2021 Mercedes-Benz E Class 2.9 E400d AMG Line
Price: £34,995. Fair price: £850 (2%) over the AskCar estimate of £34,145, our expected asking price for this car from its model, age, mileage and specification, drawing on 2,924 priced Mercedes-Benz E Class adverts on AskCar as of 4 November 2026.
AskCar lists 3,084 used Mercedes-Benz E Class from 1,659 UK dealerships, as of 4 November 2026.
Overview
- Make: Mercedes-Benz
- Model: E Class
- Trim: AMG Line
- Version: 2.9 E400d AMG Line G-Tronic+ 4WD Euro 6 (s/s) 2dr Cabriolet (335 bhp)
- Year: 2021
- Mileage: 14,250 miles
- Fuel: Diesel
- Body: Convertible, 2 doors, 4 seats
- Engine: 2.9 litres, 335 bhp
- Gearbox: Automatic (G-Tronic+)
- Drive: Four-wheel drive
- Colour: Grey
- CO2: 193 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 14,250 miles, this 2021 Mercedes-Benz E Class AMG Line has covered about 31,100 fewer miles than other 2021 Mercedes-Benz E Class cars. The AskCar estimate for this car is £34,145. It is priced at £34,995, which is £850 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 2,924 Mercedes-Benz E Class cars across different ages and specifications. We first saw this car advertised 157 days ago. Its asking price has since fallen by £5,000. It is advertised by Howard-Johnston in Edinburgh. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £850 (2%) over the AskCar estimate of £34,145.
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 2,924 priced Mercedes-Benz E Class adverts across different ages and specifications, as of 4 November 2026.
A 2021 Mercedes-Benz E Class with the 2.9 diesel engine is typically advertised at £30,000: the median of the 19 for sale on AskCar, as of 4 November 2026.
Time on sale
This 2021 Mercedes-Benz E Class has been on sale for at least 157 days.
Price history
AskCar first saw this advert on 31 May 2026 at £39,995. Its asking price is now £34,995, £5,000 less. The latest price cut was seen on 16 June 2026.
Price changes recorded:
- 31 May 2026: £39,995
- 16 June 2026: £34,995
Mileage and MOT
Advertised mileage is about 31,100 miles lower than the median mileage of a 2021 Mercedes-Benz E Class on AskCar.
Similar cars
2 other 2021 Mercedes-Benz E Class AMG Line 2.9 diesel automatic convertibles are for sale at UK dealers, from £27,898 to £29,995, as of 4 November 2026.
The 2 closest to this car in mileage:
- 2021 Mercedes-Benz E Class AMG Line, 2.9 diesel convertible, black. Mileage: 18,444 miles. Price: £27,898, £7,097 less than this car. Dealer: Eastern Western Motor Group Mercedes-Benz of Edinburgh Fort Kinnaird in Edinburgh. AskCar page: https://askcar.co.uk/car/mercedes-benz-e-class-2021-8325f8f27883
- 2021 Mercedes-Benz E Class AMG Line, 2.9 diesel convertible, black. Mileage: 38,000 miles. Price: £29,995, £5,000 less than this car. Dealer: Oasis Cars in Gravesend. AskCar page: https://askcar.co.uk/car/mercedes-benz-e-class-2021-b677b8fffc37
Browse all Mercedes-Benz E Class cars for sale · 2021 Mercedes-Benz E Class price guide
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- Used Mercedes-Benz E Class AMG Line prices
- Used diesel Mercedes-Benz E Class for sale
- Used Mercedes-Benz E Class for sale near Edinburgh
Photos
33 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.