Mercedes SD Connect C4 OBD2 Diagnostic Cable 16 Pin Adapter for Xentry Systems

Mercedes SD Connect C4 OBD2 Diagnostic Cable for Stable Vehicle Diagnostics

• ✔ Robust workshop quality for daily diagnostic use
• ✔ Clean signal transmission between vehicle and SD Connect C4
• ✔ Precisely manufactured OBD2 connectors for secure contact
• ✔ High-quality shielding against interference in workshop operation
• ✔ Developed for professional Mercedes-Benz diagnostic environments

This Mercedes SD Connect C4 OBD2 diagnostic cable connects the vehicle's 16-pin OBD2 interface to the SD Connect C4 multiplexer. It serves as a reliable connection cable for workshops, diagnostic centers, and technicians who rely on stable communication links.

This item is an adapter or connection cable and not a diagnostic device or scanner.

Compatibility and Application

The adapter cable was developed for use with Mercedes-Benz SD Connect C4 diagnostic units. The connection is made via the standardized 16-pin OBD2 interface.

Compatibility is model and system dependent. The connection cable is suitable for diagnostic environments with Xentry, DAS, and other common Mercedes-Benz workshop diagnostic systems.

• Mercedes-Benz SD Connect C4
• OBD2 16-pin vehicle connection
• Workshop and diagnostic systems with Xentry environment
• Use as a replacement cable or additional workshop cable

Why high-quality diagnostic cables are crucial

Stable signal transmission is essential for diagnostic work. Inferior OBD adapters or poorly manufactured diagnostic cables can cause communication breakdowns, leading to faulty diagnostic sessions or interrupted ECU access.

Especially with CAN bus communication, K-Line signals, or longer diagnostic processes, the quality of the connectors plays a central role.

Clean signal transmission in daily workshop use

The diagnostic cable ensures a reliable connection between the vehicle and the diagnostic hardware. Precise contact pins support stable data communication even with frequent plugging and unplugging.

Especially with sensitive control units, a poor connection can lead to communication errors. High-quality contacts minimize contact resistance and improve connection security.

Shielding against electrical interference

Workshop environments contain numerous electrical consumers and sources of interference. Clean shielding of the connection cable reduces electromagnetic influences and supports constant data transmission.

This ensures that communication between the OBD2 port and the SD Connect C4 remains stable even during longer diagnostic procedures.

Robust construction for professional diagnostic work

The OBD2 adapter cable was designed for regular workshop use. Resistant plug housings and durable cables increase the service life with daily use.

Stable plug connections

The precisely fitting OBD2 connectors ensure a secure hold during diagnosis. Mechanically precisely manufactured connectors reduce loose connections and improve signal stability.

Suitable for diagnostic and coding environments

The connection cable is suitable for professional diagnostic environments where a stable physical connection is required.

The cable itself does not perform any diagnostic functions. The available functions depend on the diagnostic device used, the software, and the respective vehicle control unit.

Typical applications of the Mercedes OBD2 connection cable

• Workshop diagnostics on Mercedes-Benz vehicles
• Connection between SD Connect C4 and OBD2 vehicle port
• Replacement for damaged diagnostic cables
• Additional workshop cable for diagnostic stations
• Professional diagnostic and communication environments

Important note on compatibility

Compatibility is vehicle-dependent, system-dependent, and ECU-dependent. Before purchasing, it should be checked whether the diagnostic system used is compatible with the existing vehicle connection.

This product serves exclusively as a physical connection cable between the vehicle and diagnostic hardware.

Free shipping from €50 (Germany) – within the EU from €100

Delivery

Delivery is made to the delivery address provided by the customer during the ordering process. By way of exception, where PayPal is selected as the payment method, the delivery address stored with PayPal at the time of payment is decisive.

If delivery to the customer was not possible and the transport company returns the goods to the seller, the customer bears the costs of the unsuccessful delivery. This does not apply where the customer exercises their right of withdrawal by refusing acceptance, where they are not responsible for the circumstance that made delivery impossible, or where they were temporarily prevented from accepting the goods – unless the seller had given them reasonable advance notice of the delivery.

Shipping costs

• Germany: free from an order value of €50, below that €3.99
• European Union: free from an order value of €100, below that €14.99
• Switzerland: €20.00
• United Kingdom: GBP 20.00

Delivery area and delivery time

We deliver to Germany, to the 26 other countries of the European Union and to Switzerland and the United Kingdom. We are currently unable to deliver to other countries.

For deliveries to Switzerland and the United Kingdom, customs duties, import taxes or other charges may be incurred in addition; these are borne by the customer.

The delivery time within Germany is usually 1–3 working days.

Payment methods

You can pay by credit card (Visa, Mastercard, Maestro), PayPal, Klarna (purchase on account or instalments), Shop Pay, Apple Pay, Google Pay, advance payment by bank transfer or cash on delivery.

Cash on delivery is only available for deliveries within Germany from an order value of €50. An additional fee of €9.99 is charged for it.

Digital licences and activations

Update licences, secure gateway activations and HaynesPro access are digital goods. No shipping costs apply – you will receive the activation code by email once payment has been received, usually within 1–3 working days.

If the licence is tied to a device, enter your device’s serial number directly in the order form when purchasing. That way we can set up the activation for your device without further enquiries.

Please note: for digital licences the right of withdrawal expires as soon as we have begun providing the item and you have expressly agreed to this beforehand. For devices and all other goods, the statutory right of withdrawal applies unchanged.