{"product_id":"mercedes-benz-w204-w212-gateway-module-remanufactured-replacement-1l15y-3m25j-3-year-warranty","title":"Mercedes-Benz W204 \/ W212 Gateway Module Remanufactured Replacement – 1L15Y \u0026 3M25J | 3-Year Warranty","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eExperiencing CAN communication faults, multiple warning messages, intermittent electrical problems, or a failed Gateway Module in your Mercedes-Benz?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eLacorte Automotive offers a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003email-in remanufactured Gateway Module replacement service\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for supported Mercedes-Benz W204\/W212-family applications using the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1L15Y and 3M25J\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e variants.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSimply \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003email us your original Gateway Module\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. We provide a compatible remanufactured replacement, transfer the applicable EEPROM, FLASH, coding\/configuration and vehicle-specific data from your original module, bench test the replacement, and ship it back to you.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eNO DONOR MODULE REQUIRED — WE PROVIDE THE REPLACEMENT\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eEvery remanufactured replacement supplied with this service includes our \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3-Year Warranty\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eApplicable Mercedes-Benz Vehicles\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis Gateway Module family may be found in various Mercedes-Benz vehicles based on the W204\/W212 electrical architecture, including applications such as:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eMercedes-Benz C-Class (W204)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eMercedes-Benz C-Class Sedan\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eMercedes-Benz C-Class Coupe (C204)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eMercedes-Benz C-Class Wagon\/Estate (S204)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eMercedes-Benz E-Class (W212)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eMercedes-Benz E-Class Sedan\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eMercedes-Benz E-Class Wagon\/Estate (S212)\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFitment varies by \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003emodel year, part number, processor, hardware and software version\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Vehicle model alone does not guarantee compatibility.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePlease send us a picture of your original module label and VIN if you are unsure about fitment.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCommon Gateway Module Failure Symptoms\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Gateway Module serves as an important communication point between multiple vehicle networks. A defective gateway can therefore create problems that appear to involve several unrelated systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCommon symptoms can include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMultiple warning lights appearing at the same time\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMultiple control module communication DTCs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003eCAN bus communication faults\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDiagnostic scanner unable to communicate with certain modules\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDiagnostic scanner unable to perform a complete vehicle scan\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModules intermittently appearing offline\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIntermittent electrical problems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInstrument cluster warning messages\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStarting or intermittent no-start complaints\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIgnition\/electrical systems behaving intermittently\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBattery drain or modules remaining awake\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVehicle systems failing to enter sleep mode correctly\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLoss of communication between different CAN networks\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVarious accessories or vehicle functions becoming unavailable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNumerous seemingly unrelated fault codes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGateway completely offline\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWater or moisture-damaged gateway\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInternal processor or memory failure\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA failed Gateway can sometimes make the vehicle appear to have \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003emultiple bad control modules when the underlying problem is actually network communication through the Gateway.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eProper diagnosis is strongly recommended before ordering.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Low battery voltage, wiring damage, corrosion, CAN bus faults, poor grounds, damaged connectors, or another defective control module can produce similar symptoms.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSupported Gateway Variants\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis service currently supports:\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMercedes-Benz W204 \/ W212\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e1L15Y\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e3M25J\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDepending on the module, our service can include transfer of the applicable:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eEEPROM data\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFLASH data\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOriginal vehicle configuration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModule-specific information required for the replacement\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eHow It Works\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003e1. Purchase the Service\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePlace your order through our website.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e2. Mail Us Your Original Gateway\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eRemove and securely ship us your original Gateway Module.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eYou do not need to purchase or send us a donor module.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e3. We Provide the Replacement\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eLacorte Automotive supplies an appropriate \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eremanufactured Gateway Module\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e compatible with your original unit.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e4. We Transfer Your Original Data\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eApplicable EEPROM, FLASH and vehicle-specific configuration data is transferred from your original module to the replacement.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e5. Tested \u0026amp; Verified\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe replacement module is bench checked and verified before leaving our facility.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e6. We Ship It Back\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYour completed remanufactured Gateway Module is securely packaged and shipped back to you for installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch1\u003e\u003cspan\u003eTypical 1–2 Business Day Turnaround\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWe understand that network communication problems can leave a Mercedes-Benz difficult to diagnose or completely unusable.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThat's why \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eLacorte Automotive pushes for a typical 1–2 business day turnaround after we receive your original module\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, subject to the condition of the original and replacement availability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eOur goal is to get the replacement completed and back on its way to you as quickly as possible.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch1\u003e\u003cspan\u003e3-Year Warranty Included\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYour remanufactured replacement Gateway Module is backed by our \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3-Year Warranty\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e against defects in the supplied remanufactured module and our workmanship, subject to our applicable warranty terms.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWe stand behind the electronics we supply and the work we perform.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat's Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCompatible remanufactured Gateway Module\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApplicable EEPROM data transfer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApplicable FLASH data transfer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTransfer of applicable original vehicle configuration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProfessional bench programming\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTesting and verification\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003cspan\u003e3-Year Warranty\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eTypical \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1–2 business day turnaround after receipt\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eYOU SEND:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eYour original Gateway Module\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWE PROVIDE:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eThe compatible remanufactured replacement module\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eYOU RECEIVE:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eA programmed, tested replacement Gateway Module backed by our 3-Year Warranty\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eProof of Ownership Required\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBecause automotive control modules may contain vehicle-specific configuration and security-related information, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eproof of vehicle ownership is required before service is performed.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePlease provide:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eGovernment-issued photo ID\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVehicle title or current registration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVehicle VIN\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDocumentation must correspond with the vehicle being serviced.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eImportant — Please Read Before Ordering\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003email-in remanufactured replacement service.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCompatibility depends on your exact Gateway \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003epart number, processor, hardware version, software version and vehicle configuration.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIf the required information cannot be recovered from your original module because of severe physical, electrical or memory damage, additional programming or vehicle-side work may be required. We will contact you if the normal service cannot be completed.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eNot Sure If Yours Is Compatible?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSend us:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eClear photo of the original module label\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVehicle year\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVehicle model\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVIN\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWe'll help verify compatibility before you send your module.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eLacorte Automotive\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003e\u003cspan\u003eProfessional Automotive Electronics • Fast Turnaround • Quality Remanufactured Modules\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMercedes-Benz W204 \/ W212 Gateway Module Replacement\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003e1L15Y \u0026amp; 3M25J • Remanufactured • Programmed • Tested\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eYou Send Your Original • We Provide the Replacement • 3-Year Warranty • Typical 1–2 Business Day Turnaround\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"LaCorte Automotive","offers":[{"title":"Default Title","offer_id":44175960997966,"sku":null,"price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/9442\/8494\/files\/ChatGPTImageAug15_2026_03_54_02AM.png?v=1786784082","url":"https:\/\/lacorteautomotive.com\/products\/mercedes-benz-w204-w212-gateway-module-remanufactured-replacement-1l15y-3m25j-3-year-warranty","provider":"LaCorte Automotive","version":"1.0","type":"link"}