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2009 Mercury Mariner Problems and Recalls
Owners filed 315 complaints with NHTSA about the 2009 Mercury Mariner, most often about the steering (53% of complaints, typically around 119,500 miles). It is the 2nd most complained-about Mariner model year since 2000 and has 1 recall.
Most common 2009 Mercury Mariner problems
Steering
167 complaints · 53%Half of these problems showed up before 119,500 miles. Parts named most often: electric power assist system.
The contact owns a 2009 Mercury Mariner. The contact stated that on several occasions while attempting to start the vehicle, the steering wheel seized. The contact stated that the vehicle became difficult to maneuver. No warning lights illuminated. A local dealer was contacted at phone number: [phone], that informed…
For many weeks the steering of the Mariner has been "twitching." then a few more weeks later, at the time we would start the vehicle the steering would not be working making it very hard to turn. We would just restart the vehicle and it the steering would be back. Now the steering will quick as we are going down the…
Engine
60 complaints · 19%Half of these problems showed up before 69,000 miles.
While driving the auto just stopped and the check engine light came on and stayed on. I turned the auto off and restarted. It did this three times before I arrived back home. Took it to have a diagnostic test on the engine and code p2111 - throttle actuator stock open was the results. This is the second time this…
The contact owns a 2009 Mercury Mariner. The contact stated that while driving approximately 70 MPH, the vehicle decreased in speed to 20 MPH independently without warning. The vehicle was able to restart. The vehicle was taken to a dealer for diagnostic testing and the throttle body was replaced. The manufacturer was…
Transmission
44 complaints · 14%Half of these problems showed up before 69,000 miles. Parts named most often: automatic transmission.
I was driving my 2009 Mercury Mariner and suddenly lost the ability to accelerate. A wrench light illuminated on my dash and the only thing I could do was coast to a stop. Pushing the gas pedal did nothing. I was able to very slowly get the car to a parking lot (it moved at an idle speed, but would not accelerate…
While driving the auto just stopped and the check engine light came on and stayed on. I turned the auto off and restarted. It did this three times before I arrived back home. Took it to have a diagnostic test on the engine and code p2111 - throttle actuator stock open was the results. This is the second time this…
Speed control
41 complaints · 13%Half of these problems showed up before 70,000 miles.
Car engine stopped while driving at a low (10-20 MPH) speed. Second time this happened. First time on 2011 replaced throttle body then. It happened again 12/31/2013. Ford service said throttle body needs to be replaced again.
During normal highway driving conditions, car suddenly stopped accelerating, could push the accelerator all the way to the floor and get no power. Engine did not stall out, but would not provide power. Was able to pull over and turn off car, then turn back on, and problem was gone. After another 15 miles or so it…
Fuel system
30 complaints · 10%Half of these problems showed up before 73,000 miles. Parts named most often: storage.
On 1/1/2016 I was driving on 495 w in queens, ny heading back to manhattan where I live. Out of nowhere the car began jerking, a wrench light on the dash panel came on (which I never saw before) and I could tell the car was decelerating. I tried hitting the accelerator again, the car would jerk, the engine was revving…
The vehicle has stalled while in motion 6 times now, while stopped 3 times. Stalled once while driving upwards of 40 MPH. I had to stop in the middle of the street, put emergency blinkers on, and restart the car. Vehicle seems to spontaneously falter in acceleration and loses power. Turning off ignition and restarting…
Electrical
22 complaints · 7%Half of these problems showed up before 98,500 miles. Parts named most often: ignition.
While traveling approximately 35 MPH, driving in a straight line on a city street in traffic, the ABS abruptly applied the brakes - hard! The ABS light came on and a "check brake system" warning message was displayed. Also, the electrical system shut down and the engine lost power. After about 5 seconds, power was…
Tl contact owns a 2009 Mercury Mariner. The contact stated that while driving approximately 10 MPH the oil and battery warning indicators illuminated and the vehicle stalled. The vehicle restarted but the failure recurred on 2 other occasions. The vehicle was not taken to the dealer. The manufacturer was not made…
Other or unspecified
15 complaints · 5%Half of these problems showed up before 96,000 miles.
