2021 Mercedes-Benz GLB

2.0 Auto Euro 6 5dr

£21,699

Fair price: within 8% of the typical £23,026 for this model, age and mileage, drawing on 876 adverts of this make and model.

Overview

Make
Mercedes-Benz
Model
GLB
Version
2.0 Auto Euro 6 5dr
Mileage
42,742 miles
Year
2021
Fuel type
Diesel
Body type
SUV
Engine
2.0 L
Gearbox
Automatic
CO2
161 g/km
Colour
White
Doors
5
Emissions standard
Euro 6

About this car

This 2021 Mercedes-Benz GLB has covered 42,742 miles. At £21,699, it is advertised £1,327 below our estimated market asking price of £23,026. We use UK dealer asking prices, including 876 Mercedes-Benz GLB listings, and account for the car’s age, mileage and specification. The asking price is now £1,750 lower than when we first recorded the advert 25 days ago. MOT records show an expiry date of 26 August 2027, and the latest recorded mileage is consistent with the advert. The seller is Motorpoint Newport, based in Newport.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 30 September 2026, 25 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £1,750 from the first recorded £23,449. 3 price reductions recorded, the latest observed on 20 October 2026.

Recorded asking prices
Date observedAsking price
30 September 2026£23,449
3 October 2026£22,099
6 October 2026£22,349
13 October 2026£22,249
20 October 2026£21,699
23 October 2026£21,699

Price and mileage comparison

Estimated market asking price: £23,026. The asking price is £1,327 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 400 miles lower than typical for a 2021 Mercedes-Benz GLB.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 26 August 2027. 42,709 miles at the last test.

1 other cars with the same year, trim, gearbox and fuel are for sale from £21,998 to £21,998.

Other matching cars
Asking priceMileage
£21,99863,519 miles

These cars have covered 63,519 miles, compared with 42,742 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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