Mercedes Benz C-Class C Class W203 W209 C180 C200 CL203 C209 A209 (2004-2011) Memory Size:C-Class CC3 32G connect the Blue AMP and

connect the Blue AMP and Blue AMP-C wires together to engage the amplifier or you will not get sound

but now if your android phone meets the condition to use android auto

See here for more information

DIN : one din

Mercedes Benz C-Class C Class W203 W209 C180 C200 CL203 C209 A209 (2004-2011) Memory Size:C-Class CC3 32G connect the Blue AMP andBrand Name: TEyes Din: One Din Display Size: 9" Digital Media Format: Mp3 Digital Media Format: Mp4 Digital Media Format: WMA Digital Media Format: JPEG Special Feature: Wifi Function Special Feature: Support Steering Wheel Control Special Feature: Support 3G Network Special Feature: Support 4G Network Certification: CE Certification: EAC Operating System: Android