Used petrol Mercedes-Benz C Class for sale under £30,000

There are 1,569 used petrol Mercedes-Benz C Class under £30,000 for sale from UK dealers on AskCar, as of 30 October 2026. Typical asking price £16,600 (the median: half cost less, half cost more). The cheapest is £690. AskCar lists 4,734 used Mercedes-Benz C Class across the UK, from 2,267 dealerships.

The middle half of the 1,569 cars are priced between £11,900 and £24,000.

As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

515 of the 1,569 cars had their price reduced in the last 14 days to 30 October 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202598£27,500£26,500 to £28,500
202422£27,000£25,500 to £29,000
202385£26,500£25,000 to £28,500
202276£24,500£23,000 to £27,000
202141£20,500£18,200 to £22,000
202076£18,100£15,200 to £23,000
2019269£16,000£13,800 to £19,000
2018218£16,000£13,700 to £21,000
2017167£15,000£12,000 to £18,700
2016121£16,000£12,500 to £23,000
201588£11,000£9,000 to £13,400
201439£10,500£7,900 to £19,400
201350£9,200£6,000 to £20,000
201247£6,000£4,800 to £13,500
201128£6,600£4,900 to £16,500
201029£4,700£3,500 to £6,600
200928£4,000£2,900 to £8,900

Cars for sale now, page 9 of 16

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 4,537 priced Mercedes-Benz C Class adverts on AskCar as of 30 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.

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