2010 Mercury Mariner: Reliability Data

Source: NHTSA — 392 complaints
392
Total Complaints
58,849mi
Median Mileage
Vehicle Speed Control
Top Issue
4
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

41,000 25th Percentile
58,849 Median Mileage
89,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Vehicle Speed Control
66
Engine
61
Steering
58
Power Train
57
Fuel/Propulsion System
57
Electrical System
28
Unknown Or Other
11
Body
7
Electronic Stability Control (Esc)
6
Fuel System, Gasoline
6

Severity Assessment

4
Crashes
4
Fires
12
Injuries
0
Deaths

Sample Complaint Reports

"TL*THE CONTACT OWNS A 2010 MERCURY MARINER. THE CONTACT STATED THAT REAR WINDOW ON THE LIFT GATE HAD SUDDENLY EXPLODED . A GLASS COMPANY REPLACED THE WINDOW ON 03/07/2010, ONE WEEK LATER AFTER CLOSING THE REAR LIFT GATE THE REAR WINDOW EXPLODED AGAIN. SHE TOOK THE VEHICLE TO THE DEALERSHIP AND WAS ..."
"TL* THE CONTACT OWNS A 2010 MERCURY MARINER. THE CONTACT STATED WHEN THE PASSENGER SEAT WAS OCCUPIED WITH A PERSON WEIGHING BETWEEN 120 AND 135 POUNDS, THE AIR BAG SENSOR WOULD NOT DETECT THE PASSENGER AND WOULD NOT ENGAGE. THE DEALER ADVISED THAT THEY WERE AWARE OF THE FAILURE BUT COULD NOT PROVID..."
"VIN IN THIS FORM WOULD NOT LET ME ADD THE 17TH DIGIT. THE 17TH DIGIT IS A 6. I SHUT REAR DOOR OF MERCURY MARINER AND REAR WINDOW SHATTERED-EXPLODED INTO LITTLE PIECES NO LARGER AND 1 INCH. TEMPERATURE 40 DEGREES. CLOUDY. NO ONE WAS INJURED. SHATTERED PIECES FELL ONTO A PARKING LOT."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

Vehicle Speed Control 66 complaints
25th: 41,250 mi Median: 50,000 mi 75th: 70,250 mi
Engine 61 complaints
25th: 41,089 mi Median: 52,000 mi 75th: 74,000 mi
Steering 58 complaints
25th: 89,125 mi Median: 112,718 mi 75th: 135,750 mi
Power Train 57 complaints
25th: 41,000 mi Median: 52,000 mi 75th: 74,000 mi
Fuel/Propulsion System 57 complaints
25th: 38,599 mi Median: 48,654 mi 75th: 83,500 mi

Where Are Complaints Coming From?

Top states by complaint count.

FL: 38 MI: 38 TX: 36 OH: 34 IL: 17 NY: 16 NC: 16 PA: 14 NJ: 14 VA: 12

Who Files Complaints?

0.5%
Original Owners
99.5%
Second+ Owners

Mercury Mariner — Other Years

See how this model compares across different model years.

YearComplaintsCrashes
200510010
2006918
2007401
200855311
200942011
20111193

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28