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The Mercedes certified plugs on our BSIS loom

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MERCEDES SPRINTER BLIND SPOT INFORMATION SYSTEM WIRING LOOM

We are the only Mercedes UK approved manufacturer of the Blind Spot Information System (BSIS) wiring loom.

Designed specifically for installing the Blind Spot Information System (BSIS) into the Mercedes Sprinter Van, our wiring loom is the only harness approved by the Mercedes UK Bodybuilder programme for this purpose. Our harness is thoroughly tested, expertly engineered and carefully manufactured to make installation of the Blind Spot sensor quick, easy and reliable.

Customisable for your applications

As a fully-equipped design and manufacturing company, we can offer customisation to suit your needs. 

We can help with a range of changes, including:

  • Standard and bespoke lengths

  • Various coverings to protect the harness

  • Changes to help install the BSIS in tight spaces

  • Harnesses suitable for old and new model BSIS

The full loom coiled into a circle

Buy the BSIS loom online

We've added the Blind Spot Information System wiring loom to our online store. Now, you can easily purchase the harness via card.*

*Only available for UK customers.


Buy now

Order from our sales team

Find out more about the BSIS, make an account with us, request custom lengths and sizes or get the BSIS shipped outside the UK by contacting our sales team today. 


Contact us

Why Mercedes UK trusts us to craft this wiring harness


We use high-quality materials without increasing cost

For us, low cost doesn't mean low quality. We optimise our efficiency to keep cost low, meaning we never compromise on long-lasting, durable materials that meet Mercedes standards for quality.


–> Find out more about our material procurement and supply


We design our looms to be easy to install

We're leaders in developing plug-and-play wiring harnesses, systems and assemblies. We believe electrical installation should be quick and reliable.

With this harness, you can install the Mercedes sensor in a matter of minutes.


–> Find out more about our plug-and-play expertise 


We ensure every harness undergoes rigorous testing

Every wiring harness made by Brucom is tested for electrical connectivity, resistivity, and visual defects before shipping. 

Harnesses are built in accordance with ISO 9001:2015 standards, ensuring we provide the best quality products and services every single time.


–> Our dedication to quality and our testing and inspection services

Orange overmoulded connectors on the BSIS loom

Installing the blind spot assist system to your Mercedes Sprinter Van

We supply most of the UK commercial automotive market because we are reliable and work hard to keep costs fair. Explore some commonly asked questions to find out more about the Mercedes BSIS and our harness.


You use this harness to install the blind spot assist system into your Sprinter van. Our harness is designed to be easy to install. No soldering or invasive installation required.

When you purchase the BSIS, we will send you an installation manual with a step by step guide making installation quick and stress free.

Yes. We ship multiple versions of the BSIS for different generations of the Sprinter. If you purchased one of our previous versions that no longer works for your fleet, we can help you retrofit the harness to ensure it works for you. 

Contact us today for support with complex issues and we will do our best to help you.

Yes. We can ship to any corner of the world, you just need to make an order with our sales team (you cannot order for international shipping via our online store at the moment). Cost of shipping depends on location, but we work with our couriers to keep cost as low as possible. Contact us today for a quote.

Everything we design and build is made in our facility in the UK. We are proud to a be a British manufacturer, and carry the torch of British quality innovation in every product we make.



Want to know more about our automotive services?

Safety Systems

We don't just make the BSIS harness; we design and craft whole safety systems for the automotive industry. Find out more about our sensors, detectors and assemblies, custom designed to suit our partners' specific needs.

Find out more about this product  

Automotive wiring

We engineer and manufacture a wide range of products for the commercial automotive industry, from PDUs to lighting assemblies. We also stock a range of third-party components on our online shop, crafted specifically for automotive applications.


Explore our automotive expertise 

Engineering blueprints lying on the workbench alongside pens and tools for reverse engineering a product

Engineering and system design

Our expert engineers can redesign, reverse engineer or design a new system from scratch based on your needs and applications. We offer full documentation and fast prototyping.

 Discover our engineering services