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Mercedes-Benz GLA-Class buying guide (Ireland, 2026)

What a used Mercedes-Benz GLA-Class costs in Ireland, how it does at the NCT, what goes wrong and what it costs to fix. Based on 310 for sale right now.

Typical asking price€39,900€16,600–€61,900 for most
For sale now31041% diesel
First-time NCT pass (2021)84%other cars the same year: 80%
In short: the Mercedes-Benz GLA-Class passes the NCT more often than other cars the same year (84% vs 80%), has no especially costly known faults and its most common engine usually lasts about 400k km.

Our take on the Mercedes-Benz GLA-Class

A 2023 Mercedes-Benz GLA-Class typically advertises at €38,900 and a 2018 one at €22,000, so it loses roughly 11% of its value a year at that age. At the NCT, the 2014–2021 cars do better than other cars the same year. The 2.0 diesel is the most common engine (46% of those with a known engine), and it usually lasts around 400k km.

Check a Mercedes-Benz GLA-Class's priceNCT pass rate by year

Used Mercedes-Benz GLA-Class 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.

YearTypical priceTypical mileageFor sale
2027€61,5000k km45
2026€56,9501k km52
2025€49,85014k km22
2024€43,95036k km24
2023€38,90056k km30
2022€35,95072k km20
2021€29,250106k km12
2020€28,50070k km6
2019€24,95091k km11
2018€22,000114k km25
2017€18,95095k km25
2016€17,90079k km20
2015€16,60075k km16

Mercedes-Benz GLA-Class NCT pass rate

How often Mercedes-Benz GLA-Classes pass their NCT first time, compared with other cars the same year (Road Safety Authority (RSA), NCT make & model data 2025, initial tests).

YearPass first timeOther cars, same year
202184%80%
201978%74%
201878%67%
201759%64%
201670%55%
201557%53%
201470%51%

Most common reasons a 2021 Mercedes-Benz GLA-Class fails: wheels & tyres (4.7% of tests), safety equipment (2.6% of tests), shock absorbers (2.6% of tests, more than most cars), wheel alignment (2.4% of tests, more than most cars).

Common Mercedes-Benz GLA-Class 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

EngineUsually lastsMotor tax / yearFor sale
2.0 Diesel~400k km~€20098
1.3 Hybrid~300k km~€18039
1.6 Petrol~300k km~€27036
1.3 Petrol~300k km~€21026
2.1 Diesel~400k km~€28014

2.0 Diesel: usual problem: injector seals and timing chain on 2.1 CDI.

2.1 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 GLA-Class

Parts from AUTODOC Ireland: pick your car on the parts page to get the right fit.

Brake discsBrake padsClutch kitsTiming chain kitsShock absorbersWheel bearingsTrack rod endsFiltersWiper bladesHeadlight bulbsGlow plugsEGR valves

Quick bits on Amazon

Faster delivery for small things.

Wiper bladesBulbsBatteryOBD2 fault code readerJump starter

Before you buy a used Mercedes-Benz GLA-Class

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.

Other Mercedes-Benz guides

Mercedes-Benz E-ClassMercedes-Benz A-ClassMercedes-Benz C-ClassMercedes-Benz CLA-ClassMercedes-Benz GLC-ClassMercedes-Benz GLE-ClassMercedes-Benz B-ClassMercedes-Benz GLB