2021 Mercedes-Benz B Class 2.0 AMG Line Executive

Overview

• Make: Mercedes-Benz
• Model: B Class
• Trim: AMG Line Executive
• Version: 2.0 AMG Line Executive Auto FWD Euro 6 5dr
• Year: 2021
• Mileage: 31,360 miles
• Fuel: Diesel
• Body: MPV, 5 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Drive: Front-wheel drive
• Colour: Black
• CO2: 134 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 31,360 miles, this 2021 Mercedes-Benz B Class AMG Line Executive has covered about 4,700 fewer miles than other 2021 Mercedes-Benz B Class cars. Priced at £15,160, it is advertised £1,123 below the AskCar estimate of £16,283. The AskCar estimate uses 763 UK dealer adverts for the Mercedes-Benz B Class, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 20 days ago, and its asking price has since fallen by £680. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Evans Halshaw Ford Motherwell, based in Motherwell. 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: £1,123 (6%) under the AskCar estimate of £16,283.

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 2.0 diesel engine is typically advertised at £14,000: the median of the 10 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 20 days.

Price history

AskCar first saw this advert on 18 October 2026 at £15,840. Its asking price is now £15,160, £680 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 18 October 2026: £15,840
• 20 October 2026: £15,530
• 27 October 2026: £15,230
• 3 November 2026: £15,160

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 23 March 2027.

It has had 3 MOTs. The latest, on 4 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 28,302 miles, which matches the advertised 31,360 miles.

Advertised mileage is about 4,700 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 Executive 2.0 diesel automatic MPV is for sale at UK dealers, as of 7 November 2026.

The closest to this car in mileage:

• 2021 Mercedes-Benz B Class AMG Line Executive, 2.0 diesel MPV, black. Mileage: 35,944 miles. Price: £11,995, £3,165 less than this car. Dealer: Meadway Autoland in Birmingham. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2021-19169b6bda0d