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if tele is unpluged and codes come up will the computer stay active searching for signal and still cause another draw to drain battery?
No, once the tele-aid is disconnected it will not work, hence it will not search for any signals because it won' be able to. The battery should not be drained if the tele-aid was the draw.
Q&A > Mercedes-Benz > 2001 Mercedes-Benz C320
Q&A > Mercedes-Benz > 2002 Mercedes-Benz C320