2021 Mercedes-Benz GLB

2.0 GLB200d AMG Line DCT FWD Euro 6 (s/s) 5dr 8G (148 bhp)

£20,949

Fair price: within 8% of the typical £20,708 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
2.0 GLB200d AMG Line DCT FWD Euro 6 (s/s) 5dr 8G (148 bhp)
Mileage
53,873 miles
Year
2021
Fuel type
Diesel
Body type
SUV
Engine
2.0 L
Gearbox
Automatic
Power
148 bhp
Seats
7
CO2
148 g/km
Colour
White
Doors
5
Driven wheels
Front Wheel Drive
Gearbox version
DCT
Engine badge
GLB200d
Emissions standard
Euro 6

About this car

At 53,873 miles, this 2021 Mercedes-Benz GLB AMG Line has covered about 10,800 more miles than other 2021 Mercedes-Benz GLB cars. Our estimated market asking price is £20,708. This car is advertised at £20,949, which is £241 above that figure. To estimate its market asking price, we analyse UK dealer adverts for 876 Mercedes-Benz GLB cars across different ages and specifications. The asking price is now £50 lower than when we first recorded the advert 17 days ago. Its MOT is recorded as valid until 21 September 2027. The advertised mileage is consistent with the latest MOT reading. It is for sale at Henson Car Store in Newcastle Upon Tyne.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 7 October 2026, 17 days ago. Advert duration calculated on 24 October 2026. Net asking-price reduction: £50 from the first recorded £20,999. 1 price reduction recorded, the latest observed on 21 October 2026.

Recorded asking prices
Date observedAsking price
7 October 2026£20,999
21 October 2026£20,949
23 October 2026£20,949

Price and mileage comparison

Estimated market asking price: £20,708. The asking price is £241 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 10,800 miles higher than typical for a 2021 Mercedes-Benz GLB.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 21 September 2027. 53,850 miles at the last test.

3 other cars with the same year, trim, gearbox and fuel are for sale from £14,995 to £21,295.

Other matching cars
Asking priceMileage
£14,995127,885 miles
£17,70076,940 miles
£21,29576,500 miles

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

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos

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