2021 Mercedes-Benz B Class 1.3 B250e AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: B Class
• Trim: AMG Line Premium
• Version: 1.3 15.6kWh B250e AMG Line Premium DCT FWD Euro 6 (s/s) 5dr 8G (215 bhp)
• Year: 2021
• Mileage: 39,658 miles
• Fuel: Plug-in hybrid (petrol)
• Body: MPV, 5 doors, 5 seats
• Engine: 1.3 litres, 215 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: White
• CO2: 27 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz B Class AMG Line Premium has covered 39,658 miles, around 3,600 more miles than is typical for its age. The dealer is asking £15,000, which is £811 below the AskCar estimate of £15,811. To work out the AskCar estimate, we analyse UK dealer adverts for 763 Mercedes-Benz B Class cars across different ages and specifications. This car was first seen in our listings data 9 days ago. The government's MOT record matches its advertised mileage. It is for sale at MB Brent Park in London. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £811 (5%) under the AskCar estimate of £15,811.

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 763 priced Mercedes-Benz B Class adverts across different ages and specifications, as of 7 November 2026.

A 2021 Mercedes-Benz B Class with the 1.3 plug-in hybrid engine is typically advertised at £16,900: the median of the 37 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2021 Mercedes-Benz B Class has been on sale for at least 9 days.

Price history

AskCar first saw this advert on 29 October 2026 at £15,000. 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 7 November 2026: valid until 18 April 2027.

It has had 3 MOTs. The latest, on 16 April 2026, passed.

Advisories at the latest test: rear seat belts no tested cover on rear seats.

Mileage at that test: 36,004 miles, which matches the advertised 39,658 miles.

Advertised mileage is about 3,600 miles higher than the median mileage of a 2021 Mercedes-Benz B Class on AskCar.

Similar cars

2 other 2021 Mercedes-Benz B Class AMG Line Premium 1.3 plug-in hybrid automatic MPVs are for sale at UK dealers, from £15,270 to £19,750, as of 7 November 2026.

The 2 closest to this car in mileage:

• 2021 Mercedes-Benz B Class AMG Line Premium, 1.3 plug-in hybrid MPV, white. Mileage: 44,088 miles. Price: £15,270, £270 more than this car. Dealer: Dace Motor Company - Trading Standards Approved in Stockport. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2021-b00c66350f5b
• 2021 Mercedes-Benz B Class AMG Line Premium, 1.3 plug-in hybrid MPV, white. Mileage: 10,000 miles. Price: £19,750, £4,750 more than this car. Dealer: Vic Young (South Shields) in South Shields. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2021-22abf53d7723