2021 Mercedes-Benz B Class 1.3 AMG Line Executive

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: 2021
• Mileage: 16,516 miles
• Fuel: Petrol
• Body: MPV, 5 doors, 5 seats
• Engine: 1.3 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 140 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 16,516 miles on the clock, this 2021 Mercedes-Benz B Class AMG Line Executive has done roughly 19,500 fewer miles than a typical 2021 Mercedes-Benz B Class. Priced at £19,000, it is advertised £1,558 above the AskCar estimate of £17,442. The AskCar estimate draws on 770 Mercedes-Benz B Class adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 23 days ago, and its asking price has since fallen by £500. The government's MOT record matches its advertised mileage. It is for sale at Sytner Group Mercedes-Benz of Colindale in The Hyde. 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

Above the going rate: £1,558 (8%) over the AskCar estimate of £17,442.

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 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 6 November 2026.

Time on sale

This 2021 Mercedes-Benz B Class has been on sale for at least 23 days.

Price history

AskCar first saw this advert on 14 October 2026 at £19,500. Its asking price is now £19,000, £500 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 14 October 2026: £19,500
• 4 November 2026: £19,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 22 February 2027.

It has had 3 MOTs. The latest, on 23 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 14,989 miles, which matches the advertised 16,516 miles.

Advertised mileage is about 19,500 miles lower than the median mileage of a 2021 Mercedes-Benz B Class on AskCar.

Similar cars

10 other 2021 Mercedes-Benz B Class AMG Line Executive 1.3 petrol automatic MPVs are for sale at UK dealers, from £12,990 to £18,495, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz B Class AMG Line Executive, 1.3 petrol MPV, silver. Mileage: 23,607 miles. Price: £16,999, £2,001 less than this car. Dealer: Available Car Supermarket - Castle Donington in Castle Donington. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2021-ae869eb82af5
• 2021 Mercedes-Benz B Class AMG Line Executive, 1.3 petrol MPV, white. Mileage: 8,585 miles. Price: £16,950, £2,050 less than this car. Dealer: Evans Halshaw Ford Coatbridge in Coatbridge. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2021-66709a487572
• 2021 Mercedes-Benz B Class AMG Line Executive, 1.3 petrol MPV, grey. Mileage: 28,000 miles. Price: £15,995, £3,005 less than this car. Dealer: Waterside Motors in Blackpool. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2021-5aff468b3839

• The nearest: 2021 Mercedes-Benz B Class AMG Line Executive, 1.3 petrol MPV, grey, 22 miles from this car. Mileage: 79,667 miles. Price: £12,990, £6,010 less than this car. Dealer: Jan Autos in Luton. AskCar page: https://askcar.co.uk/car/mercedes-benz-b-class-2021-1df0262339ab