2004 Mercury Monterey electrical system problems
11 owner complaints filed with NHTSA name the electrical system on the 2004 Mercury Monterey — 4% of all complaints for this model year.
What owners report
“Odometer Fraud. The contact purchased a 2004 Mercury Monterey. It was discovered that there was a mileage discrepancy. The vehicle was a dealer sale. At the time of purchase, the mileage was 223,476 and at the time of registration, it was discovered that the mileage was 361,749.”
filed Feb 3, 2026
“Tl* the contact owns a 2004 mercury monterey. The contact stated that while driving at approximately 45 mph, the power train warning light illuminated and the vehicle stalled. The vehicle was towed to the contact's residence where the ecm module was replaced by the contact. The vehicle was repaired…”
filed Jan 27, 2015
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Electrical System problems in other Monterey years
| Year | Reports | Share |
|---|---|---|
| 2006 Monterey | 2 | 5% |
| 2005 Monterey | 6 | 5% |
Other reported problem areas on the 2004 Mercury Monterey
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.