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Mercedes-Benz GLB buying guide (Ireland, 2026)
What a used Mercedes-Benz GLB costs in Ireland, how it does at the NCT, what goes wrong and what it costs to fix. Based on 145 for sale right now.
Used Mercedes-Benz GLB prices by year
Typical asking price by registration year, and typical mileage. Private sellers usually take 5–10% less than asking; expect dealers to be a little dearer.
| Year | Typical price | Typical mileage | For sale |
|---|---|---|---|
| 2027 | €69,450 | 0k km | 36 |
| 2026 | €63,900 | 1k km | 43 |
| 2025 | €54,950 | 19k km | 5 |
| 2024 | €46,950 | 53k km | 10 |
| 2023 | €41,950 | 59k km | 17 |
| 2022 | €33,850 | 102k km | 9 |
| 2021 | €32,950 | 120k km | 18 |
| 2020 | €29,950 | 110k km | 7 |
Mercedes-Benz GLB NCT pass rate
How often Mercedes-Benz GLBs pass their NCT first time, against all cars the same age (Road Safety Authority (RSA), NCT make & model data 2025, initial tests).
| Year | Pass first time | All cars that age | |
|---|---|---|---|
| 2022 | 75% | 80% | |
| 2021 | 75% | 80% | |
| 2020 | 73% | 75% |
Most common reasons a 2022 Mercedes-Benz GLB fails: safety equipment (7.5% of tests, more than most cars), shock absorbers (7.2% of tests, more than most cars), wheels & tyres (4.2% of tests), wheel alignment (3.9% of tests, more than most cars).
Common Mercedes-Benz GLB problems
Known weak spots to check before you buy, with typical Irish garage costs if the problem is there.
Automatic gearbox health · €300–€2,500
Make sure the gear changes are smooth when warm, check for a gearbox warning light and ask if the gearbox oil was ever changed.
Engines and how long they last
| Engine | Usually lasts | Motor tax / year | For sale |
|---|---|---|---|
| 2.0 Diesel | ~400k km | ~€270 | 85 |
| 1.3 Petrol | ~300k km | ~€280 | 9 |
| 1.5 Hybrid | ~300k km | ~€190 | 8 |
2.0 Diesel: usual problem: injector seals and timing chain on 2.1 CDI.
"Usually lasts" is the mileage these engines commonly reach before major work; service history matters more than the number.
Parts for the Mercedes-Benz GLB
Enter the reg on the parts page to get the right fit.
Brake discsBrake padsClutch kitsBatteriesShock absorbersWheel bearingsWiper bladesBulbsGlow plugsEGR valves
Before you buy a used Mercedes-Benz GLB
Run a history check on the reg (write-off, finance owing, mileage), ask when the last service was done and for receipts, and start it from cold yourself. The used car checklist takes you through a viewing step by step.
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