2011 Mercury Mariner Repairs and Problem Descriptions at TrueDelta

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Mercury Mariner in Michigan, United States Dec 2010 - May 2015
Sep 2014 38000 mi US $89	Computer reflash for sync system and poor shifting

Mercury Mariner in Texas, United States Sep 2011 - Dec 2016
Nov 2011 2700 mi	Tire light would not go off. Car did not shift smoothly from first to second.
Dec 2015 29000 mi	There is a TSB/fix for the drive train. The light came on, manual said when this happens to take vehicle to the dealer immediately, which I did.

Mercury Mariner in Pennsylvania, United States May 2010 - Jul 2016
Jun 2010 2000 mi	Paint chip (from factory) and transmission issue
Nov 2014 77100 mi US $300	Leaking transmission fluid

Mercury Mariner in Georgia, United States Mar 2013 - Nov 2013
Oct 2013 48500 mi US $550	Throttle body and evap emmissions controller

Mercury Mariner in Ohio, United States May 2015 - Sep 2016
Aug 2015 85900 mi US $250	Stabilizer bar needed replaced

Mercury Mariner in New Hampshire, United States Nov 2009 - Mar 2017
Jun 2010 7000 mi	45 minute to complete service.
Apr 2014 50100 mi US $40	Cleaned and cycled the fuel filler cap less system after getting a 456 code. Reset the code and it came back after four days. It will be brought to a repair shop later this month for more extensive testing. Cleaned and cycled the fuel filler cap less system after getting a 456 code. Reset the code and it came back after four days. It will be brought to a repair shop later this month for more extensive testing.
Aug 2014 53500 mi US $18	Fan control resistor failed. Replaced.
Apr 2016 61000 mi US $160	Purge vale replaced.

Mercury Mariner in New Hampshire, United States Sep 2017 - Jun 2022
Jun 2018 38000 mi US $420	Rust on outside body panels.
Dec 2020 46000 mi US $1700	Premature rust. Factory defects.
Oct 2021 60000 mi US $450	Rust on wheel wells or just above the rear wheels. Body shop stated that this is a known issue with this model.
Jun 2022 71000 mi US $11000	Rust above rear wheel wells.

Mercury Mariner in New York, United States Jan 2011 - Aug 2016
Feb 2011 12000 mi	Right front axle replaced by Ford to fix a leak in the axle seal. They tried to just replace the seal on two occasions and failed. Ford authorized the whole axle replacement.
Sep 2014 32000 mi US $115	replace Blower resistor ( Climate Control )
May 2015 35600 mi US $35	valve stem replaced on lf tire

Mercury Mariner in Texas, United States Dec 2009 - Dec 2012
May 2010 13700 mi	TSB to reprogram transmission for better shifts from 1-2 and 2-3, reducing long term wear on the transmission.
Dec 2010 21000 mi	Check Engine list was due to Camshaft Position Sensor failure. Part replaced under warranty and was included in a TSB for Marniers made prior to April 2009.
Feb 2011 22700 mi	Slow to engage gear from stop or accel out of corners. Dealer topped off fluid. A week later I pulled the battery cable to reset and the problem is gone for now. Fluid was a bit low, I suspect may have 1/2 shaft leak problem.
Aug 2011 29000 mi	Slow transmission leak, TSB called for replacing filler tube/dipstick with updated part. So far, no leak.

Mercury Mariner in Maryland, United States Dec 2008 - Jun 2011
Nov 2009 16000 mi	One of the two right front speakers of the Audiophile system damaged at normal volume.
Jan 2010 18000 mi	Driver side automatic temp control was faulty; would heat up quickly, slowly subside, then turn cold without changing the temperature.

Mercury Mariner in Michigan, United States Jul 2009 - Jun 2022
Oct 2009 3000 mi	Vehicle wouldn't start, then after starting ran very rough. Computer replaced.
Mar 2010 8000 mi	Brakes pulling to the right
Mar 2011 16000 mi	Serious transmission seal leak. Shifting problem with transmission.
Apr 2011 16000 mi	Seal leak reappeared after more than a week. Fixed again.
Jan 2012 16700 mi	Transmission was shifting very roughly in cold weather in the early morning.
Jul 2012 27500 mi	Transmission Seals leaked
Dec 2012 30000 mi	Rough shifting, Transmission Leak. Fourth repair for this problem.
Jan 2013 25700 mi	Rough shifting and fluid leak. Repair corrected the problem, but it has returned in the past several days.
Jun 2013 36000 mi	Rough shifting, fluid leak
Jul 2014 59700 mi	Rough Shifting, fluid leak
Dec 2014 67000 mi US $100	Liftgate latch stopped functioning
Dec 2015 85000 mi US $240	Battery required replacement
Dec 2017 105000 mi	Routine lube, oil and filter
Mar 2018 109000 mi US $52	Routine Lube Oil and Filter
Apr 2018 110000 mi US $1868	Leaks repaired and recharge Both stabilizer bars were loose.
Jan 2022 151000 mi US $1200	Exhaust Manifold
Jun 2022 156000 mi US $450	Stabilizers needed to be replaced.

