2021 Mercedes-Benz GLB

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

£17,700

Fair price: within 8% of the typical £17,988 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
76,940 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
Black
Doors
5
Driven wheels
Front Wheel Drive
Gearbox version
DCT
Engine badge
GLB200d
Emissions standard
Euro 6

About this car

This 2021 Mercedes-Benz GLB AMG Line has covered 76,940 miles, around 33,800 more than typical for its age. The dealer is asking £17,700, which is £288 below our market estimate of £17,988. Our estimate draws on 876 Mercedes-Benz GLB adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 9 days ago. Its MOT is recorded as valid until 14 September 2027. The advertised mileage is consistent with the latest MOT reading. It is advertised by Car Planet Barnet in New Southgate.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 17 October 2026, 9 days ago. Advert duration calculated on 26 October 2026.

Recorded asking prices
Date observedAsking price
17 October 2026£17,700
23 October 2026£17,700

Price and mileage comparison

Estimated market asking price: £17,988. The asking price is £288 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 33,800 miles higher than typical for a 2021 Mercedes-Benz GLB.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 14 September 2027. 75,288 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
£20,94953,873 miles
£21,29576,500 miles

These cars have covered 53,873–127,885 miles, compared with 76,940 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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