2021 Mercedes-Benz B Class 1.3 AMG Line Executive

Overview

• Make: Mercedes-Benz
• Model: B Class
• Trim: AMG Line Executive
• Version: 1.3 AMG Line Executive DCT FWD Euro 6 (s/s) 5dr 7G
• Year: 2021
• Mileage: 40,485 miles
• Fuel: Petrol
• Body: MPV, 5 doors, 5 seats
• Engine: 1.3 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 140 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz B Class AMG Line Executive has covered 40,485 miles, around 4,400 more miles than is typical for its age. Its asking price of £15,998 is £594 above the AskCar estimate of £15,404. The AskCar estimate draws on 763 Mercedes-Benz B Class adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 36 days ago. Its asking price has since fallen by £500. We checked its advertised mileage against the government's MOT record, and they match. The seller is Arnold Clark Wallsend Silverlink Citroen / Peugeot / Jeep / OMODA / JAECOO, based in Wallsend. 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: £594 (3%) over the AskCar estimate of £15,404.

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 petrol 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 36 days.

Price history

AskCar first saw this advert on 2 October 2026 at £16,498. Its asking price is now £15,998, £500 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 2 October 2026: £16,498
• 4 November 2026: £15,998

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 5 August 2027.

It has had 3 MOTs. The latest, on 22 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 39,212 miles, which matches the advertised 40,485 miles.

Advertised mileage is about 4,400 miles higher than the median mileage of a 2021 Mercedes-Benz B Class on AskCar.

Similar cars

10 other 2021 Mercedes-Benz B Class AMG Line Executive 1.3 petrol automatic MPVs are for sale at UK dealers, from £12,990 to £19,000, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz B Class AMG Line Executive, 1.3 petrol MPV, black. Mileage: 41,395 miles. Price: £13,999, £1,999 less than this car. Dealer: Snows Car Centre Plymouth in Plymouth. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2021-c3170d80e00a
• 2021 Mercedes-Benz B Class AMG Line Executive, 1.3 petrol MPV, black. Mileage: 36,291 miles. Price: £14,891, £1,107 less than this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2021-e466520fc539
• 2021 Mercedes-Benz B Class AMG Line Executive, 1.3 petrol MPV, black. Mileage: 36,167 miles. Price: £16,698, £700 more than this car. Dealer: Arnold Clark Glasgow Kia / OMODA / JAECOO in Glasgow. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2021-312e6c960889

• The nearest: 2021 Mercedes-Benz B Class AMG Line Executive, 1.3 petrol MPV, black, 90 miles from this car. Mileage: 46,447 miles. Price: £14,299, £1,699 less than this car. Dealer: Motorpoint Burnley in Burnley. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2021-9c81c21976e4