2021 Mercedes-Benz GLB
2.0 AMG Line Premium Auto Euro 6 5dr
£19,990
Fair price: within 8% of the typical £20,092 for this model, age and mileage, drawing on 853 adverts of this make and model.
Overview
- Make
- Mercedes-Benz
- Model
- GLB
- Trim
- AMG LINE PREMIUM
- Version
- 2.0 AMG Line Premium Auto Euro 6 5dr
- Mileage
- 69,798 miles
- Year
- 2021
- Fuel type
- Diesel
- Body type
- SUV
- Engine
- 2.0 L
- Gearbox
- Automatic
- Seats
- 7
- CO2
- 155 g/km
- Colour
- Red
- Doors
- 5
- Emissions standard
- Euro 6
About this car
At 69,798 miles, this 2021 Mercedes-Benz GLB AMG Line Premium has covered about 25,800 more miles than other 2021 Mercedes-Benz GLB cars. Its asking price of £19,990 is £102 below our estimate of £20,092. We use UK dealer asking prices, including 853 Mercedes-Benz GLB listings, and account for the car’s age, mileage and specification. The asking price is now £2,305 lower than when we first recorded the advert 96 days ago. It may give you a starting point for a conversation about price. MOT records show an expiry date of 25 March 2027, and the latest recorded mileage is consistent with the advert. The seller is Group 1 Automotive Mercedes-Benz Of Kings Lynn, based in Kings Lynn.
Stock data from 27 October 2026.
Price history
First seen on 24 July 2026, 96 days ago. Advert duration calculated on 28 October 2026. Net asking-price reduction: £2,305 from the first recorded £22,295. 10 price reductions recorded, the latest observed on 22 September 2026.
| Date observed | Asking price |
|---|---|
| 24 July 2026 | £22,295 |
| 25 July 2026 | £22,295 |
| 29 July 2026 | £21,990 |
| 30 July 2026 | £21,990 |
| 31 July 2026 | £21,950 |
| 5 August 2026 | £21,795 |
| 6 August 2026 | £21,795 |
| 11 August 2026 | £21,495 |
| 18 August 2026 | £20,995 |
| 22 August 2026 | £20,795 |
| 27 August 2026 | £20,495 |
| 1 September 2026 | £20,395 |
| 8 September 2026 | £19,995 |
| 22 September 2026 | £19,495 |
| 25 October 2026 | £19,990 |
| 27 October 2026 | £19,990 |
Price and mileage comparison
Estimated market asking price: £20,092. The asking price is £102 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 853 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 25,800 miles higher than typical for a 2021 Mercedes-Benz GLB.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT valid until 25 March 2027. 65,558 miles at the last test.
17 other cars with the same year, trim, gearbox and fuel are for sale from £20,338 to £24,995.
| Asking price | Mileage |
|---|---|
| £20,338 | 64,540 miles |
| £20,338 | 64,540 miles |
| £20,390 | 63,650 miles |
| £20,675 | 71,128 miles |
| £21,299 | 37,436 miles |
These cars have covered 28,606–71,128 miles, compared with 69,798 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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