While traveling at 55 MPH, power steering stopped working making vehicle very hard to steer. By turning key off and restarting, while tugging on steering wheel, power steering will start working and may last 30 minutes or 3 minutes. While working, steering wheel shakes and makes noise. Vehicle pulls to the left. Ford…
Was using cruise control down the road doing 45 miles per hours. While on a straight stretch and going up slight hill car was fine. When I started to go down the slight hill car seemed to sound like it was in neural gear and my rmps jumped to between 3 and 4. I looked to see if some how the car got accidently shifted…
Brakes
14 complaints · 4%Half of these problems showed up before 98,500 miles.
While traveling approximately 35 MPH, driving in a straight line on a city street in traffic, the ABS abruptly applied the brakes - hard! The ABS light came on and a "check brake system" warning message was displayed. Also, the electrical system shut down and the engine lost power. After about 5 seconds, power was…
Have had multiple brake failures including an accident that my daughter was involved in as a result of brake failure. The brakes will work fine for a short period of time and then out of nowhere you step on the brake and there's just a soft pedal for about 3/4 of the was before you get a very soft brake. Into this for…
Complaints are owner reports to NHTSA, not verified defects. One complaint can name several components, so shares add up to more than 100%.
2009 Mercury Mariner recalls
Steering: electric power assist system
Risk: If power steering assist is lost, greater driver effort would be required to steer the vehicle at low speeds, increasing the risk of a crash.
Fix: Ford will notify owners, and dealers will update the software for the power steering control module (pscm) and the instrument cluster module, free of charge. If a vehicle shows a history of a loss of the torque sensor signal or fault codes relating to the pscm when the vehicle is brought in for the recall remedy, the affected components will be replaced, free of charge. The recall began on july 18, 2014. Owners may contact ford customer service at 1-800-392-3673. Ford's number for this recall is 14s05.
Full defect summary
Ford motor company (ford) is recalling certain model year 2008-2011 ford escape and mercury mariner vehicles manufactured august 18, 2006, through september 11, 2010. The affected vehicles have a steering torque sensor that may not be able to properly detect driver steering input. As a result, the system could remove the electric power steering (eps) assist.
Recall repairs are free at any franchised dealer. Enter your VIN at nhtsa.gov/recalls to see which recalls are still open on your car.
NHTSA defect investigations
Loss of power steering while driving
Summary
On may 27, 2014, amended june 2, 2014, ford motor company (ford) submitted a defect information report (dir) to NHTSA describing a safety defect that may result in a sudden loss of power steering assist while driving in approximately 746,067 model year (my) 2008 through 2011 ford escape vehicles equipped with electric power assisted steering (NHTSA 14v-284, ford 14s05). Ford's dir described the defect condition as a poor signal to noise ratio [snr] in the torque sensor within the electric power assisted steering (epas) system [which] does not allow the pscm to determine the driver's steering input. When the system detects this fault condition, it transitions the epas system to the fail-safe/
Electronic throttle body malfunction
Summary
On february 21, 2013, the office of defects investigations (odi) opened preliminary evaluation pe13-003 to investigate allegations of electronic throttle body (etb) failures resulting in sudden reduction of engine power in model year (my) 2009-2013 ford escape, fusion, mariner and milan vehicles. During this investigation, ford identified a condition in subject vehicles equipped with 2.5l and 3.0l engines that may result in a sudden reduction of engine power.according to ford, the etb internal motor contacts may develop a high resistance material buildup condition on the commutator, resulting in intermittent electrical connectivity and reduced engine power. When this condition occurs, the ma
Questions about the 2009 Mercury Mariner
- What are the most common problems with the 2009 Mercury Mariner?
- By NHTSA owner complaints: steering (167 complaints, typically around 119,500 miles); engine (60 complaints, typically around 69,000 miles); transmission (44 complaints, typically around 69,000 miles).
- How many recalls does the 2009 Mercury Mariner have?
- 1 recall listed by NHTSA, the latest from May 29, 2014 (steering). Check your VIN at nhtsa.gov/recalls to see which ones are still open on your car.
- Is the 2009 a bad year for the Mercury Mariner?
- It is the 2nd most complained-about Mariner model year since 2000, with 315 complaints. Complaint counts are not adjusted for how many cars were sold, so popular years collect more of them, and the newest years have had less time to.