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

There are 1,609 used petrol Mercedes-Benz C Class under £30,000 for sale from UK dealers on AskCar, as of 29 October 2026. Typical asking price £16,500 (the median: half cost less, half cost more). The cheapest is £690. AskCar lists 4,876 used Mercedes-Benz C Class across the UK, from 2,356 dealerships.

The middle half of the 1,609 cars are priced between £11,500 and £24,000.

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.

516 of the 1,609 cars had their price reduced in the last 14 days to 29 October 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202597£27,500£26,500 to £28,500
202423£27,000£25,500 to £29,000
202386£26,500£25,000 to £28,500
202279£25,000£23,000 to £27,000
202140£20,500£18,000 to £22,000
202081£18,200£15,000 to £23,000
2019273£16,000£13,800 to £18,800
2018219£16,000£13,500 to £20,500
2017165£15,000£12,000 to £18,300
2016126£16,000£12,500 to £22,000
201591£10,900£8,800 to £13,500
201443£10,000£7,900 to £15,300
201351£9,000£6,000 to £20,000
201251£6,000£4,800 to £12,000
201130£7,100£5,000 to £17,700
201029£4,700£3,500 to £6,800
200930£4,000£2,800 to £7,000
200820£4,000£3,400 to £7,600

Cars for sale now, page 7 of 17

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.

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