can a faulty voltage regulator cause the alarm not to work or lock and unlock doors with key remotes?

Asked by bnzone Sep 28, 2015 at 03:10 PM about the 2003 Mercedes-Benz C-Class

Question type: Maintenance & Repair

I have a bad voltage regulator and now by alarm won't work or I am unable to set it and lock and unlock doors with key remotes, I changed batteries in key remotes as well but still nothing.

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