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: 68,900 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.1 litres, 168 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 126 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 68,900 miles, this 2018 Mercedes-Benz C Class AMG Line has covered about 3,700 more miles than other 2018 Mercedes-Benz C Class cars. The dealer is asking £14,989, which is £650 above the AskCar estimate of £14,339. 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 saw this car advertised 70 days ago. Its asking price has since fallen by £760. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by A6 Motors in Bedford. 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: £650 (4%) over the AskCar estimate of £14,339.

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 70 days.

Price history

AskCar first saw this advert on 28 August 2026 at £15,749. Its asking price is now £14,989, £760 less. The latest price cut was seen on 8 October 2026.

Price changes recorded:

• 28 August 2026: £15,749
• 8 October 2026: £14,989

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 2 March 2027.

It failed its MOT on 20 February 2026 (nearside rear road wheel fixing missing) and passed 11 days later, on 3 March 2026.

Advisories at the latest test: front lower suspension arm ball joint has slight play both; front tyre worn close to legal limit/worn on edge both; offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 64,763 miles, which matches the advertised 68,900 miles.

Advertised mileage is about 3,700 miles higher 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, black. Mileage: 70,512 miles. Price: £14,995, the same price as this car. Dealer: Crystal Motor Company in Northampton. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-66c4e7d08080
• 2018 Mercedes-Benz C Class AMG Line, 2.1 diesel convertible, grey. Mileage: 57,000 miles. Price: £15,990, £1,001 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, black. Mileage: 82,500 miles. Price: £12,900, £2,089 less than this car. Dealer: Rdm Direct in Burton upon Trent. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-dc47faca4739

• The nearest: 2018 Mercedes-Benz C Class AMG Line, 2.1 diesel convertible, white, 19 miles from this car. Mileage: 54,247 miles. Price: £15,450, £461 more than this car. Dealer: M B Cars London in St Albans. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-8457143a918c