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Mercury MarinerModel year report

2007 Mercury Mariner Problems

Complaints
33filed with NHTSA
Median mileage
77,500miles, 30 complaints with mileage
Recalls
2campaigns on record
Trend
FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
NHTSA crash rating
—overall rating starts with 2011 models
EPA fuel economy
21 mpgcombined, 2.3L 4-cyl FWD · 20 city / 24 hwy

Sources: NHTSA records for the 2007 Mercury Mariner (complaints, recalls, investigations), NHTSA crash tests, EPA fuel economy. Report an error

NHTSA recorded 33 consumer complaints for the 2007 Mercury Mariner. The part named most often is transmission and drivetrain, with 11 complaints (33% of the total), followed by electrical system (7) and engine (7). 30 of the complaints include a mileage, and 30% of those were filed for vehicles with under 50,000 miles; the median is 77,500 miles. Of all complaints, 1 involved a crash, 1 an injury, according to the filers. NHTSA lists 2 recall campaigns and 15 technical service bulletins for this model year. Transmission and drivetrain complaints overlap with 1 recall campaign covering the floor shift and 3 technical service bulletins filed under the same part. Electrical system complaints overlap with 1 technical service bulletin filed under the same part.

Not compared (before 2008). Model years 2008–2023 of the same vehicle that have at least 25 complaints are compared, and a model needs at least 3 of them.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Also reported: Steering (1), Tires (1).

Example complaints

Transmission and drivetrain: “My 18 year old son was driving my 2007 Mercury Mariner, when it started making loud noises and shaking like crazy, he was barely able to keep the vehicle running to get home. When my husband looked at vehicle and saw what it was doing, he thinks the transmission has gone out on it. We had driven the vehicle to church sunday morning (same day) and there was no signs or symptoms of any kind of problem. …”

NHTSA complaint #10579500, filed 2014-04, 87,765 miles

Electrical system: “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.”

NHTSA complaint #10971929, filed 2017-04, 116,245 miles

Engine: “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 ... …”

NHTSA complaint #10949952, filed 2017-02, 100,006 miles

Vehicle speed control: “I have a 2007 Mercury Mariner I purchased in april 2007. The vehicle has been in the shop 4 times now. 3 of the 4 times because something has gone out on the vehicle I.e. The gas pedal, the wheel bearings, the tension pulley. I also found out from the dealership that that manufacturer never put the bolts on the top of my engine to cover the spark plugs. I continue to have a problem. These last three incidents have been within the last month and a half my vehicle has been in the shop getting new parts. I have always bought used. …”

NHTSA complaint #10217991, filed 2008-02, 17,000 miles

Mileage when problems were reported

30% of the 30 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 47,000 and 100,757 miles.

3%0–1013%10–2513%25–5017%50–7517%75–10023%100–15013%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (30 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 77,500 miles.

Complaints by year filed

Trend: falling. Complaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.

’06’09’11’136’15’17’20’25
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Crash test ratings

NHTSA's 5-Star Safety Ratings for the 2007 Mercury Mariner. Frontal results are shown driver / passenger; rollover shows the star rating and NHTSA's estimated risk of rolling over in a single-vehicle crash.

VersionOverallFrontalSideSide poleRollover
Mariner · sedan FWD/AWDnot rated4 / 4——3 · 20.9% risk

Ratings before the 2011 model year come from an older, less demanding test and are not comparable with ratings for 2011 and later.

Source: NHTSA New Car Assessment Program (5-Star Safety Ratings), nhtsa.gov/ratings.

Fuel economy and running cost

EPA ratings for each 2007 Mercury Mariner version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).

VersionEngineTransmissionCityHwyComb.Fuel / yr
Mariner 4WD2.3L 4-cyl4-speed automatic182320$3,350
Mariner 4WD3.0L 6-cyl4-speed automatic172119$3,550
Mariner FWD2.3L 4-cyl4-speed automatic202421$3,200
Mariner FWD3.0L 6-cyl4-speed automatic182320$3,350

Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.

Recalls and investigations

Recall details for the 2007 Mercury Mariner → · Check a VIN at nhtsa.gov/recalls

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 15 on record; the latest 10 are shown.

See all 15 bulletins →

Other model years of the Mercury Mariner

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
20118752,440232351 · TypicalFalling
201027061,1002—2349 · TypicalFalling
200931597,0001—2348 · TypicalFalling
2008461106,0003—2272 · MoreFalling
20073377,5002—21Not compared (before 2008)Falling
20066382,0003—21Not compared (before 2008)Falling
20056760,0682—21Not compared (before 2008)Falling

All Mercury Mariner model years · Best and worst years by complaints

Frequently asked questions

How many NHTSA complaints does the 2007 Mercury Mariner have?

NHTSA recorded 33 consumer complaints for the 2007 Mercury Mariner as of Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2007 Mercury Mariner is reported most often?

Transmission and drivetrain is named most often, in 11 complaints (33% of the total), followed by electrical system with 7.

Has the 2007 Mercury Mariner been recalled?

NHTSA lists 2 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

What gas mileage does the 2007 Mercury Mariner get?

The EPA rates the 2007 Mercury Mariner (Mariner FWD, 2.3L 4-cyl) at 21 mpg combined, 20 city and 24 highway, with an estimated annual fuel cost of $3,200 at 15,000 miles a year. Other engine and drive versions are rated differently.

At what mileage are problems with the 2007 Mercury Mariner reported?

Among the 30 complaints that include a mileage, the median is 77,500 miles and the middle half falls between 47,000 and 100,757 miles; 30% were filed for vehicles with under 50,000 miles.

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. Crash ratings are from NHTSA’s New Car Assessment Program. Fuel economy is from the EPA and DOE (fueleconomy.gov).

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.