Is it possible to have 3 batteries in the trunk?
Knowing I had the battery in the trunk, I popped the dash cover just to be sure.. nothing there and couldn’t imagine the having 3 batteries (something Mercedes would do though. I checked the voltage of the trunk battery; 13V @ 30 degrees Fahrenheit. Not horrible but imagine out of range if it’s triggering the malfunction error.
What should the voltage be on an auxillary battery?
That’s not normal for a battery- 12-3-12.8 volts, maybe your measuring tool is not calibrated well. With the car running- observe the voltage and make sure you are getting 13.8-14.4 volts. What the aux battery read? Here’s a link to a recent thread I started.
Where is the Auxillary stop start battery located?
I have seen the main battery under bonnet and the tiny 1.2AHC which is under the trim in the passenger footwell but cannot find the Auxillary 12v 12 AHC Gel battery that powers the Stop Start. The car is still under guarantee but I don’t want to sit in a MB dealer (1 hr away) for 2 hours while they charge the battery.
What’s the difference between AGM and lead acid batteries?
The material cost for AGM is much higher. The glass mats that are in the cells are harder to produce than lead-acid separator plates. Lead-acid is also far easier to recycle than AGM. These added costs get passed down to the consumer, and then we have a $200 battery.
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
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.
How does the auxiliary battery work on a pelican?
Followup from the Pelican Staff: The auxiliary battery supplies power for a limited time if system charging or battery voltage drops. The battery control module monitors system voltage. If voltage reaches a low point, the auxiliary battery relay closes to connect the battery to the vehicle fuse blocks.
Knowing I had the battery in the trunk, I popped the dash cover just to be sure.. nothing there and couldn’t imagine the having 3 batteries (something Mercedes would do though. I checked the voltage of the trunk battery; 13V @ 30 degrees Fahrenheit. Not horrible but imagine out of range if it’s triggering the malfunction error.