🚗 AutoDefect IQ

2009 Mercury Mariner Hybrid problems, complaints & recalls

Most-reported problem areas: Steering (8) · Vehicle Speed Control (6) · Engine (3)

🧭 Reliability snapshot

100 /100
✓ Typical or better for this model

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

🛣️ Complaints by mileage

<25k miles: 2 complaints <25k 25–50k miles: 4 complaints 25–50k 50–75k miles: 1 complaints 50–75k 75–100k miles: 5 complaints 5 75–100k 100–125k miles: 4 complaints 100–125k 125–150k miles: 4 complaints 125–150k 150k+ miles: 1 complaints 150k+

21 NHTSA complaints that reported an odometer reading.

21
Complaints
0
Recalls
2
Service bulletins
2
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (0)

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

Service bulletins (2)

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.

Service Brakes, Hydraulic 2012-03-01 · ASI-22242 · Service Bulletin/Repair Instructions

ford/mercury: some hybrid vehicles may require a unique bleed procedure after a replacement for one or more of hydraulic brake system components. *pe

Traction Control System 2009-12-09 · TSB-09-15-1 · Service Bulletin/Repair Instructions

ford/mercury: traction control light with dtc c1440. some vehicles built may exhibit the traction control light on with dtc code c1440. if the vehicle is operated for an extended period following the illumination of the traction control light, a slight brake drag condition may be observed.

What owners report

2019-05-21 · Steering · 160,000 mi

“vehicle steering is intermittently going out and driver is unable to turn the vehicle. i have contactted ford and there is an existing recall (14s05) for this very item and my vehicle (year, make & model) is listed but they say my specific vehicle does not qualify.…”

2019-03-14 · Steering · 128,400 mi · 💥 crash

“power steering went out, couldn't turn vehicle fast enough to avoid crash. recall 14s05.…”

2018-10-25 · Steering · 96,000 mi

“tl* the contact owns a 2009 mercury mariner hybrid. while driving approximately 25 mph, the power steering failed without warning and the steering became difficult to turn. the vehicle was not taken to be diagnosed or repaired. the vehicle was not included in nhtsa campaign number: 14v284000 (steering). neither the dealer nor the manufacturer was n…”

2018-10-02 · Steering · 66,000 mi

“electronic power steering module failure, replace entire module & column for $1698.89. said previous recall was performed and ford bears no responsibility. …”

2017-08-30 · Vehicle Speed Control · 128,000 mi

“i was on my way to drop my 3 month old off at daycare and then to work. i was driving down the highway going 60 mph with the cruise control set when i feel the car start to jerk back and forth a little. i look at my gauges all are normal except the rpm gauge is jumping up and down then all of a sudden it is kick out of cruise control, and i lose a…”

2017-02-21 · Steering · 119,000 mi

“steering torque sensor is failing, resulting in loss of steering control. this vehicle was not included in the recall that ford already issued for the problem in 2014 but should be.…”

2017-01-12 · Steering · 130,000 mi

“while making a sharp left turn on a city street the power steering assist system failed completely! i barely avoided a collision. apparently there have been thousands of similar failures. why hasn't ford paid for a repair on a system which is obviously flawed and dangerous when it fails!…”

2016-12-04 · Vehicle Speed Control · 40,000 mi

“throttle body problem. all of a sudden i had no power and barely made it home. i had to be towed to ramey ford in princeton, wv they replaced throttle body but i had to pay $100 deductible. this car was part of a customer service arrangement worked out with nhtsa but the vin was not included and i was told it was not covered for cost of rep…”

2016-11-07 · Engine · 93,000 mi

“2009 mercury mariner hybrid with 93000 miles driving 50 mph on a six-lane blvd. hesitates briefly, then accelerator ceases to function completely. despite the extremely dangerous situation, we managed to maneuver the car off the road to safety. warning light (triangle with exclamation point) and warning message "stop safely now". the car comput…”

2016-10-26 · Service Brakes · 105,900 mi

“the abs system turn off, took to shop they could not fine trouble it had reset. today same thing abs turn off. will take it in if it does not reset. both times that it turn off car was parked and i was just starting it to leave..*i would see a warning that says 'regen brake failure.' *the abs just went out one day while coming home from the store,…”

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

Other Mercury Mariner Hybrid years