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: 14,352 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

At 14,352 miles, this 2021 Mercedes-Benz B Class AMG Line Premium Plus has covered about 21,700 fewer miles than other 2021 Mercedes-Benz B Class cars. Priced at £18,499, it is advertised £794 below the AskCar estimate of £19,293. The AskCar estimate uses UK dealer asking prices, including 763 Mercedes-Benz B Class adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 46 days ago. Its advertised mileage matches the government's MOT record. The seller is Available Car Supermarket - Sutton-In-Ashfield, based in Sutton-in-Ashfield. 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: £794 (4%) under the AskCar estimate of £19,293.

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 46 days.

Price history

AskCar first saw this advert on 22 September 2026 at £18,499. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 18 February 2027.

It has had 3 MOTs. The latest, on 2 February 2026, passed.

Advisories at the latest test: tyre worn close to legal limit/worn on edge all 4 tyres are low.

Mileage at that test: 13,364 miles, which matches the advertised 14,352 miles.

Advertised mileage is about 21,700 miles lower 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 £16,232 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, blue. Mileage: 14,925 miles. Price: £21,000, £2,501 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
• 2021 Mercedes-Benz B Class AMG Line Premium Plus, 1.3 petrol MPV, white. Mileage: 16,861 miles. Price: £17,990, £509 less 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, white. Mileage: 28,903 miles. Price: £18,500, the same price as 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