YearToAvoid

2007 Mercury Mountaineer Transmission & Powertrain Problems

NHTSA has 25 owner complaints about transmission problems in the 2007 Mercury Mountaineer, 31% of all 81 complaints for this model year. That is #2 highest transmission complaint count among 6 Mountaineer model years. These complaints report 3 crashes. Median mileage at failure: 74,000 miles.

Transmission & Powertrain complaints
25
31% of 81
Crashes reported
3
Fires reported
0
Injuries reported
0
Median mileage
74,000 mi
Related recalls
0

When 2007 Mercury Mountaineer transmission complaints were filed

First complaint Oct 22, 2007, latest Jun 18, 2025.

2007 Mercury Mountaineer transmission & powertrain complaints: complaints filed per month2Oct 2007Aug 2009Apr 2011Sep 2012Jun 2013Mar 2015Apr 2018Apr 2021
25 complaints filed with NHTSA from Oct 2007 to Jun 2025; peak Oct 2013 (2).

Transmission & Powertrain recalls for the 2007 Mercury Mountaineer

No safety recalls on record for this model year.

Transmission & Powertrain complaints by Mountaineer model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 200519 (23%)
  2. 200639 (33%)
  3. 200725 (31%)
  4. 20089 (9%)
  5. 20090 (0%)
  6. 20102 (15%)

Frequently asked questions

Does the 2007 Mercury Mountaineer have transmission problems?
NHTSA has 25 owner complaints about the transmission in the 2007 Mercury Mountaineer, 31% of all complaints for this model year, including 3 that report a crash. Median mileage at failure is 74,000 miles.
Which Mercury Mountaineer year has the most transmission complaints?
The 2006 Mercury Mountaineer has the most transmission complaints (39), compared with 25 for the 2007.
Is there a transmission recall for the 2007 Mercury Mountaineer?
No NHTSA recall campaign for the 2007 Mercury Mountaineer is classified under transmission & powertrain. Complaints alone do not trigger a recall; check the full recall list and your VIN.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.