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2007 Mercury Mariner problems

The most common problem on the 2007 Mercury Mariner is transmission and drivetrain, typically around 84,735 miles. It has fewer complaints than a typical Mariner model year.

Typical yearClose to a typical year
Year score
88/100
Owner complaints
33
Recalls
2
Service bulletins
15
Worst area
Transmission
Fuel economy
19-27mpg

The worst 2007 Mercury Mariner problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

Problems by type

Tap a problem to see which part fails, at what mileage and in which other years.

  • Transmission
    11
  • Engine
    9
  • Electrical
    7
  • Acceleration
    4
  • Airbags
    2
  • Suspension
    2
  • Brakes
    1
  • Seat belts
    1
  • Steering
    1
  • Tires
    1

Specific symptoms reported on the 2007 Mercury Mariner

Won't shift 6

Recalls 2

Power train: automatic transmission: lever and linkage: floor shiftReported September 29, 2015 · 57 vehicles affected
What is wrong
Ford Motor Company (Ford) is recalling certain model year 2001-2008 Ford Escape and Mercury Mariner vehicles manufactured March 31, 2001, to September 1, 2009. The affected vehicles are equipped with either a 2.3L or 3.0L engine and have had their CD4E transmission replaced with remanufactured one that was rebuilt between June 11, 2015 through July 15, 2015. These service repair part transmissions have a shift lever bolt that may not be properly tightened. As a result, the shift control lever could disengage from the transmission without warning.
Risk
If the shift lever disengages from the transmission, a driver may be unable to shift gear positions and the indicated shift position may not represent the gear position the vehicle is in. Should a disengagement occur while the vehicle is being driven, when the driver goes to stop and park the vehicle, the gear selection indicator may show that the transmission is in the "PARK" position, but the vehicle transmission may not actually be in the "PARK" gear position. If the vehicle is not in the "PARK" position there is a risk the vehicle will roll away as the driver and other occupants exit the vehicle or anytime thereafter. A vehicle rollaway increases the risk of injury to exiting occupants and bystanders.
Remedy
Ford will notify owners, and dealers will inspect the transmissions and either tighten the manual shift lever bolt or replace the manual shift lever assembly. These repairs will be performed free of charge. The recall began on October 23, 2015. Owners may contact Ford customer service at 1‑866‑436‑7332. Ford's number for this recall is 15S28.

Recall number 15V606000 · Recall details

Hybrid propulsion systemReported September 3, 2014 · 70,209 vehicles affected
What is wrong
Ford Motor Company (Ford) is recalling certain model year 2005-2008 Ford Escape hybrid electric vehicles manufactured October 13, 2003, to June 20, 2008, and 2006-2008 Mercury Mariner hybrid electric vehicles manufactured June 10, 2005, to June 20, 2008. The coolant pump for the hybrid system may fail resulting in the hybrid electronics overheating.
Risk
If the hybrid electronics system overheats, it may shut down the powertrain, resulting in a stall-like condition, increasing the risk of a crash.
Remedy
Ford will notify owners, and dealers will inspect and replace the original Motor Electronics Coolant (MEC) Pump with an improved brushless pump, free of charge. The recall is expected to begin on October 27, 2014. Owners may contact Ford customer service at 1‑866‑436‑7332. Ford's number for this recall is 14S19.