Mercury Mariner in Michigan, United States Jun 2009 - Aug 2015
Mar 2014 58000 mi US $414	Oil leak at left axle. Replaced seal, bushing & axle inner hub.

Mercury Mariner in Massachusetts, United States Mar 2009 - Aug 2012
May 2011 17000 mi	Loud clicking noise coming from behind dash, when defrost is on then turned off .
Sep 2011 19000 mi	Loud squeal from dash, took 2 years to find source. Cabin air filter was never installed & 2 years of crap was sucked into AC/heater blower. It took dealer 3 days to find out filter was a option. I fought with dealer, was covered by warranty.

Mercury Mariner in Virginia, United States Mar 2012 - Jun 2013
Sep 2012 41000 mi US $78	Error Code P00012, Camshaft Position - Timing Over-Retarded (Bank 1). I was due an oil change as well. Come to find that low oil will cause the Error Code, which cleared after properly filling the sump.

Mercury Mariner in Michigan, United States Oct 2011 - May 2013
Jun 2012 46000 mi US $900	Evaporator developed hole; A/C would not take a recharge; Dealership suspected road hazard, would not warranty. First diagnosed as leaking shock; later identified as bad gaskets causing leaks throughout drivetrain.
Aug 2012 48000 mi US $700	Evaporator developed a hole again, had to be replaced. Purchased a metal mesh grill and had it installed over the front surface of the evaporator. The grill design appears to provide very little protection.
Dec 2012 53000 mi US $100	Vehicle struggled under WOT acceleration. Ignition coil packs had to be replaced.

Mercury Mariner in South Carolina, United States Mar 2009 - Sep 2009
Apr 2009 18000 mi	Navigation system locked down along with radio

Mercury Mariner in Texas, United States Oct 2014 - Nov 2022
Jan 2015 US $950	ABS Module Failed. Lost ABS. Replaced ABS with OEM model.
Jul 2016 58700 mi US $125	Windshield Washer Pump failure. Required replacing washer pump.
Nov 2022 79000 mi US $200	Battery Corrosion and failure. 2+ year old battery. Easy Replacement.

Mercury Mariner in Virginia, United States Feb 2010 - Jun 2011
Apr 2010 13700 mi	auto transmission now subject to recall, noticed by owner earlier

Mercury Mariner in Texas, United States Jul 2008 - Jun 2022
Dec 2009 27000 mi	Transmission not shifting right. Shop took out unit and bench checked. Found metal shavings. Parts were on back order. Ford sent whole new tramsmission. Ford took care of. Still under warranty. Did not cost me a cent. Replaced a motor mount and sub member.
Mar 2013 95000 mi US $200	Leaking trans fluid from driver side cv joint coming out of trans.
Oct 2015 153477 mi US $35	Rear window above trunk weather stripping leaking. Replaced weather stripping.
May 2016 167000 mi US $500	Struts and shocks, were performing poorly
Jun 2016 169000 mi US $68	Valve cover gasket replaced because it was leaking oil.
Aug 2016 162000 mi US $68	Driver side. Rear door regulator. Cable in regulator broke.
Jul 2017 193000 mi US $114	Thermostat letting car run too cool. Replaced thermostat. Water pump leaking. Replaced water pump.
Nov 2017 203000 mi US $28	Blend door actuator was hunting.
Jan 2018 206600 mi US $150	Vehicle would not start when key was turned sometimes. Replaced steering column ignition housing flange switch. Ford part 9L8Z-3511-A.

Mercury Mariner in Ohio, United States Jun 2013 - Dec 2013
Jul 2013 61200 mi US $60	Linkage bushings worn causing rattle

Mercury Mariner in Michigan, United States Oct 2009 - Jun 2018
Oct 2016 118000 mi US $480	Left heater actuator defective

Mercury Mariner in Colorado, United States Jul 2010 - Sep 2019
Aug 2013 96300 mi US $75	Replaced air flow mix motors in dash.
Jan 2016 US $130	Fuel Fill neck no longer sealed; attempted "quick fixes" with no results, replaced the fuel fill neck.

