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

There are 3,444 used Mercedes-Benz C Class under £20,000 for sale from UK dealers on AskCar, as of 29 October 2026. Typical asking price £12,000 (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 3,444 cars are priced between £8,200 and £15,300.

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.

847 of the 3,444 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
202169£18,100£16,500 to £19,000
2020179£17,000£15,000 to £18,500
2019503£15,200£13,300 to £17,000
2018474£14,000£12,000 to £16,000
2017596£13,000£11,000 to £15,000
2016450£11,500£9,500 to £13,700
2015340£9,000£7,300 to £10,900
2014220£8,000£6,500 to £10,000
2013120£5,700£4,700 to £7,000
2012141£5,000£4,200 to £6,400
201174£4,500£3,800 to £6,000
201051£4,000£3,100 to £5,000
200953£3,800£2,800 to £5,000
200838£3,700£2,500 to £5,800
200730£2,900£2,300 to £3,400
200622£2,000£1,500 to £2,500

Cars for sale now, page 34 of 35

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.

·

Mercedes-Benz C Class by gearbox, fuel and body

Mercedes-Benz C Class under £20,000 by gearbox, fuel and body

Mercedes-Benz C Class prices by year

Mercedes-Benz C Class by price

Mercedes-Benz C Class near you

More Mercedes-Benz

Same budget

Everything