The telephone module with Bluetooth SAP  is designed to extend the mobile communication system in your Mercedes-Benz. Just connect it to your Convenience Telephony system (code 386) in the centre armrest, and start using your mobile via the on-board hands-free system. The telephone module comes with a SIM card slot similar to a permanently installed device.
Other advantages of the telephone module are:
You are now more independent than ever in your choice of mobile phone for your Mercedes-Benz: with a simple »click!« you can swap cradles – in a matter of seconds, as easy as placing your mobile in the cradle itself.Changing your phone model and even the alternate use of different models is thus no longer a problem – while continuing to fully enjoy all the advantages of Convenience Telephony.
 The Mercedes-Benz telephone module with Bluetooth (SAP) is available in two versions: as an enclosed box (see illustration) or as a hand-held device with wired handset (without illustration). Both versions are equipped with a SIM card reader
 For use with »Code 386 Convenience Telephony« optional extra.
 SAP (Sim Access Profile) enables reading the SIM card of the mobile phone.
 Dependent on vehicle model and mobile phone. For questions about compatibility with your vehicle and mobile phone please contact your authorised Mercedes-Benz dealer. More information is available at www.mercedes-benz.com/connect