Is the 2009 Mercedes-Benz Ml-Class reliable?

The 2009 Mercedes-Benz Ml-Class scores 62/100 (C-) on OwnerKeep's reliability index, which places it in the moderate risk category. See the full report for the specific strengths and failure points.

What are the common problems with the 2009 Mercedes-Benz Ml-Class?

See the Common Issues section above for the top failure areas reported by real owners, with typical mileage ranges where problems start showing up.

How much does it cost to maintain a 2009 Mercedes-Benz Ml-Class?

Expected maintenance costs depend heavily on age, mileage and how well the vehicle was kept up. Run the full report for a year-by-year cost outlook.

What should I check before buying a 2009 Mercedes-Benz Ml-Class?

Focus on the top risk areas flagged in this report, review service history, and verify the vehicle is not inside one of the mileage danger zones listed above.

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

2009 Mercedes-Benz Ml-Class Reliability ReportKeepScore 62/100 · top failure points · buy or avoid

62/ 100

KeepScore

MODERATE RISK

Grade: C-

A luxurious and capable SUV that demands a premium for its continued operation, requiring a substantial repair budget.

Full system breakdown + what I would do

Quick Facts · 2009 Mercedes-Benz Ml-Class

Scores 16 points below the strongest nearby year — the 2010 Mercedes-Benz Ml-Class earns a 78.
The system most likely to surface first: engine timing components (m272/m273) (critical severity).
No active NHTSA safety recalls on record — a clean recall slate for the 2009 model year.

2009 Mercedes-Benz Ml-Class: Buy or Avoid?

The 2009 Mercedes-Benz ML-Class offers compelling luxury and capability for its price, but it's a vehicle that demands respect from your wallet. Be prepared for potentially significant repair costs, particularly concerning engine and suspension components, making a thorough pre-purchase inspection absolutely critical to avoid financial distress.

Biggest Strengths

Robust build quality and safety features
Comfortable and luxurious ride experience
Potent engine options and strong AWD capability

2009 Mercedes-Benz Ml-Class — Known Trouble Spots

The systems that break first on the 2009 Mercedes-Benz Ml-Class. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.

Engine Timing Components (M272/M273)critical

Airmatic Suspension Systemmajor

Transmission Conductor Plate/Valve Bodymajor

Typical mileage, cost ranges, and the exact what-to-check list are in the full report.

Safety Recalls on the 2009 Mercedes-Benz Ml-Class

No active NHTSA safety recalls on file for the 2009 Mercedes-Benz Ml-Class. Always verify with your VIN atnhtsa.gov.

What breaks on the 2009 Mercedes-Benz Ml-Class?

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

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Mercedes-Benz Ml-Class — Year-by-Year Comparison

Compare KeepScores across nearby years of the Mercedes-Benz Ml-Class. Click any year for its full report.

All Mercedes-Benz Ml-Class years ranked →Mercedes-Benz Ml-Class years to avoid →Mercedes-Benz Ml-Class common problems →

Competing 2009s Worth a Look

Similar class, similar year range — ranked by KeepScore.

2007 ToyotaLand Cruiser

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Relevant Products for Your 2009 Mercedes-Benz Ml-Class

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Frequently Asked Questions

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