{"product_id":"mercedes-diagnosekabel-38pin-obd1-sd-connect-c4","title":"Mercedes Benz SD CONNECT C4 38Pin OBD1 OBD2 Star diagnosis ","description":"\u003ch2\u003eConnection cable for Mercedes Benz Star Diagnosis SD Connect C4 38-pin OBD1\u003c\/h2\u003e\n\n\n\u003cp\u003e This \u003cstrong\u003econnection cable\u003c\/strong\u003e is specifically designed for the \u003cstrong\u003eMercedes-Benz Star Diagnosis SD Connect C4\u003c\/strong\u003e with \u003cstrong\u003ea 38-pin OBD1\u003c\/strong\u003e connector. It's perfect for replacing your faulty cable or keeping it on hand as an extra cable for \u003cstrong\u003ediagnostic use\u003c\/strong\u003e .\u003c\/p\u003e\n\n\n\u003ch2\u003e Product details\u003c\/h2\u003e\n\n\n\u003cp\u003e Please note: \u003cstrong\u003eOnly the diagnostic cable is offered\u003c\/strong\u003e , without any additional components or software. This cable is ideal for use in a system that uses \u003cstrong\u003eDAS\u003c\/strong\u003e , \u003cstrong\u003eWIS\/ASRA\u003c\/strong\u003e and \u003cstrong\u003eEPC\u003c\/strong\u003e based on Xentry.\u003c\/p\u003e\n\n\n\u003ch3\u003e Features of the Mercedes Benz diagnostic cable\u003c\/h3\u003e\n\n\n\u003cul\u003e\n\n\u003cli\u003e High-quality workmanship for long-lasting use\u003c\/li\u003e\n\n\u003cli\u003e Suitable for professional \u003cstrong\u003eMercedes Benz Star Diagnosis\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e Optimal compatibility with \u003cstrong\u003eSD Connect C4\u003c\/strong\u003e and \u003cstrong\u003e38-pin OBD1\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\t \u003cli\u003eIt connects seamlessly to systems running on \u003cstrong\u003ethe Xentry\u003c\/strong\u003e platform.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003ch2\u003e Why choose our Mercedes Benz Star Diagnosis cable?\u003c\/h2\u003e\n\n\n\u003cp\u003e Our \u003cstrong\u003ediagnostic cables\u003c\/strong\u003e for Mercedes-Benz are made from high-quality materials and are characterized by \u003cstrong\u003efirst-class quality\u003c\/strong\u003e and \u003cstrong\u003edurability\u003c\/strong\u003e . Rely on a safe and stable connection for your vehicle diagnostics.\u003c\/p\u003e\n\n\n\u003ch3\u003e Order your diagnostic cable for the Mercedes-Benz Star Diagnosis now.\u003c\/h3\u003e\n\n\n\u003cp\u003e This connection cable provides a reliable solution for your \u003cstrong\u003eMercedes-Benz diagnostic tools\u003c\/strong\u003e . Order today and benefit from our high-quality products and excellent customer service!\u003c\/p\u003e\n\n\n\u003ch2\u003e Technical background information on the 38-pin OBD1 interface\u003c\/h2\u003e\n\n\n\u003ch3\u003e Development of manufacturer-specific diagnostic ports\u003c\/h3\u003e\n\n\n \u003cp\u003eBefore the introduction of the standardized OBD2 system, Mercedes-Benz used its own 38-pin OBD1 diagnostic interface in the engine compartment. This round connector allows access to various control units such as the engine control unit, transmission control unit, ABS\/ESP systems, as well as comfort and body control units. The connection cable offered here provides the physical link between this vehicle-specific interface and the \u003cstrong\u003eSD Connect C4\u003c\/strong\u003e unit.\u003c\/p\u003e\n\n\n\u003ch3\u003e Signal transmission and communication protocols\u003c\/h3\u003e\n\n\n \u003cp\u003eUnlike modern CAN-based OBD2 systems, many older models use K-wire or manufacturer-specific diagnostic protocols. The 38-pin OBD1 cable must therefore ensure stable and lossless signal transmission. High-quality shielding reduces interference, while precisely manufactured contacts ensure reliable communication between the vehicle and the diagnostic system. An uninterrupted data connection is essential, especially for ECU adaptations or coding.\u003c\/p\u003e\n\n\n\u003ch2\u003e Workshop benefits and practical applications\u003c\/h2\u003e\n\n\n\u003ch3\u003e Use in professional diagnostic practice\u003c\/h3\u003e\n\n\n \u003cp\u003eIn independent workshops and specialized Mercedes-Benz dealerships, the \u003cstrong\u003eMercedes-Benz Star Diagnosis system\u003c\/strong\u003e remains a key tool. A functioning connection cable is essential, especially for older models with a 38-pin OBD1 connector. Reading fault codes, checking live data, performing actuator tests, or resetting service functions – all these processes require a stable physical connection.\u003c\/p\u003e\n\n\n\u003ch3\u003e Support with repair and maintenance\u003c\/h3\u003e\n\n\n\u003cp\u003e During complex repairs, such as those involving engine management or automatic transmission problems, the cable provides access to detailed diagnostic data. In combination with \u003cstrong\u003eDAS\u003c\/strong\u003e , specific test programs can be initiated, while \u003cstrong\u003eWIS\/ASRA\u003c\/strong\u003e provides technical documentation and repair instructions. The cable thus forms the basis for structured troubleshooting and reduces unnecessary parts replacement.