Here are the instructions (I can't post links yet)... works great for me with the Storm, including address book, on my 08 E63.
Connect Mercedes‑Benz Cradle adapter with Bluetooth� to vehicle.
Press button (the mercedes symbol button at the top) for approx. 2-3 seconds.
Get your mobile phone ready for pairing.
Mercedes‑Benz Cradle adapter with Bluetooth� will appear as "MB PhoneSystem".
Use 62872 as Pass-Key.
The LED�s will be continuously on.
The mobile phone is ready to be used with the Mercedes‑Benz Hands-Free Communication System.