Likewise, where is the auxiliary battery located? What does an auxiliary battery do? Most vehicles, with only a large battery, usually located under the hood or, in some makes, in the trunk near the spare tire. There is a common misconception that your vehicle’s battery is responsible for charging all electrical components in your car.
Also know, where is Mercedes 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.
Also, can you drive with auxiliary battery malfunction? 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.
People ask also, how long does a Mercedes auxiliary battery last? On average, auxiliary batteries have a service life of up to seven years, more or less depending on usage and driving conditions.
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Do I need to replace auxiliary battery?
It’s generally located under the hood, although some makes and models have the primary battery in the trunk, near the spare tire. … Like all batteries, auxiliary batteries will eventually wear out or fail. When this happens, they’ll need to be replaced.
How do you change an auxiliary battery on a Mercedes?
Can you charge auxiliary battery?
By connecting the positive terminals of both batteries, you can easily use your alternator to charge your auxiliary battery. Your electrical loads won’t drain your starting battery, and your auxiliary battery will only be charged when the engine is running, if you have an isolator.
How do you test an auxiliary battery?
Why do Mercedes have two batteries?
Some Mercedes models have two batteries, a main starting battery located in the trunk and a secondary smaller battery located under the hood near the windshield on the passenger side of the car. Essentially there is so much electrical demand on this car it needs two batteries.
How do you charge an auxiliary battery?
You can easily use your alternator to charge your second (auxiliary) battery simply by connecting the positive terminals of both batteries so that they’re in parallel.
Is auxiliary battery covered under Mercedes warranty?
Auxiliary battery isn’t covered in the extended warranty.
Why do Mercedes have an auxiliary battery?
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 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.
How much does it cost to replace Mercedes battery?
The price for a new battery on a Mercedes-Benz will generally range from $280 to $400. However, you can cut the cost of battery replacement by as much as $100 and sometimes even $200 if you opt to do the replacement work yourself.