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Transmission and drivetrainPart report

2005 Mercury Montego Transmission and drivetrain Problems

Complaints
49about this part
Share
36%of 135 total for the year
Median mileage
57,928miles
Trend
FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.

NHTSA recorded 49 complaints about the transmission and drivetrain of the 2005 Mercury Montego, 36% of the 135 complaints for this model year. Where a mileage was given, the median is 57,928 miles. 3 of these say a crash was involved, according to the filers.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“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 a busy street.this has happened numerous times with the worst being on a one way and my nieces no more than 10 years old in the car my car made a kind of a loud humming noise,jerked then stopped in the street.at times I can't even reverse or go up steep hills.”

NHTSA complaint #10713200, filed 2015-04, 104,000 miles

“This car at 35 MPH loses power and will not shift into a higher gear.I have found atsb08-24-1-.this dates back to november13,2008.the ford dealer has told me repeatdly that there is no problem and my car is fine.I asked if they knew of any problems and they stated no.when the car does this it just loses power and you have to slow down and accelerate very slow and hope the transmission engages.”

NHTSA complaint #10452683, filed 2012-03, 55,000 miles

“When it get hot it jerks,when you accelerate it wont take off and then it leap forward, when in low gear it really start jerking and then it stop it take a moment before it move. I seen several complaints on the internet with the same problem. I took it to have it look at. They say that numerous of there customer have the same problem with this model. One customer put 2 transmission in her Montego and experience the same problem over again.”

NHTSA complaint #10588674, filed 2014-05, 152,100 miles

“I own a 2005 Mercury Montego that has been a constant downward spiral.approx. 3 months ago, I had to replace the vehicles transmission,because I was told by ford that they do not sell the tools or parts to replace anything in it, the whole transmission had to be replaced.approx. 1 week ago, I was sitting at a traffic light and my car revved up to approx. 3500 RPM and pushed my car forward into traffic. …”

NHTSA complaint #10345904, filed 2010-07, 80,000 miles

“2005 Mercury Montego lunges forward and when in reverse also it stalls and shuts off repeatedly and have problems accelerating at times. I took it to my mechanic and got the throttle body cleaned but the problem returned after a week.”

NHTSA complaint #10416322, filed 2011-07, 101,000 miles

Related service bulletins

Transmission and drivetrain: other model years

YearComplaintsShare of year
2007925%
20062833%
20054936%

Other parts of the 2005 Mercury Montego

Electrical system
27 complaints
Vehicle speed control
24 complaints
Brakes
18 complaints
Fuel system
12 complaints
Engine
10 complaints
Body and structure
10 complaints
Engine cooling
7 complaints
Other or unknown
6 complaints
Air bags
5 complaints
Exterior lighting
3 complaints
Latches, locks and linkages
3 complaints
Seat belts
2 complaints

← All problems reported for the 2005 Mercury Montego

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology