2021 Mercedes-Benz A Class
Price: £18,500. Fair price: £1,149 (5%) under the AskCar estimate of £19,649, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,679 priced Mercedes-Benz A Class adverts on AskCar as of 8 November 2026.
AskCar lists 6,954 used Mercedes-Benz A Class from 2,694 UK dealerships, as of 8 November 2026.
Overview
- Make: Mercedes-Benz
- Model: A Class
- Version: Auto 5dr
- Year: 2021
- Mileage: 48,741 miles
- Fuel: Diesel
- Body: Hatchback, 5 doors, 5 seats
- Gearbox: Automatic
- Colour: Black
- CO2: 121 g/km
About this car
At 48,741 miles, this 2021 Mercedes-Benz A Class has covered about 6,600 more miles than other 2021 Mercedes-Benz A Class cars. The AskCar estimate for this car is £19,649. It is priced at £18,500, which is £1,149 below that estimate. The AskCar estimate uses 6,679 UK dealer adverts for the Mercedes-Benz A Class, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 21 days ago. Its asking price has since fallen by £250. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Group Mercedes-Benz of Milton Keynes, based in Milton Keynes. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Fair price: £1,149 (5%) under the AskCar estimate of £19,649.
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 6,679 priced Mercedes-Benz A Class adverts across different ages and specifications, as of 8 November 2026.
Time on sale
This 2021 Mercedes-Benz A Class has been on sale for at least 21 days.
Price history
AskCar first saw this advert on 18 October 2026 at £18,750. Its asking price is now £18,500, £250 less. The latest price cut was seen on 31 October 2026.
Price changes recorded:
- 18 October 2026: £18,750
- 31 October 2026: £18,500
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 1 July 2027.
It has had 4 MOTs. The latest, on 2 July 2026, passed.
Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge.
Mileage at that test: 45,621 miles, which matches the advertised 48,741 miles.
Advertised mileage is about 6,600 miles higher than the median mileage of a 2021 Mercedes-Benz A Class on AskCar.
Browse all Mercedes-Benz A Class cars for sale · 2021 Mercedes-Benz A Class price guide
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- Used Mercedes-Benz A Class for sale near Milton Keynes
Photos
28 photos of this car are on its AskCar page.
As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.