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#BS-2010-MERMAR-393E2010 Mercury Mariner
Based on reports from 393 owners and 3 recalls for this exact model.
Preliminary Verdict
Think Twice
Based on 393 complaints, 4 crashes, 4 fires, and 3 recalls.
Top reported problems
engine loses power
5 complaints • Severity 9.2/10
shaking at stop
1 complaints • Severity 10/10
transmission failure
1 complaints • Severity 10/10
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Mechanic Inspection Checklist
66 owners reported speed control issues — failures commonly reported around 59K miles.
Failure Timeline by Mileage
Peak failure range: 30–60K miles (141 reports) • Median: 59K miles
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Speed Control (66 reports).
Also in your report
Owner Intelligence
AI-synthesized themes from real complaints
Buyer Lot Checklist
Questions, test drive checks, walk-away triggers
Negotiation Talking Points
Data-backed dollar deductions
Buy / Skip Verdict
Final recommendation with conditions
Where the complaints fall
2010 Mercury Mariner: Known Issues & Problem Areas
Speed Control Issues
Speed Control complaints account for 17% of all reports filed for the 2010 Mercury Mariner, with 66 owners filing complaints with NHTSA. The median mileage at time of complaint is 58,849 miles, suggesting issues tend to surface around the 59K-mile mark.
Engine Issues
Engine complaints account for 16% of all reports filed for the 2010 Mercury Mariner, with 63 owners filing complaints with NHTSA. Owners should pay attention to engine-related symptoms during test drives and pre-purchase inspections.
Fuel System Issues
Fuel System complaints account for 16% of all reports filed for the 2010 Mercury Mariner, with 63 owners filing complaints with NHTSA. Owners should pay attention to fuel system-related symptoms during test drives and pre-purchase inspections.
Steering Issues
Steering complaints account for 15% of all reports filed for the 2010 Mercury Mariner, with 59 owners filing complaints with NHTSA. Owners should pay attention to steering-related symptoms during test drives and pre-purchase inspections.
Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.
Complaint trend by year
Complaints filed with NHTSA by year for the 2010 Mercury Mariner. Recent trend: increasing.
Don't negotiate blind — know what this car costs to own
Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (3 recalls)
STEERING:ELECTRIC POWER ASSIST SYSTEM
Ford Motor Company (Ford) is recalling certain model year 2008-2011 Ford Escape and Mercury Mariner vehicles manufactured August 18, 2006, through September 11, 2010. The affected vehicles have a steering torque sensor that may not be able to properly detect driver steering input. As a result, the system could remove the Electric Power Steering (EPS) assist.
SUSPENSION:FRONT:WHEEL BEARING
The Timken Company (Timken) is recalling certain aftermarket front wheel bearings, part number 510072, sold from January 22, 2015, to May 21, 2015, to be used as service parts on 2001-2012 Ford Escape, 2001-2011 Mazda Tribute, and 2005-2011 Mercury Mariner vehicles. The affected wheel bearings have incorrect dimensions of a 42mm bore, 76mm outer dimension, and 39mm width, instead of a 42mm bore, 78mm outer dimension and a 45mm width.
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Ford Motor Company (Ford) is recalling certain model year 2010-2012 Ford Escape vehicles manufactured February 26, 2009, to April 29, 2012, and 2010-2011 Mercury Mariner vehicles manufactured February 25, 2009, to December 12, 2010. On vehicles with a 3.0L engine, the Fuel Delivery Module (FDM) may crack, causing a fuel leak.
Recall severity analysis & seller scripts
The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.
The worst model year for the Mercury Mariner is the 2006 — worth knowing if you're cross-shopping years. The biggest problem area is transmission.
2010 Mercury Mariner vs. Class Average (Sport Utility Vehicle - 2WD)
This vehicle
393
Class avg
278
Complaint volume is roughly in line with other sport utility vehicle - 2wd vehicles from 2010.
Complaint counts correlate with sales volume — popular vehicles naturally generate more reports. The full report normalizes for this.
About this data
NHTSA Complaints
Federal database of owner-filed safety complaints. 393 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 3 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
Other Mercury Mariner Model Years
View all Mercury Mariner years →2010 Mercury Mariner: Frequently Asked Questions
What is the most common problem with the 2010 Mercury Mariner?
Is the 2010 Mercury Mariner reliable?
How much does it cost to fix 2010 Mercury Mariner problems?
Does the 2010 Mercury Mariner have any recalls?
What mileage do Mercury Mariner problems start?
What’s in the full report?
How is this different from free NHTSA data?
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Get the Full 2010 Mercury Mariner Report
10 sections of AI analysis based on 393 owner reports. Know before you buy.