{"product_id":"ctx-3303-or-optic-fiber-decoder-or-mercedes-e-klas","title":"CTX-3303 | Optical fiber decoder | Mercedes E-Class w211 | S\/SL\/SLK\/CLK | from 2009","description":"\u003cp data-start=\"291\" data-end=\"676\"\u003eThe \u003cstrong data-start=\"294\" data-end=\"326\"\u003eCTX-3303 Fiber Optic Decoder\u003c\/strong\u003e makes it possible to connect an \u003cstrong data-start=\"389\" data-end=\"422\"\u003eaftermarket Android head unit\u003c\/strong\u003e to the \u003cstrong data-start=\"442\" data-end=\"497\"\u003eoriginal Bose or Harman Kardon sound system\u003c\/strong\u003e in your Mercedes in a neat and hassle-free way. Thanks to this decoder, which uses the \u003cstrong data-start=\"562\" data-end=\"608\"\u003eoriginal fiber optic connection\u003c\/strong\u003e, you do not need to \u003cstrong data-start=\"618\" data-end=\"675\"\u003erun any cables through the car to the trunk\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"291\" data-end=\"676\"\u003eThis allows you to keep the original amplifier and speakers while still enjoying the latest infotainment features of an aftermarket head unit.\u003c\/p\u003e\n\u003ch3 data-start=\"1303\" data-end=\"1321\"\u003eThis fiber optic decoder is suitable for:\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMercedes-Benz CLS\u003c\/strong\u003e (w219) 2009 to 2012\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMercedes-Benz E-Class\u003c\/strong\u003e (w211) 2009 to 2012\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMercedes-Benz SL-Class\u003c\/strong\u003e (w230) 2009 to 2012\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMercedes-Benz SLK-Class\u003c\/strong\u003e (w171) 2009 to 2012\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMercedes-Benz CLK-Class\u003c\/strong\u003e (w209) 2005 to 2009\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMercedes-Benz B-Class\u003c\/strong\u003e (w245) 2009 to 2011\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"1466\" data-end=\"1564\"\u003e✅ Only suitable for vehicles with \u003cstrong data-start=\"1504\" data-end=\"1564\"\u003eBose or Harman Kardon audio via fiber optic (MOST system)\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"833\" data-end=\"836\"\u003e\n\u003ch3 data-start=\"838\" data-end=\"864\"\u003eHow does the head unit Fiber Optic decoder work?\u003c\/h3\u003e\n\u003cp data-start=\"865\" data-end=\"1162\"\u003eThe CTX-3302 converts the \u003cstrong data-start=\"885\" data-end=\"1029\"\u003edigital audio signal that runs from the amplifier to the speakers via the fiber optic cable into a usable signal for an aftermarket radio\u003c\/strong\u003e. As a result, the original speakers and amplifier remain fully active, but the audio source is replaced by your new head unit.\u003c\/p\u003e\n\u003cp data-start=\"1164\" data-end=\"1296\"\u003eThis allows you to upgrade to Android, CarPlay, or other modern systems without making any changes to the original wiring.\u003c\/p\u003e\n\u003chr data-start=\"1298\" data-end=\"1301\"\u003e\n\u003ch3 data-start=\"1571\" data-end=\"1599\"\u003eConnection \u0026amp; Installation\u003c\/h3\u003e\n\u003cp data-start=\"1600\" data-end=\"1898\"\u003eThe fiber optic connection can usually be identified by the orange cable behind the original factory radio. The CTX-3302 is placed behind the aftermarket radio and connected directly to the head unit and the orange fiber cable. There is no need to run cables to the amplifier in the trunk.\u003c\/p\u003e\n\u003cp data-start=\"1900\" data-end=\"2062\"\u003eInstallation is technically straightforward, but requires basic knowledge of car systems. The decoder comes with clear labels for the connections.