Reliability AnalysisBased on known issue patterns, repair cost data, and ownership trends · How we score

2009 Lincoln Mks Reliability ReportCommon Problems, Repair Costs & Expert Verdict

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78/ 100

AutoScore

MODERATE RISK

Grade: B-

A comfortable, value-rich luxury sedan that requires a keen eye on specific mechanical and electrical components to avoid costly surprises.

Full system breakdown + what I would do

Quick Facts · 2009 Lincoln Mks

  • Has 1 NHTSA recall on record — the most notable involves the air bags:frontal.
  • The system most likely to surface first: power transfer unit (awd models) (major severity).
Quick Answers

The 2009 Lincoln Mks at a glance

Is the 2009 Lincoln Mks reliable?
Autojunket rates the 2009 Lincoln Mks 78/100 (grade B-), categorized as moderate risk. A comfortable, value-rich luxury sedan that requires a keen eye on specific mechanical and electrical components to avoid costly surprises.
Should I buy a used 2009 Lincoln Mks?
Autojunket recommends reading the full reliability report before buying a 2009 Lincoln Mks. The 2009 Lincoln MKS represents significant value as a used luxury sedan, offering impressive comfort and features. However, its specific vulnerabilities, particularly with the AWD PTU and early SYNC system, demand a cautious approach. It can be a great car for an owner willing to be proactive with maintenance and a…
Which Lincoln Mks years are the most reliable?
Best model years to buy: 2011-2016 (later models had the improved EcoBoost engine, refined SYNC, and generally fewer initial build issues). Years to avoid: 2009-2010 (earlier models had more pronounced SYNC issues and no EcoBoost option).
What are the most common problems with the 2009 Lincoln Mks?
The top failure points on the 2009 Lincoln Mks are Power Transfer Unit (AWD models) (typically around 80,000-120,000 miles), Electrical/Infotainment (SYNC) (typically around 30,000-90,000 miles), Transmission (6F50/6F55) (typically around 90,000-150,000 miles). Autojunket's full report includes repair-cost ranges and inspection checklists for each.
At what mileage do problems start on the 2009 Lincoln Mks?
The first major mileage danger zone for the 2009 Lincoln Mks is around 30,000. Low Risk Zone — This period typically involves initial software updates and potential minor electrical annoyances. Focus on verifying all SYNC features work correctly.

Every answer is generated from real repair, recall, and ownership data — full breakdown in the report.

Read the full free report

Should You Buy the 2009 Lincoln Mks?

The 2009 Lincoln MKS offers a compelling blend of luxury features and spaciousness at an attractive used price point. While generally a comfortable and capable cruiser, prospective owners must be diligent about specific maintenance items and be prepared for potential electrical and drivetrain quirks inherent to its Ford platform. It can be a smart buy for the informed owner, but neglect can lead to significant headaches and costs.

The 2009 Lincoln MKS represents significant value as a used luxury sedan, offering impressive comfort and features. However, its specific vulnerabilities, particularly with the AWD PTU and early SYNC system, demand a cautious approach. It can be a great car for an owner willing to be proactive with maintenance and a…

Best Model Years

2011-2016 (later models had the improved EcoBoost engine, refined SYNC, and generally fewer initial build issues)

Years to Avoid

2009-2010 (earlier models had more pronounced SYNC issues and no EcoBoost option)

Biggest Strengths

  • Smooth ride and comfortable interior
  • Robust 3.7L Duratec V6 engine
  • Good value for a luxury sedan on the used market

Top Risk Areas

The systems that tend to fail first on the 2009 Lincoln Mks, with the typical mileage window when each becomes a concern. Detailed repair-cost ranges and exact what-to-check inspection notes are in the full report.

1
Power Transfer Unit (AWD models)major~80,000-120,000 mi

The AWD system's PTU is known to fail due to neglected fluid changes, leading to bearing wear and eventual catastrophic failure. Often mistaken for transmission issues, the PTU fluid is typically 'lifetime' per Ford, but regular changes…

2
Electrical/Infotainment (SYNC)moderate~30,000-90,000 mi

Early SYNC systems are prone to freezing, lagging, and complete failure. This can affect navigation, Bluetooth, and audio functionality. Other electrical issues include door lock actuators and various sensor failures.

