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: 30,672 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 242 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz C Class AMG Line has covered 30,672 miles, around 17,400 fewer miles than is typical for its age. Its asking price of £20,060 is £485 below the AskCar estimate of £20,545. To work out the AskCar estimate, we analyse UK dealer adverts for 4,622 Mercedes-Benz C Class cars across different ages and specifications. Since we first spotted the advert 20 days ago, the asking price has dropped by £350. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Big Motoring World Leeds, based in Leeds. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £485 (2%) under the AskCar estimate of £20,545.

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 4,622 priced Mercedes-Benz C Class adverts across different ages and specifications, as of 7 November 2026.

A 2020 Mercedes-Benz C Class with the 2.0 diesel engine is typically advertised at £17,700: the median of the 130 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 Mercedes-Benz C Class has been on sale for at least 20 days.

Price history

AskCar first saw this advert on 18 October 2026 at £20,410. Its asking price is now £20,060, £350 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 18 October 2026: £20,410
• 19 October 2026: £20,400
• 21 October 2026: £20,380
• 22 October 2026: £20,250
• 23 October 2026: £20,230
• 24 October 2026: £20,240
• 25 October 2026: £20,220
• 27 October 2026: £20,200
• 28 October 2026: £20,190
• 31 October 2026: £20,130
• 4 November 2026: £20,060

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 27 February 2027.

It has had 4 MOTs. The latest, on 13 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 23,779 miles, which matches the advertised 30,672 miles.

Advertised mileage is about 17,400 miles lower 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 7 November 2026.

The 3 closest to this car in mileage:

• 2020 Mercedes-Benz C Class AMG Line, 2.0 diesel coupe, white. Mileage: 30,737 miles. Price: £17,997, £2,063 less than this car. Dealer: Endeavour Omoda & Jaecoo Watford in Watford. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-1f0a10889711
• 2020 Mercedes-Benz C Class AMG Line, 2.0 diesel coupe, white. Mileage: 26,056 miles. Price: £21,500, £1,440 more than this car. Dealer: MB Brent Park in London. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-e2425b087a7c
• 2020 Mercedes-Benz C Class AMG Line, 2.0 diesel coupe, black. Mileage: 42,500 miles. Price: £18,995, £1,065 less than this car. Dealer: Derwent Motors in Derby. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-bb3b0aead752

• The nearest: 2020 Mercedes-Benz C Class AMG Line, 2.0 diesel coupe, black, 46 miles from this car. Mileage: 73,326 miles. Price: £15,795, £4,265 less than this car. Dealer: Hartington Motors in Wigan. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-a05f3d28eb29