CarModelProblems.com

2002 Mercury Mountaineer Transmission & Power Train Problems

NHTSA component category: POWER TRAIN · data through 07/14/2026

38Power Train complaints
10.2%Of all 372 complaints
#2Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How power train ranks on this vehicle

POWER TRAIN:AUTOMATIC TRANSMISSION89 · 23.9%
POWER TRAIN38 · 10.2%
STRUCTURE:BODY:HATCHBACK/LIFTGATE:HINGE AND ATTACHMENTS23 · 6.2%
STEERING15 · 4%
ENGINE AND ENGINE COOLING15 · 4%

Share of the 372 complaints citing each category; one complaint can cite several. Full breakdown on the 2002 Mercury Mountaineer overview page.

What owners report

“THIS IS A 2002 MERCURY MOUNTAINEER WITH A V8 ENGINE. THE VEHICLE ACCELERATES ON ITS OWN WITH NO DRIVER INPUT FROM A STOP. IT LURCHES…”NHTSA complaint 10129023 — filed 07/17/2005

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Power Train complaints by year filed

12003212006142009632011952014312016112022

Frequently asked questions

Does the 2002 Mercury Mountaineer have transmission & power train problems?

Power Train is the #2 most-reported problem area on the 2002 Mercury Mountaineer: 38 of 372 complaints on file (10.2%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2002 Mercury Mountaineer have in total?

372 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 17 involved a crash, 7 involved a fire, 38 reported injuries, and none reported deaths.

What does NHTSA's power train category include?

NHTSA groups complaints about the transmission (automatic or manual), driveline, axles, transfer case and related parts under a single component category called POWER TRAIN. This page reports that category as NHTSA defines it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/14/2026.