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auxiliary battery

  1. LED Headlight Issues

    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. Auxiliary Battery Replaced and Smog Test Failure.

    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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