2014 Chevrolet Impala vs 2014 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 | 2014 Chevrolet Impala | 2014 Mercedes-Benz S550 |
|---|---|---|
| NHTSA complaints | 631 | 24 |
| Recall campaigns | 12 | 5 |
| Service bulletins (TSBs) | 2,028 | 133 |
| Investigations | 2 | 1 |
| Crash reports | 19 | 4 |
| Fire reports | 8 | 0 |
| NCAP overall rating | 5/5 | — |
| EPA MPG (combined) | 21–24 | 20 |
| Median reported incident mileage | 62,510 mi | — |
Reported problems side by side
| Component | Chevrolet Impala | Mercedes-Benz S550 |
|---|---|---|
| Electrical System | 220 | 1 |
| Steering | 138 | 3 |
| Electronic Stability Control (esc) | 104 | 0 |
| Service Brakes | 83 | 2 |
| Engine | 56 | 0 |
| Air Bags | 43 | 2 |
| Exterior Lighting | 43 | 1 |
| Lane Departure | 40 | 1 |
Symptoms owners describe
| Stalling | 35 | 0 |
| Loss of power | 33 | 0 |
| Check engine light | 28 | 0 |
| Rust / corrosion | 26 | 0 |
| Steering problems | 22 | 0 |
| Electrical failures | 20 | 0 |
| Hesitation / surging | 18 | 0 |
| Vibration / shaking | 14 | 0 |
2014 Chevrolet Impala
2014 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.