3
Transmission (6F50/6F55)major~90,000-150,000 mi

While generally robust, some units experience harsh shifting or solenoid failures, especially if transmission fluid changes are ignored. Neglected PTU issues can also put stress on the transmission.

Full repair-cost ranges, fix-before-you-buy notes, and inspection checklists are in the report.

2009 Lincoln Mks Mileage Danger Zones

The mileage windows when the 2009 Lincoln Mks most commonly needs attention. Plan ahead, budget accordingly, and inspect before you cross each threshold.

30,000

Low Risk Zone

This period typically involves initial software updates and potential minor electrical annoyances. Focus on verifying all SYNC features work correctly.

60,000

Maintenance Zone

Standard wear items like brakes, tires, and spark plugs often come due. This is a critical mileage to consider a transmission fluid change, especially if not done before, and a PTU fluid check/change for AWD models.

90,000

Elevated Risk Zone

Several major components can start showing signs of wear or failure. The PTU is a primary concern for AWD vehicles, and water pump leaks can become apparent. Proactive fluid maintenance is paramount here.

120,000+

High Risk Zone

Beyond this point, major system overhauls are increasingly likely. Budget for comprehensive suspension work, potential transmission rebuilds, and continued vigilance on engine and AWD components. This is where neglect truly catches up.

2009 Lincoln Mks Ownership Cost Outlook

What it typically costs to keep the 2009 Lincoln Mks on the road. Full 5-year cost-of-ownership projection and major-failure-risk forecast are in the report.

Annual Maintenance

$500-800

Moderate Repairs

$800-2,000 occasionally

How Long Does the 2009 Lincoln Mks Last?

Ideally, look for models under 80,000 miles with a verifiable service history. If considering a higher-mileage example (90,000+), budget for immediate major fluid services and potential suspension or drivetrain repairs.

What 2009 Lincoln Mks Owners Actually Say

What Owners Love

  • Very comfortable and quiet ride quality, ideal for long trips.
  • Spacious interior with ample legroom for all passengers.
  • Powerful 3.7L V6 engine provides confident acceleration.
  • High level of luxury features for the price on the used market.

Common Frustrations

  • Frustrating and glitchy SYNC infotainment system.
  • Fuel economy is not impressive for its class.
  • Some interior materials, while nice, can show premature wear.
  • Soft suspension can lead to noticeable body roll in corners.

Who Should Buy the 2009 Lincoln Mks?

Best For

  • Value-conscious luxury car buyers who appreciate comfort over sportiness.
  • Individuals needing a spacious and quiet highway cruiser.
  • Owners comfortable with researching and addressing common Ford/Lincoln issues.

Not Ideal For

  • Drivers seeking ultimate long-term reliability with minimal maintenance.
  • Technophobes who prefer simple, intuitive infotainment systems.

How the 2009 Lincoln Mks Compares to Rivals

The MKS often offers a better feature-for-dollar value compared to its luxury competitors, particularly European models. However, its reliability profile falls squarely in the middle, offering more comfort and luxury than many Japanese sedans but with slightly higher maintenan…

More Reliable Than

  • Cadillac DTS (older platform, more traditional issues)
  • Mercedes-Benz E-Class (significantly higher repair costs for similar issues)

Comparable To

  • Chrysler 300 (offers similar domestic luxury with its own set of potential issues)
  • Buick LaCrosse (similar comfort-oriented ride and Ford-era tech)

NHTSA Recalls

1 recall on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.

AIR BAGS:FRONTAL

Ford Motor Company (Ford) is recalling certain model year 2009-2012 Ford Flex, 2008 and 2010-2012 Ford Taurus, 2008-2009 Ford Taurus X, 2008 Mercury Sable, 2009 and 2011 Lincoln MKS vehicles. The driver frontal air bag may improperly inflate during second-stage deployment in the event of a high speed crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection."

What breaks on the 2009 Lincoln Mks?

Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.

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2009 Lincoln Mks

7-system breakdown, mileage danger zones, repair cost projections, buyer checklist, and expert verdict.

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