2004 Mercury Mountaineer transmission problems
The 2004 Mercury Mountaineer has 67 transmission complaints filed with NHTSA — 25% of the year's total, and up sharply from the prior model year.
67
Transmission complaints
25%
Share of year
4
Crash-involved
0
Related recalls
Transmission complaints by year
What owners report
“TRANSFER CASE DEFECT CAUSES STEERING DIFFICULTY ON SLOW TURNS. TRANSMISSION ISSUE REPORTED TO FORD IN 2005 AT 38,000 MILES. AGAIN AT 51,000. I OPTED FOR AN AAMCO TRANSMISSION WHEN FORD REFUSED TO COVER. NOW TRANSFER CASE IS MAKING DRIVING DANGEROUS. TURNING ABILITY GREATLY REDUCED. *TR”
Common questions
How many transmission complaints does the 2004 Mercury Mountaineer have?
NHTSA has 67 complaints about the 2004 Mercury Mountaineer transmission — 25% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.