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: 36,167 miles
• Fuel: Petrol
• Body: MPV, 5 doors, 5 seats
• Engine: 1.3 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 140 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz B Class AMG Line Executive has covered 36,167 miles. The AskCar estimate for this car is £15,783. It is priced at £16,698, which is £915 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 763 Mercedes-Benz B Class cars across different ages and specifications. Since we first spotted the advert 22 days ago, the asking price has dropped by £300. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Glasgow Kia / OMODA / JAECOO, based in Glasgow. 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: £915 (5%) over the AskCar estimate of £15,783.

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 22 days.

Price history

AskCar first saw this advert on 16 October 2026 at £16,998. Its asking price is now £16,698, £300 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 16 October 2026: £16,998
• 28 October 2026: £16,698

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 20 September 2027.

It has had 4 MOTs. The latest, on 21 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 35,530 miles, which matches the advertised 36,167 miles.

Advertised mileage is about 100 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: 36,291 miles. Price: £14,891, £1,807 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, blue. Mileage: 40,485 miles. Price: £15,998, £700 less 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: 41,395 miles. Price: £13,999, £2,699 less than this car. Dealer: Snows Car Centre Plymouth in Plymouth. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2021-c3170d80e00a

• The nearest: 2021 Mercedes-Benz B Class AMG Line Executive, 1.3 petrol MPV, white, 9 miles from this car. Mileage: 8,585 miles. Price: £16,950, £252 more than this car. Dealer: Evans Halshaw Ford Coatbridge in Coatbridge. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2021-66709a487572