2021 Mercedes-Benz B Class

1.3 AMG Line Executive DCT FWD Euro 6 (s/s) 5dr 7G

£16,999

Fair price: within 8% of the typical £17,067 for this model, age and mileage, drawing on 738 adverts of this make and model.

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
Mileage: 23,607 miles
Year: 2021
Fuel type: Petrol
Body type: MPV
Engine: 1.3 L
Gearbox: Automatic
Seats: 5
CO2: 140 g/km
Colour: Silver
Doors: 5
Driven wheels: Front Wheel Drive
Gearbox version: DCT
Emissions standard: Euro 6

About this car

With 23,607 miles on the clock, this 2021 Mercedes-Benz B Class AMG Line Executive has done roughly 9,900 fewer miles than a typical 2021 Mercedes-Benz B Class. Our estimated market asking price is £17,067. This car is advertised at £16,999, which is £68 below that figure. To estimate its market asking price, we analyse UK dealer adverts for 738 Mercedes-Benz B Class cars across different ages and specifications. Since we first spotted the advert 137 days ago, the asking price has dropped by £1,000. It may give you a starting point for a conversation about price. MOT records show an expiry date of 30 March 2027, and the latest recorded mileage is consistent with the advert. It is for sale at Available Car Supermarket - Castle Donington in Castle Donnington.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 10 June 2026, 137 days ago. Advert duration calculated on 25 October 2026. Net asking-price reduction: £1,000 from the first recorded £17,999. 3 price reductions recorded, the latest observed on 25 September 2026.

Recorded asking prices
Date observed	Asking price
6 July 2026	£17,999
8 August 2026	£17,699
28 August 2026	£17,199
25 September 2026	£16,999
23 October 2026	£16,999

Price and mileage comparison

Estimated market asking price: £17,067. The asking price is £68 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 738 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 9,900 miles lower than typical for a 2021 Mercedes-Benz B Class.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 30 March 2027. 22,897 miles at the last test.

10 other cars with the same year, trim, gearbox and fuel are for sale from £12,990 to £17,020.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£12,990	79,667 miles
£13,998	69,387 miles
£13,999	41,395 miles
£14,749	46,447 miles
£14,946	36,291 miles

These cars have covered 8,585–79,667 miles, compared with 23,607 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Mercedes-Benz B Class cars for sale · 2021 Mercedes-Benz B Class price guide

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos

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