HomeElectrical, Lighting and Body > Lighting - ExteriorTYC 20-9972-00 Headlight Assembly - Left
Part #: 20-9972-00

TYC 20-9972-00 Headlight Assembly - Left

TYC Regular, Left
⚙️ 11 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦TYC Regular, Left
🚗Fitment: Mercedes-Benz, GLC300 and GLC43 AMG
🔄Easy Returns — Return within 60 days for a full refund
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Overview of TYC Regular Left Headlight Assembly for Mercedes-Benz GLC43 AMG and GLC300

The TYC Regular left headlight assembly (part number 20-9972-00) is designed specifically for Mercedes-Benz GLC43 AMG and GLC300 models. This complete headlight assembly includes all necessary bulbs and features a combination of halogen and LED lighting technologies to meet exterior lighting needs.

  • Complete headlight assembly with bulbs included
  • Clear and amber plastic lens for optimal light output and signaling
  • Halogen bulbs for low beam, high beam, and front signal lights
  • LED bulbs for daytime running lights and front side marker lights
  • Durable plastic housing designed for long-lasting performance
  • SAE/DOT compliant for safety and regulatory standards
  • Left side position, compatible with part number 20-9971-00 for the right side

TYC Regular Product Line Details

The TYC Regular product line offers reliable and direct replacement lighting components that meet OEM specifications. This line focuses on providing quality assemblies that include all necessary bulbs, ensuring a straightforward replacement process. The 20-9972-00 headlight assembly is part of this line, delivering consistent performance and fitment for Mercedes-Benz GLC43 AMG and GLC300 vehicles.

Detailed Product Description

This left headlight assembly features a clear and amber plastic lens that houses halogen bulbs for the low beam (H7), high beam (H7), and front signal light (Halogen PY21W). The daytime running light and front side marker light bulbs are LED, offering improved visibility and energy efficiency. The plastic housing provides durability while maintaining a lightweight design. This assembly is a complete unit, ready to install without the need for additional bulb purchases. It is designed to meet SAE and DOT compliance standards, ensuring it adheres to safety and regulatory requirements.

Common Applications and Issues Addressed

  • Replacement of damaged or cracked headlight lens or housing
  • Restoring proper lighting function for low beam, high beam, and signal lights
  • Upgrading to a complete assembly with included bulbs for convenience
  • Ensuring compliance with safety standards for exterior lighting
  • Resolving issues with daytime running lights and side marker illumination

Installation Notes and Tips

Installation of the TYC Regular left headlight assembly (20-9972-00) is designed to be a direct replacement for the Mercedes-Benz GLC43 AMG and GLC300 models. Since the assembly includes all bulbs except hardware, ensure existing mounting hardware is in good condition before installation. Handle the plastic lens carefully to avoid scratches, and verify all electrical connections are secure for proper lighting operation.

Quality Assurance and Warranty

TYC Regular headlight assemblies are manufactured to meet or exceed OEM standards, providing reliable fit and function. This part is SAE and DOT compliant, ensuring it meets safety regulations. While specific warranty details are not provided here, TYC products typically come with a limited warranty against defects in materials and workmanship.

BrandTYC
Part Number20-9972-00
PositionTYC Regular, Left
Bulbs IncludedYes
Lens ColorClear, amber
Bulb TypeHalogen
Lens MaterialPlastic
Housing MaterialPlastic
Hardware IncludedNo
Components IncludedComplete assembly
Daytime Running Light Bulb IncludedYes
Daytime Running Light Bulb TypeLed
Front Side Marker Light Bulb IncludedYes
Front Side Marker Light Bulb TypeLed
Front Signal Light Bulb IncludedYes
Front Signal Light Bulb TypeHalogen py21w
High Beam Bulb IncludedYes
High Beam Bulb TypeHalogen h7
Low Beam Bulb IncludedYes
Low Beam Bulb TypeHalogen h7
Other Side20-9971-00
PositionLeft
RemarksW/o logo
Sae/dot CompliantYes

This part fits 11 vehicles. Search below:

YearMakeModelSubmodelBody TypePositionNotes
2019Mercedes-BenzGLC3004MaticSport UtilityLeftCompatible with vehicles that have halogen type fog lights.; TYC Regular
2019Mercedes-BenzGLC300BaseSport UtilityLeftCompatible with vehicles that have halogen type fog lights.; TYC Regular
2019Mercedes-BenzGLC43 AMG4MaticSport UtilityLeftCompatible with vehicles that have halogen type fog lights.; TYC Regular
2018Mercedes-BenzGLC300BaseSport UtilityLeftCompatible with vehicles that have halogen type fog lights.; TYC Regular
2018Mercedes-BenzGLC3004MaticSport UtilityLeftCompatible with vehicles that have halogen type fog lights.; TYC Regular
2018Mercedes-BenzGLC43 AMG4MaticSport UtilityLeftCompatible with vehicles that have halogen type fog lights.; TYC Regular
2017Mercedes-BenzGLC3004MaticSport UtilityLeftCompatible with vehicles that have halogen type fog lights.; TYC Regular
2017Mercedes-BenzGLC300BaseSport UtilityLeftCompatible with vehicles that have halogen type fog lights.; TYC Regular
2017Mercedes-BenzGLC43 AMG4MaticSport UtilityLeftCompatible with vehicles that have halogen type fog lights.; TYC Regular
2016Mercedes-BenzGLC300BaseSport UtilityLeftCompatible with vehicles that have halogen type fog lights.; TYC Regular
2016Mercedes-BenzGLC3004MaticSport UtilityLeftCompatible with vehicles that have halogen type fog lights.; TYC Regular

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

253 820 19 61

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.