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

Overview

• Make: Mercedes-Benz
• Model: C Class
• Trim: AMG S Premium
• Version: 4.0 C63 V8 BiTurbo AMG S Premium Auto RWD Euro 6 (s/s) 2dr SpdS MCT (503 bhp)
• Year: 2018
• Mileage: 51,819 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 4.0 litres, 503 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: White
• CO2: 200 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz C Class AMG S Premium is advertised with 51,819 miles, approximately 14,200 below the typical mileage for its age. The AskCar estimate for this car is £38,429. It is priced at £35,650, which is £2,779 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 4,622 Mercedes-Benz C Class cars across different ages and specifications. Since we first spotted the advert 163 days ago, the asking price has dropped by £940. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is BUY & Go Cars, based in Cardiff. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £2,779 (7%) under the AskCar estimate of £38,429.

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 4,622 priced Mercedes-Benz C Class adverts across different ages and specifications, as of 7 November 2026.

A 2018 Mercedes-Benz C Class with the 4.0 petrol engine is typically advertised at £33,000: the median of the 41 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2018 Mercedes-Benz C Class has been on sale for at least 163 days.

Price history

AskCar first saw this advert on 28 May 2026 at £36,590. Its asking price is now £35,650, £940 less. The latest price cut was seen on 22 August 2026.

Price changes recorded:

• 29 May 2026: £36,590
• 4 August 2026: £36,470
• 20 August 2026: £35,680
• 22 August 2026: £35,650

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 29 January 2027.

It has had 7 MOTs. The latest, on 30 January 2026, passed.

Advisories at the latest test: rear registration plate lamp inoperative in the case of multiple lamps or light sources.

Mileage at that test: 50,417 miles, which matches the advertised 51,819 miles.

Advertised mileage is about 14,200 miles lower than the median mileage of a 2018 Mercedes-Benz C Class on AskCar.

Similar cars

3 other 2018 Mercedes-Benz C Class AMG S Premium 4.0 petrol automatic coupes are for sale at UK dealers, from £33,880 to £42,999, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz C Class AMG S Premium, 4.0 petrol coupe, grey. Mileage: 45,000 miles. Price: £38,988, £3,338 more than this car. Dealer: Junction 17 Cars Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-ec22e686753e
• 2018 Mercedes-Benz C Class AMG S Premium, 4.0 petrol coupe, black. Mileage: 35,000 miles. Price: £42,999, £7,349 more than this car. Dealer: Rushmores in Catford. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-bd14964192aa
• 2018 Mercedes-Benz C Class AMG S Premium, 4.0 petrol coupe, silver. Mileage: 80,000 miles. Price: £33,880, £1,770 less than this car. Dealer: Oakdene Collection in Alfreton. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-f859b74b28c4