2021 Mercedes-Benz E Class prices under £20,000

There are 24 used 2021 Mercedes-Benz E Class cars for sale under £20,000 from UK dealers on AskCar, as of 10 November 2026. Typical asking price £18,700 (the median: half cost less, half cost more). The cheapest is £2,000. The middle half are priced between £17,400 and £19,000. Median mileage: about 84,000 miles.

Dealers lowered the asking price on more than a third of 2021 Mercedes-Benz E Class cars under £20,000: 10 of the 24 in the 14 days to 10 November 2026.

AskCar lists 3,067 used Mercedes-Benz E Class across the UK, from 1,650 dealerships.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2021 Mercedes-Benz E Class cars for sale now under £20,000, page 1 of 2

This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage and recently reduced. 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. 22 of the 24 cars listed here meet these rules. Page 2 lists every other 2021 Mercedes-Benz E Class car, cheapest first, including the 2 the groups do not pick from.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 2,893 priced Mercedes-Benz E Class adverts on AskCar as of 10 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2021 Mercedes-Benz E Class.

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.

Best value 2021 Mercedes-Benz E Class: priced furthest below the AskCar estimate

Their asking prices run from £9,295 to £19,995.

Cheapest 2021 Mercedes-Benz E Class: the lowest asking prices

These 10 are priced £9,295 to £18,500. They have covered 42,000 to 139,500 miles.

Lowest-mileage 2021 Mercedes-Benz E Class

These 10 have covered 42,000 to 81,000 miles. Their asking prices run from £15,995 to £19,995.

Recently reduced 2021 Mercedes-Benz E Class: the biggest price reductions in the 14 days to 10 November 2026

The dealer lowered the asking price on each of these 10 in the 14 days to 10 November 2026. Their reductions since AskCar first saw them run from £300 to £3,000.

Mercedes-Benz E Class by gearbox, fuel and body

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

Mercedes-Benz E Class prices by year

2021 Mercedes-Benz E Class by price

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