2018 Mercedes-Benz C Class 3.0 C43 V6 AMG Premium Plus

Overview

• Make: Mercedes-Benz
• Model: C Class
• Trim: AMG Premium Plus
• Version: 3.0 C43 V6 AMG Premium Plus G-Tronic+ 4WD Euro 6 (s/s) 2dr Cabriolet (385 bhp)
• Year: 2018
• Mileage: 58,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 385 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 218 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz C Class AMG Premium Plus is advertised with 58,000 miles, approximately 7,700 below the typical mileage for its age. The AskCar estimate for this car is £25,286. It is priced at £27,999, which is £2,713 above that estimate. 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 advert 69 days ago, and its asking price has since fallen by £2,000. Its advertised mileage matches the government's MOT record. It is advertised by A & S Cars in Bishop's Stortford. 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

Above the going rate: £2,713 (10%) over the AskCar estimate of £25,286.

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 3.0 petrol engine is typically advertised at £22,600: the median of the 51 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 69 days.

Price history

AskCar first saw this advert on 28 August 2026 at £29,999. Its asking price is now £27,999, £2,000 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 28 August 2026: £29,999
• 20 September 2026: £29,786
• 24 September 2026: £29,999
• 8 October 2026: £29,990
• 9 October 2026: £28,990
• 10 October 2026: £28,499
• 11 October 2026: £27,990
• 13 October 2026: £26,999
• 15 October 2026: £29,999
• 18 October 2026: £28,990
• 27 October 2026: £28,499
• 29 October 2026: £27,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 9 June 2027.

It has had 6 MOTs. The latest, on 28 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 56,413 miles, which matches the advertised 58,000 miles.

Advertised mileage is about 7,700 miles lower than the median mileage of a 2018 Mercedes-Benz C Class on AskCar.

Similar cars

4 other 2018 Mercedes-Benz C Class AMG Premium Plus 3.0 petrol automatic convertibles are for sale at UK dealers, from £20,990 to £24,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz C Class AMG Premium Plus, 3.0 petrol convertible, black. Mileage: 57,000 miles. Price: £21,995, £6,004 less than this car. Dealer: Sedgebrook Motors in Sedgebrook. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-d26df6adabe0
• 2018 Mercedes-Benz C Class AMG Premium Plus, 3.0 petrol convertible, white. Mileage: 45,000 miles. Price: £23,000, £4,999 less than this car. Dealer: Mini Autos in London. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-ae451a8ac6cb
• 2018 Mercedes-Benz C Class AMG Premium Plus, 3.0 petrol convertible, black. Mileage: 75,450 miles. Price: £20,990, £7,009 less than this car. Dealer: Cars Direct Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-d3ca47bb54a9