2018 Mercedes-Benz C Class 2.0 C300d AMG Line Premium

Price: £16,000. Fair price: £950 (6%) over the AskCar estimate of £15,050, 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: AMG Line Premium
  • Version: 2.0 C300d AMG Line Premium G-Tronic+ RWD Euro 6 (s/s) 2dr Cabriolet (242 bhp)
  • Year: 2018
  • Mileage: 67,750 miles
  • Fuel: Diesel
  • Body: Convertible, 2 doors, 4 seats
  • Engine: 2.0 litres, 242 bhp
  • Gearbox: Automatic (G-Tronic+)
  • Drive: Rear-wheel drive
  • Colour: White
  • CO2: 138 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz C Class AMG Line Premium is advertised with 67,750 miles, approximately 2,100 above the typical mileage for its age. Its asking price of £16,000 is £950 above the AskCar estimate of £15,050. The AskCar estimate draws on 4,635 Mercedes-Benz C Class adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. Our latest MOT record expired on 1 October 2026. Check the current position with the dealer. Its advertised mileage matches the government's MOT record. You can find this car at Aspi Specialist Cars in Stratford-Upon-Avon. 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: £950 (6%) over the AskCar estimate of £15,050.

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 2.0 diesel engine is typically advertised at £14,000: the median of the 163 for sale on AskCar, as of 5 November 2026.

Time on sale

AskCar first saw this 2018 Mercedes-Benz C Class advertised today. About half of 2018 Mercedes-Benz C Class cars are gone from sale within a month of being advertised: 327 of the 688 first advertised between 10 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 5 November 2026 at £16,000. 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: the latest record we hold ran out on 1 October 2026; ask the dealer for the current MOT.

It has had 6 MOTs. The latest, on 2 October 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 52,169 miles, which matches the advertised 67,750 miles.

Advertised mileage is about 2,100 miles higher than the median mileage of a 2018 Mercedes-Benz C Class on AskCar.

Similar cars

5 other 2018 Mercedes-Benz C Class AMG Line Premium 2.0 diesel automatic convertibles are for sale at UK dealers, from £15,033 to £18,990, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2018 Mercedes-Benz C Class AMG Line Premium, 2.0 diesel convertible, blue. Mileage: 64,772 miles. Price: £15,090, £910 less than this car. Dealer: Stratstone Mercedes-Benz of Southend in Thundersley and South Benfleet. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-55e3e0cc8134
  • 2018 Mercedes-Benz C Class AMG Line Premium, 2.0 diesel convertible, blue. Mileage: 64,660 miles. Price: £15,033, £967 less than this car. Dealer: Cargem in Rainham. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-e149b96c16e5
  • 2018 Mercedes-Benz C Class AMG Line Premium, 2.0 diesel convertible, silver. Mileage: 46,600 miles. Price: £18,499, £2,499 more than this car. Dealer: Blakedown Car Company in Wombourne. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-7d5b68c0ad0a

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

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Photos

25 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.