2018 Mercedes-Benz C Class 3.0 C43 Premium Plus

Price: £21,150. Fair price: £4 (under 1%) under the AskCar estimate of £21,154, our expected asking price for this car from its model, age, mileage and specification, drawing on 4,635 priced Mercedes-Benz C Class adverts on AskCar as of 5 November 2026.

AskCar lists 4,880 used Mercedes-Benz C Class from 2,329 UK dealerships, as of 5 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: C Class
  • Trim: Premium Plus
  • Version: 3.0 C 43 Premium Plus 9G-Tronic Plus 4WD Euro 6 2dr (361 bhp)
  • Year: 2018
  • Mileage: 76,819 miles
  • Fuel: Petrol
  • Body: Coupe, 2 doors, 4 seats
  • Engine: 3.0 litres, 361 bhp
  • Gearbox: Automatic (9G-Tronic Plus)
  • Drive: Four-wheel drive
  • Colour: Grey
  • CO2: 183 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz C Class Premium Plus has covered 76,819 miles, around 11,100 more miles than is typical for its age. Priced at £21,150, it is advertised £4 below the AskCar estimate of £21,154. The AskCar estimate uses UK dealer asking prices, including 4,635 Mercedes-Benz C Class adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 7 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Sytner Select Northampton, based in Northampton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £4 (under 1%) under the AskCar estimate of £21,154.

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 4,635 priced Mercedes-Benz C Class adverts across different ages and specifications, as of 5 November 2026.

A 2018 Mercedes-Benz C Class with the 3.0 petrol engine is typically advertised at £22,600: the median of the 51 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2018 Mercedes-Benz C Class has been on sale for at least 7 days.

Price history

AskCar first saw this advert on 29 October 2026 at £21,150. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 26 October 2027.

It failed its MOT on 26 October 2026 (offside rear exhaust system insecure centre to rear clamp broken; offside rear exhaust has a major leak of exhaust gases from centre to rear join (clamp broken); emissions unable to be completed due to exhaust leak) and passed 1 day later, on 27 October 2026.

There were no advisories at the latest test.

Mileage at that test: 76,852 miles, which matches the advertised 76,819 miles.

Advertised mileage is about 11,100 miles higher than the median mileage of a 2018 Mercedes-Benz C Class on AskCar.

Similar cars

5 other 2018 Mercedes-Benz C Class Premium Plus 3.0 petrol automatic coupes are for sale at UK dealers, from £21,795 to £30,795, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2018 Mercedes-Benz C Class Premium Plus, 3.0 petrol coupe, white. Mileage: 75,473 miles. Price: £21,795, £645 more than this car. Dealer: Gibbons Automotive in Westbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-8d0f17f74058
  • 2018 Mercedes-Benz C Class Premium Plus, 3.0 petrol coupe, grey. Mileage: 74,000 miles. Price: £23,795, £2,645 more than this car. Dealer: Panacea Motors in Bury. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-4ab0d05b7039
  • 2018 Mercedes-Benz C Class Premium Plus, 3.0 petrol coupe, black. Mileage: 64,500 miles. Price: £25,995, £4,845 more than this car. Dealer: High Spec Cars in Kings Langley. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-dfa48a8951cf
  • The nearest: 2018 Mercedes-Benz C Class Premium Plus, 3.0 petrol coupe, grey, 32 miles from this car. Mileage: 14,000 miles. Price: £30,795, £9,645 more than this car. Dealer: Coventry Sterling Motors in Coventry. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-14d8ff80c190

Browse all Mercedes-Benz C Class cars for sale · 2018 Mercedes-Benz C Class price guide

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Photos

19 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.