2021 Mercedes-Benz A Class 2.0 AMG Line

Overview

• Make: Mercedes-Benz
• Model: A Class
• Trim: AMG Line
• Version: 2.0 AMG Line Auto FWD Euro 6 4dr
• Year: 2021
• Mileage: 21,663 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 is advertised with 21,663 miles, approximately 20,500 below the typical mileage for its age. The dealer is asking £18,900, which is £566 above the AskCar estimate of £18,334. To work out the AskCar estimate, we analyse UK dealer adverts for 6,710 Mercedes-Benz A Class cars across different ages and specifications. The asking price is now £1,300 lower than when we first recorded the advert 57 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Select Cardiff, based in Cardiff. 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: £566 (3%) over the AskCar estimate of £18,334.

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 6,710 priced Mercedes-Benz A Class adverts across different ages and specifications, as of 7 November 2026.

A 2021 Mercedes-Benz A Class with the 2.0 diesel engine is typically advertised at £17,700: the median of the 274 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2021 Mercedes-Benz A Class has been on sale for at least 57 days.

Price history

AskCar first saw this advert on 11 September 2026 at £20,200. Its asking price is now £18,900, £1,300 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 11 September 2026: £20,200
• 25 September 2026: £19,900
• 9 October 2026: £19,400
• 21 October 2026: £19,250
• 30 October 2026: £18,900

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 30 March 2027.

It has had 3 MOTs. The latest, on 28 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 20,330 miles, which matches the advertised 21,663 miles.

Advertised mileage is about 20,500 miles lower 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 £17,980, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2021 Mercedes-Benz A Class AMG Line, 2.0 diesel saloon, black. Mileage: 31,386 miles. Price: £17,499, £1,401 less than this car. Dealer: HPL Stockport in Stockport. AskCar page: https://askcar.co.uk/car/mercedes-benz-a-class-2021-06bf25d16ab6
• 2021 Mercedes-Benz A Class AMG Line, 2.0 diesel saloon, silver. Mileage: 32,449 miles. Price: £15,210, £3,690 less than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/mercedes-benz-a-class-2021-fa0d418ddf01
• 2021 Mercedes-Benz A Class AMG Line, 2.0 diesel saloon, black. Mileage: 37,000 miles. Price: £17,980, £920 less than this car. Dealer: The Car Arena in Kimberley. AskCar page: https://askcar.co.uk/car/mercedes-benz-a-class-2021-86e27c432e8a

• The nearest: 2021 Mercedes-Benz A Class AMG Line, 2.0 diesel saloon, black, 89 miles from this car. Mileage: 68,106 miles. Price: £13,790, £5,110 less than this car. Dealer: Anchor Cars in Reading. AskCar page: https://askcar.co.uk/car/mercedes-benz-a-class-2021-7970da8030b9