2014 Mercedes-Benz ML-Class: owner complaints and recalls
Analysis of 73 owner complaints filed with NHTSA and 0 recall campaigns. Updated 2026-07-25.
73
Complaints
0
Recalls
7
Crash reports
2
Fire reports
3
Injuries
87.7
Severity index
Severity index 87.7 - Medium. This weights crashes, fires, injuries and fatalities per 100 complaints; see methodology.
Among the 139 2014 vehicles we track with at least 40 complaints on file, the 2014 Mercedes-Benz ML-Class ranks 48 of 139 by severity, where 1 is the worst. Its severity is higher than 65% of its model-year peers. See the full 2014 ranking.
What actually fails
| Component | Complaints | Share of complaints citing it |
|---|---|---|
| ELECTRICAL SYSTEM | 21 | 28.8% |
| ENGINE | 19 | 26.0% |
| UNKNOWN OR OTHER | 18 | 24.7% |
| FUEL SYSTEM | 10 | 13.7% |
| FUEL/PROPULSION SYSTEM | 7 | 9.6% |
| GASOLINE | 5 | 6.8% |
| DIESEL | 5 | 6.8% |
| LANE DEPARTURE | 5 | 6.8% |
The single most-reported system is ELECTRICAL SYSTEM, cited in 21 of 73 complaints (28.8%). One complaint can name several systems, so these shares overlap and do not total 100%.
Complaints filed per year
| Year | Complaints |
|---|---|
| 2014 | 1 |
| 2015 | 6 |
| 2016 | 3 |
| 2017 | 6 |
| 2018 | 11 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 10 |
| 2023 | 10 |
| 2024 | 5 |
| 2025 | 10 |
| 2026 (year to date) | 4 |
Complaint volume is rising - the last three years carry 1.7x the filings of the three before them, which usually signals a wear-related defect surfacing with age.
Source. US National Highway Traffic Safety Administration public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-07-25. Complaints are unverified consumer reports; volume is influenced by how many units were sold and how long the vehicle has been on the road. Not affiliated with NHTSA or any manufacturer.