2021 Mercedes-Benz GLB 2.0 GLB200d AMG Line Premium
Version: 2.0 GLB200d AMG Line Premium DCT FWD Euro 6 (s/s) 5dr 2) 8G (148 bhp)
Price: £15,950. Fair price: £430 (2%) over the AskCar estimate of £15,520, our expected asking price for this car from its model, age, mileage and specification, drawing on 851 priced Mercedes-Benz GLB adverts on AskCar as of 29 October 2026.
AskCar lists 859 used Mercedes-Benz GLB from 402 UK dealerships, as of 29 October 2026.
Overview
- Make
- Mercedes-Benz
- Model
- GLB
- Trim
- AMG Line Premium
- Version
- 2.0 GLB200d AMG Line Premium DCT FWD Euro 6 (s/s) 5dr 2) 8G (148 bhp)
- Mileage
- 105,000 miles
- Year
- 2021
- Fuel type
- Diesel
- Body type
- SUV
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 148 bhp
- Seats
- 7
- CO2
- 155 g/km
- Colour
- White
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Gearbox version
- DCT
- Engine badge
- GLB200d
- Emissions standard
- Euro 6
About this car
At 105,000 miles, this 2021 Mercedes-Benz GLB AMG Line Premium has covered about 58,500 more miles than other 2021 Mercedes-Benz GLB cars. Its asking price of £15,950 is £430 above the AskCar estimate of £15,520. The AskCar estimate uses 851 UK dealer adverts for the Mercedes-Benz GLB, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records today. MOT records show an expiry date of 12 July 2027, and the latest recorded mileage is consistent with the advert. The seller is Car City (Luton), based in Luton.
Stock data as of 29 October 2026.
Price history
AskCar first saw this advert on 29 October 2026.
| Date observed | Asking price |
|---|---|
| 29 October 2026 | £15,950 |
Price and mileage comparison
Fair price: £430 (2%) over the AskCar estimate of £15,520.
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 851 priced Mercedes-Benz GLB adverts across different ages and specifications, as of 29 October 2026.
Advertised mileage is about 58,500 miles higher than the median mileage of a 2021 Mercedes-Benz GLB on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 12 July 2027. 103,590 miles at the last test.
Other matching cars
19 other 2021 Mercedes-Benz GLB AMG Line Premium automatic diesel cars are for sale at UK dealers from £19,990 to £24,995, as of 29 October 2026.
The 5 cheapest:
- 2021 Mercedes-Benz GLB. Price: £19,990. Mileage: 69,798 miles. Dealer: Group 1 Automotive Mercedes-Benz Of Kings Lynn in King's Lynn. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-c6ffaf631d0f
- 2021 Mercedes-Benz GLB. Price: £20,338. Mileage: 64,540 miles. Dealer: Heritage Honda Gloucester in Gloucester. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-20589ade1fdf
- 2021 Mercedes-Benz GLB. Price: £20,338. Mileage: 64,540 miles. Dealer: Heritage Automotive Gloucester in Gloucester. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-7d4447131e92
- 2021 Mercedes-Benz GLB. Price: £20,390. Mileage: 63,650 miles. Dealer: Stratstone Mercedes-Benz of Wakefield in Wakefield. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-0c9c00159aba
- 2021 Mercedes-Benz GLB. Price: £20,500. Mileage: 62,300 miles. Dealer: Colin Ludwell Cars in Bristol. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2021-1ae87933a2f3
The 19 matching cars have covered 28,606 to 69,798 miles, compared with 105,000 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Mercedes-Benz GLB cars for sale · 2021 Mercedes-Benz GLB price guide
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Photos
23 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.