2008 Mercury Mariner Engine Problems
- Complaints
- 14about this part
- Share
- 3%of 461 total for the year
- Median mileage
- 113,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 14 complaints about the engine of the 2008 Mercury Mariner, 3% of the 461 complaints for this model year. Where a mileage was given, the median is 113,500 miles. 1 of these say a crash was involved, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“My vehicle is having trouble steering, took my vehicle to the repair shop and they informed that it was a recall on it. I took my vehicle to the dealership and they told me since my VIN number for me vehicle was not in the recall there was nothing that they could do and wanted to charge me $125.00 to put it on their machine, I already to my SUV to the shop and they informed to go to the dealership”
NHTSA complaint #10837925, filed 2016-02, 149,000 miles“While driving my car stalls without warning then it jerks real hard and takes off so I have to ride the brakes after coming to a stop before I can press the gas peddle it takes off so I ride the brakes. While driving again it picks up speed on its own very scare please help.”
NHTSA complaint #10566766, filed 2014-03, 102,000 miles“My wife was driving on her way home, and out of nowhere the steering felt weird, and while driving the car shut off. No power steering or power brakes (due to engine shutting off) and we do not know why this happened.”
NHTSA complaint #10914078, filed 2016-10, 149,000 miles“Driving the truck through a drive thru at a mcdonalds with my 2 year old son in backseat and the power steering stopped working as proceeding thru drive thru, almost hitting the building having no control over truck. Very dangerous problem with this make and model/this is a safety hazard and someone will end up as a casualty if this problem with steering not recalled by ford. I am a 280 guy and could barely steer the truck until I shut it of and restarted it. …”
NHTSA complaint #10574678, filed 2014-03, 139,000 miles“I had just made a right turn and was proceeding down the block when I heard a sudden click and lost power. I couldn't steer and there was no power. I managed to get the car over to the curb and turn off the engine. I restarted it a few minutes later and it started up ok. However, the rsc warning light stayed on even though I had never pressed that button. This is not the first time this has happened. The first time it happened I was told it was a battery problem so I got a new battery. …”
NHTSA complaint #10575567, filed 2014-03, 77,000 milesRelated service bulletins
- 10109070Sep 21, 2016The Powertrain Control/Emissions Diagnosis (PC/ED) manual has been revised for diagnosing electronic throttle bodies (ETBs). The ETC_ACT and ETC_DSD PIDs should not used to…
Engine: other model years
Other parts of the 2008 Mercury Mariner
297 complaintsTransmission and drivetrain
66 complaintsBrakes
35 complaintsVehicle speed control
31 complaintsElectrical system
27 complaintsOther or unknown
20 complaintsFuel system
10 complaintsAir bags
8 complaintsEngine cooling
6 complaintsElectronic stability control
5 complaintsBody and structure
5 complaintsSuspension
5 complaints
← All problems reported for the 2008 Mercury Mariner
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology