2021 Mercedes-Benz GLB

1.3 GLB200 AMG Line Premium DCT FWD Euro 6 (s/s) 5dr 7G (161 bhp)

£22,150

Fair price: within 8% of the typical £21,950 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 GLB200 AMG Line Premium DCT FWD Euro 6 (s/s) 5dr 7G (161 bhp)
Mileage
36,404 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
Black
Doors
5
Driven wheels
Front Wheel Drive
Gearbox version
DCT
Engine badge
GLB200
Emissions standard
Euro 6

About this car

This 2021 Mercedes-Benz GLB AMG Line Premium has covered 36,404 miles, around 6,700 fewer than typical for its age. At £22,150, it is advertised £200 above our estimated market asking price of £21,950. The estimate uses 876 UK dealer adverts for the Mercedes-Benz GLB, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 13 days ago. Its asking price has since fallen by £245. MOT records show an expiry date of 12 October 2027, and the latest recorded mileage is consistent with the advert. The seller is Grainger Motor Group Mantles BYD Royston, based in Royston.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 13 October 2026, 13 days ago. Advert duration calculated on 26 October 2026. Net asking-price reduction: £245 from the first recorded £22,395. 1 price reduction recorded, the latest observed on 21 October 2026.

Recorded asking prices
Date observedAsking price
13 October 2026£22,395
21 October 2026£22,150
23 October 2026£22,150

Price and mileage comparison

Estimated market asking price: £21,950. The asking price is £200 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 6,700 miles lower than typical for a 2021 Mercedes-Benz GLB.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 12 October 2027. 36,433 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 36,404 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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