2021 Mercedes-Benz GLB

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

£25,450

Fair price: within 8% of the typical £25,633 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 PLUS
Version
1.3 AMG Line Premium Plus Auto FWD Euro 6 5dr (161 bhp)
Mileage
23,000 miles
Year
2021
Fuel type
Petrol
Body type
SUV
Engine
1.3 L
Gearbox
Automatic
Power
161 bhp
Seats
7
CO2
164 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 Plus has covered 23,000 miles, around 20,100 fewer than typical for its age. At £25,450, it is advertised £183 below our estimated market asking price of £25,633. To estimate its market asking price, we analyse UK dealer adverts for 876 Mercedes-Benz GLB cars across different ages and specifications. We first recorded this advert 112 days ago, and its asking price has since fallen by £1,500. The time on sale and price change could be useful context when negotiating. Its recorded MOT is valid until 19 December 2026, and its advertised mileage is consistent with the latest MOT reading. You can find this car at Jamjar Cars in St. Albans.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 6 July 2026, 112 days ago. Advert duration calculated on 26 October 2026. Net asking-price reduction: £1,500 from the first recorded £26,950. 3 price reductions recorded, the latest observed on 19 September 2026.

Recorded asking prices
Date observedAsking price
6 July 2026£26,950
17 July 2026£26,950
23 July 2026£26,450
24 July 2026£26,450
11 August 2026£25,950
12 August 2026£25,950
19 September 2026£25,450
23 October 2026£25,450

Price and mileage comparison

Estimated market asking price: £25,633. The asking price is £183 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 20,100 miles lower than typical for a 2021 Mercedes-Benz GLB.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 19 December 2026. 18,565 miles at the last test.

7 other cars with the same year, trim, gearbox and fuel are for sale from £20,498 to £24,998.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£20,49879,726 miles
£20,99978,200 miles
£23,49934,626 miles
£24,97549,368 miles
£24,99033,100 miles

These cars have covered 20,863–79,726 miles, compared with 23,000 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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