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

What a used Mercedes-Benz GLC Class costs in Ireland, how it does at the NCT, what goes wrong and what it costs to fix. Based on 379 for sale right now.

Typical asking price€47,450€24,450–€83,900 for most
For sale now37944% diesel
First-time NCT pass (2022)84%average for its age: 80%
In short: the Mercedes-Benz GLC Class passes the NCT more often than most cars its age (84% vs 80%), has no especially costly known faults, its most common engine usually lasts about 300k km.

Used Mercedes-Benz GLC 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€85,9000k km44
2026€73,9508k km49
2025€64,90018k km34
2024€61,85045k km29
2023€53,90066k km32
2022€40,00096k km47
2021€36,950101k km34
2020€31,950127k km29
2019€27,950133k km25
2018€25,950139k km27
2017€22,500168k km19
2016€18,950175k km10

Mercedes-Benz GLC Class NCT pass rate

How often Mercedes-Benz GLC Classes pass their NCT first time, against all cars the same age (Road Safety Authority (RSA), NCT make & model data 2025, initial tests).

YearPass first timeAll cars that age
202284%80%
202184%80%
202080%75%
201971%74%
201861%67%
201767%64%
201659%55%

Most common reasons a 2022 Mercedes-Benz GLC Class fails: wheels & tyres (5.3% of tests), wheel alignment (4% of tests, more than most cars), safety equipment (2.7% of tests), steering & suspension (2.1% of tests).

Common Mercedes-Benz GLC 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 Hybrid~300k km~€270183
2.0 Diesel~400k km~€27085
2.1 Diesel~400k km~€57035

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 GLC Class

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 GLC 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

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