2018 Mercedes-Benz C Class 2.1 C250d AMG Line

Overview

• Make: Mercedes-Benz
• Model: C Class
• Trim: AMG Line
• Version: 2.1 C250d AMG Line G-Tronic+ RWD Euro 6 (s/s) 2dr Cabriolet (201 bhp)
• Year: 2018
• Mileage: 38,514 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.1 litres, 201 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 133 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz C Class AMG Line has covered 38,514 miles, around 26,700 fewer miles than is typical for its age. Priced at £16,250, it is advertised £859 below the AskCar estimate of £17,109. To work out the AskCar estimate, we analyse UK dealer adverts for 4,645 Mercedes-Benz C Class cars across different ages and specifications. We first recorded this car for sale 7 days ago. Its advertised mileage matches the government's MOT record. It is advertised by Derbyshire Motor Company in Chesterfield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £859 (5%) under the AskCar estimate of £17,109.

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 4,645 priced Mercedes-Benz C Class adverts across different ages and specifications, as of 6 November 2026.

A 2018 Mercedes-Benz C Class with the 2.1 diesel engine is typically advertised at £14,000: the median of the 202 for sale on AskCar, as of 6 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 30 October 2026 at £16,250. 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 6 November 2026: valid until 11 May 2027.

It has had 8 MOTs. The latest, on 12 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 36,041 miles, which matches the advertised 38,514 miles.

Advertised mileage is about 26,700 miles lower than the median mileage of a 2018 Mercedes-Benz C Class on AskCar.

Similar cars

13 other 2018 Mercedes-Benz C Class AMG Line 2.1 diesel automatic convertibles are for sale at UK dealers, from £12,449 to £19,695, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz C Class AMG Line, 2.1 diesel convertible, grey. Mileage: 39,000 miles. Price: £16,999, £749 more than this car. Dealer: Capitol Car Centre in Preston. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-7de40794b57b
• 2018 Mercedes-Benz C Class AMG Line, 2.1 diesel convertible, black. Mileage: 32,388 miles. Price: £17,450, £1,200 more than this car. Dealer: M B Cars London in St Albans. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-e8481b8ea537
• 2018 Mercedes-Benz C Class AMG Line, 2.1 diesel convertible, silver. Mileage: 49,780 miles. Price: £16,290, the same price as this car. Dealer: Dace Motor Company - Trading Standards Approved in Stockport. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-d9577abe00c5

• The nearest: 2018 Mercedes-Benz C Class AMG Line, 2.1 diesel convertible, black, 26 miles from this car. Mileage: 82,500 miles. Price: £12,900, £3,350 less than this car. Dealer: Rdm Direct in Burton upon Trent. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-dc47faca4739