2018 Mercedes-Benz C Class 2.1 C220d AMG Line Premium Plus

Overview

• Make: Mercedes-Benz
• Model: C Class
• Trim: AMG Line Premium Plus
• Version: 2.1 C220d AMG Line Premium Plus G-Tronic+ RWD Euro 6 (s/s) 2dr Cabriolet (168 bhp)
• Year: 2018
• Mileage: 43,948 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 Premium Plus has covered 43,948 miles, around 21,800 fewer miles than is typical for its age. Priced at £16,850, it is advertised £618 below the AskCar estimate of £17,468. The AskCar estimate uses UK dealer asking prices, including 4,635 Mercedes-Benz C Class adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 25 days ago. Its advertised mileage matches the government's MOT record. You can find this car at Car Planet Barnet in New Southgate. 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: £618 (3%) under the AskCar estimate of £17,468.

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 25 days.

Price history

AskCar first saw this advert on 11 October 2026 at £16,750. Its asking price is now £16,850, £100 more.

Price changes recorded:

• 11 October 2026: £16,750
• 26 October 2026: £17,000
• 1 November 2026: £16,850

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 21 February 2027.

It failed its MOT on 16 February 2026 (engine MIL inoperative or indicates a malfunction) and passed 3 days later, on 19 February 2026.

There were no advisories at the latest test.

Mileage at that test: 41,368 miles, which matches the advertised 43,948 miles.

Advertised mileage is about 21,800 miles lower than the median mileage of a 2018 Mercedes-Benz C Class on AskCar.

Similar cars

12 other 2018 Mercedes-Benz C Class AMG Line Premium Plus 2.1 diesel automatic convertibles are for sale at UK dealers, from £13,400 to £18,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz C Class AMG Line Premium Plus, 2.1 diesel convertible, silver. Mileage: 43,268 miles. Price: £18,995, £2,145 more than this car. Dealer: Stoneacre Rotherham Select in Brinsworth. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-a36917e528a8
• 2018 Mercedes-Benz C Class AMG Line Premium Plus, 2.1 diesel convertible, blue. Mileage: 40,403 miles. Price: £17,990, £1,140 more than this car. Dealer: Car City UK Catterick in Catterick. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-c7705d1bdb33
• 2018 Mercedes-Benz C Class AMG Line Premium Plus, 2.1 diesel convertible, grey. Mileage: 39,000 miles. Price: £17,995, £1,145 more than this car. Dealer: S J Peters in Sudbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-15186aa09df0

• The nearest: 2018 Mercedes-Benz C Class AMG Line Premium Plus, 2.1 diesel convertible, grey, 33 miles from this car. Mileage: 73,458 miles. Price: £14,295, £2,555 less than this car. Dealer: Drews Motor Company in Hurst. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-a27a455c4507