How to Install MHI Bluetooth Interface Module
1. Open the center console armrest to reveal the cradle compartment.
2. Remove the black plastic cover by pulling it to reveal the contact plate.
3. Slide the Bluetooth module upwards until it clicks into place on the contact patch.
4. Press and hold the Mercedes-Benz logo on the Bluetooth module to put the device into 'Discovery' mode. You will then be able to find it as 'MB PhoneSystem' on your Bluetooth phone and add it.