🚗 AutoDefect IQ

2003 Mercury Mountaineer problems, complaints & recalls

Most-reported problem areas: Structure:body (24) · Power Train:automatic Transmission (16) · Structure:body:hatchback/Liftgate (13)

🧭 Reliability snapshot

93 /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 →

🛣️ Complaints by mileage

<25k miles: 13 complaints <25k 25–50k miles: 17 complaints 25–50k 50–75k miles: 27 complaints 50–75k 75–100k miles: 31 complaints 31 75–100k 100–125k miles: 13 complaints 100–125k 125–150k miles: 9 complaints 125–150k 150k+ miles: 7 complaints 150k+

117 NHTSA complaints that reported an odometer reading.

152
Complaints
0
Recalls
120
Service bulletins
6
Crashes reported
5
Fires reported
0
Deaths

Safety recalls (0)

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

Service bulletins (120)

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.

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

Power Train:axle Assembly:axle Shaft:seal 2009-05-01 · TSB-08-19-3 · Service Bulletin/Repair Instructions

ford: some vehicles may exhibit oil separation from the internal lube found in the unitized cartridge seal. oil separation appears to be and is often misdiagnosed, as an axle lube leak. *pe

Engine And Engine Cooling:engine 2007-10-01 · 07212 · Service Bulletin/Repair Instructions

some 1997-2008 vehicles equipped with a 4.6l 2v, 5.4l 2v, or 6.8l 2v engine--spark plug thread repair procedure--not covered under new vehicle limited warranty. *nj this includes f-53 motorhome chassis. updated 2/23/10. *pe

Electrical System 2006-04-29 · 19091 · Service Bulletin/Repair Instructions

low oil pressure indication/warning, a/c compressor inoperative and/or no crank condition on 4.6l equipped vehicles. *tt

Tires 2006-01-01 · 0637 · Service Bulletin/Repair Instructions

low tire indicator on - tpms system sensor wake up. *tt

Showing the 6 most recent of 120 bulletins. Search all of them free at nhtsa.gov.

What owners report

2022-04-03 · Unknown Or Other

“after disconnecting the battery for battery replacement original equipment 6 cd in dash player only shows cd error. no error number. when investigating on the internet i found over 100 complaints with the same issue. i tried all the corrections suggested but nothing works. i own the car since new has very low mileage. i have 6 diskettes in the uni…”

2020-08-16 · Wheels · 172,800 mi · 💥 crash

“big o techs conned wife into buying 2 tires and we own awd suv that requires 4 at the same intervals .i immediately notify them that this is not safe and will damage my car they continued for over 2 months to lie to me about having somemone comtact me . i have all the communications i've had with them through messages. a few weeks after they put th…”

2019-07-12 · Wheels · 140,000 mi

“i have spent thousands of dollars on the transmission repair and no matter what i do there always a problem shifting gears…”

2017-09-27 · Structure:body

“i have a mercury mountaineer 2003 and it was stationed there was a crack in the back middle of the hatch now there a huge crack and my window of the trunk came unhinged and fell off i see this problem in all mountaineers they all have the crack in the hatch hope theirs don't fall off i see it in almost everyone's. this should be recalled because w…”

2017-04-13 · Service Brakes · 200,000 mi

“tl* the contact owns a 2003 mercury mountaineer. while driving, the transmission failed to shift. while parked, the emergency brakes failed and caused the vehicle to roll away. the contact was able to gain control of the vehicle. in addition, the brake warning indicator illuminated. the vehicle was towed to the dealer where it was diagnosed that th…”

2017-04-02 · Suspension · 148,677 mi

“1) front wheel bearing hub assembly failure resulting in unsafe&#8203; undriveable (this has been repeatedly&#8203; reported by vehicle owners regardless of vehicles milage) failure accured while slowing down for a stoplight after exiting a parking lot of a restaurant 2) lift hatch cracked center of hatch above the emblem potentially allowing wa…”

2016-11-14 · Air Bags · 140,000 mi

“my 2003 mercury mountaineer has a solid air bag light on. it has a code of 33, when you turn the car on, the light goes on and blinks 3 times then 3 more times. this indicates a code 33. ford has a technical letter about the issue. the letter states there is a kit for this problem. 1l2z-78610e22-aaa is the kit for a medium dark parchment kit.…”

2016-09-16 · Suspension

“2003 mercury mountaineer recalls i have had to change the intake manifold, ignition coils, i'm having a gas smells now, transmission thumps hard when going into first gear, sounds like my rear end is about to fall out, my front seat is electric and doesn't move, the o/d light comes on, check engine light on, brake light on, i keep trying to fix ev…”

2016-05-05 · Air Bags · 79,610 mi

“tl* the contact owns a 2003 mercury mountaineer. while driving approximately 10 to 15 mph, the passenger and driver side air bags deployed without warning or impact. the contact sustained head injuries that required medical attention, but they couldn't afford to go. the vehicle was not repaired. the manufacturer was not made aware of the failure. t…”

2016-05-04 · Structure:body · 50,000 mi

“just like every other mountaineer or explorer of this era the lift gate has cracked around the vehicle logo. this has caused problems including corrosion, rust, and locking mechanism failure on the liftgate. this problem can be seen on every single mountaineer or explorer of this era. it's pretty ridiculous that ford has not been forced to remed…”

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

Other Mercury Mountaineer years