https://www.gtacarkits.com/product/wi...

This video explains how to install a GTA Car Kit that enables Wireless Apple CarPlay and Wireless AndroidAuto in Mercedes CLS 2012, 2013 and 2014 model years (C218).

List of Version 2 improvements:
Improved Sclass specific screen resolution
Sclass vehicles with factory SplitView option are now supported
Wireless Carplay and Android Auto are supported
no need for separate microphone for Siri or Google Assistant, now works through original car microphone