\u003c\/p\u003e\n\u003cp data-start=\"2064\" data-end=\"2224\"\u003eThis product is only required in combination with Bose or Harman Kardon. Do you not have an original premium audio system? Then the CTX-3302 is not necessary.\u003c\/p\u003e\n\u003chr data-start=\"2226\" data-end=\"2229\"\u003e\n\u003ch2 data-start=\"2231\" data-end=\"2259\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cp data-start=\"2261\" data-end=\"2411\"\u003e\u003cstrong data-start=\"2261\" data-end=\"2312\"\u003eDo all original speakers work with the CTX-3302?\u003c\/strong\u003e\u003cbr data-start=\"2312\" data-end=\"2315\"\u003eYes, all original speakers remain fully functional via the fiber optic channel.\u003c\/p\u003e\n\u003cp data-start=\"2413\" data-end=\"2595\"\u003e\u003cstrong data-start=\"2413\" data-end=\"2460\"\u003eCan I control each speaker individually?\u003c\/strong\u003e\u003cbr data-start=\"2460\" data-end=\"2463\"\u003eNo. The system is controlled via a single shared fiber optic channel. Individual speaker control per channel is not possible.\u003c\/p\u003e\n\u003cp data-start=\"2597\" data-end=\"2721\"\u003e\u003cstrong data-start=\"2597\" data-end=\"2640\"\u003eIs the original amplifier retained?\u003c\/strong\u003e\u003cbr data-start=\"2640\" data-end=\"2643\"\u003eYes, the original Bose or Harman Kardon amplifier remains fully active.\u003c\/p\u003e\n\u003cp data-start=\"2723\" data-end=\"2874\"\u003e\u003cstrong data-start=\"2723\" data-end=\"2768\"\u003eDo I need to run cables to the trunk?\u003c\/strong\u003e\u003cbr data-start=\"2768\" data-end=\"2771\"\u003eNo, that is not necessary. The connection is made entirely behind the radio via the fiber optic link.\u003c\/p\u003e\n\u003cp data-start=\"2876\" data-end=\"3023\"\u003e\u003cstrong data-start=\"2876\" data-end=\"2922\"\u003eIs the decoder suitable for every Mercedes?\u003c\/strong\u003e\u003cbr data-start=\"2922\" data-end=\"2925\"\u003eNo, only for the listed models with Bose or Harman Kardon and the MOST fiber optic system.\u003c\/p\u003e\n\u003cp data-end=\"358\" data-start=\"115\"\u003e\u003cstrong data-end=\"187\" data-start=\"115\"\u003eWill my original CD changer still work after replacing the radio?\u003c\/strong\u003e\u003cbr data-end=\"190\" data-start=\"187\"\u003eNo. If you have an original CD changer supplied by Mercedes from the factory, it will no longer function after replacing the original radio.\u003c\/p\u003e\n\u003cp data-end=\"639\" data-start=\"360\"\u003e\u003cstrong data-end=\"417\" data-start=\"360\"\u003eCan I keep using the original radio antennas?\u003c\/strong\u003e\u003cbr data-end=\"420\" data-start=\"417\"\u003eNo, it is not possible to reconnect the original radio antennas to an aftermarket head unit. In that case, we recommend using digital radio via CarPlay or Android Auto.\u003c\/p\u003e\n\u003cp data-end=\"639\" data-start=\"360\"\u003e\u003cstrong data-end=\"3199\" data-start=\"3142\"\u003eCan I connect any aftermarket radio with this?\u003c\/strong\u003e\u003cbr data-end=\"3202\" data-start=\"3199\"\u003eYes, the CTX-3303 is suitable for all common aftermarket Android head units with an RCA audio output.\u003c\/p\u003e","brand":"Cartronix","offers":[{"title":"Standaard","offer_id":54957301727578,"sku":"CTX-3303","price":139.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/0730\/2490\/files\/CTX-3303_3.png?v=1791661140","url":"https:\/\/cartronix.eu\/en\/products\/ctx-3303-or-optic-fiber-decoder-or-mercedes-e-klas","provider":"Cartronix.eu","version":"1.0","type":"link"}