2021 Mercedes-Benz E Class 2.9 E400d AMG Line

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: 18,444 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.9 litres, 335 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 193 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 18,444 miles on the clock, this 2021 Mercedes-Benz E Class AMG Line has done roughly 27,000 fewer miles than a typical 2021 Mercedes-Benz E Class. The AskCar estimate for this car is £33,552. It is priced at £27,898, which is £5,654 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 2,927 Mercedes-Benz E Class cars across different ages and specifications. We first recorded this advert 45 days ago, and its asking price has since fallen by £2,001. Its advertised mileage matches the government's MOT record. The seller is Eastern Western Motor Group Mercedes-Benz of Edinburgh Fort Kinnaird, based in Edinburgh. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Good value: £5,654 (16%) under the AskCar estimate of £33,552.

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 2,927 priced Mercedes-Benz E Class adverts across different ages and specifications, as of 5 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 5 November 2026.

Time on sale

This 2021 Mercedes-Benz E Class has been on sale for at least 45 days.

Price history

AskCar first saw this advert on 21 September 2026 at £29,899. Its asking price is now £27,898, £2,001 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 21 September 2026: £29,899
• 10 October 2026: £28,898
• 17 October 2026: £28,498
• 28 October 2026: £27,898

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 26 September 2027.

It has had 3 MOTs. The latest, on 10 September 2026, passed.

Advisories at the latest test: nearside front tyre has a cut but not deep enough to reach the ply or cords; nearside front tyre worn close to legal limit/worn on edge worn on outer edge; offside front tyre worn close to legal limit/worn on edge worn on outer edge.

Mileage at that test: 18,395 miles, which matches the advertised 18,444 miles.

Advertised mileage is about 27,000 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 £29,995 to £34,995, as of 5 November 2026.

The 2 closest to this car in mileage:

• 2021 Mercedes-Benz E Class AMG Line, 2.9 diesel convertible, grey. Mileage: 14,250 miles. Price: £34,995, £7,097 more than this car. Dealer: Howard-Johnston in Edinburgh. AskCar page: https://askcar.co.uk/car/mercedes-benz-e-class-2021-c665a4a42da3
• 2021 Mercedes-Benz E Class AMG Line, 2.9 diesel convertible, black. Mileage: 38,000 miles. Price: £29,995, £2,097 more than this car. Dealer: Oasis Cars in Gravesend. AskCar page: https://askcar.co.uk/car/mercedes-benz-e-class-2021-b677b8fffc37