Do aux batteries drain main battery?
other accessories continue to draw power when the engine is off. However, simply wiring extra batteries into a vehicle’s electrical system can allow auxiliary batteries to drain power from the main battery, inhibiting engine starting and other essential functions.
Can a bad battery drain another battery?
Yes, they can. I had a friend in high school who mistakenly took two 9V batteries and hooked them together, + to – and – to +. In a very short time (pun unintended), both batteries were dead and he was lucky they didn’t leak or explode. They’d shorted each other out in that connection.
Is there a problem with my Mercedes R350?
We bought our brand new 2008 R350 this month. 2 days after driving away, the battery drained completely (car would not even open with key).
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 happens when the auxiliary battery goes bad?
If this auxiliary battery develops a malfunction, it will show up as an error message on the dashboard. The warning will be generic, but should feature a small battery symbol.
Where is auxiliary battery in W213 e220d located?
You will need to remove some nearby plastic mouldings and peel back the carpet to gain access to the battery area, and the fastenings can be undone with a 10mm socket. You should also disconnect the main battery before attempting the work.
Where is the battery located in a Mercedes R350?
The main battery is located under the front passenger seat. To make it easier I removed the 4 bolts that hold the front seat but none of the electronics attached to the seat. Follow instructions found in the owners manual and you too should be able to replace the battery.
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 ?
How often should I replace the battery in my Mercedes R350?
Replace the battery in your 2010 Mercedes-Benz R350 4Matic 3.5L V6 once every 4 years for optimal performance. Watch this free video to see how to replace a dead battery in your 2010 Mercedes-Benz R350 4Matic 3.5L V6 About Us Maintenance Parts & Tools Contact English SpanishFrench Search Home Mercedes-Benz R350 2010
You will need to remove some nearby plastic mouldings and peel back the carpet to gain access to the battery area, and the fastenings can be undone with a 10mm socket. You should also disconnect the main battery before attempting the work.