Is the 2006 Mercedes-Benz Sl-Class reliable?

The 2006 Mercedes-Benz Sl-Class scores 45/100 (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 Sl-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 Sl-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 Sl-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 Sl-Class Reliability ReportKeepScore 45/100 · top failure points · buy or avoid

45/ 100

KeepScore

HIGH RISK

Grade: D+

A luxury roadster offering exhilarating performance, but its high-tech complexity guarantees continuous and expensive specialist attention.

Full system breakdown + what I would do

Quick Facts · 2006 Mercedes-Benz Sl-Class

Scores 20 points below the strongest nearby year — the 2005 Mercedes-Benz Sl-Class earns a 65.
The system most likely to surface first: active body control (abc) suspension (critical severity).
No active NHTSA safety recalls on record — a clean recall slate for the 2006 model year.

2006 Mercedes-Benz Sl-Class: Buy or Avoid?

The 2006 Mercedes-Benz SL-Class is a breathtaking luxury roadster, but it’s an engineering marvel that ages poorly and demands an astronomical commitment in maintenance and repair. If you are not prepared for five-figure repair bills, walk away now; this vehicle is a financial black hole for the unprepared, making it a high-risk proposition for anyone but the most dedicated and well-funded enthusiast.

Biggest Strengths

Robust mechanical engine components (M113 V8, M113K AMG V8)
Exceptional build quality and luxurious materials for its era
High performance and comfort when everything is functioning correctly

2006 Mercedes-Benz Sl-Class — Known Trouble Spots

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

Active Body Control (ABC) Suspensioncritical

Retractable Hardtop Mechanismmajor

Electrical and Electronic Systemsmoderate

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

Safety Recalls on the 2006 Mercedes-Benz Sl-Class

No active NHTSA safety recalls on file for the 2006 Mercedes-Benz Sl-Class. Always verify with your VIN atnhtsa.gov.

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

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

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

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

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

Competing 2006s Worth a Look

Similar class, similar year range — ranked by KeepScore.

2005 ToyotaLand Cruiser

92/100

2004 ChevroletCorvette

Relevant Products for Your 2006 Mercedes-Benz Sl-Class

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Frequently Asked Questions

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