- 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. … The charging system for this setup is quite sophisticated to balance the alternators output between the two batteries.
Also, how many batteries does a Mercedes have? Newer Mercedes-Benz cars and SUVs have two batteries: Main battery (G1) – Also known as system battery, starter battery, or G1. Its main function is to start the engine and be the primary power source for all electrical systems. Auxiliary battery (G1/7).
Likewise, 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.
Also know, where is the second battery in a Mercedes? In many new Mercedes models, the auxiliary battery is located at the top of the front passenger footwell. 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.
People ask also, does a Mercedes Sprinter have 2 batteries? As for the second full size battery, that’s for powering extra items, like running a camper refrigerator or powering strobelights. Or a billion other things someone might want to aux power in a work truck.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.
Can you jump a Mercedes-Benz?
Current models Mercedes-Benz are equipped with jump start terminals. If you don’t have the jump start terminals, attach clamps directly to the battery. Connect the POSITIVE clamp on the positive terminal of the helper battery. … Connect the NEGATIVE clamp on the negative terminal of the helper 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 my Mercedes with auxiliary battery malfunction?
Of course, you can drive your Mercedes even with a failed or malfunctioned auxiliary battery. This is because Mercedes has two batteries and the battery used to run the vehicle is the main one. So, even though you won’t be able to utilize functions such as start/stop, you can still drive your car.
How long does a 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 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 an 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 change an auxiliary battery on a Mercedes?
What cars have the battery in the trunk?
We all know that German auto engineering is the top, and BMW & Mercedes put their batteries in the trunk. The Dodge Magnum/Chrysler 300 was the first car produced after Daimler-Benz bought Chrysler, hence the battery-in-trunk design.