2021 Mercedes-Benz C Class 3.0 C43 Premium Plus

Price: £23,595. Fair price: £1,771 (6%) under the AskCar estimate of £25,366, 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 Plus
  • Version: 3.0 C 43 Edition Premium Plus 9G-Tronic Plus 4WD Euro 6 5dr (384 bhp)
  • Year: 2021
  • Mileage: 75,911 miles
  • Fuel: Petrol
  • Body: Estate, 5 doors, 5 seats
  • Engine: 3.0 litres, 384 bhp
  • Gearbox: Automatic (9G-Tronic Plus)
  • Drive: Four-wheel drive
  • Colour: White
  • CO2: 230 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz C Class Premium Plus has covered 75,911 miles, around 30,500 more miles than is typical for its age. Its asking price of £23,595 is £1,771 below the AskCar estimate of £25,366. The AskCar estimate uses UK dealer asking prices, including 4,622 Mercedes-Benz C Class adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 43 days ago. Its asking price has since fallen by £801. We checked its advertised mileage against the government's MOT record, and they match. The seller is DCC Fareham, based in Fareham. 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: £1,771 (6%) under the AskCar estimate of £25,366.

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 2021 Mercedes-Benz C Class with the 3.0 petrol engine is typically advertised at £31,500: the median of the 14 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2021 Mercedes-Benz C Class has been on sale for at least 43 days.

Price history

AskCar first saw this advert on 25 September 2026 at £24,396. Its asking price is now £23,595, £801 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

  • 25 September 2026: £24,396
  • 10 October 2026: £23,995
  • 21 October 2026: £23,942
  • 30 October 2026: £23,695
  • 6 November 2026: £23,595

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 11 January 2027.

It has had 4 MOTs. The latest, on 6 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 62,257 miles, which matches the advertised 75,911 miles.

Advertised mileage is about 30,500 miles higher than the median mileage of a 2021 Mercedes-Benz C Class on AskCar.

Similar cars

2 other 2021 Mercedes-Benz C Class Premium Plus 3.0 petrol automatic estates are for sale at UK dealers, from £27,600 to £30,695, as of 7 November 2026.

The 2 closest to this car in mileage:

  • 2021 Mercedes-Benz C Class Premium Plus, 3.0 petrol estate, white. Mileage: 50,100 miles. Price: £27,600, £4,005 more than this car. Dealer: Marshall Honda Hull in Hessle. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2021-34f79220bee6
  • 2021 Mercedes-Benz C Class Premium Plus, 3.0 petrol estate, white. Mileage: 48,250 miles. Price: £30,695, £7,100 more than this car. Dealer: High Spec Cars in Kings Langley. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2021-3067569032b0

Browse all Mercedes-Benz C Class cars for sale · 2021 Mercedes-Benz C Class price guide

More like this

Photos

43 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.