https://plaincars.com/make/mercury-mariner New NHTSA complaints and recalls filed for the Mercury Mariner. en-us Tue, 22 Sep 2026 00:11:04 GMT https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2175896 Wed, 11 Feb 2026 00:00:00 GMT The contact owns a 2011 Mercury Mariner. The contact stated that while driving at an undisclosed speed, there was a strong fuel odor inside the vehicle. In addition, the contact stated that the fuel odor was noticeable all the way to the rear seat. The vehicle was taken to the dealer; however, the contact was informed that the tools needed to perform the repair were not available. The vehicle was https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2171689 Fri, 30 Jan 2026 00:00:00 GMT The power steering stopped working. A note did appear to let me know it wasn’t working. I took it in to the mechanic and he confirmed the power steering wasn’t working. https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2159905 Tue, 23 Dec 2025 00:00:00 GMT The contact owns a 2010 Mercury Mariner. The contact stated that after starting the vehicle, the message "Power Steering Assist Failure" was displayed, and the steering wheel became extremely difficult to turn in either direction. The local dealer and manufacturer were notified of the failure, but no assistance was provided. The contact was informed that the vehicle was previously repaired under https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2152595 Sat, 29 Nov 2025 00:00:00 GMT 90sWhile driving, the vehicle will suddenly display a warning message that says “Stop Safely Now”. When this message appears, the hybrid system overheats and the vehicle immediately loses power. The gasoline engine and electric motor both shut down without warning, even at highway speeds. I am forced to coast to the side of the road, which is extremely dangerous in traffic. This happens after the https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2127930 Mon, 08 Sep 2025 00:00:00 GMT Me and my wife purchased a vehicle from a private seller to use for personal commute. A month later we started to notice more issue were occurring with the car then stated from the seller. I took it to an auto body shop to get it inspected and possibly serviced and upon that inspection the clerk stated that there was a milage adjustment done to the vehicle. We contacted the seller to try and retur https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2127931 Mon, 08 Sep 2025 00:00:00 GMT Me and my wife purchased a vehicle from a private seller to use for personal commute. A month later we started to notice more issue were occurring with the car then stated from the seller. I took it to an auto body shop to get it inspected and possibly serviced and upon that inspection the clerk stated that there was a milage adjustment done to the vehicle. We contacted the seller to try and retur https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2127932 Mon, 08 Sep 2025 00:00:00 GMT Me and my wife purchased a vehicle from a private seller to use for personal commute. A month later we started to notice more issue were occurring with the car then stated from the seller. I took it to an auto body shop to get it inspected and possibly serviced and upon that inspection the clerk stated that there was a milage adjustment done to the vehicle. We contacted the seller to try and retur https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2111213 Thu, 17 Jul 2025 00:00:00 GMT Drivers rear shock rusted off the wheel well causing wheel to snap and metal frame to hit the ground while I was traveling 40 mph. At this time the other wheels locked up and started squealing causing loss of control of vehicle shooting me across lanes and hitting curbs on both sides. This was heard all the way inside a church and they came running out. If I had not been able to gain control it w https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2111214 Thu, 17 Jul 2025 00:00:00 GMT Drivers rear shock rusted off the wheel well causing wheel to snap and metal frame to hit the ground while I was traveling 40 mph. At this time the other wheels locked up and started squealing causing loss of control of vehicle shooting me across lanes and hitting curbs on both sides. This was heard all the way inside a church and they came running out. If I had not been able to gain control it w https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2111215 Thu, 17 Jul 2025 00:00:00 GMT Drivers rear shock rusted off the wheel well causing wheel to snap and metal frame to hit the ground while I was traveling 40 mph. At this time the other wheels locked up and started squealing causing loss of control of vehicle shooting me across lanes and hitting curbs on both sides. This was heard all the way inside a church and they came running out. If I had not been able to gain control it w https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2103445 Tue, 24 Jun 2025 00:00:00 GMT Vehicle notification stating Power Steering Assist Fault. Power steering locked up on highway going 60 mph while a child was in vehicle and vehicle was extremely hard to get off the highway. Parkway Ford of Pampa, Tx would not honor recall as VIN was not pulling up a recall. But a different auto mechanic repair shop did verify it was a recall. https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2097786 Thu, 05 Jun 2025 00:00:00 GMT The passenger side of the subframe has holes and will veer hard right when it brakes https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2095022 Tue, 27 May 2025 00:00:00 GMT Power steering failure on may 26th and 27th upon start up. Had to disconnect battery terminal to reset torque sensor https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2091299 Mon, 12 May 2025 00:00:00 GMT Power Steering assist fault went out with no warning. Now steering wheel is locking up while driving. Also when trying to gain speed the vehicle bogs out. https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2090922 Sun, 11 May 2025 00:00:00 GMT Engine light came on after putting fuel in my car it is hapless the codes read emission and fuel issues to replace cap but it is hapless it says it's