2021 Mercedes-Benz GLB

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

£23,499

Fair price: within 8% of the typical £24,344 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
34,626 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
White
Doors
5
Driven wheels
Front Wheel Drive
Engine badge
GLB200
Emissions standard
Euro 6

About this car

At 34,626 miles, this 2021 Mercedes-Benz GLB AMG Line Premium Plus has covered about 8,500 fewer miles than other 2021 Mercedes-Benz GLB cars. Our estimated market asking price is £24,344. This car is advertised at £23,499, which is £845 below that figure. Our estimate draws on 876 Mercedes-Benz GLB adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. The asking price is now £750 lower than when we first recorded the advert 46 days ago. Its MOT is recorded as valid until 19 March 2027. The advertised mileage is consistent with the latest MOT reading. It is for sale at Prestige Motor Trader in Croydon.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 10 September 2026, 46 days ago. Advert duration calculated on 26 October 2026. Net asking-price reduction: £750 from the first recorded £24,249. 2 price reductions recorded, the latest observed on 15 October 2026.

Recorded asking prices
Date observedAsking price
10 September 2026£24,249
2 October 2026£23,868
15 October 2026£23,499
23 October 2026£23,499

Price and mileage comparison

Estimated market asking price: £24,344. The asking price is £845 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 8,500 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 March 2027. 28,500 miles at the last test.

7 other cars with the same year, trim, gearbox and fuel are for sale from £20,498 to £25,450.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£20,49879,726 miles
£20,99978,200 miles
£24,97549,368 miles
£24,99033,100 miles
£24,99043,100 miles

These cars have covered 20,863–79,726 miles, compared with 34,626 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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