2021 Mercedes-Benz GLB

2.0 GLB220d AMG Line Premium DCT 4WD Euro 6 (s/s) 5dr 8G (187 bhp)

£24,995

Fair price: within 8% of the typical £25,231 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 GLB220d AMG Line Premium DCT 4WD Euro 6 (s/s) 5dr 8G (187 bhp)
Mileage
31,007 miles
Year
2021
Fuel type
Diesel
Body type
SUV
Engine
2.0 L
Gearbox
Automatic
Power
187 bhp
Seats
7
CO2
155 g/km
Colour
Silver
Doors
5
Driven wheels
Four Wheel Drive
Gearbox version
DCT
Engine badge
GLB220d
Emissions standard
Euro 6

About this car

With 31,007 miles on the clock, this 2021 Mercedes-Benz GLB AMG Line Premium has done roughly 12,100 fewer miles than a typical 2021 Mercedes-Benz GLB. Its asking price of £24,995 is £236 below our estimate of £25,231. Our estimate draws on 876 Mercedes-Benz GLB adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 37 days ago. The latest MOT record shows an expiry date of 30 April 2027, with the advertised mileage consistent with the recorded reading. It is for sale at Simpson Motors in Dunfermline.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 18 September 2026, 37 days ago. Advert duration calculated on 25 October 2026.

Recorded asking prices
Date observedAsking price
18 September 2026£24,995
23 October 2026£24,995

Price and mileage comparison

Estimated market asking price: £25,231. The asking price is £236 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 12,100 miles lower than typical for a 2021 Mercedes-Benz GLB.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 30 April 2027. 28,641 miles at the last test.

18 other cars with the same year, trim, gearbox and fuel are for sale from £20,464 to £24,490.

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 31,007 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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