Pre-purchase inspection checklist — 2009 Mercury Mariner
The 2009 Mercury Mariner has moderate complaint levels, primarily focusing on steering issues, followed by engine and power train concerns. A recall exists for the steering system, highlighting potential for steering assist failure. Other areas show limited data; thus, a thorough inspection is advised.
NHTSA data on file today
The 2009 Mercury Mariner has 2 NHTSA recall campaigns and 315 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
Recall campaigns on file
- NHTSA #15E045000 Front Wheel Bearing has Wrong Dimensions NHTSA notice
- NHTSA #14V284000 Loss of Electric Power Steering Assist NHTSA notice
Most-cited components in owner complaints
- Steering 167 complaints
- Engine 53 complaints
- Power Train 44 complaints
- Vehicle Speed Control 41 complaints
- Electrical System 22 complaints
- Fuel System, Gasoline 15 complaints
Of the 315 complaints on file, 9 report a crash; across all 315 complaints, owners report 3 injuries (owner-reported, not verified by NHTSA).
Known issues to inspect
Electric Power Steering failure
How to check: Check for warning lights or heavy steering feel
General engine complaints
How to check: Look for unusual noises or vibrations
Powertrain issues
How to check: Test for smooth shifting
Test-drive walkthrough
- 01
Cold start
What to check: Listen for unusual engine noises
Red flag: Loud knocking or ticking
- 02
First minute idling
What to check: Observe for dashboard warning lights
Red flag: Check engine or EPS light on
- 03
Low speed turns
What to check: Feel for power steering assistance
Red flag: Heavy or inconsistent steering feel
- 04
Straight line driving
What to check: Test for any veering or pulling
Red flag: Car pulls to one side
- 05
Highway acceleration
What to check: Monitor for hesitation or sputtering
Red flag: Loss of power during acceleration
- 06
Braking at speed
What to check: Check for smooth, controlled stops
Red flag: Vibrations or pulling while braking
Questions for the seller
Use this exact phrasing.
- Has the steering system recall been addressed?
- Any recent transmission repairs?
- Has the engine shown any issues?
- What is the service history?
- Have there been any accidents?
Documents to request
Don't sign anything until you have these.
- Recall repair records
- Service history
- Title and ownership proof
- Accident history
- Warranty information, if applicable
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2009 Mercury Mariner at the time. AI output can be wrong; confirm anything you find with a mechanic.
Next step
Looking at a specific 2009 Mercury Mariner? Check the actual car
This checklist covers the model. From your free try.vin dashboard you can go further — paste the seller's listing for a deal score, or drop their photos for an AI condition report.