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#BS-2009-MERMAR-393E

2009 Mercury Mariner

Based on reports from 418 owners and 2 recalls for this exact model.

Complaints
418
Crashes
11
Fires
0
Recalls
2
TSBs
31
🟡

Preliminary Verdict

Think Twice

Based on 418 complaints, 11 crashes, 0 fires, and 2 recalls. Complaint rate is 1.9x the class average.

See full verdict with buy/skip conditions

Top reported problems

1

steering fails unexpectedly

6 complaints • Severity 9.7/10

$X,XXX
2

electronic power steering module failure

4 complaints • Severity 9.5/10

$X,XXX
3

check engine light on

1 complaints • Severity 10/10

$X,XXX

Preview: What's in your full report

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Mechanic Inspection Checklist

!Check the SteeringHIGH

163 owners reported steering issues — failures commonly reported around 93K miles.

!Inspect the EngineMED
Look for symptoms of wear and premature failure
+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

29
0–30K
57
30–60K
66
60–90K
98
90–120K
44
120–150K
41
150K+

Peak failure range: 90–120K miles (98 reports) • Median: 93K miles

Full report: which components fail at each mileageUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Steering (163 reports).

Includes fuel costs, common repairs, and recall riskUnlock

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

10 sections total in the full reportUnlock all

Where the complaints fall

Steering163 (39%)
Engine60 (14%)
Speed Control41 (10%)
Drivetrain41 (10%)
Fuel System29 (7%)
Electrical21 (5%)
Other16 (4%)
Brakes14 (3%)

2009 Mercury Mariner: Known Issues & Problem Areas

Steering Issues

Steering complaints account for 39% of all reports filed for the 2009 Mercury Mariner, with 163 owners filing complaints with NHTSA. The median mileage at time of complaint is 92,912 miles, suggesting issues tend to surface around the 93K-mile mark.

Engine Issues

Engine complaints account for 14% of all reports filed for the 2009 Mercury Mariner, with 60 owners filing complaints with NHTSA. Owners should pay attention to engine-related symptoms during test drives and pre-purchase inspections.

Speed Control Issues

Speed Control complaints account for 10% of all reports filed for the 2009 Mercury Mariner, with 41 owners filing complaints with NHTSA. Owners should pay attention to speed control-related symptoms during test drives and pre-purchase inspections.

Drivetrain Issues

Drivetrain complaints account for 10% of all reports filed for the 2009 Mercury Mariner, with 41 owners filing complaints with NHTSA. Owners should pay attention to drivetrain-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

3
09
5
10
8
11
8
12
107
13
36
14
22
15
40
16
31
17
32
18
22
19
25
20
19
21
20
22
16
23
16
24
7
25
1
26

Complaints filed with NHTSA by year for the 2009 Mercury Mariner. Recent trend: decreasing.

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Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (2 recalls)

14V284000Jul 2014

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.

15E045000May 2015

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.

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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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.

2009 Mercury Mariner vs. Class Average (Sport Utility Vehicle - 2WD)

This vehicle

418

Class avg

220

1.9x the class average — significantly more complaints than typical sport utility vehicle - 2wd vehicles.

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. 418 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 2 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Other Mercury Mariner Model Years

20112010200920082007200620052004200320022001
View all Mercury Mariner years →

2009 Mercury Mariner: Frequently Asked Questions

What is the most common problem with the 2009 Mercury Mariner?
The most commonly reported issue with the 2009 Mercury Mariner is related to the steering, with 163 complaints filed with NHTSA.
Is the 2009 Mercury Mariner reliable?
The 2009 Mercury Mariner has 418 complaints, 11 crash reports, and 0 fire reports filed with NHTSA. This is 1.9x the class average — higher than typical for its segment.
How much does it cost to fix 2009 Mercury Mariner problems?
Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.
Does the 2009 Mercury Mariner have any recalls?
Yes, the 2009 Mercury Mariner has 2 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Mercury Mariner problems start?
Based on 335 complaints with mileage data, the median mileage at time of complaint is 92,912 miles. The highest concentration of reported issues occurs in the 90–120K mile range. The full report breaks down exactly which components fail at each mileage bracket.
What’s in the full report?
10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.
How is this different from free NHTSA data?
NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.
How is this different from Carfax?
Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.
What if the report isn’t useful?
100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.
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10 sections of AI analysis based on 418 owner reports. Know before you buy.

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