ISO Harness Radio Adapter for MERCEDES-BENZ / OPEL

If you want to replace your factory radio system with a standard aftermarket head unit, but don't want to give up the sound system of the car. This ISO adapter allows the connection of a multi-fnctional head unit of any brands to the existing speaker with the old vehicles. There are no technical knowledge required for installation, plug and play. This ISO wiring loom is suitable for the following vehicles: For MERCEDES-BENZ 2004+ / OPEL 2003+