2018 Mercedes-Benz C Class 4.0 C63 V8 BiTurbo AMG Premium

Overview

• Make: Mercedes-Benz
• Model: C Class
• Trim: AMG Premium
• Version: 4.0 C63 V8 BiTurbo AMG Premium Auto RWD Euro 6 (s/s) 2dr Cabriolet SpdS MCT (469 bhp)
• Year: 2018
• Mileage: 32,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 4.0 litres, 469 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 208 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2018 Mercedes-Benz C Class AMG Premium is 32,000 miles. Its asking price of £27,900 is £5,242 below the AskCar estimate of £33,142. The AskCar estimate draws on 4,635 Mercedes-Benz C Class adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 136 days ago. Its asking price has since fallen by £1,700. The latest MOT recorded 34,839 miles, above the advertised mileage. Check this with the dealer. Its recorded MOT is valid until 28 May 2027. It is advertised by CNH Cars in Welwyn. 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

Good value: £5,242 (15%) under the AskCar estimate of £33,142.

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 4.0 petrol engine is typically advertised at £33,700: the median of the 36 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 136 days.

Price history

AskCar first saw this advert on 22 June 2026 at £29,600. Its asking price is now £27,900, £1,700 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 22 June 2026: £29,600
• 4 August 2026: £31,900
• 8 August 2026: £31,800
• 16 August 2026: £31,700
• 26 August 2026: £31,600
• 7 September 2026: £31,500
• 13 September 2026: £29,900
• 20 September 2026: £29,800
• 26 September 2026: £29,600
• 28 September 2026: £29,500
• 3 October 2026: £29,000
• 4 October 2026: £28,900
• 15 October 2026: £28,800
• 21 October 2026: £28,000
• 5 November 2026: £27,900

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 28 May 2027.

It has had 7 MOTs. The latest, on 29 May 2026, passed.

Advisories at the latest test: front brake disc worn, pitted or scored, but not seriously weakened; rear brake disc worn, pitted or scored, but not seriously weakened; exhaust has a minor leak of exhaust gases nearside cat to center pipe slight blow,.

Mileage at that test: 34,839 miles. The advert says 32,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 33,700 miles lower than the median mileage of a 2018 Mercedes-Benz C Class on AskCar.

Similar cars

2 other 2018 Mercedes-Benz C Class AMG Premium 4.0 petrol automatic convertibles are for sale at UK dealers, from £27,990 to £31,999, as of 5 November 2026.

The 2 closest to this car in mileage:

• 2018 Mercedes-Benz C Class AMG Premium, 4.0 petrol convertible, black. Mileage: 69,300 miles. Price: £31,999, £4,099 more than this car. Dealer: Rom Motors in Atherstone. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-84d198842b30
• 2018 Mercedes-Benz C Class AMG Premium, 4.0 petrol convertible, blue. Mileage: 76,000 miles. Price: £27,990, £90 more than this car. Dealer: Priory Cars in Bedford. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-0751c0572073