2006 Mercury Montego problems & reliability
85 owner complaints filed with NHTSA for the 2006 Mercury Montego. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
3 complaints report injuries (4 injured).
Federal crash records (FARS 2020–2023): 2006 Mercury Montego vehicles were involved in 17 fatal crashes with 11 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Power Train → | 28 | 33% |
| Engine → | 18 | 21% |
| Vehicle Speed Control → | 14 | 16% |
| Electrical System | 7 | 8% |
| Engine and Engine Cooling | 6 | 7% |
| Service Brakes, Hydraulic | 5 | 6% |
| Structure | 5 | 6% |
| Suspension | 5 | 6% |
| Air Bags | 4 | 5% |
| Exterior Lighting | 4 | 5% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 70,500 miles (middle 50% between 39,752 and 98,750 miles), based on 66 complaints that included mileage.
Complaints by incident year
What owners report
“The throttle body on the 2006 Mercury Montego SHOULD HAVE been recalled just like the 2007 Mercury Montego that I owned previously was recalled. It has the SAME EXACT problem! The throttle is VERY DANGEROUS as it dumps fuel without me touching the gas pedal. I have already almost killed a pedestrian! Please help! I…”
Fuel/propulsion System · filed May 9, 2026
“The contact owns a 2006 Mercury Montego. The contact stated that while parallel parking, the vehicle independently accelerated and lunged forward. There were no warning lights illuminated. The contact stated that the failure was due to the throttle body. The local dealer was not contacted. The vehicle was not…”
Fuel System, Gasoline · filed Aug 9, 2024
“The contact owns a 2006 Mercury Montego. The contact stated that while driving at slow speeds and attempting to depress the accelerator pedal, the vehicle was jerking and shuddering. The vehicle was not diagnosed or repaired by an independent mechanic or local dealer. A local dealer was contacted and confirmed that…”
Power Train · filed Jul 10, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Idle instability
Preliminary Evaluation PE11018 · opened May 11, 2011 · closed Feb 7, 2013
Technical service bulletins
23 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2006 Mercury Montego. The 10 most recent:
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…
SSM 46085 · Service Bulletin/Repair Instructions · issued Sep 21, 2016
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…
CSP-12N03 · Service Bulletin/Repair Instructions · issued Nov 29, 2012
Traction control lamp on--no dtc's present, or dtc p1889 in differential electronic module (dem). *nj
08-4-11 · Service Bulletin/Repair Instructions · issued Mar 1, 2008
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…
0710 · Service Bulletin/Repair Instructions · issued Nov 28, 2007
MIL WITH DTC P0106 AND/OR P0109. *KB
19722 · Service Bulletin/Repair Instructions · issued Apr 1, 2007
Battery light illuminated. *kb
19312 · Service Bulletin/Repair Instructions · issued Aug 1, 2006
Continuously variable transaxle (cvt) noise diagnosis. *tt
06114 · Service Bulletin/Repair Instructions · issued Jan 1, 2006
Intermittent instrument cluster gauge sweep/reset - multiple warning lights on - reverse lights on - vehicles built before 2/17/2006. *tt
0662 · Service Bulletin/Repair Instructions · issued Jan 1, 2006
Grunt or squeak from front suspension during full lock turns - service tip. *tt
19005 · Service Bulletin/Repair Instructions · issued Jan 1, 2006
Noise from rear suspension - cold only. *tt
0614 · Service Bulletin/Repair Instructions · issued Jan 1, 2006
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
No NHTSA recall campaigns name the 2006 Mercury Montego in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2006 Mercury Montego?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 70,500 miles — budget accordingly if the car is approaching that mileage.