2017 Mercedes-Benz C Class 2.0 C300 AMG Line

Price: £17,495. Fair price: £324 (1%) under the AskCar estimate of £17,819, our expected asking price for this car from its model, age, mileage and specification, drawing on 4,645 priced Mercedes-Benz C Class adverts on AskCar as of 6 November 2026.

AskCar lists 4,899 used Mercedes-Benz C Class from 2,334 UK dealerships, as of 6 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: C Class
  • Trim: AMG Line
  • Version: 2.0 C300 AMG Line G-Tronic+ RWD Euro 6 (s/s) 2dr Cabriolet (242 bhp)
  • Year: 2017
  • Mileage: 35,183 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 4 seats
  • Engine: 2.0 litres, 242 bhp
  • Gearbox: Automatic (G-Tronic+)
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 161 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 35,183 miles, this 2017 Mercedes-Benz C Class AMG Line has covered about 34,800 fewer miles than other 2017 Mercedes-Benz C Class cars. The dealer is asking £17,495, which is £324 below the AskCar estimate of £17,819. To work out the AskCar estimate, we analyse UK dealer adverts for 4,645 Mercedes-Benz C Class cars across different ages and specifications. Since we first spotted the advert 162 days ago, the asking price has dropped by £500. The recorded MOT expired on 26 August 2026, so ask the dealer whether it has been renewed. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Hartington Motors in Wigan. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £324 (1%) under the AskCar estimate of £17,819.

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 4,645 priced Mercedes-Benz C Class adverts across different ages and specifications, as of 6 November 2026.

A 2017 Mercedes-Benz C Class with the 2.0 petrol engine is typically advertised at £12,800: the median of the 145 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2017 Mercedes-Benz C Class has been on sale for at least 162 days.

Price history

AskCar first saw this advert on 28 May 2026 at £17,995. Its asking price is now £17,495, £500 less. The latest price cut was seen on 19 June 2026.

Price changes recorded:

  • 29 May 2026: £17,995
  • 19 June 2026: £17,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: the latest record we hold ran out on 26 August 2026; ask the dealer for the current MOT.

It failed its MOT on 27 August 2025 (windscreen damaged but not adversely affecting driver's view; nearside front tyre has a cut in excess of the requirements deep enough to reach the ply or cords; front registration plate does not conform to the specified requirements) and passed later the same day.

Advisories at the latest test: windscreen damaged but not adversely affecting driver's view; nearside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 31,197 miles, which matches the advertised 35,183 miles.

Advertised mileage is about 34,800 miles lower than the median mileage of a 2017 Mercedes-Benz C Class on AskCar.

Similar cars

13 other 2017 Mercedes-Benz C Class AMG Line 2.0 petrol automatic convertibles are for sale at UK dealers, from £12,495 to £17,500, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2017 Mercedes-Benz C Class AMG Line, 2.0 petrol convertible, blue. Mileage: 39,000 miles. Price: £17,495, the same price as this car. Dealer: Team Virtus in Pulborough. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2017-24ede0cf7898
  • 2017 Mercedes-Benz C Class AMG Line, 2.0 petrol convertible, grey. Mileage: 41,539 miles. Price: £17,399, £96 less than this car. Dealer: Luxo Motors in Epping. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2017-b5306aadf21d
  • 2017 Mercedes-Benz C Class AMG Line, 2.0 petrol convertible, white. Mileage: 42,317 miles. Price: £14,999, £2,496 less than this car. Dealer: TCS Trade Car Sales (Midlands) in Walsall. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2017-5a3aa6c83280
  • The nearest: 2017 Mercedes-Benz C Class AMG Line, 2.0 petrol convertible, white, 21 miles from this car. Mileage: 73,000 miles. Price: £13,495, £4,000 less than this car. Dealer: Makk Cars in Rochdale. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2017-8330def4c132

Browse all Mercedes-Benz C Class cars for sale · 2017 Mercedes-Benz C Class price guide

More like this

Photos

40 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.