Unlock the Mystery Mercedes Auxiliary Battery Malfunction Unveiled

26.3K1w ago. Do you spot the woofer?! A few weeks ago a “auxiliary battery malfunction “ alert popped up on the dash. Thats when I learned this 2016 ... Charging System Diagnosis for Auxiliary Battery , Mercedes (W164) This is one issue for many Mercedes owners, CLS, S class, ML Class, ... The most common solution for an 'Auxiliary Battery Malfunction' message on a Mercedes is replacing the auxiliary battery. You will still need an auxiliary battery, it may be a small battery in the boot ... Battery replacement should be simple. This one might be 15 minutes or 2+ hours. This video will explain. ML350, ML450, ML500, ML550, ML63, ... This is a Brand New Replacement Voltage Convertor, also known as the Auxiliary Battery. Applications: 2015 – 2018 Mercedes C300 Auxiliary Battery Malfunction” message can appear on the dash of your Mercedes due to any number of reasons. And, if you ignore the message ... Also, if this warning message appears on the dashboard, your car's electrical components will fail since the auxiliary battery powers them. Disconnecting the battery cable for a short period will not fully reset your ECU because residual power remains in the circuits. In this comprehensive guide, we'll delve into the causes, symptoms, and effective solutions for auxiliary battery malfunctions in Mercedes vehicles.