Mercury Montego: which model years draw the most owner complaints?
259 complaints filed with NHTSA about the Mercury Montego, model years 2004 to 2007. One model year stands out for the engine or transmission: 2005 (transmission). Counts of unverified owner reports, compared only with other years of the same model; not failure rates.
Complaints by model year
| MODEL YEAR | COMPLAINTS | VS OTHER YEARS | STANDS OUT | RECALLS |
|---|---|---|---|---|
| 2004 MontegoFEW REPORTS | 3 | — | 0 | |
| 2005 MontegoFEW REPORTS | 135 | transmission | 2 | |
| 2006 MontegoFEW REPORTS | 85 | — | 0 | |
| 2007 MontegoFEW REPORTS | 36 | — | 1 |
"Stands out" = 40 or more complaints naming that system and at least twice the model's quiet (lower-quartile) year, or twice the share seen across every vehicle of that model year. Newer years have had less time on the road. "Quiet" ranks only years with 7+ years on the road and 20+ complaints. NHTSA data through November 2026.
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Other Mercury models
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Source: NHTSA public complaints, recalls, service bulletin and investigation databases, data received through November 2026. Complaints are unverified reports from owners, not failure rates: sales volumes are unknown, so a model year is only compared with other years of the same model. Not a diagnosis and not financial advice. PulsCar is not affiliated with NHTSA. Year pages: