🚗 AutoDefect IQ

2005 Mercury Montego problems, complaints & recalls

Most-reported problem areas: Vehicle Speed Control (24) · Power Train (23) · Power Train:automatic Transmission (21)

🧭 Reliability snapshot

84 /100
✓ Typical or better for this model

Compared against other Mercury Montego model years — complaint volume vs the model's median year, recalls and severity. How we score →

🛣️ Complaints by mileage

<25k miles: 14 complaints <25k 25–50k miles: 16 complaints 25–50k 50–75k miles: 36 complaints 36 50–75k 75–100k miles: 21 complaints 75–100k 100–125k miles: 15 complaints 100–125k 125–150k miles: 10 complaints 125–150k 150k+ miles: 10 complaints 150k+

122 NHTSA complaints that reported an odometer reading.

135
Complaints
0
Recalls
48
Service bulletins
10
Crashes reported
2
Fires reported
0
Deaths

Safety recalls (0)

No recalls on record for this model year (campaigns announced since 2010).

Service bulletins (48)

Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.

Engine And Engine Cooling:exhaust System:manifold/Header/Muffler/Tail Pipe 2016-09-21 · SSM 46085 · Service Bulletin/Repair Instructions

the powertrain control/emissions diagnosis (pc/ed) manual has been revised for diagnosing electronic throttle bodies (etbs). the etc_act and etc_dsd pids should not used to diagnose possible etb concerns. the ids has a limited refresh rate when reading these pids and cannot display quickly enough to

Engine 2012-11-29 · CSP-12N03 · Service Bulletin/Repair Instructions

ford: see document search button for owner letter. momentary engine idle rpm surge may be intermittent and may occur, due to deposits buildup in throttle body, at low speeds, while parking or entering driveway and check engine lamp may illuminate. models 2005-07 freestyle, 500, montego.

Service Brakes, Hydraulic:foundation Components:differential Proportional Valve 2008-03-01 · 08-4-11 · Service Bulletin/Repair Instructions

traction control lamp on--no dtc's present, or dtc p1889 in differential electronic module (dem). *nj

Service Brakes, Air 2007-11-28 · 0710 · Service Bulletin/Repair Instructions

ford mercury service campaign: see document search button for owner letter. certain 2005 through 2007 fwd and awd ford five hundred, freestyle and mercury montego vehicles - rear brake wear. also have an owner's letter. *nj updated 1/25/08. *nj

Power Train:automatic Transmission 2007-07-25 · 06245 · Service Bulletin/Repair Instructions

transmission harsh shifting - no dtc's - mileage over 20,000 miles. *kb

Service Brakes, Hydraulic:foundation Components:disc:pads 2007-04-27 · 0759 · Service Bulletin/Repair Instructions

rear brake drag, noise, dust, and/or premature pad wear. *kb

Showing the 6 most recent of 48 bulletins. Search all of them free at nhtsa.gov.

What owners report

2025-01-20 · Structure:body

“this vehicle had a recall performed on it. in the recall, it states that the door does not latch properly in colder weather. vehicle has been brought to the dealership. they have stated that they have performed the recall service. but when the car is driven, the door still does not latch which causes a safety issue because it will open randomly. th…”

2021-03-18 · Latches/Locks/Linkages · 180,000 mi

“tl* the contact owns a 2005 mercury montego. the contact stated that when the vehicle was started, the front passenger's side door remained open which resulted in a loss of the normal functions of instrument panel due to the passenger's side door ajar message overlaying all other system functions on the instrument panel. the vehicle was not taken t…”

2020-12-03 · Power Train · 5 mi

“ i own a 2005 mercury montego. while driving various speeds, all of the instrument panel gauges would illuminate and drop to zero and the seat belt indicators would illuminate and chime. the vehicle was not diagnosed or repaired. the manufacturer was not notified. the approximate failure mileage was 135,000…”

2020-08-20 · Unknown Or Other · 108,000 mi

“when lowering the original car's manual scissor jack it gave out half way down causing the vehicle to drop onto my driveway suddenly. the threading on the power screw seem fine but the pin that it feeds through on the other end looks mangled (see pictures). when the jack dropped it sounded like the power screw slid. no one was harmed.…”

2020-01-06 · Power Train · 120,000 mi

“the linkage that controls the gear shift allowed the car to roll while the car was supposed to have been in park. moreover. the car was in park but wouldn't start. when the tow truck put the car on the flat bed, the car tried to roll off even though the car shift level was in park. the car was in park and the engine was off. and the key wasn't in t…”

2019-02-15 · Wheels · 147,000 mi

“i purchased bridgestone ecopia 225 55 r18 and about four months after i've had them had bubble show in front tire took it back to firestone they replaced it after replacing it now it's been a month i have another bubble in the same tire that they just replaced and they are the bridgestone ecopia ep422 tire size 22555 r18…”

2018-12-18 · Latches/Locks/Linkages:doors:latch · 147,500 mi

“tl* the contact owns a 2005 mercury montego. when the contact attempted to close the driver's door, the latching mechanism did not engage. the vehicle was not taken to an independent mechanic or dealer for diagnostic testing. the manufacturer was made aware of the failure. the vehicle was not repaired. the approximate failure mileage was 147,500. …”

2018-08-31 · Vehicle Speed Control · 150,000 mi · 💥 crash

“tl* the contact owned a 2005 mercury montego. while driving approximately 30 mph, the vehicle experienced unintended acceleration and crashed into the rear of a second vehicle. prior to the failure, the engine rpms erroneously increased and the vehicle surged forward. the front end of the vehicle sustained severe damage, but the air bags did not de…”

2018-04-12 · Vehicle Speed Control · 123,000 mi

“the car has been lurching forward and decelerating randomly. keeps going into "failsafe engine mode" and the wrench light comes on but only for a few moments, then runs normally again after restarting. haven't been able to have the light on long enough to get diagnostics done. happens while driving or when starting occasionally.…”

2018-01-18 · Structure:body · 113,707 mi

“latches/locks recall recall #06v383000 ford reference #06s45 the latch on my driver side door keeps freezing, keeping the door from staying closed. it has already bounced open once while i was in motion on ny state route 434. i also have spent a great amount of time trying to shut my door for the past 4 days before and after every trip once i …”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Mercury Montego years