2005 Mercury Mountaineer transmission problems
The 2005 Mercury Mountaineer has 22 transmission complaints filed with NHTSA — 19% of the year's total, and down from the prior model year.
22
Transmission complaints
19%
Share of year
1
Crash-involved
0
Related recalls
Transmission complaints by year
What owners report
“2005 MERCURY MOUNTAINEER V6 WITH AWD WAS PLACED IN "PARK" , ENGINE TURNED OFF AND KEY REMOVED FROM IGNITION. THE CAR SLIPPED INTO REVERSE AND ROLLED DOWN DRIVEWAY STRIKING MAILBOXES ACROSS STREET. *JB ”
Common questions
How many transmission complaints does the 2005 Mercury Mountaineer have?
NHTSA has 22 complaints about the 2005 Mercury Mountaineer transmission — 19% 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.