2004 Cadillac XLR vs 2004 Mercedes-Benz SL500
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 | 2004 Cadillac XLR | 2004 Mercedes-Benz SL500 |
|---|---|---|
| NHTSA complaints | 34 | 44 |
| Recall campaigns | 4 | 0 |
| Service bulletins (TSBs) | 571 | 48 |
| Investigations | 1 | 1 |
| Crash reports | 2 | 4 |
| Fire reports | 0 | 3 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 18 | 17 |
| Median reported incident mileage | 42,250 mi | 76,000 mi |
Reported problems side by side
| Component | Cadillac XLR | Mercedes-Benz SL500 |
|---|---|---|
| Suspension | 0 | 21 |
| Structure | 11 | 1 |
| Service Brakes | 2 | 9 |
| Fuel System, Gasoline | 5 | 5 |
| Electrical System | 3 | 4 |
| Fuel/propulsion System | 3 | 4 |
| Power Train | 2 | 3 |
| Exterior Lighting | 4 | 0 |
Symptoms owners describe
| Clunking / rattling | 0 | 5 |
2004 Cadillac XLR
2004 Mercedes-Benz SL500
Compare all Cadillac XLR vs Mercedes-Benz SL500 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.