Fixing An “auxiliary Battery Malfunction” Warning In Your Mercedes | Huffs Automotive
Auxiliary battery malfunction - can anyone shed some light on this and what they've done in this situation? Everything works incl. stop start etc…GLC250d, 2015 : r/mercedes_benz
MERCEDES AUXILIARY BATTERY - YouTube
I'm getting a "Aux. battery malfunction" message on my instrument panel. I'm not having any luck locating the Aux.