Velidy 2 PCS Fiber Most Optical Optic Loop Bypass Male Female Adapter for Benz Audi Mercedes BMW VW Porsche

Perfect fit for my 2008 Mercedes E350 (w211). DVD Nav was not working and later determined to be the cause of a battery drain (car will go dead after 3 days without driving). However, by unplugging the Nav, the radio will not work. Now with this Fiberoptic loop, I can just attach the loop and disconnect the Nav altogether. Radio works and no more battery drain. Lifesaver!

I needed to bypass the optics on my Audi to troubleshoot the Audi system . This did that and my nav and on board computer started to work again. Let me know the amp for my stereo was bad

Worked to bypass the SOS module and get my radio working again on a 2005 w211 e320 cdi. Also works to diagnose bad modules in the fiber optic network one at a time.

A must have for any DYI Benz owner with the D2B Audio system! If your radio goes out, any one of 4 to 8 comments (depending on your factory options) is most likely the cause, and you could go nuts (and Broke) replacing one at a time or just use these to bypass one component at a time 🙄. Just check to make sure if you order the two adapter package (1 male & 1 female) you get what you order first time I received 2 males . The issue was resolved but it did cost me time in the diagnostic stage.

Definitely came in handy

Didn't work for my car

After I installed new Android Head unit on my Mercedes Benz w209 CLK320. I decided to remove my CD box from my glove box. This bypass loop works perfectly. Highly Recommended!

Purchase an aftermarket radio for my car and this works perfect to look the old CD changer wire

Work properly