2021 Mercedes-Benz GLB 2.0 GLB35 Premium Plus
Price: £32,491. Fair price: £1,815 (5%) over the AskCar estimate of £30,676, our expected asking price for this car from its model, age, mileage and specification, drawing on 862 priced Mercedes-Benz GLB adverts on AskCar as of 1 November 2026.
AskCar lists 869 used Mercedes-Benz GLB from 392 UK dealerships, as of 1 November 2026.
Overview
- Make: Mercedes-Benz
- Model: GLB
- Trim: Premium Plus
- Version: 2.0 35 Premium Plus DCT 4WD Euro 6 5dr 8G (301 bhp)
- Year: 2021
- Mileage: 39,987 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 7 seats
- Engine: 2.0 litres, 301 bhp
- Gearbox: Automatic (DCT)
- Drive: Four-wheel drive
- Colour: White
- CO2: 206 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 39,987 miles, this 2021 Mercedes-Benz GLB Premium Plus has covered about 4,500 fewer miles than other 2021 Mercedes-Benz GLB cars. Priced at £32,491, it is advertised £1,815 above the AskCar estimate of £30,676. To work out the AskCar estimate, we analyse UK dealer adverts for 862 Mercedes-Benz GLB cars across different ages and specifications. We have tracked this advert for 1 day. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is LSH Auto Mercedes-Benz of Stockport, based in Stockport. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 1 November 2026.
Price
Fair price: £1,815 (5%) over the AskCar estimate of £30,676.
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 862 priced Mercedes-Benz GLB adverts across different ages and specifications, as of 1 November 2026.
Time on sale
AskCar first saw this 2021 Mercedes-Benz GLB advertised 1 day ago.
Price history
AskCar first saw this advert on 31 October 2026 at £32,491. 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 1 November 2026: valid until 8 March 2027.
It has had 3 MOTs. The latest, on 9 March 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 30,902 miles, which matches the advertised 39,987 miles.
Advertised mileage is about 4,500 miles lower than the median mileage of a 2021 Mercedes-Benz GLB on AskCar.
Similar cars
1 other 2021 Mercedes-Benz GLB Premium Plus 2.0 petrol automatic SUV is for sale at UK dealers, as of 1 November 2026.
The closest to this car in mileage:
- 2021 Mercedes-Benz GLB Premium Plus, 2.0 petrol SUV, white. Mileage: 44,000 miles. Price: £31,963, £528 less than this car. Dealer: Thorp Arch Motor Company in Wetherby. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-b52dd6632e89
Browse all Mercedes-Benz GLB cars for sale · 2021 Mercedes-Benz GLB price guide
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Photos
1 photo of this car is on its AskCar page.
As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.