All I want is to schedule a 1-year check and elect...

All I want is to schedule a 1-year check and electronics-problem repair for a 2016 MB. So far, I've been trying all afternoon, and I've been placed on hold for long stretches, cut off, relayed back and forth, dumped into three separate voicemails, wrongly transferred to wrong depts; all in all I've spoken to maybe seven or eight different people who quickly put me back into phone purgatory. I still haven't been able to talk to someone about my needs. I went online to schedule, and just need to follow up by talking to a live person. But I am starting to wonder if one exists at Hoehn Motors-MB. Very frustrated right now.