2021 Mercedes-Benz GLB

2.0 GLB220d AMG Line Premium DCT 4WD Euro 6 (s/s) 5dr 8G (187 bhp)

£22,849

Fair price: within 8% of the typical £23,010 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 GLB220d AMG Line Premium DCT 4WD Euro 6 (s/s) 5dr 8G (187 bhp)
Mileage
50,000 miles
Year
2021
Fuel type
Diesel
Body type
SUV
Engine
2.0 L
Gearbox
Automatic
Power
187 bhp
Seats
7
CO2
155 g/km
Colour
Black
Doors
5
Driven wheels
Four Wheel Drive
Gearbox version
DCT
Engine badge
GLB220d
Emissions standard
Euro 6

About this car

At 50,000 miles, this 2021 Mercedes-Benz GLB AMG Line Premium has covered about 6,900 more miles than other 2021 Mercedes-Benz GLB cars. Our estimated market asking price is £23,010. This car is advertised at £22,849, which is £161 below that figure. 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 56 days ago. Its asking price has since fallen by £100. The recorded MOT expired on 9 September 2026, so ask the dealer whether it has been renewed. Its advertised mileage is consistent with the latest recorded MOT reading. The seller is A1 Ortos, based in Oldham.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 30 August 2026, 56 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £100 from the first recorded £22,949. 1 price reduction recorded, the latest observed on 10 October 2026.

Recorded asking prices
Date observedAsking price
30 August 2026£22,949
10 October 2026£22,849
23 October 2026£22,849

Price and mileage comparison

Estimated market asking price: £23,010. The asking price is £161 below 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 6,900 miles higher than typical for a 2021 Mercedes-Benz GLB.

The advertised mileage is consistent with the last MOT reading.

The recorded MOT has expired; ask the dealer for an up-to-date MOT.

MOT

MOT valid until 9 September 2026. 39,989 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 50,000 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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