2020 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: 2020
• Mileage: 21,844 miles
• Fuel: Petrol
• Body: MPV, 5 doors, 5 seats
• Engine: 1.3 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 141 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz B Class Sport is advertised with 21,844 miles, approximately 16,400 below the typical mileage for its age. The dealer is asking £15,740, which is £304 above the AskCar estimate of £15,436. To work out the AskCar estimate, we analyse UK dealer adverts for 770 Mercedes-Benz B Class cars across different ages and specifications. We first saw this car advertised 76 days ago. Its asking price has since fallen by £1,199. The recorded MOT expired on 22 September 2026, so ask the dealer whether it has been renewed. We checked its advertised mileage against the government's MOT record, and they match. The seller is Stratstone Mercedes-Benz of Lakeside, based in West Thurrock. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £304 (1%) over the AskCar estimate of £15,436.

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 770 priced Mercedes-Benz B Class adverts across different ages and specifications, as of 6 November 2026.

A 2020 Mercedes-Benz B Class with the 1.3 petrol engine is typically advertised at £15,200: the median of the 33 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2020 Mercedes-Benz B Class has been on sale for at least 76 days.

Price history

AskCar first saw this advert on 22 August 2026 at £16,939. Its asking price is now £15,740, £1,199 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 22 August 2026: £16,939
• 5 September 2026: £16,750
• 17 September 2026: £16,690
• 22 September 2026: £16,725
• 3 October 2026: £16,490
• 10 October 2026: £16,690
• 24 October 2026: £15,990
• 27 October 2026: £15,740

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: the latest record we hold ran out on 22 September 2026; ask the dealer for the current MOT.

It failed its MOT on 6 September 2025 (horn not working; offside windscreen wiper does not clear the windscreen effectively) and passed 9 days later, on 15 September 2025.

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

Mileage at that test: 18,988 miles, which matches the advertised 21,844 miles.

Advertised mileage is about 16,400 miles lower than the median mileage of a 2020 Mercedes-Benz B Class on AskCar.

Similar cars

3 other 2020 Mercedes-Benz B Class Sport 1.3 petrol automatic MPVs are for sale at UK dealers, from £13,589 to £15,395, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz B Class Sport, 1.3 petrol MPV, blue. Mileage: 32,209 miles. Price: £15,395, £345 less than this car. Dealer: Omoda & Jaecoo Holdcroft Northwich in Northwich. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2020-031cc308b3ed
• 2020 Mercedes-Benz B Class Sport, 1.3 petrol MPV, red. Mileage: 38,410 miles. Price: £14,995, £745 less than this car. Dealer: Baglan Car Centre in Port Talbot. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2020-4ea5ca4c5222
• 2020 Mercedes-Benz B Class Sport, 1.3 petrol MPV, black. Mileage: 56,716 miles. Price: £13,589, £2,151 less than this car. Dealer: Driven Car Sales in Stockton-on-Tees. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2020-f2d02b8968d0