an issue that needs to be fixed now my engine light won't go off https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2070971 Tue, 04 Mar 2025 00:00:00 GMT The contact owns a 2008 Mercury Mariner. The contact stated while at a stop sign, the vehicle failed to accelerate upon depression of accelerator pedal with the oil warning light flashing on the instrument panel. The contact drove the vehicle despite the failure returning upon restarting the vehicle. The contact had the vehicle towed to an independent mechanic and was informed that the shift lever https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2071025 Tue, 04 Mar 2025 00:00:00 GMT The contact owns a 2009 Mercury Mariner. The contact stated that while driving at an undisclosed speed, the contact became aware that the electronic power steering was not functioning properly, requiring an increased effort to maneuver the vehicle. The vehicle returned to normal functionality, but the failure became a regular occurrence. No warning lights were illuminated. The vehicle was not repa https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2059299 Fri, 24 Jan 2025 00:00:00 GMT The contact owns a 2011 Mercury Mariner. The contact stated that while attempting to make a turn from a complete stop, the steering wheel became significantly difficult to turn. The contact was able to turn the vehicle by using physical force. The contact stated that the failure persisted. The vehicle was taken to an unknown dealer, where it was diagnosed with electric power steering system torque https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2053619 Mon, 06 Jan 2025 00:00:00 GMT The contact owns a 2009 Mercury Mariner. The contact stated while attempting to drive out of the driveway, the vehicle stalled and lost power. The contact stated that several unknown warning lights were illuminated. The vehicle was then driven to an independent mechanic to be diagnosed. The vehicle was diagnosed with electric power steering failure. The local dealer was contacted; however, the veh https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2050792 Thu, 26 Dec 2024 00:00:00 GMT The contact owns a 2008 Mercury Mariner. The contact stated that while driving at 55 -60 MPH, the power steering failed. The steering wheel became increasingly difficult to maneuver. The vehicle was turned off while the contact inspected the vehicle. The vehicle was restarted but a short distance afterwards the failure reoccurred. No warning lights illuminated. The contact called the dealer who in https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2045247 Tue, 03 Dec 2024 00:00:00 GMT Unknown https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2045248 Tue, 03 Dec 2024 00:00:00 GMT Unknown https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2044044 Fri, 29 Nov 2024 00:00:00 GMT Power steering stopped working completely.... was taking a turn and the steering became stiff and shook a little and went back to normal. Parked the car. started the car 2 hours later and steering completely stiff... no power steering. a quick google search of this common issue will tell you : Ford owners forum groups with the same issue, complain that Ford apparently only did reprogramming an https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2041414 Tue, 19 Nov 2024 00:00:00 GMT This is an update to the complaint from June- Because I have to compensate manually for the electric power steering, I’ve aggravated upper back injuries and strained hip muscles I incurred from work. I have to attend physical therapy for those injuries now, but it’s useless if my only mode of transportation prolongs my recovery.—— My 2009 Mercury Mariner’s steering wheel started locking up 3 month https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2041415 Tue, 19 Nov 2024 00:00:00 GMT This is an update to the complaint from June- Because I have to compensate manually for the electric power steering, I’ve aggravated upper back injuries and strained hip muscles I incurred from work. I have to attend physical therapy for those injuries now, but it’s useless if my only mode of transportation prolongs my recovery.—— My 2009 Mercury Mariner’s steering wheel started locking up 3 month https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2034409 Tue, 22 Oct 2024 00:00:00 GMT The contact owns a 2008 Mercury Mariner. The contact stated upon starting the vehicle, the steering wheel was significantly difficult to turn. There was no warning light illuminated. The vehicle was towed to an independent mechanic, where the contact was informed that the electric power steering had failed. The mechanic determined that the failure was related to NHTSA Campaign Number: 14V284000 (S https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2029924 Fri, 04 Oct 2024 00:00:00 GMT The contact owns a 2009 Mercury Mariner. The contact stated that while her son was driving at various speeds, the vehicle intermittently experienced a loss of power steering assist. No warning light was illuminated. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The contact related the failure to NHTSA Campaign Number: 14V284000 (Steering); however, the VIN was not https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2029386 Wed, 02 Oct 2024 00:00:00 GMT The power steering on my vehicle has failed and the repair shop stated there is an expired recall for the steering on this vehicle from 2014. I bought my vehicle (2009 Mercury Mariner) 1 year ago. VIN: [XXX] . INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2021553 Tue, 03 Sep 2024 00:00:00 GMT The contact owns a 2009 Mercury Mariner. The contact stated while driving 30-35 MPH, the vehicle lost power steering functionality. The contact was able to pull to the side of the road. The contact turned off and restarted the vehicle after 15-20 minutes, and the power steering became functional. The contact was able to continue driving. The contact stated that the failure recurred several times w https://plaincars.com/make/mercury-mariner https://plaincars.com/make/mercury-mariner#complaint-2003615 Sat, 29 Jun 2024 00:00:00 GMT Car was in accident in October of 2022 has been lost since