2021 Mercedes-Benz B Class 1.3 B200 AMG Line Edition Executive

Price: £16,490. Fair price: £845 (4%) under the AskCar estimate of £17,335, our expected asking price for this car from its model, age, mileage and specification, drawing on 756 priced Mercedes-Benz B Class adverts on AskCar as of 8 November 2026.

AskCar lists 790 used Mercedes-Benz B Class from 630 UK dealerships, as of 8 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: B Class
  • Trim: AMG Line Edition Executive
  • Version: 1.3 B200 AMG Line Edition Executive DCT FWD Euro 6 (s/s) 5dr 7G (161 bhp)
  • Year: 2021
  • Mileage: 11,500 miles
  • Fuel: Petrol
  • Body: MPV, 5 doors, 5 seats
  • Engine: 1.3 litres, 161 bhp
  • Gearbox: Automatic (DCT)
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 140 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz B Class AMG Line Edition Executive has covered 11,500 miles, around 24,600 fewer miles than is typical for its age. The AskCar estimate for this car is £17,335. It is priced at £16,490, which is £845 below that estimate. The AskCar estimate uses 756 UK dealer adverts for the Mercedes-Benz B Class, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert today. The government's MOT record matches its advertised mileage. It is for sale at Southwick Car Centre in Nr Trowbridge. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £845 (4%) under the AskCar estimate of £17,335.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 756 priced Mercedes-Benz B Class adverts across different ages and specifications, as of 8 November 2026.

A 2021 Mercedes-Benz B Class with the 1.3 petrol engine is typically advertised at £16,700: the median of the 35 for sale on AskCar, as of 8 November 2026.

Time on sale

AskCar first saw this 2021 Mercedes-Benz B Class advertised today. About 4 in 10 of 2021 Mercedes-Benz B Class cars are gone from sale within a month of being advertised: 26 of the 64 first advertised between 13 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 8 November 2026 at £16,490. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 12 October 2027.

It has had 3 MOTs. The latest, on 6 October 2026, passed.

Advisories at the latest test: offside front tyre worn close to legal limit/worn on edge; offside front tyre has a cut but not deep enough to reach the ply or cords; nearside front tyre has a cut but not deep enough to reach the ply or cords; and 1 more.

Mileage at that test: 11,271 miles, which matches the advertised 11,500 miles.

Advertised mileage is about 24,600 miles lower than the median mileage of a 2021 Mercedes-Benz B Class on AskCar.

Similar cars

1 other 2021 Mercedes-Benz B Class AMG Line Edition Executive 1.3 petrol automatic MPV is for sale at UK dealers, as of 8 November 2026.

The closest to this car in mileage:

Browse all Mercedes-Benz B Class cars for sale · 2021 Mercedes-Benz B Class price guide

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Photos

1 photo of this car is on its AskCar page.

As of 8 November 2026, AskCar lists 595,762 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.