2021 Mercedes-Benz GLB

1.3 AMG Line Premium Auto FWD Euro 6 5dr (161 bhp)

£18,699

Fair price: within 8% of the typical £18,374 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
1.3 AMG Line Premium Auto FWD Euro 6 5dr (161 bhp)
Mileage
71,049 miles
Year
2021
Fuel type
Petrol
Body type
SUV
Engine
1.3 L
Gearbox
Automatic
Power
161 bhp
Seats
7
CO2
163 g/km
Colour
Grey
Doors
5
Driven wheels
Front Wheel Drive
Engine badge
GLB200
Emissions standard
Euro 6

About this car

This 2021 Mercedes-Benz GLB AMG Line Premium has covered 71,049 miles, around 27,900 more than typical for its age. The dealer is asking £18,699, which is £325 above our market estimate of £18,374. 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 £8,400 lower than when we first recorded the advert 74 days ago. Our latest MOT record expired on 16 October 2026. Check the current position with the dealer. The latest recorded MOT mileage is consistent with the advertised figure. You can find this car at cinch in Harlow.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 13 August 2026, 74 days ago. Advert duration calculated on 26 October 2026. Net asking-price reduction: £8,400 from the first recorded £27,099. 5 price reductions recorded, the latest observed on 16 October 2026.

Recorded asking prices
Date observedAsking price
13 August 2026£27,099
22 August 2026£20,399
4 September 2026£20,099
18 September 2026£19,599
23 September 2026£19,799
3 October 2026£19,224
16 October 2026£18,699
23 October 2026£18,699

Price and mileage comparison

Estimated market asking price: £18,374. The asking price is £325 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 27,900 miles higher than typical for a 2021 Mercedes-Benz GLB.

The advertised mileage is consistent with the last MOT reading.

The recorded MOT has expired; ask the dealer for an up-to-date MOT.

MOT

MOT valid until 16 October 2026. 57,080 miles at the last test.

18 other cars with the same year, trim, gearbox and fuel are for sale from £18,750 to £24,290.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£18,75092,677 miles
£19,99551,400 miles
£19,99510,000 miles
£20,49560,500 miles
£20,49953,697 miles

These cars have covered 10,000–92,677 miles, compared with 71,049 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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