2010 Kia Rio vs 2010 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 | 2010 Kia Rio | 2010 Mercedes-Benz C300 |
|---|---|---|
| NHTSA complaints | 26 | 453 |
| Recall campaigns | 0 | 6 |
| Service bulletins (TSBs) | 35 | 117 |
| Investigations | 0 | 2 |
| Crash reports | 9 | 17 |
| Fire reports | 0 | 5 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 30–31 | 21 |
| Median reported incident mileage | — | 65,650 mi |
Reported problems side by side
| Component | Kia Rio | Mercedes-Benz C300 |
|---|---|---|
| Air Bags | 12 | 202 |
| Electrical System | 4 | 84 |
| Steering | 1 | 71 |
| Exterior Lighting | 0 | 48 |
| Structure | 2 | 34 |
| Fuel/propulsion System | 2 | 26 |
| Suspension | 1 | 26 |
| Engine | 4 | 13 |
Symptoms owners describe
| Rust / corrosion | 0 | 36 |
| Steering problems | 0 | 22 |
| Won’t start | 0 | 18 |
| Stalling | 0 | 6 |
| Airbag warning light | 0 | 6 |
| Overheating | 0 | 5 |
2010 Kia Rio
2010 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.