Mercedes Benz 38 Pin to OBD2 16 Pin Diagnostic Adapter Cable

Mercedes Benz 38-Pin to OBD2 16-Pin Diagnostic Adapter Cable

Connect your standard OBD2 diagnostic scanner to older Mercedes-Benz vehicles with ease using this purpose-built 38-pin to 16-pin adapter cable. Designed specifically for Mercedes-Benz models equipped with a 38-pin diagnostic socket, this compact adapter bridges the gap between your modern OBD2 scan tool and your vehicle — no guesswork, no compatibility headaches.

Whether you're a DIY mechanic or a professional technician, this reliable adapter lets you read fault codes, monitor live data, and run diagnostics on your Mercedes-Benz without investing in expensive proprietary equipment.

Key Features

• Universal Compatibility: Connects any standard OBD2 (16-pin) diagnostic tool to Mercedes-Benz vehicles with a 38-pin diagnostic port.
• Durable Construction: Made from sturdy black plastic with solid connector housings for a secure, reliable fit every time.
• Compact & Lightweight: Only 30cm in length and 105g — easy to carry in your toolbox or glovebox.
• CE Certified: Meets CE external testing certification standards for quality assurance.
• Plug & Play: No power source, batteries, or software required — just plug in and start diagnosing.
• Adapter Only: This is a connector cable, not a diagnostic tool — works with your existing OBD2 scanner.

Specifications

• Connector Type: 38-Pin (Mercedes-Benz) to OBD2 16-Pin
• Total Length: 30 cm
• Net Weight: 105g
• Color: Black
• Material: Plastic
• Certification: CE
• Country of Origin: Made in Mainland China

What's in the Box

• 1× Mercedes-Benz 38-Pin to OBD2 16-Pin Adapter Cable

For more information on OBD diagnostic standards and vehicle emissions diagnostics, visit the U.S. EPA On-Board Diagnostics (OBD) resource page.

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Frequently Asked Questions

Q: Which Mercedes-Benz vehicles is this 38-pin to OBD2 adapter cable compatible with?

A: This adapter is designed for older Mercedes-Benz vehicles that use a 38-pin diagnostic socket rather than the modern standard 16-pin OBD2 port. It is typically compatible with Mercedes-Benz models manufactured before the widespread adoption of the OBD2 standard (generally pre-2000 models). Check your vehicle's diagnostic port type before purchasing to confirm compatibility.

Q: Does this cable work as a diagnostic tool on its own?

A: No — this is a connector adapter cable only. It allows you to connect your existing OBD2 16-pin diagnostic scanner or code reader to a Mercedes-Benz 38-pin port. You will still need a compatible OBD2 scan tool to perform vehicle diagnostics.

Q: How long is the Mercedes-Benz 38-pin to OBD2 adapter cable?

A: The cable has a total length of 30 cm (approximately 12 inches), making it compact enough for easy storage while providing sufficient reach for a comfortable connection in most vehicle diagnostic port locations.

Q: Is the 38-pin OBD2 adapter cable easy to use?

A: Yes! Simply plug the 38-pin end into your Mercedes-Benz vehicle's diagnostic port and connect the 16-pin OBD2 end to your scan tool. No software, batteries, or installation required — it's a true plug-and-play adapter.