Head-to-head reliability
Mercury Mountaineer vs Toyota Camry
How the Mercury Mountaineer and Toyota Camry compare on NHTSA complaints, recalls and crash reports — and which is the lower-risk used buy.
Based on NHTSA owner-complaint & recall records
Mercury Mountaineer vs Toyota Camry: The Mountaineer averages 117 complaints per year, with powertrain and structure issues like transmission rollaway and pedal design flaws. The Camry averages 214 complaints per year, including brake failure and sudden acceleration. Both have recalls, but the Camry has more crash reports. Source: NHTSA owner complaints.
The picture
Is the Mercury Mountaineer or Toyota Camry more reliable?
A plain-English read on what the NHTSA record says about living with each vehicle.
Mercury Mountaineer
The Mercury Mountaineer, a mid-size SUV, shows a high complaint rate of about 117 per year, with powertrain and structure issues dominating. Owners report sudden engine stalls, transmission failures that allow the vehicle to roll, and a pedal layout that can cause unintended acceleration. Electrical problems with power seats moving on their own add to safety concerns, making it a vehicle that demands careful inspection and maintenance.
Toyota Camry
The Toyota Camry, a popular sedan, has a higher total complaint count but a similar per-year rate (214 per year). Its issues are spread across powertrain, engine, brakes, and electrical systems. Owners report transmission grinding, sudden acceleration, brake failure, and HVAC odors. While some issues are serious, the Camry's higher sales volume may contribute to the raw numbers, and its recalls focus on airbags and seats rather than drivetrain failures.
The numbers
Side-by-side NHTSA record
Lower is better in every category. The highlighted cell is the stronger result.
| Category | Mercury Mountaineer | Toyota Camry |
|---|---|---|
| Total complaintsAll model years combined | 1,169 Better | 2,143 |
| Safety recallsFederal recall campaigns | 17 Better | 31 |
| Crash reportsCrash-related complaints | 54 Better | 181 |
| Complaints per yearAveraged across model years | 116.9 Better | 214.3 |
| Reported injuriesTied to owner complaints | 76 Better | 163 |
| Reported deathsTied to owner complaints | 0 Better | 1 |
Source: NHTSA owner complaints & recall records.
What actually goes wrong
The problems owners report
The most-complained-about systems on each vehicle — what fails, and what owners say in their own words.
Mercury Mountaineer
- 01POWER TRAIN350
- 02STRUCTURE254
- 03ELECTRICAL SYSTEM118
- 04ENGINE AND ENGINE COOLING112
- 05SEATS98
Owners report the transmission failing to engage Park, causing the vehicle to roll, and engines stalling unexpectedly at stops or while driving, requiring restart. These issues pose serious safety risks and often require major repairs.
A design flaw with the brake and gas pedal positions can lead to unintended acceleration when braking, as the foot may press both pedals. This is a critical safety concern that could cause crashes.
The power seat can suddenly move to the 'easy exit' position while driving, making it impossible to reach pedals, especially for shorter drivers. This is a dangerous distraction and control loss.
Engine stalling is a recurring theme, with the check engine light illuminating and the vehicle losing power, sometimes requiring multiple attempts to restart. This can leave drivers stranded in traffic.
“PULLED INTO PARKING SPACE, PLACED SHIFTER IN PARK, TURNED OFF IGNITION, RELEASED BRAKE AND VEHICLE ROLLED BACKWARDS AS IF NOT IN PARK. ATTEMPTED TO RESTART VEHICLE AND NO RESPONSE. SET PARKING BRAKE. COULD NOT GET VEHICLE TO LOCK INTO PARK, SHIFTER MOVED REGA…”
“SINCE I PURCHASED IN 2009, ENGINE KILLS ANYTIME, MOSTLY WHEN GAS PEDAL NOT PRESSED. PULLING OUT OF PARKING LOTS, SITTING AT RED LIGHTS, OR LETTING OFF GAS ON INTERSTATE, ENGINE JUST KILLS. SOMETIMES FEELS LIKE A JOLT. I HAVE TO PUT THE SHIFT IN NEUTRAL AND RE…”
Toyota Camry
- 01POWER TRAIN395
- 02UNKNOWN OR OTHER342
- 03ENGINE315
- 04SERVICE BRAKES290
- 05ELECTRICAL SYSTEM246
Transmission issues include grinding noises on acceleration and the need for replacement, as reported by owners. Some also describe sudden acceleration when parking, which can lead to crashes.
Owners report uncontrollable sudden acceleration, sometimes leading to crashes, and engine codes indicating a coolant valve bypass issue that may not be covered by recall for all VINs.
Brake failure is reported, with the pedal not responding when pressed, especially on slopes or curves, leading to potential loss of control. This is a critical safety defect.
Recurring HVAC odors (vinegar/mildew) from the air conditioning system are common, causing discomfort but not a safety issue. Electrical problems may also affect other systems.
“I turned into a restaurant’s parking lot, found a spot and slowly drove into the lot, I eased off the gas pedal and gently applying the brake as the lot has a slight downward slope. When I reach the chunk (the parking block), I added more force to the brake,…”
“Grinding noise coming from front end upon acceleration. Brought to dealership who confirmed noises coming from transmission. Transmission needs to be replaced per dealer recommendation. Recalls on 2021 Toyota Camry for same issue. Transmissions on backorder a…”
Official recalls
Safety recalls on record
Federal recall campaigns — the defect, the risk, and the fix. Confirm any open recall was completed before you buy.
Mercury Mountaineer — 17 recalls
The 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…
The risk: IN THE EVENT OF A CRASH, THE SEATBACK AND HEAD RESTRAINT MAY MOVE REARWARD, INCREASING THE RISK OF INJURY.
The 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.
The defect: CERTAIN CURVED TEMPERED REPLACEMENT GLASS MANUFACTURED BY HANGZHOU SAFETY GLASS LTD AND SUPPLIED TO SAFELITE BY AUTO TEMP INC., IDENTIFIED AS DOT-430, AND SOLD FOR USE ON CERTAIN DOMESTIC AND FOREIGN VEHICLES MAY NOT BREAK INTO SMALL PIECES AS EXPECTED OF TEMPERED GLASS AND FAILS TO CONFORM TO FEDE…
The risk: IN THE EVENT OF A VEHICLE CRASH, THE OCCUPANT(S) MAY BE SERIOUSLY INJURED BY SHATTERED GLASS.
The fix: SAFELITE WILL NOTIFY ITS RETAIL CUSTOMERS AND REPLACE THE GLASS FREE OF CHARGE. RETAIL CUSTOMERS CAN CONTACT SAFELITE TOLL FREE AT 1-888-843-2906. SAFELITE WILL NOTIFY ITS WHOLESALE CUSTOMERS AND REIMBURSE WHOLESALE CUSTOMERS FOR CURRENT I…
The defect: ON CERTAIN SPORT UTILITY VEHICLES EQUIPPED WITH THE 4.6L ENGINE AND 6R TRANSMISSION, THE BOLT SECURING THE TRANSMISSION OIL COOLER LINE FITTINGS AT THE TRANSMISSION MAY NOT HAVE BEEN SUFFICIENTLY TORQUED DURING VEHICLE ASSEMBLY. AS A RESULT, THE BOLT MAY LOOSEN AND THE TRANSMISSION OIL COOLER LINES…
The risk: IF LEAKING TRANSMISSION FLUID CONTACTS THE CATALYTIC CONVERTER, IT MAY POSE A RISK OF FIRE.
The fix: DEALERS WILL INSPECT AND HAVE THE TRANSMISSION COOLER LINE ATTACHMENT BOLT TIGHTENED FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 30, 2007. OWNERS MAY CONTACT FORD AT 1-800-392-3673.
The defect: CERTAIN AFTERMARKET FUEL FILTERS SOLD UNDER THE PUROLATOR BRAND NAME, P/N F65277, SHIPPED FROM JANUARY 16 THROUGH JUNE 2, 2006, FOR USE ON THE ABOVE LISTED PASSENGER VEHICLES. DUE TO INCORRECT DESIGN, THE QUICK CONNECTORS MAY NOT FULLY SEAT WITH THE TUBE INTERFACE, EVEN THOUGH THE PERSON MAKING THE…
The risk: FAILURE OF THIS CONNECTION COULD LEAD TO FUEL SPILLAGE AND, IN THE PRESENCE OF AN IGNITION SOURCE, A FIRE COULD OCCUR.
The fix: UFI WILL NOTIFY OWNERS AND REPLACE THE FILTERS FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 4, 2006. OWNERS MAY CONTACT UFI FILTERS USA AT 800-230-5876.
