2021 Mercedes-Benz A Class 2.0 AMG Line

Price: £16,998. Fair price: £875 (5%) over the AskCar estimate of £16,123, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,765 priced Mercedes-Benz A Class adverts on AskCar as of 6 November 2026.

AskCar lists 6,957 used Mercedes-Benz A Class from 2,702 UK dealerships, as of 6 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: A Class
  • Trim: AMG Line
  • Version: 2.0 AMG Line Auto FWD Euro 6 4dr
  • Year: 2021
  • Mileage: 50,400 miles
  • Fuel: Diesel
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 2.0 litres
  • Gearbox: Automatic
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 131 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz A Class AMG Line has covered 50,400 miles, around 8,900 more miles than is typical for its age. The AskCar estimate for this car is £16,123. It is priced at £16,998, which is £875 above that estimate. The AskCar estimate draws on 6,765 Mercedes-Benz A Class adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 2 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Linwood Vauxhall / Jeep / Alfa Romeo, based in Linwood. 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: £875 (5%) over the AskCar estimate of £16,123.

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 6,765 priced Mercedes-Benz A Class adverts across different ages and specifications, as of 6 November 2026.

A 2021 Mercedes-Benz A Class with the 2.0 diesel engine is typically advertised at £17,800: the median of the 274 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2021 Mercedes-Benz A Class advertised 2 days ago. About half of 2021 Mercedes-Benz A Class cars are gone from sale within a month of being advertised: 572 of the 1,056 first advertised between 8 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £16,998. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 25 October 2027.

It has had 4 MOTs. The latest, on 26 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 50,400 miles, which matches the advertised 50,400 miles.

Advertised mileage is about 8,900 miles higher than the median mileage of a 2021 Mercedes-Benz A Class on AskCar.

Similar cars

19 other 2021 Mercedes-Benz A Class AMG Line 2.0 diesel automatic saloons are for sale at UK dealers, from £13,790 to £18,900, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2021 Mercedes-Benz A Class AMG Line, 2.0 diesel saloon, black. Mileage: 50,935 miles. Price: £16,500, £498 less than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/mercedes-benz-a-class-2021-3f55ad3bbd49
  • 2021 Mercedes-Benz A Class AMG Line, 2.0 diesel saloon, grey. Mileage: 49,356 miles. Price: £16,980, the same price as this car. Dealer: Ilkley Motor Company in Ilkley. AskCar page: https://askcar.co.uk/car/mercedes-benz-a-class-2021-15b28d83dc71
  • 2021 Mercedes-Benz A Class AMG Line, 2.0 diesel saloon, grey. Mileage: 51,683 miles. Price: £15,990, £1,008 less than this car. Dealer: Stratstone Mercedes-Benz of Southend in Thundersley and South Benfleet. AskCar page: https://askcar.co.uk/car/mercedes-benz-a-class-2021-c3d5785ca821
  • The nearest: 2021 Mercedes-Benz A Class AMG Line, 2.0 diesel saloon, white, 113 miles from this car. Mileage: 73,000 miles. Price: £17,495, £497 more than this car. Dealer: MC Autosales in Magherafelt. AskCar page: https://askcar.co.uk/car/mercedes-benz-a-class-2021-49e44c20a954

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

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Photos

20 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.