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: 38,000 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

This 2021 Mercedes-Benz E Class AMG Line is advertised with 38,000 miles, approximately 7,400 below the typical mileage for its age. Priced at £29,995, it is advertised £457 below the AskCar estimate of £30,452. The AskCar estimate uses 2,924 UK dealer adverts for the Mercedes-Benz E Class, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 107 days ago, and its asking price has since fallen by £2,000. The government's MOT record matches its advertised mileage. It is for sale at Oasis Cars in Gravesend. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £457 (1%) under the AskCar estimate of £30,452.

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 107 days.

Price history

AskCar first saw this advert on 20 July 2026 at £31,995. Its asking price is now £29,995, £2,000 less. The latest price cut was seen on 1 September 2026.

Price changes recorded:

• 20 July 2026: £31,995
• 13 August 2026: £30,995
• 16 August 2026: £29,995
• 1 September 2026: £29,475
• 24 September 2026: £29,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 20 May 2027.

It failed its MOT on 18 May 2026 (windscreen washer provides insufficient washer liquid; offside front tyre has a bulge, caused by separation or partial failure of its structure; nearside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords; and 1 more) and passed 1 day later, on 19 May 2026.

There were no advisories at the latest test.

Mileage at that test: 37,913 miles, which matches the advertised 38,000 miles.

Advertised mileage is about 7,400 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 £34,995, 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, £2,097 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, grey. Mileage: 14,250 miles. Price: £34,995, £5,000 more than this car. Dealer: Howard-Johnston in Edinburgh. AskCar page: https://askcar.co.uk/car/mercedes-benz-e-class-2021-c665a4a42da3