2020 Mercedes-Benz GLB 2.0 AMG Line Premium

Version: 2.0 AMG Line Premium Auto Euro 6 5dr

Price: £24,995. Above the going rate: £4,321 (20%) over the AskCar estimate of £20,674, our expected asking price for this car from its model, age, mileage and specification, drawing on 860 priced Mercedes-Benz GLB adverts on AskCar as of 30 October 2026.

AskCar lists 873 used Mercedes-Benz GLB from 399 UK dealerships, as of 30 October 2026.

Overview

Make
Mercedes-Benz
Model
GLB
Trim
AMG Line Premium
Version
2.0 AMG Line Premium Auto Euro 6 5dr
Mileage
59,591 miles
Year
2020
Fuel type
Diesel
Body type
SUV
Engine
2.0 L
Gearbox
Automatic
Seats
7
CO2
156 g/km
Colour
Black
Doors
5
Emissions standard
Euro 6

About this car

At 59,591 miles, this 2020 Mercedes-Benz GLB AMG Line Premium has covered about 8,000 more miles than other 2020 Mercedes-Benz GLB cars. The dealer is asking £24,995, which is £4,321 above the AskCar estimate of £20,674. To work out the AskCar estimate, we analyse UK dealer adverts for 860 Mercedes-Benz GLB cars across different ages and specifications. It first appeared in our advert records today. MOT records show an expiry date of 3 January 2027, and the latest recorded mileage is consistent with the advert. The seller is Agnew Group Mercedes-Benz Of Belfast, based in Belfast.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 30 October 2026.

Recorded asking prices
Date observedAsking price
30 October 2026£24,995

Price and mileage comparison

Above the going rate: £4,321 (20%) over the AskCar estimate of £20,674.

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 860 priced Mercedes-Benz GLB adverts across different ages and specifications, as of 30 October 2026.

Advertised mileage is about 8,000 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 3 January 2027. 48,871 miles at the last test.

Other matching cars

31 other 2020 Mercedes-Benz GLB AMG Line Premium automatic diesel cars are for sale at UK dealers from £16,195 to £26,900, as of 30 October 2026.

The 5 cheapest:

The 31 matching cars have covered 4,500 to 107,698 miles, compared with 59,591 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

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Photos

48 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 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.