2006 Mercury Mountaineer reliability record
NHTSA consumer complaints and recall campaigns for the 2006 Mercury Mountaineer from the dataset labeled 2026. The source file does not provide an exact snapshot date. Use the reported issues to guide further checks; these counts do not establish failure rates or repair costs.
- NHTSA complaints
- 153
- Dataset year: 2026; snapshot day not provided
- Top problem area
- POWER TRAIN:AUTOMATIC TRANSMISSION
- 23 complaints
- Recalls on record
- 0
- none on record
- Reported harm
- 9 reported crashes · 8 injuries · 5 fires
How this record compares
raw NHTSA counts, not defect ratesCounts are not adjusted for vehicles sold, time in service or reporting frequency. A larger count does not establish a higher chance of failure, and these comparisons do not set the maintenance budget in our calculator.
Complaint rank
#3,161
of 4,194 vehicle records
Vs Mercury median
-76
median 229 across 90 Mercury records
Vs 2004-2008
-122
median 275 complaints in 883 records
Top component share
24%
Power Train: 37 complaints
What owners report fails — 2006 Mercury Mountaineer
- POWER TRAIN:AUTOMATIC TRANSMISSION 23
- ENGINE AND ENGINE COOLING:COOLING SYSTEM 19
- ENGINE AND ENGINE COOLING 17
- POWER TRAIN 14
- ENGINE 14
Estimate the 5-year cost to own a 2006 Mercury Mountaineer
Build a separate budget with your purchase price, insurance quote, mileage and maintenance estimate. Complaint counts do not enter that calculation. Unknown local taxes and fees stay listed as costs to confirm.
Open TCO calculatorThese are unverified consumer reports and manufacturer recalls filed with the National Highway Traffic Safety Administration — not validated defect rates, and not adjusted for how many 2006 Mercury Mountaineer units were produced or sold. High-volume and older vehicles naturally accumulate more complaints. Use this as one research signal, not a verdict on any individual vehicle. Dataset year: 2026; exact snapshot day not supplied. Source: NHTSA Office of Defects Investigation (public domain).
Frequently asked questions
Is the 2006 Mercury Mountaineer reliable?
NHTSA has 153 consumer complaints on record for the 2006 Mercury Mountaineer. The most-reported problem area is power train:automatic transmission (23 reports). These are unverified consumer reports filed with the government, not validated failure rates, and are not adjusted for how many 2006 Mercury Mountaineer units were produced — popular vehicles naturally accumulate more reports.
What are the most common problems with the 2006 Mercury Mountaineer?
Owners most often report problems with: power train:automatic transmission (23), engine and engine cooling:cooling system (19), engine and engine cooling (17), power train (14). Each figure is the number of complaints filed with NHTSA for this exact model year.
How much does it cost to own a 2006 Mercury Mountaineer?
This complaint dataset does not measure repair prices or predict a maintenance budget for the 2006 Mercury Mountaineer. Use your purchase price, insurance quotes, fuel use and a maintenance estimate in the separate five-year cost calculator. It does not convert complaint counts into repair costs, and any unknown taxes remain excluded and clearly listed.