2010 Mercury Mariner Engine cooling Problems
- Complaints
- 2about this part
- Share
- 1%of 270 total for the year
- Median mileage
- 52,594miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine cooling of the 2010 Mercury Mariner, 1% of the 270 complaints for this model year. Where a mileage was given, the median is 52,594 miles.
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.
“This vehicle was purchased used from a lincoln Mercury dealer in early july, 2014. Mileage was approximately 63,500 miles. At the time the air conditioning worked fine. Early in august we noticed the air conditioning was no longer cooling the vehicle. There was an outstanding recall --- 14s05 -- related to the power steering. I took the vehicle to a local ford dealer to have the recall work done. As a side issue I asked that the A/C be checked. …”
NHTSA complaint #10628781, filed 2014-08, 63,968 miles“While driving on local interstae (271s) my car began to lose speed and dropped from 60 MPH to 10mph then to a crawl. Luckiy I made it to the shoulder ( I was in the right lane with limited traffic) the car began to sputter and jump. I turned off the ignition. This could have been a serious possible fatal accident if I had been in heavy traffic. No warning was provided. It happened, the wrench symbol popped up as it was happening and there was nothing I could do. I travel daily on the highway to/from work. The traffic is very heavy. …”
NHTSA complaint #10526126, filed 2013-07, 41,220 milesRelated service bulletins
- 10177599Jun 3, 2020These SKUs are Exhaust Manifolds with Catalytic Converters. The customer communication requested return of unsold inventory due to a loss of CARB certification. These SKUs can no…
- 10177598Jun 3, 2020These SKUs are Exhaust Manifolds with Catalytic Converters. The customer communication requested return of unsold inventory due to a loss of CARB certification. These SKUs can no…
- 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…
- 10043648Jan 1, 2012Ford: the variable camshaft timing vct) solenoid movement may be temporarily restricted due to debris in engine oil that is causing diagnostic trouble codes (dtcs).
- 10040948Mar 15, 2011Ford: there may be a leaking/stuck canister purge valve which can cause multiple driving systems. The malfunction light may be on with or without stored trouble codes.
- 10039064Feb 11, 2011Ford: there may be a hard start or rough idle accompanied with two trouble codes. The problem may have to do with camshaft timing. 2010-2011 fusion/escape/milan/mariner.
- 10037561Feb 1, 2011Ford: vehicles may run rough, hard start after refueling, clicking noise under hood, and have trouble codes stored.
- 10037083Sep 17, 2010Ford: on various 2009-2010 models there may be a malfunction light on with five possible fault codes.
- 10037097Sep 7, 2010Ford: some hybrid vehicles may have a malfunction light on with two possible fault codes.
Engine cooling: other model years
Other parts of the 2010 Mercury Mariner
66 complaintsFuel system
63 complaintsEngine
61 complaintsSteering
61 complaintsTransmission and drivetrain
60 complaintsElectrical system
29 complaintsOther or unknown
11 complaintsVisibility (wipers, defrost, mirrors)
8 complaintsBody and structure
7 complaintsElectronic stability control
6 complaintsBrakes
5 complaintsAir bags
4 complaints
← All problems reported for the 2010 Mercury Mariner
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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