What is function of auxiliary battery on e320 Mercedes?
Mercedes-Benz auxiliary battery function The main function of mercedes-benz auxiliary battery is to provide voltage to “stop start” function, so this function may not work until you solve battery malfunction. You can keep driving a car for while, but it is always recommended to fix any fault as soon as possible.
What does the Mercedes auxiliary battery do?
Auxiliary batteries work with your main starter battery, and as a backup battery in the event the main battery becomes disabled. It prevents your vehicle’s electrical components from dropping when starting/stopping your engine and keeps your radio, GPS, and other in-vehicle electrical components turned on.
What does w211 auxiliary battery do?
The auxiliary battery is located in the right side of the engine compartment, near the HVAC intake. The auxiliary battery supplies power for a limited time if system charging or battery voltage drops. The battery control module monitors system voltage.
Can you drive with auxiliary battery malfunction?
It’s not recommended to drive when you’re experiencing issues with your auxiliary battery. However, it does not put you in any immediate danger as long as you don’t notice a decline in the overall handling and performance of your car.
Does my Mercedes have an auxiliary battery?
In newer model Mercedes-Benz vehicles, the Mercedes auxiliary battery is located inside of the front footwell of the passenger seat located near the top. To access the battery, you will need to completely detach all connecting parts in addition to removing the carpet so that you can gain possession of the battery.
Can I drive without auxiliary battery?
Symptoms. When the main battery dies, the car won’t start. The car starts when the auxiliary battery dies, but an auxiliary battery malfunction appears on the dashboard. In most cases, the car runs and drives fine even with a bad auxiliary battery.
How do you know if the auxiliary battery is bad?
Symptoms of or a bad auxiliary battery malfunction
- The battery symbol on the dashboard.
- Stop vehicle shift 2P leave engine running.
- Stop vehicle leave engine running.
- Auxiliary battery malfunction.
Can you charge Mercedes auxiliary battery?
Mercedes-Benz auxiliary battery is a rechargeable 12V 1.2Ah battery. The alternator charges the auxiliary battery when the engine is running. If the battery is still good, your only option is to remove the car’s battery and charge it with a 12 Volt Smart Charger, then reinstall.