2021 Mercedes-Benz B Class 1.3 B180 AMG Line Executive

Overview

• Make: Mercedes-Benz
• Model: B Class
• Trim: AMG Line Executive
• Version: 1.3 B180 AMG Line Executive DCT FWD Euro 6 (s/s) 5dr 7G (134 bhp)
• Year: 2021
• Mileage: 41,395 miles
• Fuel: Petrol
• Body: MPV, 5 doors, 5 seats
• Engine: 1.3 litres, 134 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 142 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 41,395 miles, this 2021 Mercedes-Benz B Class AMG Line Executive has covered about 10,000 more miles than other 2021 Mercedes-Benz B Class cars. Priced at £13,999, it is advertised £355 below the AskCar estimate of £14,354. To work out the AskCar estimate, we analyse UK dealer adverts for 766 Mercedes-Benz B Class cars across different ages and specifications. The asking price is now £748 lower than when we first recorded the advert 86 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Snows Car Centre Plymouth, based in Plymouth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £355 (2%) under the AskCar estimate of £14,354.

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 766 priced Mercedes-Benz B Class adverts across different ages and specifications, as of 5 November 2026.

A 2021 Mercedes-Benz B Class with the 1.3 petrol engine is typically advertised at £16,900: the median of the 36 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2021 Mercedes-Benz B Class has been on sale for at least 86 days.

Price history

AskCar first saw this advert on 11 August 2026 at £14,747. Its asking price is now £13,999, £748 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 11 August 2026: £14,747
• 28 August 2026: £14,423
• 19 September 2026: £14,036
• 21 October 2026: £13,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 4 January 2027.

It has had 4 MOTs. The latest, on 5 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 38,056 miles, which matches the advertised 41,395 miles.

Advertised mileage is about 10,000 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 5 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz B Class AMG Line Executive, 1.3 petrol MPV, blue. Mileage: 40,485 miles. Price: £15,998, £1,999 more than this car. Dealer: Arnold Clark Wallsend Silverlink Citroen / Peugeot / Jeep / OMODA / JAECOO in Wallsend. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2021-206298849dbf
• 2021 Mercedes-Benz B Class AMG Line Executive, 1.3 petrol MPV, black. Mileage: 46,447 miles. Price: £14,649, £650 more than this car. Dealer: Motorpoint Burnley in Burnley. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2021-9c81c21976e4
• 2021 Mercedes-Benz B Class AMG Line Executive, 1.3 petrol MPV, black. Mileage: 36,291 miles. Price: £14,896, £897 more than this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2021-e466520fc539

• The nearest: 2021 Mercedes-Benz B Class AMG Line Executive, 1.3 petrol MPV, white, 73 miles from this car. Mileage: 3,718 miles. Price: £18,495, £4,496 more than this car. Dealer: Sandown Group Mercedes-Benz of Dorchester in Dorchester. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2021-a31130ce6842