Wiring help for a sub and amp in a 2012 mercedes c250

[Phoenix222]

Hey guys im putting a sub in my c250. I have wired for subs myself before but its been a while. I know I need to wire power and ground, run the RCA cables to the head unit and wire the remote cable. I cant remember where to connect the remote cable though. Any advice would helpful.

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[huberoy123 10+ year member]

I would look for the wiring diagram for the vehicle first, and look for the factory amp turn-on wire. Tap it for your new amp. There are also other options: https://99carstereo.com/connect-remote-wire-car-amplifier/