Mercury Mariner in Ohio, United States Jan 2011 - Mar 2011
Feb 2011 23000 mi US $10000	I was told there was no problem or they could not replicate it & they all do that. called Ford and told them I have had this SUV in the repair shop 5 times for the same thing and it still doesn't shift right. It gets stuck in gear. Slipsout

Mercury Mariner in New York, United States Dec 2011 - Jan 2012
Jan 2012	Intermittent engine bucking and missing and no computer code being given

Mercury Mariner in Oklahoma, United States Oct 2007 - Jul 2012
Sep 2009 13000 mi	Shudder in drivetrain when accelerating from a coast. Driver's side rearview mirror does not defog/defrost. High pitched sound seemingly coming from the air vents when AC is turned on and driving at highway (70+ mph) speeds.

Mercury Mariner in Ohio, United States Aug 2013 - May 2016
Sep 2015 102000 mi US $10	Replaced the tone ring on the front driver's side half shaft. The original tone ring had cracked.
Feb 2016 105900 mi US $669	Steering wheel would shake and jerk while car was engine was running and the car was stopped. Steering torque sensor was replaced. Vehicle was recalled earlier for this problem. At that time steering software was updated.

Mercury Mariner in Michigan, United States Oct 2009 - Apr 2018
Sep 2013 102000 mi US $225	ABS tone ring replacement needed - common problem with Escapes & Mariners. Ring made of thin metal, prone to cracks and breakage.
Jan 2014 126500 mi US $20	Replaced blower motor resistor so fan would work at all speeds.
Oct 2014 115500 mi US $360	sway bar link replaced
Nov 2015 129000 mi	Ball joint
May 2016 133300 mi US $425	Water pump leaking, progressing toward failure.
Sep 2017 152000 mi US $900	Cracked exhaust manifold Dipstick stuck in tube

Mercury Mariner in Illinois, United States Apr 2013 - Apr 2017
Jul 2014 65500 mi	Both rear wheel wells are consumed with rust. Ford takes no responsibility as it is over 5 years old. Every body shop I have been to tells me the same thing. "Because of the location of the rust there is nothing we can do". I'm done with Ford.
Apr 2015 72000 mi	engine mounts replaced tie rods and sway bars
Apr 2016 84700 mi US $251	replaced ty-rods

Mercury Mariner in Florida, United States Aug 2010 - Sep 2016
Oct 2010 36000 mi	Bad rattle in dash area. Reported before under warranty and padding added. This time happened immediately after the previous visit for oil change/rotation/routine maint. Apparently, they were looking for Sirius Radio SN to enter promotion.

Mercury Mariner in Missouri, United States Sep 2010 - Jan 2012
Jun 2010 36000 mi	Noticed tiny transmission fluid leak at 36K miles. This coincided with scheduled service. Dealer diagnosed the problem related to the transmission fluid cooler/radiator. It was replaced free. Later I got a recall notice for same issue.

Mercury Mariner in Rhode Island, United States Nov 2010 - Jun 2018
Nov 2011 47000 mi	Power Moonroof jammed and would not open
Dec 2011 48000 mi	After Moonroof track was repaired the Moonroof would not operate properly. Express Open didn't not work, Automatic stop at closed position would not work.
Oct 2014 74300 mi US $270	Trim around windsheild was leaking. The dealer attempted to refix the rubber seal around the window but did not fix the water leak. The traction control warning light on the dashboard would illuminate. The 4x4 control module needed to be replaced.
Mar 2018 94000 mi US $180	Replaced right front caliper & brake hose.
Apr 2018 94000 mi US $350	Left front brake caliper.

Mercury Mariner in United Arab Emirates Apr 2008 - Dec 2010
May 2010 11036 mi	General Maintenance. Front driver seat is moving on the rail while driving. This is not repaired yet; only diagnosed. Needs rail to be replaced which takes 2 days. (1 day repair, and 1 day for Ford approval to replace the part)
Sep 2010 14880 mi	Driver seat was moving moving slightly while driving, and making a clicking noise. Replace seat rail machanism

Mercury Mariner in West Virginia, United States May 2009 - Dec 2016
Jun 2009 19000 mi	Transmission cooler defective. Vehicle was inoperable.
Oct 2016 61200 mi US $100	Both rear window mechanisms failed and were replaced by owner.
Nov 2016 61300 mi US $100	Transmission cooling line to radiator developed a leak. Replaced line and fluid. Also engine oil changed.

