2018 Mercedes-Benz C Class 2.1
Version: 2.1 Auto Euro 6 5dr
Price: £21,795. Above the going rate: £4,533 (26%) over the AskCar estimate of £17,262, 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
- 2.1 Auto Euro 6 5dr
- Mileage
- 28,198 miles
- Year
- 2018
- Fuel type
- Diesel
- Body type
- Estate
- Engine
- 2.1 L
- Gearbox
- Automatic
- Seats
- 5
- CO2
- 123 g/km
- Colour
- Black
- Doors
- 5
- Emissions standard
- Euro 6
About this car
This 2018 Mercedes-Benz C Class has covered 28,198 miles, around 36,800 fewer miles than is typical for its age. The AskCar estimate for this car is £17,262. It is priced at £21,795, which is £4,533 above that estimate. 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 first recorded this car for sale today. Its recorded MOT is valid until 4 January 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is Sandown Group Mercedes-Benz of Poole, based in Poole.
Stock data as of 31 October 2026.
Price history
AskCar first saw this advert on 31 October 2026.
| Date observed | Asking price |
|---|---|
| 31 October 2026 | £21,795 |
Price and mileage comparison
Above the going rate: £4,533 (26%) over the AskCar estimate of £17,262.
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 36,800 miles lower 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 4 January 2027. 25,803 miles at the last test.
Other matching cars
13 other 2018 Mercedes-Benz C Class automatic diesel cars are for sale at UK dealers from £8,450 to £19,999, as of 31 October 2026.
The 5 cheapest:
- 2018 Mercedes-Benz C Class. Price: £8,450. Mileage: 110,480 miles. Dealer: Hybrid and Prestige Guy in Leicester. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-aa8105ed5cef
- 2018 Mercedes-Benz C Class. Price: £10,145. Mileage: 88,979 miles. Dealer: Infinity Motors in Swindon. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-06589457c042
- 2018 Mercedes-Benz C Class. Price: £10,199. Mileage: 91,824 miles. Dealer: The Motor Group in Wisbech. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-cb28ad6c6414
- 2018 Mercedes-Benz C Class. Price: £10,595. Mileage: 86,860 miles. Dealer: Parkland Motors in Costock. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-730156c6e028
- 2018 Mercedes-Benz C Class. Price: £10,799. Mileage: 100,540 miles. Dealer: Demand Cars in Peldon. AskCar page: https://askcar.co.uk/car/mercedes-benz-c-class-2018-77908c722cd6
The 13 matching cars have covered 10,984 to 110,480 miles, compared with 28,198 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
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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.