HELLA Headlight Headlamp Right - 1EL-263-400-021

This headlight is designed for the Mercedes-Benz GL-Class (X164). It features a Halogen/DE/FF ligh...

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Product Information

Full details

This HELLA headlight is designed for Mercedes-Benz GL-Class (X164) vehicles operating on the right side of the road. It offers original equipment quality and supports multiple bulb types (PY21W, H7, W5W, WY5W) for high beam, low beam, indicator, and position light functions. While providing a reliable lighting solution, ensure it is compatible with your specific vehicle model and year before purchase, as installation may require professional expertise.

All features

Model Part Number1EL-263-400-021
BrandHella

Extended Product Information

FAQs

What bulb types does this headlight support?

This headlight supports PY21W for indicators, H7 for main beams, and W5W/WY5W for position lights.

Is this headlight compatible with a left-hand drive vehicle?

No, this headlight is specifically designed for vehicles in regions with right-hand traffic.

Can I install this headlight myself?

While possible, professional installation is recommended due to the complexity of vehicle lighting systems and potential need for alignment adjustments.

What is the difference between this headlight and part number 1EL 263 400-011?

Part number 1EL-263-400-021 is for the right side, while 1EL 263 400-011 is for the left side of the vehicle.

How should I clean the headlight lens?

Use a soft, damp cloth. Avoid abrasive cleaners or solvents that could damage the plastic or coatings.

What does the 'DE/FF' in the description refer to?

DE (Druck-element) and FF (Free-Form) refer to the reflector and lens technology used in the headlight design, indicating advanced optical performance.

What are the lighting functions included in this unit?

This headlight integrates high beam, low beam, indicator, and position light functions.

Troubleshooting

Headlight not turning on

Verify that the correct bulb types (PY21W, H7, W5W, WY5W) are installed properly and are not burnt out. Check the electrical connections to the headlight assembly for security and corrosion. Consult a mechanic to test the vehicle's headlight wiring and fuse.

Indicator light not functioning

Ensure the PY21W indicator bulb is correctly seated and functional. Check the vehicle's fuse box for the indicator circuit fuse. Inspect wiring harness connections for any damage or loose pins.

Beam misalignment after installation

The headlight assembly features adjustment screws for horizontal and vertical alignment. Refer to your vehicle's service manual or consult a professional mechanic to adjust the beam pattern correctly. Incorrect alignment can impair visibility and be illegal.

Moisture inside the headlight assembly

This can indicate a compromised seal. Check the seals around the bulb openings and the main housing. If damage is found, the seal may need to be repaired or the headlight assembly replaced. Driving with moisture inside can damage bulbs and reflectors.

Pros and Cons

Pros

  • Provides original equipment quality for reliable performance.
  • Supports multiple bulb types for versatile lighting needs.
  • Integrates essential lighting functions into one unit.
  • Designed specifically for compatible Mercedes-Benz models.
  • Meets standards for right-hand traffic usage.

Cons

  • Requires professional installation due to vehicle complexity.
  • Specific bulb types need to be purchased separately.
  • May not be compatible with all GL-Class (X164) model years.
  • Only designed for the right side of the vehicle.

Setup, Compatibility & Care

Compatibility: This headlight is specifically designed for the Mercedes-Benz GL-Class (X164) model and is intended for right-hand traffic configurations. Always verify your vehicle's specific model year and existing headlight part number to ensure a correct fit. It is equivalent to part number 1EL 263 400-011.

Setup: Installation of this headlight typically requires removing the original unit and fitting the new one. Due to the complexity of modern vehicle electrical systems and body panel access, professional installation by a qualified mechanic is highly recommended to ensure correct alignment and secure connection.

Care: To maintain optimal performance, regularly clean the headlight's exterior lens with a soft, damp cloth. Avoid using abrasive cleaners or harsh chemicals, which can damage the lens. Ensure that the bulb seals are intact to prevent moisture ingress. Periodically check beam alignment to ensure it meets regulatory standards.

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