The part in detail:

Part A2128201551 , Mobile-phone holder for Apple iPhone 4/4S, with 15 cm audio cabl

Type:Mobile-phone holder for Apple iPhone 4/4S, with 15 cm audio cabl

The holder offers the following advantages: - Charges the mobile’s battery - Optimum reception quality (as a result of using vehicle’s external aerial) - Access to phone’s internal memory - Easy and convenient operation via multifunction steering wheel Charging function ensures reliability When clicked into place on the mount, the charging process for the mobile phone battery automatically commences, ensuring that constant use of the phone does not affect the charge status – even over longer periods. Optimum reception quality When the phone is in the holder, calls can be answered and made via the vehicle’s hands-free system. Integration into the on-board audio system ensures optimum sound quality and good comprehensibility in diverse driving situations. Connection to an external aerial ensures optimum reception. Phone book always available on board. The convenient download of all saved contact numbers allows the numbers to be shown clearly on the vehicle display and makes it easier for the driver to search for a specific contact. The phone status also appears in the display.

Mobile communication for Convenience Telephony, Code 386. The holder has an audio cable for connection to Media Interface (Code 518) or iPod Interface Kit, allowing use of audio function on board. Audio cables already present in vehicle for connection to Media Interface (Code 518) or iPod Interface Kit (part numbers: A204 820 0304, A204 820 0404, A204 820 1004, A204 820 1104) can be used in conjunction with the iPhone 4 holder (A212 820 1551). Voice and audio signals sent from mobile phone to holder via Bluetooth. For more detailed information regarding on-board telephony functions, go to www.mercedes-benz.com/connect.com and click on Convenience Telephony

Price: £251.87