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Model Hub2 model years analyzed

Mercedes-Benz Sl ReliabilityAll Years Ranked (1999–2015)

Side-by-side AutoScores, risk levels, and owner-cost projections for every Mercedes-Benz Sl we've analyzed. Identify the best years to buy, the ones to avoid, and the problems that follow the Sl across generations.

Average AutoScore

70/100

Best Year

2015 Mercedes-Benz Sl

Score 78

Weakest Year

1999 Mercedes-Benz Sl

Score 62

Every Mercedes-Benz Sl Ranked

Sorted by AutoScore. Each link opens the full year-specific report.

78
2015 Mercedes-Benz SlMODERATEGrade C+

A luxurious, high-performance roadster with solid foundations, but its advanced, complex systems carry a significant risk of expensive failures.

Top risks: Active Body Control (ABC) Suspension · Electrical/Electronics · Transmission (7G-Tronic Plus)

62
1999 Mercedes-Benz SlHIGH RISKGrade C-

A beautiful, well-built classic that will demand a substantial and consistent investment to maintain its elegance.

Top risks: Convertible Top Hydraulics · Transmission Conductor Plate · Aging Electrical Components

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2015 Mercedes-Benz Sl Owner's Guidebook — printed edition

Printed Owner's Guidebook

The 2015 Mercedes-Benz Sl Owner's Guidebook

  • Autojunket Reliability Report — AutoScore, risk areas, mileage danger zones
  • Maintenance schedule, fluids & capacities, common problems, recalls
  • Fillable service log & fuel log — keep it in the glovebox
  • 6×9 paperback, 40+ pages · free US shipping
One click · ships in 5–7 business days

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Score, risk level, top risk areas, repair costs, mileage danger zones, and "what I would do" guidance — all in under 60 seconds.

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2015 Mercedes-Benz Sl Owner's Guidebook — printed edition

Printed Owner's Guidebook

The 2015 Mercedes-Benz Sl Owner's Guidebook

Reliability report · service & fuel logs · 13 chapters · free US shipping

One click · ships in 5–7 business days

Weakest Sl Years

1999 Mercedes-Benz Sl62
All scores follow our 7-factor methodology.
Full Detail

Pick a year. Get the full report.

Side-by-side rankings are a great start, but the detailed repair costs, mileage danger zones, and buyer checklist live inside each year's full reliability report.

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