2020 Mercedes-Benz C Class 3.0 C43 V6 AMG
Price: £21,900. Fair price: £1,217 (5%) under the AskCar estimate of £23,117, our expected asking price for this car from its model, age, mileage and specification, drawing on 4,618 priced Mercedes-Benz C Class adverts on AskCar as of 2 November 2026.
AskCar lists 4,836 used Mercedes-Benz C Class from 2,331 UK dealerships, as of 2 November 2026.
Overview
- Make: Mercedes-Benz
- Model: C Class
- Trim: AMG
- Version: 3.0 C43 V6 AMG G-Tronic+ 4WD Euro 6 (s/s) 2dr (385 bhp)
- Year: 2020
- Mileage: 85,283 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 4 seats
- Engine: 3.0 litres, 385 bhp
- Gearbox: Automatic (G-Tronic+)
- Drive: Four-wheel drive
- Colour: Black
- CO2: 212 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 85,283 miles, this 2020 Mercedes-Benz C Class AMG has covered about 37,300 more miles than other 2020 Mercedes-Benz C Class cars. The dealer is asking £21,900, which is £1,217 below the AskCar estimate of £23,117. To work out the AskCar estimate, we analyse UK dealer adverts for 4,618 Mercedes-Benz C Class cars across different ages and specifications. Since we first spotted the advert 52 days ago, the asking price has dropped by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Group 1 Automotive Mercedes-Benz Of Warrington, based in Warrington. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £1,217 (5%) under the AskCar estimate of £23,117.
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 4,618 priced Mercedes-Benz C Class adverts across different ages and specifications, as of 2 November 2026.
A 2020 Mercedes-Benz C Class with the 3.0 petrol engine is typically advertised at £27,000: the median of the 26 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2020 Mercedes-Benz C Class has been on sale for at least 52 days.
Price history
AskCar first saw this advert on 11 September 2026 at £22,900. Its asking price is now £21,900, £1,000 less. The latest price cut was seen on 28 October 2026.
Price changes recorded:
- 11 September 2026: £22,900
- 15 September 2026: £22,849
- 22 September 2026: £22,750
- 29 September 2026: £22,695
- 6 October 2026: £22,594
- 10 October 2026: £22,495
- 16 October 2026: £22,394
- 20 October 2026: £22,094
- 23 October 2026: £21,994
- 28 October 2026: £21,900
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 7 May 2027.
It has had 4 MOTs. The latest, on 8 May 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 83,848 miles, which matches the advertised 85,283 miles.
Advertised mileage is about 37,300 miles higher than the median mileage of a 2020 Mercedes-Benz C Class on AskCar.
Similar cars
1 other 2020 Mercedes-Benz C Class AMG 3.0 petrol automatic coupe is for sale at UK dealers, as of 2 November 2026.
The closest to this car in mileage:
- 2020 Mercedes-Benz C Class AMG, 3.0 petrol coupe, grey. Mileage: 55,962 miles. Price: £24,500, £2,600 more than this car. Dealer: Strafford Cars in Brighton and Hove. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-8854d9652d12
Browse all Mercedes-Benz C Class cars for sale · 2020 Mercedes-Benz C Class price guide
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Photos
40 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.