2021 Mercedes-Benz C Class 2.0 AMG Line

Overview

• Make: Mercedes-Benz
• Model: C Class
• Trim: AMG Line
• Version: 2.0 AMG Line 9G-Tronic RWD Euro 6 4dr
• Year: 2021
• Mileage: 50,017 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic (9G-Tronic)
• Drive: Rear-wheel drive
• Colour: Silver
• CO2: 143 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz C Class AMG Line has covered 50,017 miles, around 4,600 more miles than is typical for its age. The AskCar estimate for this car is £18,728. It is priced at £18,990, which is £262 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 4,562 Mercedes-Benz C Class cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 159 days, and its asking price has been cut by £2,000. Its advertised mileage matches the government's MOT record. It is advertised by Mervyn Stewart Ltd (North Down) in Belfast. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £262 (1%) over the AskCar estimate of £18,728.

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 4,562 priced Mercedes-Benz C Class adverts across different ages and specifications, as of 8 November 2026.

A 2021 Mercedes-Benz C Class with the 2.0 diesel engine is typically advertised at £19,000: the median of the 71 for sale on AskCar, as of 8 November 2026.

Time on sale

The dealer may accept less. This 2021 Mercedes-Benz C Class has been on sale for at least 159 days, and its asking price has been cut by £2,000. About half of 2021 Mercedes-Benz C Class cars are gone from sale within a month of being advertised: 118 of the 224 first advertised between 11 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 2 June 2026 at £20,990. Its asking price is now £18,990, £2,000 less. The latest price cut was seen on 15 October 2026.

Price changes recorded:

• 2 June 2026: £20,990
• 27 June 2026: £20,695
• 10 July 2026: £20,495
• 16 July 2026: £19,995
• 8 August 2026: £19,650
• 13 August 2026: £20,150
• 16 August 2026: £19,995
• 22 August 2026: £19,895
• 10 September 2026: £19,990
• 15 October 2026: £18,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 30 March 2027.

It has had 4 MOTs. The latest, on 2 March 2026, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 48,629 miles, which matches the advertised 50,017 miles.

Advertised mileage is about 4,600 miles higher than the median mileage of a 2021 Mercedes-Benz C Class on AskCar.

Similar cars

1 other 2021 Mercedes-Benz C Class AMG Line 2.0 diesel automatic saloon is for sale at UK dealers, as of 8 November 2026.

The closest to this car in mileage:

• 2021 Mercedes-Benz C Class AMG Line, 2.0 diesel saloon, silver. Mileage: 66,887 miles. Price: £17,590, £1,400 less than this car. Dealer: Dawn Motors in Canterbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2021-9351f0f51721