2008 Hyundai Sonata vs 2008 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 | 2008 Hyundai Sonata | 2008 Mercedes-Benz S550 |
|---|---|---|
| NHTSA complaints | 425 | 19 |
| Recall campaigns | 3 | 0 |
| Service bulletins (TSBs) | 53 | 81 |
| Investigations | 4 | 0 |
| Crash reports | 19 | 1 |
| Fire reports | 11 | 0 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 22–25 | 16 |
| Median reported incident mileage | 65,250 mi | — |
Reported problems side by side
| Component | Hyundai Sonata | Mercedes-Benz S550 |
|---|---|---|
| Air Bags | 137 | 1 |
| Visibility | 67 | 0 |
| Engine | 48 | 2 |
| Electrical System | 32 | 4 |
| Service Brakes, Hydraulic | 30 | 1 |
| Electronic Stability Control (esc) | 30 | 0 |
| Visibility/wiper | 30 | 0 |
| Service Brakes | 21 | 0 |
Symptoms owners describe
| Airbag warning light | 79 | 0 |
| Rust / corrosion | 21 | 0 |
| Check engine light | 13 | 0 |
| Stalling | 12 | 0 |
| Clunking / rattling | 9 | 0 |
| Brake problems | 8 | 0 |
| Hesitation / surging | 6 | 0 |
| Overheating | 6 | 0 |
2008 Hyundai Sonata
2008 Mercedes-Benz S550
Compare all Hyundai Sonata 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.