Where is the auxiliary wire?

I have a 2014 C250. I've seen others similar to mine that have the auxiliary input wire in the elbow box (center console) but mine doesn't have one. Where can I find it? my goal: install the android 10.5 screen but it needs the auxiliary connection thanks in advance

I have a 2014 C250. I've seen others similar to mine that have the auxiliary input wire in the elbow box (center console) but mine doesn't have one. Where can I find it?

my goal: install the android 10.5 screen

but it needs the auxiliary connection

thanks in advance

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