{"product_id":"hella-354878031-headlight-assembly-left","title":"Hella 354878031 Headlight Assembly - Left","description":"\u003ch2\u003eHELLA Left Headlight Assembly for GLK-Class\u003c\/h2\u003e\u003cp\u003eThis HELLA headlight assembly is a genuine OE-style replacement for the left side of select Mercedes-Benz GLK models. Part number 354878031 is built as a standard replacement halogen unit with SAE approval and street-legal status for road use.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGenuine OE from HELLA front lighting line\u003c\/li\u003e\n\u003cli\u003eLeft headlight assembly with 4 light functions\u003c\/li\u003e\n\u003cli\u003eHalogen design with H7 bulb type and W5W lamp type\u003c\/li\u003e\n\u003cli\u003eBulbs included; no control unit included\u003c\/li\u003e\n\u003cli\u003eSAE approved and street legal\u003c\/li\u003e\n\u003cli\u003e12V electrical system\u003c\/li\u003e\n\u003cli\u003ePosition light function included\u003c\/li\u003e\n\u003cli\u003eFor vehicles without dynamic bending light\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eHELLA Front Lighting focuses on exterior lighting built for visibility and safety in daily driving and night operation. This headlight assembly, part number 354878031, is a left-side replacement for Mercedes-Benz GLK250, GLK300, and GLK350 applications. It uses halogen bulb technology and includes the bulbs needed for the assembly, while mounting hardware is not included. The unit is marked for Mercedes-Benz and is listed as a standard replacement for vehicles without dynamic bending light.\u003c\/p\u003e\u003cp\u003eCompatible With 2012-2015 Mercedes-Benz GLK300, left; 2012-2015 Mercedes-Benz GLK350, left; and 2013-2015 Mercedes-Benz GLK250, left. This part cross-references Mercedes-Benz 204 820 72 59 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Replacement Reasons\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCracked or cloudy left headlight lens\u003c\/li\u003e\n\u003cli\u003eDim or failed low-beam output\u003c\/li\u003e\n\u003cli\u003eBroken position light function\u003c\/li\u003e\n\u003cli\u003eMoisture intrusion in the headlamp housing\u003c\/li\u003e\n\u003cli\u003eFailed inspection due to lighting performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eAssy\/disassy by qualified personnel required. Verify the vehicle is equipped without dynamic bending light before ordering. Confirm left-side placement, 12V electrical requirements, and bulb specifications before installation. Because this assembly includes bulbs and does not include a control unit, transfer or verify any vehicle-side components as needed during replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eHELLA is a recognized OE lighting supplier, and this assembly is SAE approved with SAE test marking for road use. The part number 354878031 is engineered as a direct replacement lighting assembly for the listed Mercedes-Benz GLK applications.\u003c\/p\u003e","brand":"Hella","offers":[{"title":"Default Title","offer_id":52415160090805,"sku":"BFDP-354878031","price":446.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/HL_354878031_Fro.jpg?v=1777803052","url":"https:\/\/www.partcatalog.com\/products\/hella-354878031-headlight-assembly-left","provider":"PartCatalog","version":"1.0","type":"link"}