2021 Mercedes-Benz GLB

1.3 AMG Line Auto FWD Euro 6 5dr (160 bhp)

£21,513

Fair price: within 8% of the typical £21,993 for this model, age and mileage, drawing on 876 adverts of this make and model.

Overview

Make
Mercedes-Benz
Model
GLB
Trim
AMG LINE
Version
1.3 AMG Line Auto FWD Euro 6 5dr (160 bhp)
Mileage
29,244 miles
Year
2021
Fuel type
Petrol
Body type
SUV
Engine
1.3 L
Gearbox
Automatic
Power
160 bhp
Seats
7
CO2
163 g/km
Colour
White
Doors
5
Driven wheels
Front Wheel Drive
Engine badge
GLB200
Emissions standard
Euro 6

About this car

This 2021 Mercedes-Benz GLB AMG Line has covered 29,244 miles, around 13,900 fewer than typical for its age. At £21,513, it is advertised £480 below our estimated market asking price of £21,993. The estimate uses 876 UK dealer adverts for the Mercedes-Benz GLB, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 11 days ago, and its asking price has since fallen by £186. Its MOT is recorded as valid until 3 September 2027. The advertised mileage is consistent with the latest MOT reading. It is for sale at Vindis Group Three10 Automotive in Huntingdon.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 14 October 2026, 11 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £186 from the first recorded £21,699. 5 price reductions recorded, the latest observed on 23 October 2026.

Recorded asking prices
Date observedAsking price
14 October 2026£21,699
15 October 2026£21,671
16 October 2026£21,862
17 October 2026£21,833
21 October 2026£21,531
22 October 2026£21,522
23 October 2026£21,513

Price and mileage comparison

Estimated market asking price: £21,993. The asking price is £480 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 13,900 miles lower than typical for a 2021 Mercedes-Benz GLB.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 3 September 2027. 28,707 miles at the last test.

27 other cars with the same year, trim, gearbox and fuel are for sale from £15,795 to £23,000.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£15,795101,000 miles
£15,99095,412 miles
£16,80087,258 miles
£18,19971,750 miles
£18,49565,560 miles

These cars have covered 19,431–101,000 miles, compared with 29,244 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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