2021 Mercedes-Benz GLB

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

£21,995

Fair price: within 8% of the typical £21,505 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
42,500 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
Blue
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 42,500 miles. Our estimated market asking price is £21,505. This car is advertised at £21,995, which is £490 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. Since we first spotted the advert 20 days ago, the asking price has dropped by £1,000. The latest MOT record shows an expiry date of 24 September 2027, with the advertised mileage consistent with the recorded 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 6 October 2026, 20 days ago. Advert duration calculated on 26 October 2026. Net asking-price reduction: £1,000 from the first recorded £22,995. 2 price reductions recorded, the latest observed on 14 October 2026.

Recorded asking prices
Date observedAsking price
6 October 2026£22,995
13 October 2026£22,395
14 October 2026£21,995
23 October 2026£21,995

Price and mileage comparison

Estimated market asking price: £21,505. The asking price is £490 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 600 miles lower than typical for a 2021 Mercedes-Benz GLB.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 24 September 2027. 41,911 miles at the last test.

18 other cars with the same year, trim, gearbox and fuel are for sale from £18,699 to £24,290.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£18,69971,049 miles
£18,75092,677 miles
£19,99551,400 miles
£19,99510,000 miles
£20,49560,500 miles

These cars have covered 10,000–92,677 miles, compared with 42,500 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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