2018 Mercedes-Benz C Class 2.1 C220d AMG Line

Overview

• Make: Mercedes-Benz
• Model: C Class
• Trim: AMG Line
• Version: 2.1 C220d AMG Line G-Tronic+ RWD Euro 6 (s/s) 2dr Cabriolet (168 bhp)
• Year: 2018
• Mileage: 54,247 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.1 litres, 168 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: White
• CO2: 126 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz C Class AMG Line has covered 54,247 miles, around 11,700 fewer miles than is typical for its age. Priced at £15,450, it is advertised £343 below the AskCar estimate of £15,793. The AskCar estimate uses UK dealer asking prices, including 4,562 Mercedes-Benz C Class adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 70 days ago. Its asking price has since fallen by £500. The government's MOT record matches its advertised mileage. You can find this car at M B Cars London in St. Albans. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £343 (2%) under the AskCar estimate of £15,793.

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 4,562 priced Mercedes-Benz C Class adverts across different ages and specifications, as of 8 November 2026.

A 2018 Mercedes-Benz C Class with the 2.1 diesel engine is typically advertised at £14,000: the median of the 201 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2018 Mercedes-Benz C Class has been on sale for at least 70 days.

Price history

AskCar first saw this advert on 30 August 2026 at £15,950. Its asking price is now £15,450, £500 less. The latest price cut was seen on 9 October 2026.

Price changes recorded:

• 30 August 2026: £15,950
• 9 October 2026: £15,450

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 14 May 2027.

It has had 7 MOTs. The latest, on 5 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 52,330 miles, which matches the advertised 54,247 miles.

Advertised mileage is about 11,700 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 8 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz C Class AMG Line, 2.1 diesel convertible, grey. Mileage: 57,000 miles. Price: £15,990, £540 more than this car. Dealer: SR Motor Company in Hillington. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-a50bb746c8e0
• 2018 Mercedes-Benz C Class AMG Line, 2.1 diesel convertible, blue. Mileage: 50,264 miles. Price: £14,990, £460 less than this car. Dealer: East Kilbride Used Car Centre in Glasgow. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-ce5d6946519a
• 2018 Mercedes-Benz C Class AMG Line, 2.1 diesel convertible, silver. Mileage: 49,780 miles. Price: £16,290, £840 more than 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, under a mile from this car. Mileage: 32,388 miles. Price: £17,450, £2,000 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