2021 Mercedes-Benz B Class 1.3 Sport

Overview

• Make: Mercedes-Benz
• Model: B Class
• Trim: Sport
• Version: 1.3 Sport DCT FWD Euro 6 5dr 7G
• Year: 2021
• Mileage: 29,951 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 Sport has covered 29,951 miles, around 6,100 fewer miles than is typical for its age. The dealer is asking £15,900, which is £370 above the AskCar estimate of £15,530. To work out the AskCar estimate, we analyse UK dealer adverts for 763 Mercedes-Benz B Class cars across different ages and specifications. We first saw this car advertised 56 days ago. Its asking price has since fallen by £700. We checked its advertised mileage against the government's MOT record, and they match. The seller is Sytner Select Bristol, based in Bristol. 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: £370 (2%) over the AskCar estimate of £15,530.

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 56 days.

Price history

AskCar first saw this advert on 12 September 2026 at £16,600. Its asking price is now £15,900, £700 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

• 12 September 2026: £16,600
• 16 October 2026: £16,400
• 24 October 2026: £16,200
• 7 November 2026: £15,900

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 11 July 2027.

It has had 3 MOTs. The latest, on 8 July 2026, passed.

Advisories at the latest test: nearside front tyre slightly damaged/cracking or perishing; offside rear tyre slightly damaged/cracking or perishing.

Mileage at that test: 28,707 miles, which matches the advertised 29,951 miles.

Advertised mileage is about 6,100 miles lower than the median mileage of a 2021 Mercedes-Benz B Class on AskCar.

Similar cars

1 other 2021 Mercedes-Benz B Class Sport 1.3 petrol automatic MPV is for sale at UK dealers, as of 7 November 2026.

The closest to this car in mileage:

• 2021 Mercedes-Benz B Class Sport, 1.3 petrol MPV, black. Mileage: 61,410 miles. Price: £13,495, £2,405 less than this car. Dealer: V12 Sports & Classics Ltd - Hinckley in Hinckley. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2021-06ab78ef10f7