2018 Mercedes-Benz B Class prices

There are 67 used 2018 Mercedes-Benz B Class cars for sale from UK dealers on AskCar, as of 9 November 2026. Typical asking price £10,500 (the median: half cost less, half cost more). The cheapest is £5,799. The middle half are priced between £9,000 and £11,800. Median mileage: about 49,000 miles.

Dealers lowered the asking price on more than a quarter of 2018 Mercedes-Benz B Class cars: 18 of the 67 in the 14 days to 9 November 2026.

2018 Mercedes-Benz B Class prices by engine and mileage

A 2018 Mercedes-Benz B Class 2.1 diesel car typically costs £10,900, against £10,200 for the 1.6 petrol, as of 9 November 2026.

EngineAll mileagesUnder 20,000 miles20,000 to 40,000 miles40,000 to 60,000 miles60,000 miles or more
1.6 petrol£10,200Too few for saleToo few for saleToo few for saleToo few for sale
2.1 diesel£10,900Too few for saleToo few for saleToo few for saleToo few for sale

Only 18 of the 2018 Mercedes-Benz B Class cars for sale have the 1.5 diesel engine, too few to give a typical asking price.

Typical asking prices are of 2018 Mercedes-Benz B Class cars for sale on 9 November 2026, and are given only where at least 20 cars with a price are for sale.

2018 Mercedes-Benz B Class against other years

A 2017 Mercedes-Benz B Class car has a typical asking price of £9,400 and a 2019 one £13,000, as of 9 November 2026.

AskCar lists 778 used Mercedes-Benz B Class across the UK, from 624 dealerships.

As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2018 Mercedes-Benz B Class 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 66 cars listed here meet these rules. Page 2 lists every other 2018 Mercedes-Benz B Class car, cheapest first.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 749 priced Mercedes-Benz B Class adverts on AskCar as of 9 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2018 Mercedes-Benz B 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.

This list leaves out 1 car whose advertised mileage is lower than the mileage recorded at its last MOT test.

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

These 10 are priced 5% to 15% under their AskCar estimate. Their asking prices run from £6,000 to £10,995.

Cheapest 2018 Mercedes-Benz B Class: the lowest asking prices

These 10 are priced £5,799 to £7,995. They have covered 64,750 to 123,199 miles.

Lowest-mileage 2018 Mercedes-Benz B Class

These 10 have covered 15,450 to 27,000 miles. Their asking prices run from £10,780 to £14,795.

Recently reduced 2018 Mercedes-Benz B Class: the biggest price reductions in the 14 days to 9 November 2026

The dealer lowered the asking price on each of these 10 in the 14 days to 9 November 2026. Their reductions since AskCar first saw them run from £770 to £1,770.

Newly advertised 2018 Mercedes-Benz B Class: first seen by AskCar in the 7 days to 9 November 2026

These 7 are the most recently advertised. Cars first seen on the same day are listed cheapest first.

Mercedes-Benz B Class by gearbox, fuel and body

Mercedes-Benz B Class prices by year

Mercedes-Benz B Class by trim

Mercedes-Benz B Class by price

Mercedes-Benz B Class near you

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