Is the 2009 Mercedes-Benz G-Class reliable?

The 2009 Mercedes-Benz G-Class scores 68/100 (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 G-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 G-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 G-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 G-Class Reliability ReportCommon Problems, Repair Costs & Expert Verdict

68/ 100

KeepScore

MODERATE RISK

Grade: C+

A legendary SUV, but its premium ownership experience extends to its maintenance demands.

Full system breakdown + what I would do

Quick Facts · 2009 Mercedes-Benz G-Class

No active NHTSA safety recalls on record — a clean recall slate for the 2009 model year.
Scores 4 points below the strongest nearby year — the 2007 Mercedes-Benz G-Class earns a 72.
The system most likely to surface first: electrical & electronics (moderate severity).

Should You Buy the 2009 Mercedes-Benz G-Class?

The 2009 Mercedes-Benz G-Class is an icon of luxury and ruggedness, but it demands a significant financial commitment to maintain its legendary status. While its core mechanicals are robust, complex electronics and the sheer cost of parts and labor mean it's a vehicle for those prepared to invest heavily. Expect a premium ownership experience, with premium costs for upkeep, making it a cautious recommendation for the uninitiated.

Biggest Strengths

Extremely robust body-on-frame construction
Durable M113K/M273 V8 engines (if maintained)
Exceptional off-road capability and luxury presence

Top Risk Areas

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

Electrical & Electronicsmoderate

Suspension & Steering Componentsmajor

Rust & Corrosioncritical

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

NHTSA Recalls

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

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

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

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Mercedes-Benz G-Class by Year

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

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

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Frequently Asked Questions

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