Is the Mercedes-Benz GLS Reliable?
2017–2026 reliability analysis based on NHTSA safety recalls and owner complaints.
Reliability Score
Own a Mercedes-Benz GLS? Check your specific VIN for a full history report.
Mercedes-Benz GLS Reliability by Year
| Model Year | Recalls | Complaints | Injuries | Deaths | Reliability Score | Rating |
|---|---|---|---|---|---|---|
| 2026 | — | — | — | — | Not enough data | |
| 2025 | 1 | 12 | 4 | — | 74 | Good |
| 2024 | 0 | 11 | 2 | — | 80 | Excellent |
| 2023 | 0 | 11 | — | — | 94 | Excellent |
| 2022 | 4 | 12 | — | — | 83 | Excellent |
| 2021 | 3 | 19 | 2 | — | 82 | Excellent |
| 2020 | 8 | 37 | 7 | — | 57 | Fair |
| 2019 | 2 | 13 | 4 | — | 80 | Excellent |
| 2018 | 1 | 17 | — | — | 91 | Excellent |
| 2017 | 4 | 34 | 1 | — | 82 | Excellent |
Reliability scores are proprietary to VinCheckEngine and incorporate multiple weighted safety signals.
How the GLS Compares to Similar Vehicles
The GLS scores 10 points above the average luxury — a strong result.
Known Mercedes-Benz GLS Reliability Issues
The following components appear most frequently in owner complaints filed with NHTSA:
Based on 166 owner complaints across recent model years.
Frequently Asked Questions
Is the Mercedes-Benz GLS reliable?+
The Mercedes-Benz GLS scores 80/100 on our reliability index — rated "Excellent." Across 10 recently analyzed model years, it accumulated 23 recall campaigns and 166 owner complaints in the NHTSA database.
What year GLS is most reliable?+
Among the years analyzed, the 2023 GLS achieved the highest reliability score of 94/100 with 0 recalls and 11 complaints.
How many miles does a GLS last?+
With consistent maintenance, most Mercedes-Benz GLS owners report 150,000 to 200,000+ miles of service life. Checking the VIN of any specific used GLS will reveal its actual mileage history and any title events.
More Mercedes-Benz GLS Research
Check a Specific Mercedes-Benz GLS VIN
Model-level reliability scores show general trends. A VIN-specific report reveals the exact history of any individual vehicle — accidents, odometer records, auction events, and open recalls.
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