{"product_id":"mercedes-glc-x253-burmester-speaker-upgrade-package-helix-ci3","title":"Mercedes GLC X253 Burmester - Speaker Upgrade Package | HELIX Ci3","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eOverhaul the constrained factory audio mapping and fully liberate the acoustic potential of your premium vehicle cabin with the \u003c\/span\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"137\"\u003eMercedes GLC X253 Burmester - Speaker Upgrade Package | HELIX Ci3\u003c\/b\u003e\u003cspan\u003e. Specially calibrated to rectify the hollow midrange, harsh vocal peaks, and muddy high-frequency response typical of aging original factory drivers, this targeted acoustic performance package upgrades your entire multi-door soundstage. Loaded with ultra-efficient, highly advanced \u003c\/span\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"485\"\u003eHELIX COMPOSE Ci3\u003c\/b\u003e\u003cspan\u003e series midranges and titanium dome tweeters, this package introduces exceptional vocal clarity, clinical high-frequency sparkle, and a lush, natural soundstage—all while mounting completely hidden behind your original vehicle luxury door cards.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003e\u003cb data-path-to-node=\"6\" data-index-in-node=\"0\"\u003eKey Benefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003ePremium HELIX COMPOSE Ci3 Technology:\u003c\/b\u003e Features high-resolution component midranges engineered with rigid, lightweight Cenosphere coated paper cones alongside premium titanium dome tweeters, resulting in pristine vocal projection and sweet, clinical, non-fatiguing high-frequency extension.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003ePreserved Luxury Infrastructure:\u003c\/b\u003e Utilizes direct, architectural structural frame baskets and custom vehicle-matched wiring connectors to interface with the original speaker harness points without cutting any wires.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003eDirect Plug \u0026amp; Play System Fitment:\u003c\/b\u003e Integrates natively with your GLC Burmester electronics footprint using a vehicle-specific HELIX COMPOSE upgrade system that connects directly into the factory hardware locations without cutting or splicing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003ePlease Read Before Purchasing\u003c\/b\u003e \u003cbr\u003eOur Plug \u0026amp; Play (PnP) upgrade packages are listed primarily for dealer use and professional installation, but some may also suit confident DIY users, particularly those based on MATCH systems.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eWho These Packages Are For\u003c\/b\u003e \u003cbr\u003eWhile MATCH systems are generally more accessible for DIY installations, HELIX packages typically require advanced tuning skills to unlock their full potential.\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eInstallation \u0026amp; Tuning Notes\u003c\/b\u003e \u003cbr\u003eMost packages install easily, but minor modifications may be needed depending on your vehicle's exact year and trim.\u003c\/p\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eInstallation\u003c\/b\u003e \u003cbr\u003ePlease note: Installation fees are not included in the product price. Your nearest dealer will be happy to provide a complete quote including supply, installation, and tuning.\u003c\/p\u003e\n\u003cp data-path-to-node=\"12\"\u003eAs an official authorized dealer, \u003cb data-path-to-node=\"12\" data-index-in-node=\"34\"\u003eMC Audio Sydney\u003c\/b\u003e makes it seamless to transition from purchase to performance. Customers can purchase this complete combo online and bring their vehicle directly to our premier Sydney facility, where our specialized technicians will handle the complete physical integration and absolute phase correction to lock in premium performance.\u003c\/p\u003e\n\u003cp data-path-to-node=\"13\"\u003e📦 Available for online purchase through MC Audio Sydney. As a professional car audio integration specialist, \u003cb data-path-to-node=\"13\" data-index-in-node=\"110\"\u003eMC Audio Sydney supplies genuine components and offers expert installation services in Sydney, with Australia-wide shipping available\u003c\/b\u003e.\u003c\/p\u003e","brand":"Mechatronicar Audio","offers":[{"title":"Default Title","offer_id":52035423928605,"sku":"103319","price":1260.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/7607\/0685\/files\/0.66686000_1784218355.webp?v=1784218358","url":"https:\/\/mcaudio.shop\/products\/mercedes-glc-x253-burmester-speaker-upgrade-package-helix-ci3","provider":"Mechatronicar Audio","version":"1.0","type":"link"}