26Pin Black Wire Harness Connector with Terminals Automotive Connector for Select Mercedes Benz Car – Reliable Aftermarket Audio Integration Solution

The TS30279-26P-21 is a 26-position female wire-to-wire connector housing designed for seamless integration with factory audio systems in select Mercedes-Benz vehicles. As the female counterpart to the male plug TS30279-26P-11, this black-colored connector enables a clean, plug-and-play interface between original vehicle wiring and aftermarket stereo units. This design eliminates the need for splicing or cutting factory harnesses, preserving the vehicle’s electrical integrity and allowing for easy reversibility or future upgrades. It supports full signal transmission across speaker lines, power circuits, ground paths, illumination signals, and steering wheel control inputs, ensuring complete functionality after head unit replacement.

Engineered for automotive durability, the TS30279-26P-21 features a robust locking tab and precision terminal cavities that prevent accidental disconnection and maintain stable Electrical Contact under constant vibration. The black housing provides excellent UV resistance and blends well with modern vehicle harness layouts, reducing visibility in tight dashboard spaces. Commonly used in custom audio harness kits, this connector is ideal for professional installers and DIY enthusiasts seeking a high-quality, long-lasting solution for vehicle audio upgrades in passenger cars, marine yachts, UTVs, and off-road equipment.

Product Specifications

• Model Number: TS30279-26P-21

• Connector Gender: Female

• Number of Positions: 26 Pins

• Housing Color: Black

• Mating Plug: TS30279-26P-11 (Male)

• Housing Material: PBT+GF15% or PA66+GF30%

• Terminal Material: Copper Alloy / Brass / Phosphor Bronze

• Primary Application: Mercedes-Benz Audio Harness Adapter

• Compliance: IATF 16949, ISO14001, RoHS

• Quality Assurance: 100% Inspected Before Shipment

• Minimum Order: 1,000 Pieces

• Production Time: 2–15 Days

Black Housing for Modern Vehicle Integration

The black housing of the TS30279-26P-21 is specifically designed to match the color scheme of modern OEM wiring harnesses found in many Mercedes-Benz models. This ensures a discreet, professional installation that blends seamlessly with existing components. The dark finish also helps conceal dust and minor scuffs, maintaining a clean appearance over time. With precise alignment ribs and a secure latch mechanism, this connector ensures a tight, rattle-free connection that withstands continuous engine vibration and thermal cycling, making it ideal for long-term use in demanding automotive environments.

Durable Materials for Long-Term Performance

Constructed from reinforced engineering plastics—PBT+GF15% or PA66+GF30%—this female connector offers excellent resistance to heat, impact, and chemical exposure. These materials maintain structural integrity across a wide temperature range (-40°C to +120°C), preventing warping or cracking. The internal terminals are made from high-conductivity copper alloy, brass, or phosphor bronze, ensuring low electrical resistance, strong signal transmission, and resistance to oxidation. This combination of materials makes the TS30279-26P-21 suitable for use in harsh conditions such as marine audio systems, off-road vehicles, and high-mileage luxury sedans where reliability is essential.

OEM & ODM Customization Services

We offer full custom manufacturing support for companies developing branded audio kits or specialized wiring solutions. From mold creation and material selection to packaging and labeling, our team provides end-to-end support. Whether you need a modified version of this connector or a completely new design, we offer rapid prototyping, scalable production, and strict quality control to deliver reliable, market-ready components tailored to your specifications.

Compliance and Quality Assurance

All units are manufactured in compliance with IATF 16949 (automotive quality management), ISO14001 (environmental standards), and RoHS (restriction of hazardous substances). Each connector undergoes 100% inspection before dispatch to verify terminal placement, housing integrity, color accuracy, and mating performance. This ensures consistent quality and reliability for every customer, whether ordering samples or large-volume production runs.

Need Help Confirming Fitment?

Unsure if this connector matches your vehicle? Compare it with reference images or send us a photo of your factory harness. Our technical team will quickly verify compatibility. Can't find the exact part you need? Contact us at mandy@tscn.com.cn—we specialize in sourcing and manufacturing custom connectors for unique vehicle platforms and industrial applications.

About TSCN – Automotive Electrical Components Specialist

Zhejiang Tongsheng Electronic Co., Ltd. (TSCN) is a trusted manufacturer of precision automotive connectors with over 25 years of industry experience. We specialize in audio interface solutions, wire harness components, and customized electrical connectors for vehicles worldwide. Our products are engineered for durability, precision, and compatibility, serving distributors, installers, and OEM partners in the global automotive aftermarket.

Request a Quote or Sample Today

For datasheets, pinout diagrams, sample units, or bulk pricing information, please contact our sales team at mandy@tscn.com.cn. We offer fast response times and expert guidance to help you select the right components for your projects.