Headlight W166 LED for Mercedes-Benz GLS-CLASS

Left Side Version

LED Headlight Left – Mercedes-Benz GLS X166 

Compatible Vehicles:

• Mercedes-Benz GLS-Class X166 (2017–2019)

• GLS450, GLS550, GLS63 AMG

• 4MATIC variants

Position: Front - Left Side

Replacement part for: 1669066603, 1669066503

Factory-style LED headlight assembly for facelift GLS models. Direct replacement for damaged originals. Housing only – bulbs and control modules not included.

Specs:

• Technology: LED

• Fit: Precision-engineered to factory mounting points (meets OEM specifications)

• Hardware: Re-use original bolts (not included)

Condition: Brand New – Aftermarket Replacement

Fitment Note: Compatible with 2017–2019 X166 GLS models with factory LED lighting. Verify headlight type before ordering. Professional installation and coding recommended.

This is an aftermarket replacement part, not an original Mercedes-Benz product. Mercedes-Benz names and model designations are used for compatibility purposes only.

Right Side Version

LED Headlight Right – Mercedes-Benz GLS X166 

Compatible Vehicles:

• Mercedes-Benz GLS-Class X166 (2017–2019)

• GLS450, GLS550, GLS63 AMG

• 4MATIC variants

Position: Front - Right Side

Replacement part for: 1669067003, 1669066903

Factory-style LED headlight assembly for facelift GLS models. Direct replacement for damaged originals. Housing only – bulbs and control modules not included.

Specs:

• Technology: LED

• Fit: Precision-engineered to factory mounting points (meets OEM specifications)

• Hardware: Re-use original bolts (not included)

Condition: Brand New – Aftermarket Replacement

Fitment Note: Compatible with 2017–2019 X166 GLS models with factory LED lighting. Verify headlight type before ordering. Professional installation and coding recommended.

This is an aftermarket replacement part, not an original Mercedes-Benz product. Mercedes-Benz names and model designations are used for compatibility purposes only.