2020 Mercedes-Benz B Class 1.3 AMG Line Executive

Price: £14,700. Fair price: £333 (2%) under the AskCar estimate of £15,033, our expected asking price for this car from its model, age, mileage and specification, drawing on 763 priced Mercedes-Benz B Class adverts on AskCar as of 7 November 2026.

AskCar lists 800 used Mercedes-Benz B Class from 635 UK dealerships, as of 7 November 2026.

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: 2020
  • Mileage: 33,802 miles
  • Fuel: Petrol
  • Body: MPV, 5 doors, 5 seats
  • Engine: 1.3 litres
  • Gearbox: Automatic (DCT)
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 125 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 33,802 miles, this 2020 Mercedes-Benz B Class AMG Line Executive has covered about 4,400 fewer miles than other 2020 Mercedes-Benz B Class cars. Its asking price of £14,700 is £333 below the AskCar estimate of £15,033. The AskCar estimate uses 763 UK dealer adverts for the Mercedes-Benz B Class, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 56 days ago. Its asking price has since fallen by £300. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Select Wakefield, based in Wakefield. 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: £333 (2%) under the AskCar estimate of £15,033.

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 2020 Mercedes-Benz B Class with the 1.3 petrol engine is typically advertised at £15,000: the median of the 32 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 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 £15,000. Its asking price is now £14,700, £300 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

  • 12 September 2026: £15,000
  • 23 October 2026: £14,900
  • 28 October 2026: £14,800
  • 5 November 2026: £14,700

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 22 March 2027.

It has had 4 MOTs. The latest, on 23 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 30,821 miles, which matches the advertised 33,802 miles.

Advertised mileage is about 4,400 miles lower than the median mileage of a 2020 Mercedes-Benz B Class on AskCar.

Similar cars

8 other 2020 Mercedes-Benz B Class AMG Line Executive 1.3 petrol automatic MPVs are for sale at UK dealers, from £11,950 to £16,998, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2020 Mercedes-Benz B Class AMG Line Executive, 1.3 petrol MPV, white. Mileage: 35,000 miles. Price: £15,995, £1,295 more than this car. Dealer: Sandown Group Mercedes-Benz of Guildford in Guildford. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2020-52a4c6677b1d
  • 2020 Mercedes-Benz B Class AMG Line Executive, 1.3 petrol MPV, white. Mileage: 40,525 miles. Price: £14,295, £405 less than this car. Dealer: Omoda & Jaecoo Holdcroft Northwich in Northwich. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2020-5052f77b6740
  • 2020 Mercedes-Benz B Class AMG Line Executive, 1.3 petrol MPV, white. Mileage: 25,150 miles. Price: £16,998, £2,298 more than this car. Dealer: Arnold Clark Mercedes-Benz of Grangemouth in Grangemouth. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2020-009ce216b99b

Browse all Mercedes-Benz B Class cars for sale · 2020 Mercedes-Benz B Class price guide

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Photos

12 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.