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2010 Mercury MarinerProblems, recalls & complaints

NHTSA has logged 270 owner complaints about the 2010 Mercury Mariner, most often about the vehicle speed control. It is covered by 2 safety recalls, and for recall 16V-777 the manufacturer reports only 52% of affected cars repaired.

2010 Mercury Mariner
25
CarFlaw IndexYear to avoid3.0× the Mariner median · #3 of 7 years by complaints
Safety recalls2Lowest repair rate 52%Owner complaints2707 with a crash, fire or injuryTypical failure mileage50kVehicle speed control, median miles

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through August 11, 2026. Updated daily. Photo: SsmIntrigue, CC BY-SA 4.0.

Complaints by system

Where the 2010 Mercury Mariner has problems

270 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Vehicle speed control661
Steering613
Engine612
Power train601
Fuel/propulsion system570
Electrical system292
Structure70
Fuel system, gasoline70
Visibility60
9 other systems272

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

2 recalls

2010 Mercury Mariner recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

52%repaired · 2019 Q1

Delivery: fuel pump

Recall 16V-777 · Oct 26, 2016 · 329,265 vehicles · 170,211 repaired

Risk. A fuel leak in the presence of an ignition source increases the risk of a fire.

Problem, fix and repair progress →

72%repaired · 2015 Q4

Steering: electric power assist system

Recall 14V-284 · May 29, 2014 · 740,878 vehicles · 534,179 repaired

Risk. If power steering assist is lost, greater driver effort would be required to steer the vehicle at low speeds, increasing the risk of a crash.

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercury.

Mileage at failure

When do vehicle speed control problems start?

50kmiles, median

Based on the odometer reading in 62 vehicle speed control complaints. 95% were reported before 100,000 miles.

median0k50k100k150k200k+
4under 30k miles59under 100k miles3100k miles or more
Best & worst years

2010 vs. every other Mariner year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Mariner median. How we score

'01'02'03'04'05'06'07'08'09'10'11
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
NHTSA crash tests

2010 Mercury Mariner safety ratings

2010 Mercury Mariner 4-DR. w/SAB in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.

  • Rollover: 3 stars (20.4% risk)
  • Stability control: Standard
  • Forward collision warning: No
  • Lane departure warning: No
3 investigations

NHTSA defect investigations

Federal investigations that included the 2010 Mercury Mariner, and the recalls they led to.

  1. Loss of power steering while drivingDP15001 · closed Jun 14, 2018
    No recall
  2. Rear Liftgate Window Glass BreakagePE11016 · closed Aug 18, 2011
    No recall
  3. Electronic Throttle Body MalfunctionPE13003 · closed Feb 28, 2014
    No recall
In owners' words

What Mariner owners report

Recent vehicle speed control complaints filed with NHTSA, shortened. Personal details are removed.

WHEN INTERING TO TUNNEL MY CAR SUDDENLY SPEED UP IT FELT LIKE I HAD THE GAS PEDLE DOWN TO THE FLOOR. EVEN WHILE HOLDING THE BRAKE ALL THE WAY DOWN, THIS DID NOT SLOW THE CAR DOWN MUCH. THERE WERE NO WARNING LIGHTS OR CHECK ENGINE LIGHTS ON THEN OR NOW
Complaint 10917605 · Oct 20, 2016 · 58,000 miles
ELECTRONIC THROTTLE BODY P2119 CODE. ALL OF THE SUDDEN LOSSES POWER GOING INTO OR OUT OF TRAFFIC AND THE WRENCH TOOL LIGHT "LIGHTS UP" IT MAY GO AWAY BY ITSELF OR NOT, "CUT BE SCARY" AT TIMES IT HAS SHUT DOWN IN SEVERAL INSTANCES ON MY OWN ST OR DOWN THE AVE OR ANOTHER TOWN ETC... FOR NO APPARENT…
Complaint 10901990 · Aug 27, 2016 · 127,005 miles
VEHICLE SURGES WILDLY AT IDLE SPEEDS IN TRAFFIC. VEHICLE STALLS OUT WHILE DRIVING REGULAR HIGHWAY SPEED, SURGES WILDLY WHILE DRIVING, RPM SPIKES DRASTICALLY WHILE DRIVING AND AT IDLE. STALLS AND SURGES BOTH WHILE ENTERING TRAFFIC FROM A STOPPED POSITION AND WHILE DRIVING AT REGULAR PACE. STRUGGLES…
Complaint 10730299 · Jun 25, 2015 · 78,000 miles

Own a 2010 Mariner?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.