2006 Mercury Mountaineer transmission problems
The 2006 Mercury Mountaineer has 39 transmission complaints filed with NHTSA — 25% of the year's total, and up sharply from the prior model year.
39
Transmission complaints
25%
Share of year
2
Crash-involved
0
Related recalls
Transmission complaints by year
What owners report
“2006 MERCURY MOUNTAINEER SLIPPED OUT OF PARKED IN DRIVEWAY AND HIT MOTHER INLAWS 2005 GMC ENVOY. THIS IS ONE OF A HAND FULL OF TIMES IT HAS SLIPPED OFF PARK. TOOK IT TO THE DEALERSHIP 3 TIMES AND NOTHING, NOW I AM FIGHTING WITH GRAND LEDGE FORD, GRAND LEDGE, MI TO GET IT FIX OR REPLACE THE…”
Common questions
How many transmission complaints does the 2006 Mercury Mountaineer have?
NHTSA has 39 complaints about the 2006 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.