2018 Mercedes-Benz C Class

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

£15,479

Fair price: within 8% of the typical £15,451 for this model, age and mileage, drawing on 4,576 adverts of this make and model.

Overview

Make
Mercedes-Benz
Model
C Class
Trim
AMG LINE PREMIUM
Version
2.0 C300d AMG Line Premium G-Tronic+ RWD Euro 6 (s/s) 2dr Cabriolet (242 bhp)
Mileage
64,660 miles
Year
2018
Fuel type
Diesel
Body type
Convertible
Engine
2.0 L
Gearbox
Automatic
Power
242 bhp
Seats
4
CO2
138 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 2018 Mercedes-Benz C Class AMG Line Premium is advertised with 64,660 miles on the clock. Our estimated market asking price is £15,451. This car is advertised at £15,479, which is £28 above that figure. The estimate uses 4,576 UK dealer adverts for the Mercedes-Benz C Class, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 54 days ago. Its asking price has since fallen by £1,511. The latest MOT record shows an expiry date of 18 February 2027, with the advertised mileage consistent with the recorded reading. You can find this car at Cargem in Rainham.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 29 August 2026, 54 days ago. Advert duration calculated on 22 October 2026. Net asking-price reduction: £1,511 from the first recorded £16,990. 6 price reductions recorded, the latest observed on 13 October 2026.

Recorded asking prices
Date observedAsking price
29 August 2026£16,990
6 September 2026£15,991
19 September 2026£15,901
25 September 2026£15,812
3 October 2026£15,720
9 October 2026£15,564
13 October 2026£15,479
21 October 2026£15,479

Price and mileage comparison

Estimated market asking price: £15,451. The asking price is £28 above this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 4,576 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 1,200 miles higher than typical for a 2018 Mercedes-Benz C Class.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 18 February 2027. 62,796 miles at the last test.

42 other cars with the same year, trim, gearbox and fuel are for sale from £10,290 to £18,999.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£10,290109,139 miles
£10,790105,738 miles
£10,950111,602 miles
£10,990121,408 miles
£10,99983,000 miles

These cars have covered 10,000–121,408 miles, compared with 64,660 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Mercedes-Benz C Class cars for sale · 2018 Mercedes-Benz C Class price guide

Similar cars for less

Dealer

Cargem, Rainham. Across the dealer network: 727 cars for sale.

Dealer postcode: RM13 8RH.

Dealer opening hours

Monday
09:00-21:00
Tuesday
09:00-21:00
Wednesday
09:00-21:00
Thursday
09:00-21:00
Friday
09:00-21:00
Saturday
09:00-20:00
Sunday
10:00-17:00

Vehicle photos