mercedes-Benz GLB cars for sale · 2021 Mercedes-Benz GLB price guide
More like this
- Used Mercedes-Benz GLB for sale under £30,000
- Used diesel Mercedes-Benz GLB for sale
- Used Mercedes-Benz GLB for sale near Carlisle
Photos
20 photos of this car are on its AskCar page.
As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.