2023 Mercedes-Benz GLB prices

There are 152 used 2023 Mercedes-Benz GLB cars for sale from UK dealers on AskCar, as of 10 November 2026. Typical asking price £24,500 (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: 90 of the 152 in the 14 days to 10 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 10 November 2026.

A 2023 Mercedes-Benz GLB 1.3 petrol car with 20,000 to 40,000 miles typically costs £25,000, 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£25,000£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£23,500
AMG Line Premium£24,000
AMG Line£27,500

Typical asking prices are of 2023 Mercedes-Benz GLB cars for sale on 10 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 10 November 2026.

AskCar lists 841 used Mercedes-Benz GLB across the UK, from 391 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.

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. 151 of the 152 cars listed here meet these rules. Pages 2 to 4 list every other 2023 Mercedes-Benz GLB car, cheapest first, including the one 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 835 priced Mercedes-Benz GLB adverts on AskCar as of 10 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 13,304 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 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 £2,600 to £6,370.

Newly advertised 2023 Mercedes-Benz GLB: first seen by AskCar in the 7 days to 10 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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