2020 Mercedes-Benz C Class 2.0 C300d AMG Line Edition Premium

Version: 2.0 C300d AMG Line Edition Premium G-Tronic+ RWD Euro 6 (s/s) 2dr Cabriolet (242 bhp)

Price: £24,495. Fair price: £1,639 (7%) over the AskCar estimate of £22,856, our expected asking price for this car from its model, age, mileage and specification, drawing on 4,532 priced Mercedes-Benz C Class adverts on AskCar as of 31 October 2026.

AskCar lists 4,731 used Mercedes-Benz C Class from 2,258 UK dealerships, as of 31 October 2026.

Overview

Make
Mercedes-Benz
Model
C Class
Trim
AMG Line Edition Premium
Version
2.0 C300d AMG Line Edition Premium G-Tronic+ RWD Euro 6 (s/s) 2dr Cabriolet (242 bhp)
Mileage
25,124 miles
Year
2020
Fuel type
Diesel
Body type
Convertible
Engine
2.0 L
Gearbox
Automatic
Power
242 bhp
Seats
4
CO2
153 g/km
Colour
Blue
Doors
2
Driven wheels
Rear Wheel Drive
Gearbox version
G-Tronic+
Engine badge
C300d
Emissions standard
Euro 6

About this car

This 2020 Mercedes-Benz C Class AMG Line Edition Premium is advertised with 25,124 miles, approximately 22,900 below the typical mileage for its age. The dealer is asking £24,495, which is £1,639 above the AskCar estimate of £22,856. To work out the AskCar estimate, we analyse UK dealer adverts for 4,532 Mercedes-Benz C Class cars across different ages and specifications. It first appeared in our advert records today. Its recorded MOT is valid until 14 August 2027, and its advertised mileage is consistent with the latest MOT reading. It is advertised by Graham Walker in Chester.

Stock data as of 31 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 31 October 2026.

Recorded asking prices
Date observedAsking price
31 October 2026£24,495

Price and mileage comparison

Fair price: £1,639 (7%) over the AskCar estimate of £22,856.

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 4,532 priced Mercedes-Benz C Class adverts across different ages and specifications, as of 31 October 2026.

Advertised mileage is about 22,900 miles lower than the median mileage of a 2020 Mercedes-Benz C Class on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 14 August 2027. 24,709 miles at the last test.

Other matching cars

23 other 2020 Mercedes-Benz C Class AMG Line Edition Premium automatic diesel cars are for sale at UK dealers from £13,262 to £21,490, as of 31 October 2026.

The 5 cheapest:

The 23 matching cars have covered 17,000 to 99,800 miles, compared with 25,124 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

Browse all Mercedes-Benz C Class cars for sale · 2020 Mercedes-Benz C Class price guide

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Photos

72 photos of this car are on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.