Mercedes-Benz GLS
3rd gen X167 (2020–present)
Skip 2007, 2008, 2013, 2014, 2020, 2021, 2022. Prefer 2010–2012, 2017–2019, 2023, 2024 with documented service and closed recalls.
- ReliabilityMixedYear-sensitive
- Ownership cost$$$$Brand typical
- Insurance$$$Higher
- Repair difficultyModerateDealer or indie
- Typical lifespanLong if maintainedHistory matters
Generations
- 1st gen X164 (GL)2007–2012
- 2nd gen X1662013–2019
- 3rd gen X1672020–presentCurrent
At a glance
- Worst years
- 2007, 2008, 2013, 2014, 2020, 2021, 2022
- Best years
- 2010–2012, 2017–2019, 2023, 2024
- Top failure
- AIRMATIC air suspension failure
- Recommended tire
- Michelin CrossClimate2
- Must check
- VIN recalls + PPI
Years to avoid
Skip 2007, 2008, 2013, 2014, 2020–2022. Prefer 2010–2012, 2017–2019, 2023, 2024 with closed recalls and a clean PPI.
- LayoutAWD
- Characterfull-size 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
Automatic (typical)
Most years
Confirm software updates on 2020–2022 cars.
Ownership metrics
- Top failure theme
- AIRMATIC air suspension failureWorst-year cluster.
- Safer window
- 2010–2012, 2017–2019, 2023, 2024Best years in the guide.
- Must check
- Recalls + PPINon-negotiable.
Factory tire sizes
| Size | Years / trims | Best all-season | Shop |
|---|---|---|---|
| 275/50R20 | Common OE Many trims |  All-weather full-size 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 2010–2012, 2017–2019, 2023, 2024. Skip 2007, 2008, 2013, 2014, 2020–2022 unless history and pricing compensate.