2005 Mercury Montego Transmission & Power Train Problems
NHTSA component category: POWER TRAIN · data through 07/14/2026
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
Share of the 135 complaints citing each category; one complaint can cite several. Full breakdown on the 2005 Mercury Montego overview page.
What owners report
“I JUST PULLED MY CAR OFF THE LOT NOT EVEN 10 MINUTES LATER THERE WAS JERKING THEN MY CAR STOPPED DEAD IN THE MIDDLE OF…”NHTSA complaint 10713200 — filed 04/27/2015
“DROVE CAR HOME DAY BEFORE, SEEMED FINE. WENT OUT NEXT MORNING, CAR STARTED FINE, PUT INTO GEAR, CAR WOULD NOT MOVE. CHECK ENGINE LIGHT, CHECK…”NHTSA complaint 10565924 — filed 02/26/2014
“THE CONTACT OWNS A 2005 MERCURY MONTEGO. THE CONTACT STATED THAT WHILE DRIVING 55 MPH, THERE WAS A LOUD ABNORMAL SOUND HEARD AS ALL OF…”NHTSA complaint 10563357 — filed 02/07/2014
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train complaints by year filed
Frequently asked questions
Does the 2005 Mercury Montego have transmission & power train problems?
Power Train is the #2 most-reported problem area on the 2005 Mercury Montego: 25 of 135 complaints on file (18.5%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2005 Mercury Montego have in total?
135 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 10 involved a crash, 2 involved a fire, 6 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.
