2016 Kia Rio vs 2016 Mercedes-Benz C300
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Aug 7, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 2016 Kia Rio | 2016 Mercedes-Benz C300 |
|---|---|---|
| NHTSA complaints | 77 | 285 |
| Recall campaigns | 2 | 13 |
| Service bulletins (TSBs) | 89 | 141 |
| Investigations | 1 | 2 |
| Crash reports | 7 | 7 |
| Fire reports | 5 | 5 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 30–31 | 28 |
| Median reported incident mileage | 50,500 mi | 42,000 mi |
Reported problems side by side
| Component | Kia Rio | Mercedes-Benz C300 |
|---|---|---|
| Engine | 38 | 93 |
| Fuel/propulsion System | 4 | 57 |
| Electrical System | 8 | 32 |
| Structure | 2 | 26 |
| Power Train | 5 | 18 |
| Steering | 3 | 13 |
| Service Brakes | 5 | 9 |
| Visibility | 1 | 12 |
Symptoms owners describe
| Oil consumption | 15 | 0 |
| Check engine light | 7 | 41 |
| Stalling | 6 | 10 |
| Loss of power | 0 | 6 |
| Rust / corrosion | 0 | 6 |
2016 Kia Rio
2016 Mercedes-Benz C300
Compare all Kia Rio 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.