2015 Infiniti Q50 vs 2015 Mercedes-Benz C300
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Aug 8, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 2015 Infiniti Q50 | 2015 Mercedes-Benz C300 |
|---|---|---|
| NHTSA complaints | 124 | 378 |
| Recall campaigns | 3 | 11 |
| Service bulletins (TSBs) | 204 | 129 |
| Investigations | 0 | 3 |
| Crash reports | 16 | 9 |
| Fire reports | 2 | 1 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 22–31 | 28 |
| Median reported incident mileage | 28,429 mi | 50,000 mi |
Reported problems side by side
| Component | Infiniti Q50 | Mercedes-Benz C300 |
|---|---|---|
| Engine | 9 | 127 |
| Fuel/propulsion System | 3 | 66 |
| Electrical System | 17 | 50 |
| Structure | 2 | 57 |
| Power Train | 38 | 20 |
| Steering | 28 | 23 |
| Air Bags | 19 | 12 |
| Vehicle Speed Control | 21 | 5 |
Symptoms owners describe
| Check engine light | 15 | 42 |
| Stalling | 5 | 19 |
| Loss of power | 5 | 12 |
| Airbag warning light | 5 | 0 |
| Rust / corrosion | 0 | 25 |
| Vibration / shaking | 0 | 15 |
| Clunking / rattling | 0 | 7 |
| Steering problems | 0 | 6 |
2015 Infiniti Q50
2015 Mercedes-Benz C300
Compare all Infiniti Q50 vs Mercedes-Benz C300 years →
Method. Complaints are unique NHTSA reports. A vehicle that sold more units will naturally accumulate more complaints — use shares and read the underlying reports before drawing conclusions.