What's my 2018 Mercedes-Benz C Class worth?

A 2018 Mercedes-Benz C Class is typically advertised for around £11,000 in the UK, with the middle half of asking prices between £9,000 and £13,400. That's from 63 UK adverts for the 2018 C Class, with a typical advertised mileage of about 84,000 miles. It's a guide to asking prices, not a valuation: mileage, condition, trim and history all move the price of an individual car.

2018 Mercedes-Benz C Class asking prices by mileage
MileageMedian asking priceAdverts
40,000–80,000 miles£12,25023
Over 80,000 miles£10,00037

Typical asking prices from UK adverts (63 adverts for the 2018 Mercedes-Benz C Class, updated November 2026). Typical range is the middle half of asking prices. Mileage rows with fewer than 8 adverts are not shown.

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