Used diesel Mercedes-Benz C Class for sale in Northern Ireland

There are 84 used diesel Mercedes-Benz C Class for sale from UK dealers in Northern Ireland on AskCar, as of 29 October 2026. Typical asking price £15,800 (the median: half cost less, half cost more). The cheapest is £2,550. AskCar lists 4,876 used Mercedes-Benz C Class across the UK, from 2,356 dealerships.

The middle half of the 84 cars are priced between £11,400 and £22,000.

As of 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

Price reductions in Northern Ireland

7 cars in Northern Ireland had their price reduced in the last 14 days to 29 October 2026. Of those priced between £1,000 and £60,000, these 7 have the biggest reductions in pounds since AskCar first saw them.

Cars for sale now

Best value first: the cars priced furthest below their AskCar estimate come first, and those without one come after. The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 4,525 priced Mercedes-Benz C Class adverts on AskCar as of 29 October 2026.

Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer and town; AskCar page.

Cheaper cars like each one, with its price history, are on its AskCar page.

Diesel Mercedes-Benz C Class near you

Mercedes-Benz C Class in Northern Ireland by price

Mercedes-Benz C Class across the UK by price

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