{"product_id":"dash-camera-power-adapter-4-pin-for-mercedes-benz-led-display-usb","title":"Dash Camera Power Adapter (4-Pin) for Mercedes Benz - LED Display USB","description":"\u003cp\u003eIn this review of the Dash Camera Power Adapter for Mercedes Benz, the bottom line is simple: this adapter is aimed at drivers who want a clean, hardwired power solution for dash cams without modifying the vehicle warranty. It is particularly useful for Mercedes owners who confirm a 4-pin rain sensor connector and want both 5V USB power and 12V DC outputs in a single plug-and-play harness. The single biggest reason to buy is the combination of an LED display for real-time current and voltage readout and multiple output cables that handle common dash cam power needs.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-pin Mercedes fit:\u003c\/strong\u003e Designed for Mercedes Benz vehicles with a 4-pin rain sensor connector so the installer can use the existing harness without splicing wires.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual voltage output:\u003c\/strong\u003e Provides 5V via USB and 12V via DC plugs from a 12V input, allowing simultaneous power to both USB-based and 12V dash cam models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSix output cable types:\u003c\/strong\u003e Ships with DC 3.5mm A, DC 3.5mm B, RJ11, Micro USB, USB-C, and Mini USB to cover a wide range of dash cam and radar units without extra purchases.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED display for monitoring:\u003c\/strong\u003e The built-in LED screen shows current and voltage so the user can confirm the adapter is supplying stable power and diagnose wiring issues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-play installation:\u003c\/strong\u003e Uses a special wiring harness connection that plugs into the rain sensor area, intended to keep factory wiring intact and not void the vehicle warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis adapter is best for Mercedes Benz owners who have located a 4-pin rain sensor connector and want a tidy, factory-friendly hardwire option for one or two dash cams. It suits DIY installers who prefer a plug-in harness over splicing and anyone who values the LED readout for peace of mind during installation.\u003c\/p\u003e\n\u003cp\u003eIt is not the right choice for owners whose vehicles do not use a 4-pin rain sensor connector or for those who need a solution that provides voltages other than 5V and 12V. Also, buyers who require an installation service should check compatibility with their installer before purchase.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes six common output cables so most dash cams and radar units can be powered without extra adapters.\u003c\/li\u003e\n\u003cli\u003eLED display provides live voltage and current information that helps with troubleshooting and verification.\u003c\/li\u003e\n\u003cli\u003ePlug-and-play harness is designed to install without voiding the vehicle warranty and keeps wiring neat behind the windshield sensor cover.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOnly compatible with Mercedes vehicles that use a 4-pin rain sensor connector, which must be confirmed before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eFitDVR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle compatibility\u003c\/td\u003e\n\u003ctd\u003eMercedes Benz with 4-pin rain sensor connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput voltage\u003c\/td\u003e\n\u003ctd\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput voltages\u003c\/td\u003e\n\u003ctd\u003e5V (USB) and 12V (DC 3.5mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded output cables\u003c\/td\u003e\n\u003ctd\u003eDC 3.5mm A, DC 3.5mm B, RJ11, Micro USB, USB-C, Mini USB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eLED screen showing current and voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Dash Camera Power Adapter for Mercedes Benz is a practical, value-minded hardwire option for owners who confirm a 4-pin rain sensor connection and want reliable 5V and 12V outputs without altering factory wiring. Its included cable assortment and LED monitoring make it a convenient choice for powering one or two dash cams while keeping wiring tidy and preserving the vehicle warranty.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a 4-pin connector to use this adapter?\u003c\/strong\u003e\u003cbr\u003eYes, you must confirm a 4-pin rain sensor connector on your Mercedes before purchasing; the product is designed for that specific plug type.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat voltages does the adapter provide?\u003c\/strong\u003e\u003cbr\u003eThe adapter accepts 12V input and supplies 5V via USB outputs and 12V via DC 3.5mm outputs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill installation void my vehicle warranty?\u003c\/strong\u003e\u003cbr\u003eThe adapter uses a plug-and-play wiring harness intended not to void the vehicle warranty and is designed to avoid affecting the rain sensor.\u003c\/p\u003e","brand":"FitDVR","offers":[{"title":"Default Title","offer_id":48232903672027,"sku":"B0D4V4CCSX","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51ulHld-lNL._AC_SL1000.jpg?v=1770716856","url":"https:\/\/gearmusthave.com\/products\/dash-camera-power-adapter-4-pin-for-mercedes-benz-led-display-usb","provider":"GearMustHave","version":"1.0","type":"link"}