Recall number 14V526000 · Recall details

See all 2 recalls for the 2007 Mercury Mariner

Defect investigations

Tire valve crackingOpened October 14, 2008, closed April 9, 2009

On october 14, 2008, odi opened pe08-060 to investigate allegations of cracked and leaking snap-in tire valves in model year (my) 2007 vehicles manufactured by ford motor company.the valves were supplied to ford by topseal auto-parts, a subsidiary of the shanghai baolong automotive corporation in china.valves made by topseal for aftermarket sale were the subject of two recent safety recalls by tech international (08t-018) and dill air controls (08t-028), the latter of which was investigated by odi in pe08-036 and ea08-022.the defect conditions addressed by the aftermarket tire valve recalls both involved inadequate resistance to ozone cracking due to issues with the supply of anti-ozonant chemicals to topseal for a period from july to mid-november 2006.the aftermarket valves were compounded with a blend of epdm and natural rubber, using a relatively low percentage of epdm (epdm provides inherent resistance to ozone cracking).hence, the need for anti-ozonant chemicals and the problems with cracking when those chemicals were missing or out of specification in some lots of valves.both recall campaigns involved inspection programs to identify and replace valves with visible surface cracking.although the topseal valves supplied to ford also appear to have been affected by the anti-ozonant supply issues in mid to late-2006, ford indicated that its valves were made at a different topseal production line and were compounded with a higher percentage of epdm rubber to meet more stringent specifications from ford.odi's analysis of complaint and warranty data provided by ford showed that problems with cracked tire valves were significantly higher for my 2007 vehicles produced from december 2006 through march 2007.ford responded by implementing changes in its material specifications for snap-in rubber tire valves and also increasing the quality and acceptance standards for valves imported for use in its vehicles.while the complaint and warranty claim rates are elevated for subject vehicles produced from december 2006 through march 2007, the rates of leaking valves are well below one percent of production for each of the peak months for all of the affected models.a substantial majority of the subject vehicles are equipped with tire pressure monitoring systems (TPMS) which warn the driver when any tire pressures drops below 25 percent of recommended inflation pressure. As outlined in a letter to odi dated april 6, 2009, ford has agreed to send letters to owners of certain my 2007 and 2008 ford, lincoln and mercury vehicles to provide information about the cracking concern. Letters will be sent to owners of vehicles built from november 2006 through may 2007.owners can opt for a free dealer inspection.valves exhibiting surface cracks or air leakage related to ozone attack will be replaced by ford under its normal warranty terms.ford expects to send the letter by approximately mid-may 2009. Based on the use of TPMS in the majority of subject vehicles and the relatively low rates of repairs associated with leaking valves and resultant tire damage, odi believes that the actions ford has agreed to take will provide effective and expeditious resolution for vehicles that were built during the period when valves with inadequate resistance to ozone cracking were most likely to have been used in vehicle production.further investigation of this matter would not be an efficient allocation of agency resources.accordingly, this investigation is closed.the closing of this investigation does not constitute a finding by the federal safety agency that a safety-related defect does not exist.the agency will continue to

PE08060

Technical service bulletins for the 2007 Mercury Mariner 15

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

See all 15 bulletins for the 2007 Mercury Mariner

2007 Mercury Mariner fuel economy

Official EPA estimates in miles per gallon (MPGe for electric). Ranges cover trims that share the same engine.

EngineDriveCityHighwayCombined
2.3L 4‑cyl Hybrid4WD282727
2.3L 4‑cylFWD202421
3.0L 6‑cylFWD182320
2.3L 4‑cyl4WD182320
3.0L 6‑cyl4WD172119

What 2007 Mercury Mariner owners say

Most recent owner complaints, unedited.

Filed Nov 29, 2025 · Engine · CA

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 vehicle has been driven for a short period of time. The cooling fans appear to be running, but the hybrid electronics system overheats and triggers the shutdown safety mode. After waiting for the vehicle to cool down, it will restart, but the problem continues every time the car reaches normal driving temperature. This issue matches the symptoms covered under Ford’s previous safety actions and customer satisfaction programs for the 2005–2008 Ford Escape and Mercury Mariner Hybrid (hybrid electronics overheating and shutdown). The dealership states that no recall appears under my VIN, but the safety failure is identical. The vehicle becomes unsafe and inoperable with no advance warning beyond the brief “Stop Safely Now” message. This defect poses a serious risk of a crash, injury, or death due to the sudden loss of propulsion in traffic.

Filed Mar 2, 2021 · Airbags · 168,000 miles · MI · crash · 1 injury

Rear-ended a snow plow going 30-35 MPH when I was going 60 MPH and the driver-side airbag failed to deploy resulting in serious injury.*dt*jb*dt*jb*dt*dt*jb*jb*dt*jb*jb*dt*jb

Filed Sep 17, 2020 · 196,000 miles · FL

When shifting into gear the vehicles wrench light comes on and regen disabled show up and the vehicle won't accelerate. I can shut it off and back on and the wrench light will go away for a couple miles then back on with the same problems

Filed Jun 4, 2020 · Electrical · 205,567 miles · TX

The recall that ford is recalls 2007mercury mariner while driving vehicle just shuts off I was with my daughter driving on the highway lucky I was able to switch all 4 lanes the engine gets hot tempter gauge reading normal it stays in the middle turn vehicle ttb back on press pedal no power pump the pedal and hopes it stays on its been acting three months.

