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: 32,388 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.1 litres, 168 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 126 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 32,388 miles on the clock, this 2018 Mercedes-Benz C Class AMG Line has done roughly 33,300 fewer miles than a typical 2018 Mercedes-Benz C Class. Its asking price of £17,450 is £407 below the AskCar estimate of £17,857. The AskCar estimate draws on 4,635 Mercedes-Benz C Class adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 131 days ago, the asking price has dropped by £1,000. Its advertised mileage matches the government's MOT record. It is for sale 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 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £407 (2%) under the AskCar estimate of £17,857.

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 2.1 diesel engine is typically advertised at £14,000: the median of the 203 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 131 days.

Price history

AskCar first saw this advert on 27 June 2026 at £18,450. Its asking price is now £17,450, £1,000 less. The latest price cut was seen on 9 October 2026.

Price changes recorded:

• 28 June 2026: £18,450
• 9 October 2026: £17,450

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 18 December 2026.

It has had 3 MOTs. The latest, on 19 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 32,292 miles, which matches the advertised 32,388 miles.

Advertised mileage is about 33,300 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 5 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz C Class AMG Line, 2.1 diesel convertible, blue. Mileage: 38,514 miles. Price: £16,250, £1,200 less than this car. Dealer: Derbyshire Motor Company in Chesterfield. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-99d5c378acf3
• 2018 Mercedes-Benz C Class AMG Line, 2.1 diesel convertible, grey. Mileage: 39,000 miles. Price: £16,999, £451 less 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, red. Mileage: 21,000 miles. Price: £19,695, £2,245 more than this car. Dealer: Christchurch Motor Company in Bournemouth. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-acc68b2b16c2

• The nearest: 2018 Mercedes-Benz C Class AMG Line, 2.1 diesel convertible, white, under a mile from this car. Mileage: 54,247 miles. Price: £15,450, £2,000 less than this car. Dealer: M B Cars London in St Albans. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-8457143a918c