Depo 340-1138L-AS Headlight Assembly - Left

Left Headlight Assembly for GLK350

This Depo headlight assembly is a direct-fit exterior lighting replacement for the left side of select Mercedes-Benz GLK350 models. It is built for 2010-2012 Mercedes-Benz GLK350 applications with halogen, composite headlamp equipment, making it a focused match for common front-end lighting repairs.

• Brand: Depo
• Part number: 340-1138L-AS
• Headlight assembly for the left side
• Fits 2010-2012 Mercedes-Benz GLK350, left
• Halogen, composite headlamp application
• OE reference noted in fitment: MB2502188 / OEM 2048207259

Fitment and Application Details

Compatible With 2010-2012 Mercedes-Benz GLK350, left side, this assembly is intended for X204 chassis vehicles equipped with halogen composite lighting. The Depo 340-1138L-AS follows the listed OE application for the Mercedes-Benz GLK350 and supports a clean replacement when the original left headlamp is damaged, cloudy, or no longer functioning correctly.

Common Issues This Part Can Address

• Cracked or broken left headlight lens housing
• Dim, failed, or inconsistent halogen headlamp output
• Moisture intrusion in the headlight assembly
• Restoring proper front lighting after collision damage
• Replacing a worn OE-style left headlamp on a Mercedes-Benz GLK350

Installation Notes and Tips

Verify halogen and composite headlamp configuration before ordering. Confirm the left-side mounting points, connector style, and OE reference numbers against the vehicle before installation. For best results, inspect adjacent trim, bulbs, and wiring during replacement to ensure the lighting system operates correctly after the new assembly is installed.

Quality Assurance

Depo manufactures replacement lighting components for OE-style applications, and this assembly is identified to the listed OEM reference for the Mercedes-Benz GLK350. Part number 340-1138L-AS is cataloged for the specified fitment and left-side application.