AutoDefect IQ

2010 Mercury Mountaineer problems, complaints & recalls

Most-reported problem areas: Vehicle Speed Control (4) · Service Brakes (3) · Steering (1)

🧭 Reliability snapshot

97 /100
✓ Typical or better for this model

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

13
Complaints
1
Recalls
20
Service bulletins
0
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (1)

Seats:front Assembly:recliner 2010-04-20 · campaign 10V161000 · 33,256 vehicles

Defect: FORD IS RECALLING CERTAIN MODEL YEAR 2010 FUSION, EXPLORER, EXPLORER SPORT TRAC, AND MERCURY MILAN AND MOUNTAINEER VEHICLES MANUFACTURED BETWEEN DECEMBER 15, 2009 THROUGH FEBRUARY 3, 2010 EQUIPPED WITH FRONT SEAT MANUAL RECLINERS. THESE VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 202, "HEAD RESTRAINT." THE RECLINER GEAR PLATE TEETH MAY BE OUT OF DIMENSION SPECIFICATION WHICH COULD RESULT IN LIMITED PAWL TO GEAR PLATE TOOTH ENGAGEMENT.

Risk: IN THE EVENT OF A CRASH, THE SEATBACK AND HEAD RESTRAINT MAY MOVE REARWARD, INCREASING THE RISK OF INJURY.

Fix: DEALERS WILL REPLACE THE MANUAL RECLINERS FOR BOTH POWER AND MANUAL SEATS FREE OF CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN ON OR BEFORE APRIL 30, 2010. OWNERS MAY CONTACT FORD AT 1-866-436-7332.

Service bulletins (20)

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.

Equipment 2024-04-24 · SSM 52476 · Service Bulletin/Repair Instructions

all accessory stick-on keyless entry keypads come with a wallet card containing the master code. if the accessory keypad was factory installed, this card will be placed in the glove box and should be handed to the vehicle s owner during initial delivery. unlike the integrated (wired) factory keypad,

Visibility:glass, Side/Rear 2019-08-09 · SSM 48130 · Service Bulletin/Repair Instructions

some 2010-2020 vehicles may exhibit distorted glass with a subtle orange peel pattern or streaking etched into the surface. this is caused by hydrofluoric acid which is used in some car wash solutions as a cleaning agent. hydrofluoric acid can attack the glass and cause visual distortion and/or disc

Power Train 2019-05-10 · SSM 47976 · Service Bulletin/Repair Instructions

on vehicles equipped with an automatic transmission it is imperative that the converter pilot hub be greased with motorcraft multi-purpose grease spray xl-5-a even if grease was not applied from the factory. also verify that the engine/transmission alignment dowel pins are present as well as the eng

Structure 2019-02-07 · TSB 19-2026 · Service Bulletin/Repair Instructions

some 2000 and newer ford, lincoln and mercury vehicles equipped with aluminum body panels may exhibit corrosion concerns appearing as bubbled and/or peeling paint with or without accompanying white dust. panel replacement is recommended. follow the service procedure steps to correct the condition

Structure 2019-02-07 · TSB 19-2026 · Service Bulletin/Repair Instructions

some 2000 and newer ford, lincoln and mercury vehicles equipped with aluminum body panels may exhibit corrosion concerns appearing as bubbled and/or peeling paint with or without accompanying white dust. panel replacement is recommended. follow the service procedure steps to correct the condition

Steering 2018-10-02 · DOR-S3J9G-11 · Service Bulletin/Repair Instructions

this sku is a front upper ball joint. the customer communication requested return of unsold inventory to inspect for ball studs with excessive rotational friction in the ball joint assembly. excessive friction in the ball joint assembly may cause a perceptible increase in steering effort.

Showing the 6 most recent of 20 bulletins. Search all of them free at nhtsa.gov.

What owners report

2022-06-07 · Electrical System · 109,000 mi

“the contact owns a 2010 mercury mountaineer. the contact stated that the check engine warning light was illuminated. the vehicle was taken to an independent mechanic to be diagnosed. the contact was informed that the computer had provided an incorrect error code. the vehicle was also diagnosed by an authorized ford tech who confirmed the failure wi…”

2019-12-31 · Service Brakes

“tl* the contact owns a 2010 mercury mountaineer. while the contact's wife was driving 70 mph, she depressed the brake pedal and the front driver's seat started to slide backwards and the interior lighting illuminated. there were no warning indicators illuminated. the driver lost control of the vehicle as it made a 360 degree spin. the vehicle was n…”

2019-12-08 · Unknown Or Other · 90,500 mi

“doors locking mechanism malfunctioning and coding numbers not functioning. being locked out when using code #s. chain crankin harshly but not unlocking doors. when using key instead of code key does not unlock nor lock any doors except drivers door lock.…”

2018-12-10 · Power Train

“rear differential is filling with water pass the fill plug. this is a garage kept car and never off road nor dirven in deep water. first time discovered at 22000 miles and the dealer replace the pinion seal and oil, but could not find the cause. differential now making noise and again full of water past the fill plug. searched online and found …”

2016-06-26 · Fuel/Propulsion System · 65,000 mi

“at high speeds, the car stalls. it also stalls at stop lights. this happens repeatedly, and ford cannot figure out what is wrong with it.…”

2015-09-29 · Seat Belts · 60,000 mi

“tl* the contact owns a 2010 mercury mountaineer. the contact stated that while attempting to latch both of the second row seat belts, the belts fractured and detached from the vehicle. the vehicle was taken to the dealer. the technician was unable to determine the cause of the failure. the manufacturer was made aware of the failure. the failure mil…”

2015-03-28 · Service Brakes · 38,000 mi

“front brakes started automatically seizing up random times and speeds due to a defective wheel bearing that disrupted the antilock brake sensors. this created an extremely dangerous driving issue. ford refused to take responsibility or pay for any repairs because it was outside the warranty period. *tr…”

2014-10-05 · Vehicle Speed Control · 38,000 mi

“see below from: tier 1 email - crcfmc [mailto:crcfmc@ford.com] sent: thursday, march 20, 2014 8:57 am to: [xxx] ct: re: vehicle service issues crm:01660000000018 hello[xxx] my name is [xxx], i am from ford`s customer relationship center (crc). i have reviewed your email regarding the concerns on your 2010 mountaineer. i apologize fo…”

2014-03-25 · Service Brakes · 38,660 mi

“from: tier 1 email - [xxx] sent: thursday, march 20, 2014 8:57 am to: [xxx]subject: re: vehicle service issues crm:01660000000018 [xxx], my name is [xxx], i am from ford`s customer relationship center (crc). i have reviewed your email regarding the concerns on your 2010 mountaineer. ford motor company considers the satisfaction of …”

2013-10-14 · Vehicle Speed Control · 31,000 mi

“there is a manufacturing fault with the position of the brake and the gas pedal. it is very easy to move the right foot from the gas to the brake and leave enough of the foot on the gas at the same time. it allows the brake to be pressed but also applies gas to give a vehicle a surge while braking. had the same situation with a 2001 ford taurus …”

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

Other Mercury Mountaineer years