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auxiliary battery

  1. CLA General Discussion
    Over the last few weeks, I accrued a gamut of error messages on my 2014 CLA250 all related to front end lighting. Additionally, I got an Auxiliary Battery Malfunction error. My other messages include "Check Low Left Beam", "Check Low Right Beam" as well as front turn signal warnings and Daytime...
  2. Mercedes-Benz CLA 250
    Has anyone experienced failing their smog test after replacing the AUX Battery? Three weeks ago I get a prompt from my 2016 CLA250 indicating that the Aux Battery has failed. I went to the dealership and got it replaced through my warranty. That went well and I went about my business. 2 weeks...
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