Mercedes-Benz S-Class Recall: Critical Seat Belt Extender Safety Issue

Affected Mercedes-Benz Models

This safety recall impacts specific high-end Mercedes-Benz vehicles from the 2016-2017 model years, including:

• S550 4Matic coupes - Premium luxury two-door models
• S550 convertibles - Open-top variants of the flagship S-Class
• Mercedes-AMG S63 coupes - High-performance versions from AMG
• S65 coupes - The ultra-luxury V12-powered models
• S63 4Matic convertibles - All-wheel-drive performance convertibles

Production dates: Vehicles manufactured between June 29, 2015, and March 15, 2016

The Safety Risk Explained

The National Highway Traffic Safety Administration (NHTSA) has identified a potentially dangerous defect in the seat belt extender mechanism of these luxury vehicles. The primary concerns include:

Mechanical Failure Points

• Retraction malfunction: The seat belt extenders may not properly retract when released
• Structural weakness: In a collision, the extender mechanism could fracture or break completely
• Compromised restraint: Failed extenders may not properly secure occupants during impact
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Potential Consequences

If the seat belt extender fails during a crash, vehicle occupants face increased risk of:

• More severe contact with interior surfaces
• Reduced effectiveness of supplemental restraint systems
• Potential ejection in extreme cases
• Greater likelihood of secondary injuries

The Manufacturer's Resolution

Mercedes-Benz has developed a complete solution to address this safety concern without requiring physical part replacement:

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Software Update Details

• Dealer-performed service: Certified technicians will reprogram the control unit
• No cost to owners: Fully covered under the recall program
• Time investment: Typically completed within one hour
• Preventative measure: Addresses the issue before failure occurs

Owner Action Steps

If you own one of the affected Mercedes-Benz vehicles, follow these important steps:

Immediate Actions

• Check for notification: Mercedes-Benz will mail official recall notices
• Pre-schedule service: Contact your preferred dealership to arrange the update
• Verify inclusion: Confirm your VIN is part of the recall campaign

Contact Information

• Mercedes-Benz Customer Service: 800-367-6372
• NHTSA Vehicle Safety Hotline: 888-327-4236
• Online Resources: www.safercar.gov

Understanding Recall Severity

This recall addresses a potential safety defect that Mercedes-Benz and NHTSA classify as important to correct:

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Why This Matters

• Seat belts are the primary safety system in any vehicle
• Proper function is critical for airbag effectiveness
• Luxury vehicles often have complex restraint systems
• Software controls increasingly manage safety systems

Additional Safety Recommendations

While awaiting your recall service appointment, consider these precautionary measures:

• Test seat belt extender retraction regularly
• Ensure proper belt positioning across hips and shoulder
• Avoid placing heavy items on extenders when not in use
• Monitor for any unusual resistance when using extenders

Recall Process Explained

Understanding how automotive recalls work can help owners navigate the system:

The Recall Timeline

1. Safety issue identification through testing or field reports
2. Manufacturer investigation and defect confirmation
3. NHTSA review and recall authorization
4. Owner notification process begins
5. Remedy development and dealership preparation
6. Service completion tracking and verification

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Frequently Asked Questions

How do I know if my Mercedes is affected?

Check your VIN through Mercedes-Benz's recall portal or the NHTSA database. All affected owners will receive mailed notification.

Is it safe to drive my car before the repair?

While the risk exists primarily during collisions, prompt service is recommended. Use caution and ensure proper seat belt function.

What if I already paid for this repair?

Contact Mercedes-Benz customer service for potential reimbursement of prior repairs addressing this specific issue.

How long will the software update take?

Most dealerships can complete the update in under an hour, though wait times may vary.