Why is my auxiliary battery not getting power?

Why is my auxiliary battery not getting power?

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What to do if your Mercedes auxiliary battery fails?

If this does not completely fix the problem, you may wish to take your car to a Mercedes service center or replace the whole auxiliary battery. Like the main battery, it may fail repeatedly if it has lost charge. Where is auxiliary battery located ?

What are the functions of an auxiliary battery?

Auxiliary battery is responsible for running and powering additional accessories in the car such as stop go function and many other, once it detects failure none of these functions will work.

What happens to batteries during an emergency shutdown?

During an emergency mode shutdown, the battery control system switches all functions to the emergency battery, and only essential electronic systems continue operating at full capacity. Understanding D-Day: What Is the History of the Normandy Invasion?

When does the auxiliary battery need to be replaced?

When the main battery is depleted, the auxiliary battery will kick in and continue to charge the car as needed. Just like the main battery, eventually the auxiliary battery will start to have issues and will need to be replaced.

What are the symptoms of a bad auxiliary battery?

Symptoms of a Bad or Failing Auxiliary Battery If you have multiple batteries in your vehicle, you may have to replace one if the vehicle won’t crank, fluid is leaking, or the Battery Light is on. by Ed Ruelas on

Can a car run on an auxiliary battery?

I do have a push button start stop and yes, this didn’t work when that battery is dead. Dealer said this aux battery powers the computer but also controls the Auto Off (I.e., engine shuts off at the light). But that doesn’t happen enough to drain the battery, does it- especially when it gets charged back by the system.

Why is my Mercedes auxiliary battery not working?

The main cause of this problem is generally attributed to a faulty voltage converter and you can also get a computer error message reading “Stop vehicle shift to P leave engine running” when the auxiliary battery begins to malfunction.