Used Mercedes-Benz C Class saloon for sale under £20,000

There are 1,526 used Mercedes-Benz C Class saloon under £20,000 for sale from UK dealers on AskCar, as of 31 October 2026. Typical asking price £10,900 (the median: half cost less, half cost more). The cheapest is £690. AskCar lists 4,731 used Mercedes-Benz C Class across the UK, from 2,258 dealerships.

The middle half of the 1,526 cars are priced between £7,200 and £14,200.

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.

376 of the 1,526 cars had their price reduced in the last 14 days to 31 October 2026.

Median asking price by year

YearFor sale with a priceMedian asking priceMiddle half priced between
202132£18,100£15,600 to £19,000
2020101£16,200£14,300 to £18,000
2019206£14,800£12,800 to £16,700
2018168£13,000£11,000 to £15,000
2017190£12,000£10,000 to £14,000
2016183£10,400£9,000 to £12,200
2015187£9,500£8,000 to £11,000
2014118£8,800£7,300 to £10,200
201366£5,500£4,500 to £6,500
201263£4,900£4,000 to £5,500
201141£4,500£4,000 to £6,200
201041£3,800£3,000 to £5,000
200937£3,700£2,800 to £5,000
200825£3,800£2,900 to £6,000

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 4,532 priced Mercedes-Benz C Class adverts on AskCar as of 31 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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Mercedes-Benz C Class by gearbox, fuel and body

Mercedes-Benz C Class saloon by price

Mercedes-Benz C Class prices by year

Mercedes-Benz C Class by price

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