2006 Mercury Mariner Hybrid problems & reliability
34 owner complaints filed with NHTSA for the 2006 Mercury Mariner Hybrid. 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.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine → | 11 | 32% |
| Electrical System | 8 | 24% |
| Service Brakes | 8 | 24% |
| Power Train | 5 | 15% |
| Steering | 5 | 15% |
| Fuel/propulsion System | 3 | 9% |
| Hybrid Propulsion System | 3 | 9% |
| Service Brakes, Hydraulic | 3 | 9% |
| Service Brakes, Electric | 2 | 6% |
| Electronic Stability Control (esc) | 1 | 3% |
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 104,000 miles (middle 50% between 69,500 and 145,000 miles), based on 33 complaints that included mileage.
Complaints by incident year
What owners report
“The contact owns a 2006 Mercury Mariner Hybrid. The contact stated while driving 65 MPH, the vehicle stalled. The contact stated the stop on the side warning message was illuminated. The contact was able to park on the side of the road and was able to restart the vehicle within 5 minutes. The contact stated he…”
Hybrid Propulsion System · filed Dec 7, 2021
“In stop and go city traffic going about 1 mile an hour I braked but my mariner didn't and I slowly rear ended another vehicle. My abs sensor went on then off eventually an abs regen light came on and I had no brakes so I drove ,very carefully, 83 miles to my ford dealer ( with no brakes) to find out that I needed a…”
Service Brakes · filed Apr 30, 2019
“When slowing for a stop sign on a suburban street, the vehicle lost all braking power. (it had shown no prior problems.) we had the vehicle checked - both front hydraulic lines had broken.”
Service Brakes · filed Feb 22, 2019
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Pedestrian alert sounds
Defect Petition DP22005 · opened Jan 27, 2023 · closed Aug 7, 2023 · led to recall 22V063000
Technical service bulletins
7 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2006 Mercury Mariner Hybrid.
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
2005-2008 escape/mariner hybrid - anti-lock brake system (abs) warning indicator illuminated with dtc(s) c1478, c1479, c1480 and/or c1481
SSM-45870 · Service Bulletin/Repair Instructions · issued Jun 8, 2016
Ford/mercury: some hybrid vehicles may require a unique bleed procedure after a replacement for one or more of hydraulic brake system components. *pe
ASI-22242 · Service Bulletin/Repair Instructions · issued Mar 1, 2012
Ford: some hybrid vehicles may exhibit an intermittent red triangle on and stop safely now message displayed on the message center, accompanied by a sudden rpm loss/no start with a diagnostic trouble code (dtc) p1a0c…
TSB-09-19-12 · Service Bulletin/Repair Instructions · issued Apr 1, 2010
Ford/mercury: some vehicles may set diagnostic trouble codes (dtcs) p0a81 (battery pack cooling fan 1 control circuit) and/or p0a96 (battery pack cooling fan 2 control circuit) in the traction battery control module…
TSB-09-15-3 · Service Bulletin/Repair Instructions · issued Dec 1, 2009
Ford/mercury: vehicles used in certain commercial applications such as taxi's and security services where extended low speed run time and extended idling may exhibit a red triangle light and codes indicating a transaxle…
TSB-08-15-1 · Service Bulletin/Repair Instructions · issued Jun 1, 2009
Ford/mercury: vehicles may exhibit a red triangle light and codes indicating a transaxle overtemp. Condition may result in reduced power as system activates fail safe operation. *pe
TSB-08-24-5 · Service Bulletin/Repair Instructions · issued Jun 1, 2009
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 Mariner Hybrid 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 Mariner Hybrid?
- · 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 104,000 miles — budget accordingly if the car is approaching that mileage.