2007 Chevrolet Impala vs 2007 Mercedes-Benz S550
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 | 2007 Chevrolet Impala | 2007 Mercedes-Benz S550 |
|---|---|---|
| NHTSA complaints | 627 | 54 |
| Recall campaigns | 2 | 0 |
| Service bulletins (TSBs) | 934 | 91 |
| Investigations | 0 | 0 |
| Crash reports | 52 | 0 |
| Fire reports | 10 | 2 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 19–22 | 17 |
| Median reported incident mileage | 60,000 mi | 70,000 mi |
Reported problems side by side
| Component | Chevrolet Impala | Mercedes-Benz S550 |
|---|---|---|
| Electrical System | 128 | 11 |
| Steering | 101 | 3 |
| Suspension | 85 | 12 |
| Power Train | 80 | 13 |
| Engine | 77 | 8 |
| Tires | 55 | 0 |
| Air Bags | 49 | 3 |
| Vehicle Speed Control | 41 | 9 |
Symptoms owners describe
| Stalling | 65 | 7 |
| Vibration / shaking | 31 | 0 |
| Check engine light | 22 | 0 |
| Clunking / rattling | 18 | 0 |
| Hesitation / surging | 16 | 0 |
| Loss of power | 15 | 0 |
| Steering problems | 15 | 0 |
| Shifting problems | 10 | 0 |
2007 Chevrolet Impala
2007 Mercedes-Benz S550
Compare all Chevrolet Impala vs Mercedes-Benz S550 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.