2018 Mercedes-Benz C Class 2.1 C250d AMG Line Premium Plus

Overview

• Make: Mercedes-Benz
• Model: C Class
• Trim: AMG Line Premium Plus
• Version: 2.1 C250d AMG Line Premium Plus G-Tronic+ 4WD Euro 6 (s/s) 2dr (201 bhp)
• Year: 2018
• Mileage: 50,285 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.1 litres, 201 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Four-wheel drive
• Colour: Silver
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 50,285 miles, this 2018 Mercedes-Benz C Class AMG Line Premium Plus has covered about 15,600 fewer miles than other 2018 Mercedes-Benz C Class cars. The AskCar estimate for this car is £18,427. It is priced at £15,900, which is £2,527 below that estimate. The AskCar estimate draws on 4,643 Mercedes-Benz C Class adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 34 days ago, the asking price has dropped by £1,800. We checked its advertised mileage against the government's MOT record, and they match. The seller is Car Planet Watford, based in Rickmansworth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Good value: £2,527 (13%) under the AskCar estimate of £18,427.

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 4,643 priced Mercedes-Benz C Class adverts across different ages and specifications, as of 4 November 2026.

A 2018 Mercedes-Benz C Class with the 2.1 diesel engine is typically advertised at £14,000: the median of the 206 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 Mercedes-Benz C Class has been on sale for at least 34 days.

Price history

AskCar first saw this advert on 1 October 2026 at £17,700. Its asking price is now £15,900, £1,800 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 1 October 2026: £17,700
• 4 October 2026: £17,400
• 9 October 2026: £17,100
• 16 October 2026: £16,800
• 21 October 2026: £16,500
• 28 October 2026: £16,200
• 3 November 2026: £15,900

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 19 June 2027.

It has had 6 MOTs. The latest, on 20 June 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 50,484 miles, which matches the advertised 50,285 miles.

Advertised mileage is about 15,600 miles lower than the median mileage of a 2018 Mercedes-Benz C Class on AskCar.

Similar cars

21 other 2018 Mercedes-Benz C Class AMG Line Premium Plus 2.1 diesel automatic coupes are for sale at UK dealers, from £12,295 to £18,950, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz C Class AMG Line Premium Plus, 2.1 diesel coupe, silver. Mileage: 47,968 miles. Price: £17,500, £1,600 more than this car. Dealer: Sytner Select Northampton in Northampton. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-2182db2c5813
• 2018 Mercedes-Benz C Class AMG Line Premium Plus, 2.1 diesel coupe, black. Mileage: 46,700 miles. Price: £17,990, £2,090 more than this car. Dealer: Gigi Automotive in Retford. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-98bb584a5d8f
• 2018 Mercedes-Benz C Class AMG Line Premium Plus, 2.1 diesel coupe, white. Mileage: 57,000 miles. Price: £16,995, £1,095 more than this car. Dealer: Westhill Cars in Westhill. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-3117b6e0a18d

• The nearest: 2018 Mercedes-Benz C Class AMG Line Premium Plus, 2.1 diesel coupe, grey, 4 miles from this car. Mileage: 67,000 miles. Price: £17,495, £1,595 more than this car. Dealer: High Spec Cars in Kings Langley. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-72ad91252a81