AUTOOL 42 CM Car OBD2 Reinforced Nylon Extension Cord 38PIN TO 16PIN Male to Female Cable for Benz
US$16.00
- Benz 38-Pin Fit
- Reinforced Nylon
- 42 cm Extension
- Benz 38-Pin Fit: Designed for Benz-style 38-pin diagnostic ports that need a 16-pin OBD2 connection.
- Reinforced Nylon: The reinforced nylon cable build supports repeated workshop handling better than a basic loose lead.
- 42 cm Extension: Adds working length to move the diagnostic connection into an easier testing position.
Product Overview
The AUTOOL Benz 38 pin to 16 pin OBD2 extension cable is a reinforced nylon adapter cable for Mercedes-Benz vehicles equipped with a 38-pin diagnostic interface. It provides a physical connection from the vehicle’s 38-pin diagnostic port to a compatible 16-pin OBD2 diagnostic tool, with a 420mm cable length, all-copper wiring, and thicker 7.00mm cable protection.
Click to enlargeKey Features
This adapter cable focuses on stable physical connection, stronger cable protection, flexible workshop use, and reliable signal transmission when used with compatible diagnostic equipment.
38 Pin To 16 Pin Adapter
Connects a Mercedes-Benz 38-pin diagnostic interface to a compatible 16-pin OBD2 diagnostic tool. It adapts the connector shape; the scanner must still support the target vehicle system.
Reinforced Nylon Outer Layer
The strengthened nylon material helps improve wear resistance, flexibility, waterproof protection, high-temperature resistance, and anti-aging performance for daily workshop handling.
All-Copper Wire Core
The all-copper internal wire structure helps achieve stable and reliable data transmission between the vehicle interface and the diagnostic tool.
Thicker 7.00mm Cable
The AUTOOL OBD cable uses a 7.00mm diameter cable, thicker than ordinary 5.00mm OBD cables shown in the comparison material.
135g Reinforced Build
The cable weighs about 135g, compared with ordinary 80g cable examples shown in the product material, helping provide a stronger hand feel and protection layer.
Flexible Workshop Use
The 420mm / 16.53in cable length helps extend the connection between the vehicle diagnostic port and the scan tool without adding excessive cable bulk.
Compatibility And Fitment
Use this cable only when the vehicle has a Mercedes-Benz 38-pin diagnostic interface and your diagnostic tool supports the vehicle model, system, and communication protocol.
Click to enlargeAUTOOL Benz 38 Pin OBD2 Cable Specifications
Check the cable length, connector dimensions, net weight, material, diameter, and supported interface type before ordering.
| Core Specifications | |
| Product Name | AUTOOL 42CM Car OBD2 Reinforced Nylon Extension Cord |
| Connector Type | Benz 38 Pin to 16 Pin OBD2, male to female cable |
| Vehicle Interface | Mercedes-Benz 38-pin car diagnostic interface |
| Product Type | Adapter extension cable, not a diagnostic scanner |
| Cable Length | 420mm / 16.53in |
| 16-Pin Connector Width | About 40mm / 1.57in |
| 38-Pin Connector Diameter | About 33mm / 1.3in |
| Net Weight | 135g |
| Material | Reinforced nylon outer material |
| Cable Diameter | 7.00mm |
| Wire Core | All-copper wire |
| Highlighted Protection | Flexible, anti-scalding, waterproof, anti-aging, high-temperature resistant, double protection |
| Warranty | 3 years warranty support shown in product material |
Core Specifications
Before You Order And Use
This cable is a physical adapter for Benz 38-pin diagnostic interfaces. Confirm both the vehicle connector and the diagnostic tool support before purchase.
Adapter Cable Only
This product is not a diagnostic scanner. It must be used together with a compatible diagnostic tool.
No Protocol Conversion
The cable only changes the physical connector. It does not convert old Mercedes-Benz communication protocols into standard OBD2 protocols.
Confirm The 38-Pin Port
Check that your vehicle has a Mercedes-Benz 38-pin diagnostic interface. Vehicles with a standard 16-pin OBD port may not need this adapter.
Scanner Support Required
Your diagnostic scanner must support the target Mercedes-Benz model, year, control unit, and system to read data correctly.
Do Not Force The Connector
Align the connector correctly before plugging it in. Do not force it into an incompatible or damaged diagnostic port.
Keep Pins Clean
The cable material is promoted as waterproof and durable, but the connector pins should still be kept clean, dry, and free from debris before use.
Questions And Answers
These answers cover scanner compatibility, Mercedes-Benz 38-pin interface support, connector direction, cable size, material, protocol limitations, and warranty support.
No. This product is a Benz 38 pin to 16 pin OBD2 adapter extension cable. It does not diagnose faults by itself. You still need a compatible diagnostic scanner.
It is designed for Mercedes-Benz vehicles equipped with a 38-pin car diagnostic interface. Confirm your vehicle diagnostic port before ordering.
The cable is a 38-pin to 16-pin male-to-female adapter cable. The 38-pin side shows male pins, and the 16-pin side provides an OBD2-style female connector for a compatible scan tool.
No. It only adapts the physical connector. It does not convert vehicle communication protocols or add diagnostic functions. Your scanner must support the Mercedes-Benz model and system you want to test.
Use a diagnostic tool that supports the target Mercedes-Benz vehicle, year, control unit, and diagnostic protocol. The cable only helps connect the 38-pin vehicle port to the 16-pin tool side.
The cable length is 420mm / 16.53in. The 16-pin connector is about 40mm / 1.57in wide, and the 38-pin round connector is about 33mm / 1.3in in diameter.
The cable uses reinforced nylon outer material and an all-copper wire core. The product material highlights flexibility, waterproof protection, high-temperature resistance, anti-aging performance, and double protection.
The product comparison shows a 135g AUTOOL reinforced nylon cable and a 7.00mm cable diameter, compared with ordinary cable examples showing 80g weight and 5.00mm cable diameter. The reinforced nylon material is designed to reduce cracking during normal use.
Check that your vehicle has a Mercedes-Benz 38-pin diagnostic interface, confirm your diagnostic tool has the correct 16-pin connection, and confirm that your scanner software supports the vehicle model and diagnostic system.
The product material shows 3 years warranty and lifetime maintenance information. For compatibility confirmation, order support, warranty details, or after-sales help, contact AUTOOL Store support.
Warranty And Contact
Contact AUTOOL Store if you need help confirming your Mercedes-Benz 38-pin diagnostic interface, 16-pin scanner connection, vehicle compatibility, or warranty support before ordering.
Pre-Sales And Cable Support
Use support if you are unsure whether this Benz 38 pin to 16 pin OBD2 cable fits your vehicle interface or diagnostic tool. Share your vehicle model, diagnostic port photo, and scanner model for faster confirmation.
- Mercedes-Benz 38-pin diagnostic interface confirmation
- 16-pin diagnostic scanner connection confirmation
- Connector direction and cable size confirmation
- Protocol limitation explanation before ordering
- 3-year warranty support and lifetime maintenance information
- Order, accessory, and after-sales support



















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