2020 Mercedes-Benz C Class 3.0 C43 Premium

Price: £29,690. Fair price: £1,090 (3%) under the AskCar estimate of £30,780, our expected asking price for this car from its model, age, mileage and specification, drawing on 4,622 priced Mercedes-Benz C Class adverts on AskCar as of 7 November 2026.

AskCar lists 4,927 used Mercedes-Benz C Class from 2,354 UK dealerships, as of 7 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: C Class
  • Trim: Premium
  • Version: 3.0 Premium Auto 4WD Euro 6 2dr (384 bhp)
  • Year: 2020
  • Mileage: 38,000 miles
  • Fuel: Petrol
  • Body: Coupe, 2 doors, 4 seats
  • Engine: 3.0 litres, 384 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 221 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Mercedes-Benz C Class Premium is advertised with 38,000 miles, approximately 10,000 below the typical mileage for its age. The dealer is asking £29,690, which is £1,090 below the AskCar estimate of £30,780. To work out the AskCar estimate, we analyse UK dealer adverts for 4,622 Mercedes-Benz C Class cars across different ages and specifications. We first saw this car advertised 95 days ago. Its asking price has since fallen by £4,300. The recorded MOT expired on 30 October 2026, so ask the dealer whether it has been renewed. Its advertised mileage matches the government's MOT record. You can find this car at Stratstone Mercedes-Benz of Southend in Rayleigh. 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: £1,090 (3%) under the AskCar estimate of £30,780.

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 3.0 petrol engine is typically advertised at £27,000: the median of the 26 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 95 days.

Price history

AskCar first saw this advert on 4 August 2026 at £33,990. Its asking price is now £29,690, £4,300 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

  • 5 August 2026: £33,990
  • 10 August 2026: £33,490
  • 21 August 2026: £32,990
  • 4 September 2026: £32,790
  • 10 September 2026: £32,390
  • 19 September 2026: £31,390
  • 29 September 2026: £30,390
  • 13 October 2026: £30,290
  • 27 October 2026: £29,690

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: the latest record we hold ran out on 30 October 2026; ask the dealer for the current MOT.

It failed its MOT on 27 October 2025 (offside rear shock absorbers has a serious fluid leak; offside rear tyre has a cut in excess of the requirements deep enough to reach the ply or cords; registration plate inscription illegible) and passed 2 days later, on 29 October 2025.

Advisories at the latest test: n/s/front + o/s/front + n/s/rear +o/s/rear tyre wear on edge.

Mileage at that test: 31,995 miles, which matches the advertised 38,000 miles.

Advertised mileage is about 10,000 miles lower than the median mileage of a 2020 Mercedes-Benz C Class on AskCar.

Similar cars

2 other 2020 Mercedes-Benz C Class Premium 3.0 petrol automatic coupes are for sale at UK dealers, from £27,489 to £28,980, as of 7 November 2026.

The 2 closest to this car in mileage:

  • 2020 Mercedes-Benz C Class Premium, 3.0 petrol coupe, grey. Mileage: 45,500 miles. Price: £28,980, £710 less than this car. Dealer: Stratstone Mercedes-Benz of Lakeside in Chafford Hundred and West Thurrock. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-103ee2f92fae
  • 2020 Mercedes-Benz C Class Premium, 3.0 petrol coupe, black. Mileage: 46,828 miles. Price: £27,489, £2,201 less than this car. Dealer: Essex Prestige in Harlow. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2020-e547f98c6e02

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 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.