2020 Mercedes-Benz C Class 2.0 C300d AMG Line

Overview

• Make: Mercedes-Benz
• Model: C Class
• Trim: AMG Line
• Version: 2.0 C300d AMG Line G-Tronic+ RWD Euro 6 (s/s) 2dr (242 bhp)
• Year: 2020
• Mileage: 73,326 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 242 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz C Class AMG Line has covered 73,326 miles, around 25,200 more miles than is typical for its age. Its asking price of £15,795 is £80 below the AskCar estimate of £15,875. The AskCar estimate uses UK dealer asking prices, including 4,645 Mercedes-Benz C Class adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 53 days ago. Its asking price has since fallen by £700. The latest recorded MOT expiry date is 4 September 2026, which has passed. Confirm its status with the dealer. The government's MOT record matches its advertised mileage. You can find this car at Hartington Motors in Wigan. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £80 (under 1%) under the AskCar estimate of £15,875.

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 4,645 priced Mercedes-Benz C Class adverts across different ages and specifications, as of 6 November 2026.

A 2020 Mercedes-Benz C Class with the 2.0 diesel engine is typically advertised at £18,000: the median of the 133 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2020 Mercedes-Benz C Class has been on sale for at least 53 days.

Price history

AskCar first saw this advert on 14 September 2026 at £16,495. Its asking price is now £15,795, £700 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 14 September 2026: £16,495
• 29 October 2026: £15,995
• 4 November 2026: £15,795

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: the latest record we hold ran out on 4 September 2026; ask the dealer for the current MOT.

It failed its MOT on 22 August 2025 (nearside front road wheel fractured; offside front coil spring fractured or broken) and passed 14 days later, on 5 September 2025.

There were no advisories at the latest test.

Mileage at that test: 71,547 miles, which matches the advertised 73,326 miles.

Advertised mileage is about 25,200 miles higher than the median mileage of a 2020 Mercedes-Benz C Class on AskCar.

Similar cars

8 other 2020 Mercedes-Benz C Class AMG Line 2.0 diesel automatic coupes are for sale at UK dealers, from £14,990 to £21,500, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz C Class AMG Line, 2.0 diesel coupe, black. Mileage: 75,450 miles. Price: £14,995, £800 less than this car. Dealer: Rainton Bridge Motors in Houghton-le-Spring. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-9149de363c67
• 2020 Mercedes-Benz C Class AMG Line, 2.0 diesel coupe, white. Mileage: 83,947 miles. Price: £14,990, £805 less than this car. Dealer: Group 1 Automotive Mercedes-Benz Of Oxford in Oxford. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-ceeadc227cf6
• 2020 Mercedes-Benz C Class AMG Line, 2.0 diesel coupe, black. Mileage: 57,000 miles. Price: £16,849, £1,054 more than this car. Dealer: Keith Price Garages in Abergavenny. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-31d13e0f4fa1

• The nearest: 2020 Mercedes-Benz C Class AMG Line, 2.0 diesel coupe, blue, 46 miles from this car. Mileage: 30,654 miles. Price: £20,060, £4,265 more than this car. Dealer: Big Motoring World Leeds in Leeds. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-85d3df6b3828