Mercury Monterey: which model years draw the most owner complaints?
453 complaints filed with NHTSA about the Mercury Monterey, model years 2004 to 2007. 2 model years stand out for the engine or transmission: 2004 (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 Monterey | 283 | transmission | 5 | |
| 2005 MontereyFEW REPORTS | 119 | transmission | 4 | |
| 2006 MontereyFEW REPORTS | 44 | — | 3 | |
| 2007 MontereyFEW REPORTS | 7 | — | 2 |
"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: 2004