2004 Mercury Mountaineer
This year had 30% to 100% more complaints than this model's typical year.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 1996 | 3 |
| 1997 | 328 |
| 1998 | 236 |
| 1999 | 151 |
| 2000 | 123 |
| 2001 | 22 |
| 2002 | 372 |
| 2003 | 152 |
| 2004 | 210 |
| 2005 | 82 |
| 2006 | 117 |
| 2007 | 81 |
| 2008 | 96 |
| 2009 | 6 |
| 2010 | 13 |
KNOWN PROBLEM AREAS
Percentages can add to more than 100% -- a complaint can name more than one system.
40% of complaints: structure — 85 distinct reports on file, most commonly citing body and hatchback/liftgate.
CRASH INJURYShow complaint excerpts
TL* THE CONTACT OWNS A 2004 MERCURY MOUNTAINEER. THE CONTACT STATED THAT THE LATCH ON THE HATCH BACK FRACTURED. THE CONTACT OPENED THE DOOR AND THE DOOR CAME DOWN AND STRUCK HER HEAD. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED.
NHTSA ODI report, 20140707
TL* THE CONTACT OWNS A 2004 MERCURY MOUNTAINEER. THE CONTACT STATED THAT THE REAR LIFT GATE HINGES WERE FRACTURED AND AS A RESULT, THE LIFT GATE FELL ONTO THE CONTACTS RIGHT FOOT. THE CONTACT WAS NOT TAKEN TO THE HOSPITAL.
NHTSA ODI report, 20140203
1. PAINT COMING OFF OF ROOF AND DRIVER'S DOOR. 2. REAR PASSENGER SIDE AND DRIVER SIDE POWER WINDOWS NOT WORKING. 3. CRACKS IN PLASTIC AREA OF REAR LIFT GATE AROUND WIPER ARM. 4.
NHTSA ODI report, 20171211
Also filed under ELECTRICAL SYSTEM and WHEELS
32% of complaints: power train — 67 distinct reports on file, most commonly citing automatic transmission and differential unit.
CRASH FIRE INJURYShow complaint excerpts
I PURCHASED A 2004 MERCURY MOUNTAINEER V6 IN APRIL, 2004. I IMMEDIATELY STARTED TO NOTICE A HARSH JERK WHEN PUTTING THE CAR IN REVERSE AND SOMETIMES WHILE DRIVING FORWARD. IT SOMETIMES FELT LIKE DRIVING A 5-SPEED VEHICLE.
NHTSA ODI report, 20050706
Also filed under UNKNOWN OR OTHER
10% of complaints: vehicle speed control — 21 distinct reports on file, most commonly citing cruise control and accelerator pedal.
CRASH INJURY8% of complaints: electrical system — 16 distinct reports on file, most commonly citing switch and 12v/24v/48v battery.
CRASH6% of complaints: air bags — 12 distinct reports on file, most commonly citing side/window and frontal.
CRASH INJURYShow complaint excerpts
TL* THE CONTACT OWNS A 2004 MERCURY MOUNTAINEER. THE CONTACT STATED THAT WHILE DRIVING 60 MPH, THE DRIVER AND PASSENGER'S SIDE CURTAIN AIR BAGS DEPLOYED ERRONEOUSLY. THE CONTACT SUSTAINED INJURIES TO THE BACK AS A RESULT. A POLICE REPORT WAS FILED.
NHTSA ODI report, 20131230
SAFETY TIMELINE
SPARK PLUG EJECTION FROM CYLINDER HEAD
CERTAIN CURVED TEMPERED REPLACEMENT GLASS MANUFACTURED BY HANGZHOU SAFETY GLASS LTD AND SUPPLIED TO SAFELITE BY AUTO TEMP INC., IDENTIFIED AS DOT-430, AND SOLD FOR USE ON CERTAIN DOMESTIC AND FOREIGN
Remedy: SAFELITE WILL NOTIFY ITS RETAIL CUSTOMERS AND REPLACE THE GLASS FREE OF CHARGE. RETAIL CUSTOMERS CAN CONTACT SAFELITE TOLL FREE AT 1-888-843-2906. SAFELITE WILL NOTIFY ITS WHOLESALE CUSTOMERS AND REIM
Campaign 07E104000 — check if this car was fixed
REAR LIFTGATE GLASS HATCH FAILURE
Vehicle Rollaway Allegations
BUY-SMART CHECKLIST
2004 Mercury Mountaineer — pre-purchase inspection
- Test/inspect for structure issues (85 reports on file for this year).
- Test/inspect for power train issues (67 reports on file for this year).
- Test/inspect for vehicle speed control issues (21 reports on file for this year).
- Verify recall 07E104000 (visibility) has been completed.
OTHER YEARS OF THIS MODEL
BEST YEARS
WORST YEARS
FAQ
Is the 2004 Mercury Mountaineer reliable?
Based on NHTSA complaint volume compared to this model's typical year, the 2004 Mercury Mountaineer is rated "worse than typical".
What are the most common problems with the 2004 Mercury Mountaineer?
The most-reported component is structure, accounting for 40% of complaints on file.
How many recalls does the 2004 Mercury Mountaineer have?
1 recall on file for this model year.
Data updated 2026-09-01 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.