2018 Mercedes-Benz C Class 2.1 C250d AMG Line

Overview

• Make: Mercedes-Benz
• Model: C Class
• Trim: AMG Line
• Version: 2.1 C250d AMG Line G-Tronic+ RWD Euro 6 (s/s) 2dr (201 bhp)
• Year: 2018
• Mileage: 49,510 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.1 litres, 201 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 120 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz C Class AMG Line is advertised with 49,510 miles, approximately 16,200 below the typical mileage for its age. The AskCar estimate for this car is £16,708. It is priced at £15,850, which is £858 below 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 saw this car advertised 30 days ago. Its asking price has since fallen by £50. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by 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: £858 (5%) under the AskCar estimate of £16,708.

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 30 days.

Price history

AskCar first saw this advert on 6 October 2026 at £15,900. Its asking price is now £15,850, £50 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 6 October 2026: £15,900
• 31 October 2026: £15,850

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 20 September 2027.

It failed its MOT on 18 September 2026 (offside rear brake pad(s) incorrectly mounted) and passed later the same day.

Advisories at the latest test: nearside front tyre slightly damaged/cracking or perishing; offside front tyre slightly damaged/cracking or perishing.

Mileage at that test: 49,390 miles, which matches the advertised 49,510 miles.

Advertised mileage is about 16,200 miles lower than the median mileage of a 2018 Mercedes-Benz C Class on AskCar.

Similar cars

17 other 2018 Mercedes-Benz C Class AMG Line 2.1 diesel automatic coupes are for sale at UK dealers, from £9,500 to £18,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz C Class AMG Line, 2.1 diesel coupe, white. Mileage: 49,000 miles. Price: £14,980, £870 less than this car. Dealer: Magari Automotive in Fareham. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-9f070020a2c9
• 2018 Mercedes-Benz C Class AMG Line, 2.1 diesel coupe, black. Mileage: 51,950 miles. Price: £15,490, £360 less than this car. Dealer: Hanar Cars (UK) in Hoddesdon. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-a2d589753beb
• 2018 Mercedes-Benz C Class AMG Line, 2.1 diesel coupe, grey. Mileage: 55,000 miles. Price: £13,990, £1,860 less than this car. Dealer: Discount Car Centre in Radcliffe. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-9815f5cf02bc

• The nearest: 2018 Mercedes-Benz C Class AMG Line, 2.1 diesel coupe, blue, 9 miles from this car. Mileage: 33,000 miles. Price: £17,000, £1,150 more than this car. Dealer: MB Specialist in London. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-53b9212aa976