TYC 20-6978-00-9 Headlight Assembly - Left

Overview of TYC CAPA Certified Headlight Assembly

The TYC CAPA Certified Headlight Assembly 20-6978-00-9 is designed specifically for select Mercedes-Benz models, including the E63 AMG, E320, E350, and E550. This left-side complete headlight assembly features halogen bulbs and clear lenses to ensure reliable exterior lighting performance.

• Complete headlight assembly with bulbs included
• Clear PC plastic lens and durable PP plastic housing
• Halogen bulb types: H7 for low and high beams, 3457A for front signal light
• CAPA Certified for quality and compliance
• Compatible with Mercedes-Benz E63 AMG, E320, E350, and E550 models from 06/30/2006 onward

Product Features and Specifications

This TYC headlight assembly includes all necessary halogen bulbs: H7 bulbs for both low and high beams, and a 3457A halogen bulb for the front signal light. The lens is made from clear polycarbonate (PC) plastic, providing durability and resistance to impact and weathering. The housing is constructed from polypropylene (PP) plastic, ensuring a lightweight yet sturdy frame. This assembly is designed for the left side of the vehicle and is SAE/DOT compliant, meeting safety and regulatory standards.

About the CAPA Certified Product Line

The CAPA Certified line from TYC represents parts that meet the Certified Automotive Parts Association standards for fit, form, and function. This certification ensures that the 20-6978-00-9 headlight assembly maintains quality comparable to original equipment, providing a reliable replacement for your Mercedes-Benz E63 AMG, E320, E350, or E550.

Common Applications and Problem Resolution

• Replacement for cracked or damaged headlight lenses
• Restoring proper illumination for low and high beam functions
• Fixing malfunctioning or burnt-out halogen bulbs
• Improving visibility and signaling with a complete assembly
• Ensuring compliance with SAE/DOT lighting regulations

Installation Notes and Tips

This headlight assembly is designed as a direct replacement for the left side of compatible Mercedes-Benz models. Since installation hardware is not included, retain original mounting components or acquire separately if needed. Careful alignment during installation is recommended to ensure proper beam pattern and signaling function. Verify bulb connections and test all lighting functions before finalizing installation.

Quality Assurance and Warranty

TYC’s CAPA Certified headlight assemblies undergo rigorous testing to meet industry standards for durability and performance. The 20-6978-00-9 part number is backed by TYC’s quality assurance protocols, ensuring a dependable replacement part. Please refer to TYC’s warranty policy for specific coverage details.