Is the 2006 Mercedes-Benz S-Class reliable?

The 2006 Mercedes-Benz S-Class scores 52/100 (D) on OwnerKeep's reliability index, which places it in the high risk category. See the full report for the specific strengths and failure points.

What are the common problems with the 2006 Mercedes-Benz S-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 2006 Mercedes-Benz S-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 2006 Mercedes-Benz S-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

2006 Mercedes-Benz S-Class Reliability ReportCommon Problems, Repair Costs & Expert Verdict

52/ 100

KeepScore

HIGH RISK

Grade: D

A sublime luxury cruiser that can rapidly become a deep financial pit without a hefty, consistent maintenance budget.

Full system breakdown + what I would do

Quick Facts · 2006 Mercedes-Benz S-Class

No active NHTSA safety recalls on record — a clean recall slate for the 2006 model year.
Scores 6 points below the strongest nearby year — the 2008 Mercedes-Benz S-Class earns a 58.
The system most likely to surface first: airmatic/abc suspension system (critical severity).

Should You Buy the 2006 Mercedes-Benz S-Class?

While offering an unparalleled luxury experience, the 2006 Mercedes-Benz S-Class demands a significant commitment to maintenance and repair, presenting a high financial risk for the unprepared owner. Its advanced systems, particularly the complex suspension and intricate electronics, are notorious for expensive failures that can quickly dwarf the initial purchase price, making it a challenging ownership proposition.

Biggest Strengths

Exceptional ride comfort and cabin isolation
Powerful, refined engine options (especially V8/V12)
Luxurious, high-quality interior materials

Top Risk Areas

The systems that break first on the 2006 Mercedes-Benz S-Class. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.

Airmatic/ABC Suspension Systemcritical

Electrical Systemmajor

Transmission (7G-Tronic)major

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 2006 Mercedes-Benz S-Class. Always verify with your VIN atnhtsa.gov.

What breaks on the 2006 Mercedes-Benz S-Class?

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

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Mercedes-Benz S-Class by Year

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

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

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Frequently Asked Questions

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