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+ RWD Euro 6 (s/s) 2dr Cabriolet (201 bhp)
• Year: 2018
• Mileage: 82,636 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.1 litres, 201 bhp
• Gearbox: Automatic (G-Tronic+)
• Drive: Rear-wheel drive
• Colour: Silver
• CO2: 126 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Mercedes-Benz C Class AMG Line Premium Plus is advertised with 82,636 miles, approximately 16,900 above the typical mileage for its age. Priced at £13,400, it is advertised £673 below the AskCar estimate of £14,073. The AskCar estimate draws on 4,635 Mercedes-Benz C Class adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 86 days ago, the asking price has dropped by £1,590. The latest recorded MOT expiry date is 6 August 2025, which has passed. Confirm its status with the dealer. Its advertised mileage matches the government's MOT record. You can find this car at CMC Automotive in Stockport. 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: £673 (4%) under the AskCar estimate of £14,073.

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 86 days.

Price history

AskCar first saw this advert on 11 August 2026 at £14,990. Its asking price is now £13,400, £1,590 less. The latest price cut was seen on 25 October 2026.

Price changes recorded:

• 11 August 2026: £14,990
• 26 August 2026: £13,990
• 25 October 2026: £13,400

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: the latest record we hold ran out on 6 August 2025; ask the dealer for the current MOT.

It has had 5 MOTs. The latest, on 2 August 2024, passed.

Advisories at the latest test: nearside front lower suspension arm ball joint has slight play spring link ball joint; nearside rear inner brake disc worn, pitted or scored, but not seriously weakened pitted; offside rear inner brake disc worn, pitted or scored, but not seriously weakened pitted.

Mileage at that test: 71,105 miles, which matches the advertised 82,636 miles.

Advertised mileage is about 16,900 miles higher than the median mileage of a 2018 Mercedes-Benz C Class on AskCar.

Similar cars

12 other 2018 Mercedes-Benz C Class AMG Line Premium Plus 2.1 diesel automatic convertibles are for sale at UK dealers, from £13,551 to £18,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2018 Mercedes-Benz C Class AMG Line Premium Plus, 2.1 diesel convertible, blue. Mileage: 84,840 miles. Price: £13,990, £590 more than this car. Dealer: Cars Direct Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-5059708e1d93
• 2018 Mercedes-Benz C Class AMG Line Premium Plus, 2.1 diesel convertible, grey. Mileage: 78,038 miles. Price: £13,551, £151 more than this car. Dealer: JCT600 Approved South Leeds in Batley. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-9cbce66fd2a7
• 2018 Mercedes-Benz C Class AMG Line Premium Plus, 2.1 diesel convertible, grey. Mileage: 73,458 miles. Price: £14,295, £895 more than this car. Dealer: Drews Motor Company in Hurst. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-a27a455c4507

• The nearest: 2018 Mercedes-Benz C Class AMG Line Premium Plus, 2.1 diesel convertible, grey, 20 miles from this car. Mileage: 58,900 miles. Price: £15,495, £2,095 more than this car. Dealer: ZG Prestige in Bolton. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-7abe0cdd71fa