\u003c\/p\u003e\n\n\n\u003ch3\u003e Backup via spare or secondary cable\u003c\/h3\u003e\n\n\n \u003cp\u003eEspecially in workshop settings, it's advisable to keep an extra connection cable on hand. A damaged or worn cable can lead to communication interruptions, increase diagnostic times, and in the worst case, interrupt coding processes. A high-quality replacement cable ensures that diagnostic operations can continue without interruption.\u003c\/p\u003e\n\n\n\u003ch2\u003e Software and system integration based on Xentry\u003c\/h2\u003e\n\n\n\u003ch3\u003e Compatibility with SD Connect C4\u003c\/h3\u003e\n\n\n\u003cp\u003e The \u003cstrong\u003eSD Connect C4\u003c\/strong\u003e acts as a multiplexer between the vehicle and the diagnostic computer. The 38-pin OBD1 connection cable ensures the physical connection to older Mercedes models. The C4 unit is connected to the diagnostic laptop running \u003cstrong\u003eXentry\u003c\/strong\u003e or \u003cstrong\u003eDAS\u003c\/strong\u003e via LAN or WLAN. The system architecture can only achieve its full potential with a fault-free cable connection.\u003c\/p\u003e\n\n\n\u003ch3\u003e Interaction with DAS, WIS\/ASRA and EPC\u003c\/h3\u003e\n\n\n \u003cp\u003e\u003cstrong\u003eDAS\u003c\/strong\u003e enables model- and series-specific diagnostic functions, while \u003cstrong\u003eWIS\/ASRA\u003c\/strong\u003e provides repair information and labor values. The \u003cstrong\u003eEPC\u003c\/strong\u003e assists in identifying the correct spare parts using the chassis number. The connecting cable is therefore not an isolated accessory, but an integral component of a comprehensive Xentry-based diagnostic system.\u003c\/p\u003e\n\n\n\u003ch3\u003e Hardware quality as a basis for stable software processes\u003c\/h3\u003e\n\n\n\u003cp\u003e Diagnostic software can only function as reliably as the underlying hardware. Inferior cables lead to contact problems, voltage drops, or unstable data transmission. This connection cable is designed for continuous use in workshop environments and thus supports stable flashing and coding processes where a constant data connection is essential.\u003c\/p\u003e\n\n\n\u003ch2\u003e Recommended Mercedes models for use with 38-pin OBD1\u003c\/h2\u003e\n\n\n\u003ch3\u003e Typical model series with 38-pin diagnostic connector\u003c\/h3\u003e\n\n\n \u003cp\u003eThis connection cable is particularly suitable for older Mercedes-Benz models that do not yet have the standardized 16-pin OBD2 interior connector. These include, among others:\u003c\/p\u003e\n\n\n\u003cul\u003e\n\n\u003cli\u003e Mercedes-Benz C-Class W202\u003c\/li\u003e\n\n\u003cli\u003e Mercedes-Benz E-Class W210\u003c\/li\u003e\n\n\u003cli\u003e Mercedes-Benz S-Class W140\u003c\/li\u003e\n\n\u003cli\u003e Mercedes-Benz SL R129\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003ch3\u003e Clear recommendation: Mercedes-Benz E-Class W210\u003c\/h3\u003e\n\n\n\u003cp\u003e The \u003cstrong\u003eMercedes-Benz E-Class W210\u003c\/strong\u003e deserves special mention. This model series combines extensive electronic systems with the classic 38-pin OBD1 diagnostic connector in the engine compartment. For workshops that regularly service or repair vehicles of this generation, the connection cable in combination with the \u003cstrong\u003eSD Connect C4\u003c\/strong\u003e is virtually indispensable. Diagnostics here encompass not only engine and transmission control units, but also comfort and safety systems, making a reliable data connection absolutely essential.\u003c\/p\u003e\n\n\n\u003ch3\u003e Differentiation from newer OBD2 vehicles\u003c\/h3\u003e\n\n\n \u003cp\u003eNewer Mercedes models with a 16-pin OBD2 connector in the interior do not require this 38-pin OBD1 cable. Therefore, you should check before purchasing whether your vehicle actually has the round 38-pin diagnostic connector. Technical compatibility with your vehicle type is crucial for efficient diagnostics.\u003c\/p\u003e\n\n\n\u003ch2\u003e A technically sound investment for professional Mercedes diagnostics\u003c\/h2\u003e\n\n\n\u003cp\u003e A high-performance diagnostic system consists not only of software and a multiplexer, but also of high-quality connection technology. The connection cable for the \u003cstrong\u003eMercedes-Benz Star Diagnosis SD Connect C4 38-pin OBD1\u003c\/strong\u003e is a key component in the diagnostic process for older Mercedes models. It ensures stable communication, supports precise fault finding, and significantly contributes to efficiency in everyday workshop operations.\u003c\/p\u003e\n\n\n \u003cp\u003eFor businesses that regularly service vehicles with a 38-pin OBD1 connector, this cable is not an optional add-on, but an essential tool. Its combination of robust construction, optimal compatibility with Xentry-based systems, and precise fit makes it a well-designed solution for professional applications.\u003c\/p\u003e\n\n","brand":"Mercedes Benz","offers":[{"title":"Default Title","offer_id":48227905536305,"sku":"SW10120","price":119.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0855\/8723\/1025\/files\/unbekannt_1a2e5653-2ab9-4f3b-8871-e43ccb9f9aaf.jpg?v=1742932333","url":"https:\/\/auto-diagnostik.de\/en\/products\/mercedes-diagnosekabel-38pin-obd1-sd-connect-c4","provider":"auto-diagnostik","version":"1.0","type":"link"}