2021 Mercedes-Benz B Class 1.3 AMG Line Premium Plus

Overview

• Make: Mercedes-Benz
• Model: B Class
• Trim: AMG Line Premium Plus
• Version: 1.3 AMG Line Premium Plus DCT FWD Euro 6 5dr
• Year: 2021
• Mileage: 42,787 miles
• Fuel: Petrol
• Body: MPV, 5 doors, 5 seats
• Engine: 1.3 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: White
• CO2: 142 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz B Class AMG Line Premium Plus is advertised with 42,787 miles, approximately 6,700 above the typical mileage for its age. The AskCar estimate for this car is £16,720. It is priced at £16,232, which is £488 below that estimate. 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 recorded this advert 29 days ago, and its asking price has since fallen by £742. Its advertised mileage matches the government's MOT record. The seller is Sandicliffe FordStore Leicester, based in Leicester. 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: £488 (2%) under the AskCar estimate of £16,720.

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 29 days.

Price history

AskCar first saw this advert on 9 October 2026 at £16,974. Its asking price is now £16,232, £742 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 9 October 2026: £16,974
• 10 October 2026: £16,284
• 13 October 2026: £16,076
• 16 October 2026: £16,069
• 17 October 2026: £16,019
• 20 October 2026: £16,160
• 22 October 2026: £16,173
• 23 October 2026: £16,171
• 24 October 2026: £16,169
• 28 October 2026: £16,828
• 7 November 2026: £16,232

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 8 October 2027.

It has had 4 MOTs. The latest, on 9 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 42,792 miles, which matches the advertised 42,787 miles.

Advertised mileage is about 6,700 miles higher than the median mileage of a 2021 Mercedes-Benz B Class on AskCar.

Similar cars

4 other 2021 Mercedes-Benz B Class AMG Line Premium Plus 1.3 petrol automatic MPVs are for sale at UK dealers, from £17,990 to £21,000, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz B Class AMG Line Premium Plus, 1.3 petrol MPV, white. Mileage: 28,903 miles. Price: £18,500, £2,268 more than this car. Dealer: Sytner Group Mercedes-Benz of Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2021-7109b4442833
• 2021 Mercedes-Benz B Class AMG Line Premium Plus, 1.3 petrol MPV, white. Mileage: 16,861 miles. Price: £17,990, £1,758 more than this car. Dealer: Riverside Volvo Doncaster in Doncaster. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2021-3cc58aeb64c3
• 2021 Mercedes-Benz B Class AMG Line Premium Plus, 1.3 petrol MPV, blue. Mileage: 14,925 miles. Price: £21,000, £4,768 more than this car. Dealer: Sytner Group Mercedes-Benz of Cheltenham & Gloucester in Cheltenham. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2021-927f6b03e1f0

• The nearest: 2021 Mercedes-Benz B Class AMG Line Premium Plus, 1.3 petrol MPV, white, 35 miles from this car. Mileage: 14,352 miles. Price: £18,499, £2,267 more than this car. Dealer: Available Car Supermarket - Sutton-In-Ashfield in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2021-31fd3763b45b