People ask also, how do you change an auxiliary battery?
Also, where is the auxiliary battery in a Mercedes? Your Mercedes-Benz C 300 auxiliary battery is located under your hood, beneath your cabin air housing. It takes no more than a minute to access. Simply pop up your hood using your hood release lever and remove the cabin air filter housing to reveal the auxiliary battery.
Also know, how do you change the battery on a Mercedes aux?
Likewise, can Mercedes auxiliary battery be charged? 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.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.
Contents
How do you know if your auxiliary battery is bad?
- The battery symbol on the dashboard.
- Stop vehicle shift 2P leave engine running.
- Stop vehicle leave engine running.
- Auxiliary battery malfunction.
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.
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 test an auxiliary battery?
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.
Which Mercedes has 2 batteries?
The Mercedes vehicles with two batteries are the S-class (221) and SL class (230/231) models.
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.
How long does auxiliary battery last?
Properly cared for and maintained, you can expect anywhere from 18 months to 3 years of life from an auxiliary 12-volt battery. Much will depend on frequency of use, and how well the battery is protected. Rough roads can cause the cells to break down, reducing the lifespan.
How long does it take for auxiliary battery to charge?
Charging a regular car battery with a typical charge amp of around 4-8 amperes will take about 10-24 hours to charge it fully. To boost your battery enough to be able to start the engine, it would take around 2-4 hours.