Toyota Camry — 31 recalls
The defect: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2020-2021 Avalon, Avalon Hybrid, Corolla, Highlander, Highlander Hybrid, RAV4, RAV4 Hybrid, Lexus ES350, Lexus RX350, Lexus RX450H, 2021 Sienna Hybrid, Lexus ES250, 2020-2022 Camry, Camry Hybrid, and ES300H vehicles. A short cir…
The risk: An air bag that does not deploy during a crash increases the risk of injury.
The fix: Dealers will inspect and replace the sensor as necessary, free of charge. Interim letters notifying owners of the safety risk were mailed in February 2024. Some final remedy owner letters were mailed October 31, 2024. Letters will continue…
The defect: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2023-2024 Camry and Camry Hybrid vehicles. The second-row center and right-side seats may have insufficiently welded head restraint brackets. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle…
The risk: A head restraint bracket that is insufficiently welded may not properly restrain an occupant during a crash, increasing the risk of injury.
The fix: Dealers will replace the 60% rear seat-back frame sub-assembly, free of charge. Owner notification letters were mailed April 19, 2024. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's numbers for this recall are 24TB0…
The defect: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2023 Camry and Camry Hybrid vehicles. The lug nuts that attach the wheels to the vehicle may be loose, which can result in wheel detachment.
The risk: A wheel that detaches from a moving vehicle can cause a loss of vehicle control, increasing the risk of a crash.
The fix: Owners are advised not to drive their vehicles until the repair has been performed. Dealers will inspect and tighten the lug nuts, and replace any damaged components, free of charge. Owner notification letters are expected to be mailed on…
The defect: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2023-2024 Camry and Camry Hybrid vehicles. The second-row center and right-side seats may have insufficiently welded head restraint brackets. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle…
The risk: A head restraint bracket that is insufficiently welded may not properly restrain an occupant during a crash, increasing the risk of injury.
The fix: Dealers will replace the 60% rear seat-back frame sub-assembly, free of charge. Owner notification letters were mailed April 19, 2024. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's numbers for this recall are 24TB0…
Buyer analysis
Mercury Mountaineer or Toyota Camry: which should you buy?
The Mercury Mountaineer has fewer complaints per year (117 vs 214), but its issues are more safety-critical, including transmission and pedal design flaws. The Camry's higher count may reflect its popularity, but its problems also include serious brake and acceleration failures. Neither is clearly safer; both require thorough inspection.
Key differences
- Mountaineer: transmission fails to stay in Park, causing rollaway; Camry: transmission grinding and sudden acceleration.
- Mountaineer: pedal placement can cause unintended acceleration; Camry: brake failure reported on slopes.
- Mountaineer: power seat moves on its own; Camry: HVAC odors are common but not safety-related.
- Mountaineer: engine stalls frequently; Camry: engine sudden acceleration and coolant valve issues.
- Test the transmission: ensure it firmly engages Park and doesn't slip out of gear.
- Check the power seat operation: see if it moves unexpectedly when driving.
- Inspect the brakes: test pedal response on a slope and listen for grinding from the transmission.
- Check for any open recalls, especially for airbags and seats.
Before you buy
- Get a professional inspection focusing on transmission and engine performance.
- Check for open recalls on both vehicles using the VIN.
- Test drive on hills and at low speeds to feel for stalling or brake issues.
- Inspect the pedal layout in the Mountaineer for potential interference.
- Ask for maintenance records, especially for transmission and brake work.
Check the actual car
Comparing models is smart. Checking the VIN is essential.
Brand averages tell you the trend. A VIN check tells you what's wrong with the specific Mercury Mountaineer or Toyota Camry in front of you — accident history, open recalls and title records.
Go deeper
Full reliability reports
- Comparison
- Mercury Mountaineer vs Toyota Camry
- Mercury Mountaineer total complaints
- 1,169
- Toyota Camry total complaints
- 2,143
- Mercury Mountaineer total recalls
- 17
- Toyota Camry total recalls
- 31
- Mercury Mountaineer avg complaints/year
- 116.9
- Toyota Camry avg complaints/year
- 214.3
- More reliable overall
- Mercury Mountaineer
- Mercury Mountaineer top complaint area
- POWER TRAIN
- Toyota Camry top complaint area
- POWER TRAIN