Filed May 30, 2019 · Transmission · 152,000 miles · IN

Tl* the contact owns a 2007 mercury mariner. While the contact's son was driving the vehicle, the transmission slipped and went into other gears. When the vehicle was in neutral, it shifted into drive on its own. On another occasion, the contact's son stated that the vehicle felt as if it were dragging after it jumped. In addition, "overdrive" appeared on the control panel the vehicle was towed to an independent mechanic, but was not diagnosed or repaired. The vehicle was then towed to another independent mechanic who was unable to duplicate the failure. The manufacturer was made aware of the failure and informed the contact to call the federal safety agency. The dealer was not contacted. The failure mileage was 152,000.

Filed Apr 11, 2017 · Electrical · 116,245 miles · PA

Takata recall I was on the express way in motion and the car shut down meaning that all of the gadges shut down. Then the car just coast until I could pull over without being hurt or hurting other drivers. Nothing showed up just shut down.

Filed Feb 22, 2017 · Transmission · 124,746 miles · NH

I have just found out I have lost 2nd gear and 4th gear is on its way out on my car. Apparently this is a problem that ford has known about at least since 2012, according to an online ford motor company publication, maybe even earlier. The publication states that it affects 2007-2008 ford escapes and mercury mariners. What I want to know is, if they knew about it at least five years ago, why wasn't there a recall and if not a recall, some kind of financial assistance/compensation for the repairs? I've shopped around for prices and the best I could find was $2200.00 for the repair plus another $225.00 for a rental to use while my car is being repaired. The repair is going to take 3-5 days.

Filed Feb 6, 2017 · Electrical, Engine · 100,006 miles · PA

My son was using our car he drove it to work... All was fine...he used the car to go get lunch in the shopping center... Drove back from the shopping center to a parking spot outside his job location... He then completed his shift at dick's sporting goods where my wife and I met up with him...we all proceeded to our car and truck which were parked across from one another...my wife and son got in the mercury I got in my truck... My son tried to start the mercury but it would not turn over...my wife tried still would not turn over ... Checked the battery all was good so I thought maybe the starter? Had it towed , and a starter replaced? Still nothing ... My mechanic said it was the motor ? And I would need a new motor !!! So I looked on line and found something about a class action lawsuit involving mercury mariner 2005 to 2008 mine is a 2007 ? Called them but the said I have to contact ford motor company my self ???? So that is what LED me to you!!! Can you help?

Filed Feb 17, 2016 · Electrical · 10,500 miles · AL

Tl* the contact owns a 2007 mercury mariner. After driving and parking the vehicle, the contact could not remove the key from the ignition. The contact had to turn the steering wheel and maneuver the key in order to get it to release. The contact stated that the failure recurred several times and was gradually getting worse. The vehicle was not taken to a dealer. The manufacturer was not made aware of the failure. The failure mileage was 10,500.

Filed Mar 6, 2015 · Seat belts · 100,000 miles · CA

Tl* the contact owns a 2007 mercury mariner. The contact stated that the front and rear driver side seat belts failed to latch. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The approximate failure mileage was 100,000.

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Other model years

2005200620072008200920102011

Questions about the 2007 Mercury Mariner

Is the 2007 Mercury Mariner reliable?

Owners have filed 33 complaints about the 2007 Mercury Mariner, fewer than a typical Mariner model year.

What is the 2007 Mercury Mariner year score?

The 2007 Mercury Mariner scores 88 out of 100 (good). The score compares it with the other model years of the Mercury Mariner: 75 is a typical year, 50 means twice the usual complaints, and serious complaints and recalls lower it.

What is the most common problem with the 2007 Mercury Mariner?

Transmission and drivetrain, with 11 complaints, typically around 84,735 miles. Next is engine (9).

How many recalls does the 2007 Mercury Mariner have?

2 recalls, covering power train and hybrid propulsion system.

Was there a recall on the 2007 Mercury Mariner transmission?

Yes, 1 recall: 15V606000. Check your VIN to see if your car still needs the free repair.

What year does the Mercury Mariner have bad transmission?

The Mercury Mariner model years with the most transmission complaints are 2008 (66 complaints), 2010 (60 complaints) and 2009 (44 complaints).

What gas mileage does the 2007 Mercury Mariner get?

Official estimates for the 2007 Mercury Mariner range from 19 to 27 mpg combined. The most efficient version (2.3L 4-cyl hybrid, 4WD) gets 28 city and 27 highway.

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