2021 Mercedes-Benz GLB

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

£21,420

Fair price: within 8% of the typical £22,910 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
19,431 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
Silver
Doors
5
Driven wheels
Front Wheel Drive
Engine badge
GLB200
Emissions standard
Euro 6

About this car

This 2021 Mercedes-Benz GLB AMG Line is advertised with 19,431 miles, approximately 23,700 below the typical mileage for its age. Its asking price of £21,420 is £1,490 below our estimate of £22,910. Our estimate draws on 876 Mercedes-Benz GLB adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. The asking price is now £2,050 lower than when we first recorded the advert 82 days ago. It may give you a starting point for a conversation about price. Its recorded MOT is valid until 31 October 2026, and its advertised mileage is consistent with the latest MOT reading. The seller is Evans Halshaw BYD Birmingham, based in Erdington.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 3 August 2026, 82 days ago. Advert duration calculated on 24 October 2026. Net asking-price reduction: £2,050 from the first recorded £23,470. 5 price reductions recorded, the latest observed on 20 October 2026.

Recorded asking prices
Date observedAsking price
3 August 2026£23,470
5 August 2026£23,230
11 August 2026£22,660
13 August 2026£22,660
25 August 2026£22,360
29 September 2026£22,250
7 October 2026£21,820
20 October 2026£21,420
23 October 2026£21,420

Price and mileage comparison

Estimated market asking price: £22,910. The asking price is £1,490 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 23,700 miles lower than typical for a 2021 Mercedes-Benz GLB.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 31 October 2026. 18,808 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 26,119–101,000 miles, compared with 19,431 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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Vehicle photos

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