2009 Chevrolet HHR vs 2009 Mercedes-Benz ML350
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 | 2009 Chevrolet HHR | 2009 Mercedes-Benz ML350 |
|---|---|---|
| NHTSA complaints | 508 | 93 |
| Recall campaigns | 4 | 3 |
| Service bulletins (TSBs) | 1,002 | 87 |
| Investigations | 1 | 1 |
| Crash reports | 20 | 1 |
| Fire reports | 7 | 6 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 23–26 | 18 |
| Median reported incident mileage | 60,000 mi | 71,000 mi |
Reported problems side by side
| Component | Chevrolet HHR | Mercedes-Benz ML350 |
|---|---|---|
| Electrical System | 151 | 17 |
| Air Bags | 104 | 40 |
| Steering | 127 | 1 |
| Fuel/propulsion System | 69 | 4 |
| Seat Belts | 11 | 18 |
| Structure | 21 | 5 |
| Electronic Stability Control (esc) | 25 | 0 |
| Service Brakes | 20 | 4 |
Symptoms owners describe
| Rust / corrosion | 45 | 0 |
| Airbag warning light | 42 | 0 |
| Steering problems | 22 | 0 |
| Stalling | 20 | 0 |
| Vibration / shaking | 15 | 0 |
| Check engine light | 13 | 0 |
| Loss of power | 12 | 0 |
| Won’t start | 6 | 0 |
2009 Chevrolet HHR
2009 Mercedes-Benz ML350
Compare all Chevrolet HHR vs Mercedes-Benz ML350 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.