2005 Mercury Mariner: Reliability Data

Source: NHTSA — 100 complaints
100
Total Complaints
58,568mi
Median Mileage
ELECTRICAL SYSTEM
Top Issue
10
Crash Reports

When Do Complaints Happen?

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

25,250 25th Percentile
58,568 Median Mileage
93,750 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRICAL SYSTEM
9
VEHICLE SPEED CONTROL
8
ENGINE
8
POWER TRAIN:AUTOMATIC TRANSMISSION
7
ENGINE AND ENGINE COOLING
5
TIRES
4
AIR BAGS
4
POWER TRAIN
4
FUEL SYSTEM, GASOLINE
3
FUEL/PROPULSION SYSTEM
3

Severity Assessment

10
Crashes
0
Fires
23
Injuries
0
Deaths

Sample Complaint Reports

"DT: 2005 MERCURY MARINER. CONSUMER'S VEHICLE WAS INVOLVED IN AN ACCIDENT ON AUGUST 5, 2005. THE VEHICLE WAS DRIVEN OFF THE ROAD AND WENT INTO A DITCH. THEN, THE VEHICLE WENT AIRBORNE AND LANDED IN ANOTHER DITCH. THE CONSUMER DID NOT REMEMBER WHAT EXACTLY HAPPENED, BUT THE POLICE DEPARTMENT V..."
"DT: 2005 MERCURY MARINER. CONSUMER'S VEHICLE WAS INVOLVED IN AN ACCIDENT ON AUGUST 5, 2005. THE VEHICLE WAS DRIVEN OFF THE ROAD AND WENT INTO A DITCH. THEN, THE VEHICLE WENT AIRBORNE AND LANDED IN ANOTHER DITCH. THE CONSUMER DID NOT REMEMBER WHAT EXACTLY HAPPENED, BUT THE POLICE DEPARTMENT V..."
"DT: THE CONTACT STATED WHILE DRIVING ON AN INCLINE THE 4-WHEEL DRIVE ENGAGED AND DISENGAGED WHICH CAUSED THE VEHICLE TO JOLT. THE DEALERSHIP WAS UNABLE TO DIAGNOSE THE PROBLEM, BECAUSE THEY WOULD NOT TAKE IT TO AN INCLINE WHEN TEST DRIVING. AN ENGINEER WITH THE MANUFACTURER TOLD THE CONTACT THAT ..."

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

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