2021 Mercedes-Benz GLB

2.0 AMG Line Premium Auto Euro 6 5dr

£21,749

Good value: £2,606 under the typical £24,355 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
37,436 miles
Year
2021
Fuel type
Diesel
Body type
SUV
Engine
2.0 L
Gearbox
Automatic
CO2
156 g/km
Colour
Red
Doors
5
Emissions standard
Euro 6

About this car

At 37,436 miles, this 2021 Mercedes-Benz GLB AMG Line Premium has covered about 5,700 fewer miles than other 2021 Mercedes-Benz GLB cars. Our estimated market asking price is £24,355. This car is advertised at £21,749, which is £2,606 below that figure. To estimate its market asking price, we analyse UK dealer adverts for 876 Mercedes-Benz GLB cars across different ages and specifications. Since we first spotted the advert 72 days ago, the asking price has dropped by £3,800. It may give you a starting point for a conversation about price. MOT records show an expiry date of 18 August 2027, and the latest recorded mileage is consistent with the advert. The seller is Motorpoint Birmingham, based in Birmingham.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 15 August 2026, 72 days ago. Advert duration calculated on 26 October 2026. Net asking-price reduction: £3,800 from the first recorded £25,549. 10 price reductions recorded, the latest observed on 17 October 2026.

Recorded asking prices
Date observedAsking price
15 August 2026£25,549
21 August 2026£24,749
28 August 2026£24,599
4 September 2026£24,449
11 September 2026£24,249
18 September 2026£24,149
25 September 2026£23,899
26 September 2026£23,799
3 October 2026£22,899
10 October 2026£22,449
17 October 2026£21,749
23 October 2026£21,749

Price and mileage comparison

Estimated market asking price: £24,355. The asking price is £2,606 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 5,700 miles lower than typical for a 2021 Mercedes-Benz GLB.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 18 August 2027. 37,437 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 37,436 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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