Mercury Mariner in Nebraska, United States Oct 2008 - Oct 2009
Feb 2009 7000 mi	Engine oil leaking in small amount. Dealer put into the oil a marking substance which will allow them to track the leak with a black light at next visit.
Mar 2009 8000 mi	Oil pan leak.
Apr 2009 10000 mi	Suspension (front) parts replaced. Dealer did not re-align the front end on first trip as they should have. Second trip was required to have that done. Vehicle now repaired correctly.
May 2009 10000 mi	Engine pings at times. Unable to replicate with mechanic present.
Jul 2009 11000 mi	Ford tech hears the ping - it is quite audible at times, very annoying too. The tech checked with Ford....no resolution available. Ping is intermittment, Ford 2nd level scratches its collective head.
Oct 2009 13000 mi	Car sold with ping still present.

Mercury Mariner in Pennsylvania, United States May 2008 - Mar 2010
Jul 2008 11000 mi	Exterior roof molding, at weld seam, replaced.
Jun 2009 15000 mi	Gas mileage dropped significantly over the winter months. Had been averaging 20/21 mpg consistantly, then 17/18 over the winter. When originally informally, discussed with the dealer service, we were told that it most likely was the winter gas...

Mercury Mariner in Michigan, United States Feb 2010 - Aug 2010
Feb 2010 26500 mi	air conditioner condenser replaced, the transmission was leaking.
Apr 2010 29000 mi	air conditioner condensor replaced - it was causing a transmission leak in the very front of the engine.

Mercury Mariner in New York, United States Nov 2008 - Mar 2010
Jan 2008 19200 mi	sunglass holder replaced
Oct 2008 19200 mi	sunglass holder replaced

Mercury Mariner in Alaska, United States Dec 2013 - Jan 2022
Dec 2014 66000 mi	Preventative TSB

Mercury Mariner in Illinois, United States Feb 2013 - Jun 2016
Mar 2014 44000 mi US $3731	Car was loaned to parents to take two 3 yr olds to Disney World. Transmission totally failed at highway cruising speeds with no warning/previous incidents. Resulted in rapid deceleration and left them stranded at night. NOT SAFE!

Mercury Mariner in Florida, United States Oct 2009 - Nov 2015
Apr 2009 25256 mi	Paint peeling on the door handles.
Jul 2012 59993 mi US $908	Engine stalled on highway. Dash had red triangle and warning stating to pull over safely. Towed to dealer. Hybrid cooling pump replaced w/ a reprogram of pcm performed.
Nov 2012 64700 mi US $475	Clicking noise from dash and defrost failure. Replaced 2 actuators. System appears to be functioning normally.
Jul 2013 73000 mi US $504	Key/ignition replaced. This alleviated the problems where the A/C would not work sporadically.
Apr 2015 85200 mi US $425	Rough ride was diagnosed to worn tie rods. Brake pads on the front also replaced.

Mercury Mariner in New Jersey, United States Oct 2017 - Jan 2020
Jun 2017 163000 mi US $1100	transfer case wore out, metal flakes in oil
Nov 2017 21000 mi US $1620	Cvt replaced

Mercury Mariner in Maryland, United States May 2008 - Nov 2020
Feb 2010 39000 mi	Some sort of software glitch that threw off a "park immediately, hazardous condition" fault that when we restarted did not appear. We took it to the dealer, they found the fault code was there but couldn't find the source. Reflashed SW & we're done
Jan 2011 57000 mi US $310	Windshield washer pump output to rear window cracked leaking fluid whenever the rear window washer was activated. Pump was replaced and the oil and filter were also changed
Sep 2013 102000 mi US $680	The faulty item was the high voltage battery coolant pump, which cost approximately $240 material and $200 to replace. At the dealer's recommendation, we also replace the coolant to ensure there wasn't debris in the system.
Dec 2015 149000 mi US $898	The ignition switch was starting to malfunction, taking two or three turns of the key to get the contacts to close and the car to start. This was not going to improve, so we had the switch replaced. At least we didn't have to get new keys
Mar 2018 184000 mi US $1100	Replaced worn tie rod ends Replaced both front rotors and pads

Mercury Mariner in South Dakota, United States Jun 2011 - Jun 2018
Mar 2015 57000 mi US $100	Needed to fix turn signal problem which was functioning erratically.

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