2018 Mercedes-Benz C Class SE prices

There are 21 used 2018 Mercedes-Benz C Class SE cars for sale from UK dealers on AskCar, as of 11 November 2026. Typical asking price £10,500 (the median: half cost less, half cost more). The cheapest is £6,750. The middle half are priced between £9,000 and £12,000. Median mileage: about 72,000 miles.

Dealers lowered the asking price on more than one in five of 2018 Mercedes-Benz C Class SE cars: 5 of the 21 in the 14 days to 11 November 2026.

2018 Mercedes-Benz C Class SE against other years

A 2019 Mercedes-Benz C Class SE car has a typical asking price of £12,500, as of 11 November 2026.

AskCar lists 4,845 used Mercedes-Benz C Class across the UK, from 2,337 dealerships.

As of 11 November 2026, AskCar lists 593,449 cars and vans from 12,847 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2018 Mercedes-Benz C Class SE cars for sale now, page 1 of 2

This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage, recently reduced and newly advertised. A car in more than one group is listed in full once. The groups pick only from cars with photos and an AskCar estimate, priced at £500 or more and no more than 25% under that estimate. All 19 cars listed here meet these rules. Page 2 lists every other 2018 Mercedes-Benz C Class SE car, cheapest first.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 4,618 priced Mercedes-Benz C Class adverts on AskCar as of 11 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2018 Mercedes-Benz C Class SE.

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. Each car's AskCar page has its full price history and cheaper cars like it.

This list leaves out 2 cars whose advertised mileage is lower than the mileage recorded at their last MOT test.

Best value 2018 Mercedes-Benz C Class SE: priced furthest below the AskCar estimate

These 10 are priced 2% to 12% under their AskCar estimate. Their asking prices run from £7,495 to £14,495.

Cheapest 2018 Mercedes-Benz C Class SE: the lowest asking prices

These 10 are priced £7,495 to £10,495. They have covered 49,000 to 113,181 miles.

Lowest-mileage 2018 Mercedes-Benz C Class SE

These 10 have covered 25,300 to 71,800 miles. Their asking prices run from £8,395 to £14,495.

Recently reduced 2018 Mercedes-Benz C Class SE: the biggest price reductions in the 14 days to 11 November 2026

The dealer lowered the asking price on each of these 5 in the 14 days to 11 November 2026. Their reductions since AskCar first saw them run from £93 to £2,239.

Newly advertised 2018 Mercedes-Benz C Class SE: first seen by AskCar in the 7 days to 11 November 2026

These 3 are the most recently advertised. Cars first seen on the same day are listed cheapest first.

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2018 Mercedes-Benz C Class by trim

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