2023 Mercedes-Benz GLB prices

This 2023 Mercedes-Benz GLB is no longer listed. Here are similar cars for sale now.

There are 149 used 2023 Mercedes-Benz GLB cars for sale from UK dealers on AskCar, as of 9 November 2026. Typical asking price £25,000 (the median: half cost less, half cost more). The cheapest is £17,500. The middle half are priced between £22,000 and £27,000. Median mileage: about 34,000 miles.

Dealers lowered the asking price on more than half of 2023 Mercedes-Benz GLB cars: 88 of the 149 in the 14 days to 9 November 2026.

2023 Mercedes-Benz GLB prices by engine and mileage

A 2023 Mercedes-Benz GLB 2.0 diesel car typically costs £26,000, against £24,000 for the 1.3 petrol, as of 9 November 2026.

A 2023 Mercedes-Benz GLB 1.3 petrol car with 20,000 to 40,000 miles typically costs £25,500, against £21,000 with 60,000 miles or more.

EngineAll mileagesUnder 20,000 miles20,000 to 40,000 miles40,000 to 60,000 miles60,000 miles or more
1.3 petrol£24,000Too few for sale£25,500£22,500£21,000
2.0 diesel£26,000Too few for saleToo few for saleToo few for saleToo few for sale

Only 13 of the 2023 Mercedes-Benz GLB cars for sale have the 1.9 diesel engine, too few to give a typical asking price.

2023 Mercedes-Benz GLB prices by trim

TrimTypical asking price, 2023 cars
AMG Line Executive£23,000
AMG Line Premium£24,000
AMG Line£28,500

Typical asking prices are of 2023 Mercedes-Benz GLB cars for sale on 9 November 2026, and are given only where at least 20 cars with a price are for sale.

2023 Mercedes-Benz GLB against other years

A 2022 Mercedes-Benz GLB car has a typical asking price of £22,500 and a 2024 one £29,000, as of 9 November 2026.

AskCar lists 807 used Mercedes-Benz GLB across the UK, from 376 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.

2023 Mercedes-Benz GLB cars for sale now, page 1 of 4

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. 147 of the 149 cars listed here meet these rules. Pages 2 to 4 list every other 2023 Mercedes-Benz GLB 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 802 priced Mercedes-Benz GLB adverts on AskCar as of 9 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2023 Mercedes-Benz GLB.

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 2023 Mercedes-Benz GLB: priced furthest below the AskCar estimate

These 10 are priced 7% to 22% under their AskCar estimate. Their asking prices run from £17,500 to £26,749.

Cheapest 2023 Mercedes-Benz GLB: the lowest asking prices

These 10 are priced £17,500 to £20,490. They have covered 34,453 to 81,000 miles.

Lowest-mileage 2023 Mercedes-Benz GLB

These 10 have covered 2,261 to 13,422 miles. Their asking prices run from £24,599 to £39,950.

Recently reduced 2023 Mercedes-Benz GLB: 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 £2,600 to £6,250.

Newly advertised 2023 Mercedes-Benz GLB: first seen by AskCar in the 7 days to 9 November 2026

These 10 are the most recently advertised. Cars first seen on the same day are listed cheapest first.

Mercedes-Benz GLB by gearbox, fuel and body

Mercedes-Benz GLB prices by year

Mercedes-Benz GLB by trim

2023 Mercedes-Benz GLB by trim

Mercedes-Benz GLB by price

Mercedes-Benz GLB near you

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