Mercedes-Benz GLC
2nd gen X254 (2023–present)
Skip 2016, 2017, 2018. Prefer 2021, 2022 with documented service and closed recalls.
- ReliabilityMixedYear-sensitive
- Ownership cost$$$Brand typical
- Insurance$$Moderate
- Repair difficultyModerateDealer or indie
- Typical lifespanLong if maintainedHistory matters
Generations
- 1st gen X2532016–2022
- 2nd gen X2542023–presentCurrent
At a glance
- Worst years
- 2016, 2017, 2018
- Best years
- 2021, 2022
- Top failure
- 1st-gen PCV valve and 9G-Tronic harsh shifting
- Recommended tire
- Michelin CrossClimate2
- Must check
- VIN recalls + PPI
Years to avoid
Skip 2016, 2017, 2018. Prefer 2021, 2022 with closed recalls and a clean PPI.
- LayoutRWD / AWD
- Charactercompact luxury SUV
Engines
Which powertrains hold up — and which to walk away from.
- Year-dependent
See years-to-avoid guide
All
Reliability swings by model year — use the linked guide for the full map.
Transmissions
- Mixed
9G-Tronic
Most years
Confirm software updates and shift quality on 2016–2018 cars.
Ownership metrics
- Top failure theme
- 1st-gen PCV valve and 9G-Tronic harsh shiftingWorst-year cluster.
- Safer window
- 2021, 2022Best years in the guide.
- Must check
- Recalls + PPINon-negotiable.
Factory tire sizes
| Size | Years / trims | Best all-season | Shop |
|---|---|---|---|
| 235/60R18 | Common OE Many trims |  All-weather compact luxury SUV tire. | Live prices |
Recommended tires
Recalls
Run NHTSA by VIN
Multiple
Always confirm open campaigns before purchase.
Check recalls
Maintenance
| Interval | Service |
|---|---|
| Pre-purchase | Full PPI + recall check |
| Per schedule | Factory-spec fluid service |
Should you buy one?
Buy 2021, 2022. Skip 2016, 2017, 2018 unless history and pricing compensate.