2018 Mercedes-Benz C Class 3.0

Version: 3.0 Auto 4WD Euro 6 4dr (361 bhp)

Price: £20,995. Fair price: £789 (3%) over the AskCar estimate of £20,206, 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
Version
3.0 Auto 4WD Euro 6 4dr (361 bhp)
Mileage
73,000 miles
Year
2018
Fuel type
Petrol
Body type
Saloon
Engine
3.0 L
Gearbox
Automatic
Power
361 bhp
Seats
5
CO2
183 g/km
Colour
Blue
Doors
4
Driven wheels
Four Wheel Drive
Emissions standard
Euro 6

About this car

With 73,000 miles on the clock, this 2018 Mercedes-Benz C Class has done roughly 8,000 more miles than a typical 2018 Mercedes-Benz C Class. The dealer is asking £20,995, which is £789 above the AskCar estimate of £20,206. To work out the AskCar estimate, we analyse UK dealer adverts for 4,532 Mercedes-Benz C Class cars across different ages and specifications. We have tracked this advert today. MOT records show an expiry date of 19 March 2027, and the latest recorded mileage is consistent with the advert. It is for sale at Grays of Holbeach in Spalding.

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£20,995

Price and mileage comparison

Fair price: £789 (3%) over the AskCar estimate of £20,206.

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 8,000 miles higher than the median mileage of a 2018 Mercedes-Benz C Class on AskCar.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT: valid until 19 March 2027. 65,702 miles at the last test.

Other matching cars

21 other 2018 Mercedes-Benz C Class automatic petrol cars are for sale at UK dealers from £9,999 to £39,995, as of 31 October 2026.

The 5 cheapest:

The 21 matching cars have covered 35,400 to 93,500 miles, compared with 73,000 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 · 2018 Mercedes-Benz C Class price guide

More like this

Photos

30 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.