2021 Mercedes-Benz GLB

1.3 AMG Line Auto FWD Euro 6 5dr (160 bhp)

£20,899

Fair price: within 8% of the typical £20,570 for this model, age and mileage, drawing on 876 adverts of this make and model.

Overview

Make
Mercedes-Benz
Model
GLB
Trim
AMG LINE
Version
1.3 AMG Line Auto FWD Euro 6 5dr (160 bhp)
Mileage
43,139 miles
Year
2021
Fuel type
Petrol
Body type
SUV
Engine
1.3 L
Gearbox
Automatic
Power
160 bhp
Seats
7
CO2
163 g/km
Colour
White
Doors
5
Driven wheels
Front Wheel Drive
Engine badge
GLB200
Emissions standard
Euro 6

About this car

This 2021 Mercedes-Benz GLB AMG Line has covered 43,139 miles. At £20,899, it is advertised £329 above our estimated market asking price of £20,570. To estimate its market asking price, we analyse UK dealer adverts for 876 Mercedes-Benz GLB cars across different ages and specifications. We first saw this car advertised 39 days ago. Its asking price has since fallen by £1,100. The recorded MOT expired on 14 October 2026, so ask the dealer whether it has been renewed. Our comparison with the latest MOT reading has not flagged a mileage discrepancy. The seller is Lookers Mercedes-Benz of Maidstone, based in Maidstone.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 17 September 2026, 39 days ago. Advert duration calculated on 26 October 2026. Net asking-price reduction: £1,100 from the first recorded £21,999. 7 price reductions recorded, the latest observed on 21 October 2026.

Recorded asking prices
Date observedAsking price
17 September 2026£21,999
25 September 2026£21,799
30 September 2026£21,699
5 October 2026£21,499
7 October 2026£21,399
10 October 2026£21,249
17 October 2026£20,999
21 October 2026£20,899
23 October 2026£20,899

Price and mileage comparison

Estimated market asking price: £20,570. The asking price is £329 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.

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 14 October 2026. 35,060 miles at the last test.

27 other cars with the same year, trim, gearbox and fuel are for sale from £15,795 to £23,000.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£15,795101,000 miles
£15,99095,412 miles
£16,80087,258 miles
£18,19971,750 miles
£18,49565,560 miles

These cars have covered 19,431–101,000 miles, compared with 43,139 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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