2021 Mercedes-Benz GLB

1.9 220d AMG Line Auto 4WD Euro 6 5dr 8G-Tronic (187 bhp)

£21,295

Fair price: within 8% of the typical £20,881 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: 1.9 220d AMG Line Auto 4WD Euro 6 5dr 8G-Tronic (187 bhp)
Mileage: 76,500 miles
Year: 2021
Fuel type: Diesel
Body type: SUV
Engine: 1.9 L
Gearbox: Automatic
Power: 187 bhp
Seats: 7
CO2: 155 g/km
Colour: Blue
Doors: 5
Driven wheels: Four Wheel Drive
Engine badge: GLB220d
Emissions standard: Euro 6

About this car

This 2021 Mercedes-Benz GLB AMG Line has covered 76,500 miles, around 33,400 more than typical for its age. At £21,295, it is advertised £414 above our estimated market asking price of £20,881. The estimate uses 876 UK dealer adverts for the Mercedes-Benz GLB, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 5 days ago. Its MOT is recorded as valid until 1 February 2027. The advertised mileage is consistent with the latest MOT reading. You can find this car at Evo Motor Group in Radlett.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 21 October 2026, 5 days ago. Advert duration calculated on 26 October 2026.

Recorded asking prices
Date observed	Asking price
21 October 2026	£21,295
23 October 2026	£21,295

Price and mileage comparison

Estimated market asking price: £20,881. The asking price is £414 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.

Advertised mileage is approximately 33,400 miles higher than typical for a 2021 Mercedes-Benz GLB.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 1 February 2027. 56,710 miles at the last test.

3 other cars with the same year, trim, gearbox and fuel are for sale from £14,995 to £20,949.

Other matching cars
Asking price	Mileage
£14,995	127,885 miles
£17,700	76,940 miles
£20,949	53,873 miles

These cars have covered 53,873–127,885 miles, compared with 76,500 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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