2021 Mercedes-Benz GLB

2.0 AMG Line Premium Auto Euro 6 5dr

£21,895

Fair price: within 8% of the typical £21,423 for this model, age and mileage, drawing on 876 adverts of this make and model.

Overview

Make
Mercedes-Benz
Model
GLB
Trim
AMG LINE PREMIUM
Version
2.0 AMG Line Premium Auto Euro 6 5dr
Mileage
62,870 miles
Year
2021
Fuel type
Diesel
Body type
SUV
Engine
2.0 L
Gearbox
Automatic
Seats
7
CO2
156 g/km
Colour
White
Doors
5
Emissions standard
Euro 6

About this car

This 2021 Mercedes-Benz GLB AMG Line Premium has covered 62,870 miles, around 19,800 more than typical for its age. At £21,895, it is advertised £472 above our estimated market asking price of £21,423. The estimate uses 876 UK dealer adverts for the Mercedes-Benz GLB, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 14 days ago. Its asking price has since fallen by £95. MOT records show an expiry date of 22 March 2027, and the latest recorded mileage is consistent with the advert. The seller is Group 1 Automotive Mercedes-Benz of Coventry, based in Coventry.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 12 October 2026, 14 days ago. Advert duration calculated on 26 October 2026. Net asking-price reduction: £95 from the first recorded £21,990. 1 price reduction recorded, the latest observed on 18 October 2026.

Recorded asking prices
Date observedAsking price
12 October 2026£21,990
18 October 2026£21,750
23 October 2026£21,895

Price and mileage comparison

Estimated market asking price: £21,423. The asking price is £472 above this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 876 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 19,800 miles higher than typical for a 2021 Mercedes-Benz GLB.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 22 March 2027. 62,870 miles at the last test.

18 other cars with the same year, trim, gearbox and fuel are for sale from £20,464 to £24,995.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£20,46464,540 miles
£20,46464,540 miles
£20,79063,650 miles
£20,97571,128 miles
£21,20068,280 miles

These cars have covered 28,606–71,128 miles, compared with 62,870 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Mercedes-Benz GLB cars for sale · 2021 Mercedes-Benz GLB price guide

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