2020 Mercedes-Benz GLB 2.0 GLB200d AMG Line
Version: 2.0 AMG Line Auto FWD Euro 6 5dr (147 bhp)
Price: £21,000. Above the going rate: £1,898 (9%) over the AskCar estimate of £19,102, 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
- AMG Line
- Version
- 2.0 AMG Line Auto FWD Euro 6 5dr (147 bhp)
- Mileage
- 72,249 miles
- Year
- 2020
- Fuel type
- Diesel
- Body type
- SUV
- Engine
- 2.0 L
- Gearbox
- Automatic
- Power
- 147 bhp
- Seats
- 7
- CO2
- 148 g/km
- Colour
- Grey
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Engine badge
- GLB200d
- Emissions standard
- Euro 6
About this car
This 2020 Mercedes-Benz GLB AMG Line is advertised with 72,249 miles, approximately 20,600 above the typical mileage for its age. Its asking price of £21,000 is £1,898 above the AskCar estimate of £19,102. The AskCar estimate uses 862 UK dealer adverts for the Mercedes-Benz GLB, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. MOT records show an expiry date of 2 October 2027, and the latest recorded mileage is consistent with the advert. The seller is Sytner Group Mercedes-Benz of Northampton, based in Northampton.
Stock data as of 1 November 2026.
Price history
AskCar first saw this advert on 1 November 2026.
| Date observed | Asking price |
|---|---|
| 1 November 2026 | £21,000 |
Price and mileage comparison
Above the going rate: £1,898 (9%) over the AskCar estimate of £19,102.
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.
Advertised mileage is about 20,600 miles higher than the median mileage of a 2020 Mercedes-Benz GLB on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 2 October 2027. 72,249 miles at the last test.
Other matching cars
3 other 2020 Mercedes-Benz GLB AMG Line automatic diesel cars are for sale at UK dealers from £18,699 to £25,899, as of 1 November 2026.
- 2020 Mercedes-Benz GLB. Price: £18,699. Mileage: 62,000 miles. Dealer: Abaza Motors in Ealing. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-cfd9d1f23834
- 2020 Mercedes-Benz GLB. Price: £25,399. Mileage: 32,674 miles. Dealer: cinch in Canterbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-ec41113ad8e7
- 2020 Mercedes-Benz GLB. Price: £25,899. Mileage: 28,299 miles. Dealer: Lookers Mercedes-Benz of Gatwick in Crawley. AskCar page: https://askcar.co.uk/car/mercedes-benz-glb-2020-1afa49e14a6f
The 3 matching cars have covered 28,299 to 62,000 miles, compared with 72,249 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 · 2020 Mercedes-Benz GLB price guide
More like this
How to contact the dealer and its opening hours are on this 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.