2021 Mercedes-Benz B Class
1.3 AMG Line Auto FWD Euro 6 5dr
£19,589
Fair price: within 8% of the typical £18,186 for this model, age and mileage, drawing on 781 adverts of this make and model.
Overview
- Make
- Mercedes-Benz
- Model
- B Class
- Trim
- AMG LINE
- Version
- 1.3 AMG Line Auto FWD Euro 6 5dr
- Mileage
- 20,380 miles
- Year
- 2021
- Fuel type
- Petrol
- Body type
- MPV
- Engine
- 1.3 L
- Gearbox
- Automatic
- Seats
- 5
- CO2
- 140 g/km
- Colour
- Silver
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Engine badge
- AMG Line
- Emissions standard
- Euro 6
About this car
At 20,380 miles, this 2021 Mercedes-Benz B Class AMG Line has covered about 13,100 fewer miles than other 2021 Mercedes-Benz B Class cars. Its asking price of £19,589 is £1,403 above our estimate of £18,186. Our estimate draws on 781 Mercedes-Benz B Class adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 24 days. The latest recorded MOT expiry date is 6 September 2026, which has passed. Confirm its status with the dealer. The latest recorded MOT mileage is consistent with the advertised figure. You can find this car at D.g. Weaver in Pontyclun.
Stock data from 22 October 2026.
Price history
First seen on 29 September 2026, 24 days ago. Advert duration calculated on 23 October 2026.
| Date observed | Asking price |
|---|---|
| 29 September 2026 | £19,589 |
| 22 October 2026 | £19,589 |
Price and mileage comparison
Estimated market asking price: £18,186. The asking price is £1,403 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 781 adverts of this make and model across different ages and specifications.
Advertised mileage is approximately 13,100 miles lower than typical for a 2021 Mercedes-Benz B Class.
The advertised mileage is consistent with the last MOT reading.
The recorded MOT has expired; ask the dealer for an up-to-date MOT.
MOT
MOT not valid until 6 September 2026. 19,232 miles at the last test.
1 other cars with the same year, trim, gearbox and fuel are for sale from £16,995 to £16,995.
| Asking price | Mileage |
|---|---|
| £16,995 | 39,570 miles |
These cars have covered 39,570 miles, compared with 20,380 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 B Class cars for sale · 2021 Mercedes-Benz B Class price guide
How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.