2005 Mercury Montego Electrical System Problems
NHTSA component category: ELECTRICAL SYSTEM · data through 07/12/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How electrical system 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
“THE CONTACT OWNS A 2005 MERCURY MONTEGO. THE CONTACT STATED THAT WHILE DRIVING AT VARIOUS SPEEDS, THE INSTRUMENT PANEL LIGHTS FAILED TO ILLUMINATE AND ALL…”NHTSA complaint 10644839 — filed 10/15/2014
“VEHICLE WAS STARTED FIRST THING IN MORNING AND DRIVEN APPROXIMATELY 25' WHEN THE TRANSMISSION SEEMED TO DISENGAGE AND WARNING LIGHTS CAME ON. CAR REMAINED PARKED…”NHTSA complaint 10546777 — filed 10/04/2013
“THE CAR WAS PURCHASED IN MAY OF 2011. AUGUST 2011, THE TRANSMISSION STARTED TO VIOLENTLY JERK AND ACT AS IF IT WERE IN NEUTRAL. WHEN…”NHTSA complaint 10469140 — filed 08/03/2012
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2005 Mercury Montego have electrical system problems?
Electrical System is the 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 07/12/2026. Across all categories, 10 involved a crash, 2 involved a fire, 6 reported injuries, and none reported deaths.
What does NHTSA's electrical system category include?
NHTSA assigns each complaint to standard component categories; this page reports the ELECTRICAL SYSTEM category exactly as NHTSA defines and records it.
