Where is the auxiliary battery installed in the Mercedes-Benz CLS350?
3 Answers
Mercedes-Benz CLS350's auxiliary battery is installed next to the spare tire in the rear trunk of the vehicle. Introduction to the battery: A device that converts chemical energy into electrical energy is called a chemical battery, commonly referred to as a battery. After discharging, the internal active materials can be regenerated through charging—storing electrical energy as chemical energy; when discharging is needed, the chemical energy is converted back into electrical energy. Such batteries are called storage batteries (Storage-Battery), also known as secondary batteries or lead-acid batteries. The relationship between the internal resistance of the battery and the state of charge (SOC): The state of charge (SOC) of a battery refers to the ratio of the capacity that can be discharged to its rated capacity. This data is very important for postal and telecommunication power systems and power battery packs in use.
The auxiliary battery location of the Mercedes-Benz CLS350 is typically in the trunk area of the vehicle. To be specific, after opening the trunk, move to the right rear corner where there might be a cover or foam panel under the carpet. Lift it up, and you'll see the battery. I've been driving this car for several years and often perform maintenance checks. I remember once helping a friend replace the battery and realized it's tucked away quite deep—this is to avoid conflicts with the main battery in the engine bay and reduce electronic interference. If you can't find it, don’t panic and start tearing up the carpet recklessly. The position might vary slightly depending on the model year—for example, older models may have it deeper in the corner, while newer ones might place it slightly more toward the center. Safety tip: Always turn off the engine before replacing the battery, and it’s best to disconnect the main battery to prevent short circuits. These small details can save you a lot of trouble. I recommend checking it during routine maintenance—the battery lifespan is about 3-5 years, so don’t wait for issues to arise before taking action. It’s convenient and hassle-free.
To locate the auxiliary battery in your CLS350, follow these step-by-step instructions: Open the trunk and focus on the rear right side. Lift up the floor carpet layer, where you'll likely find a plastic cover or panel. Pry it open to reveal the battery. This placement is primarily designed to balance vehicle weight and isolate the electronic systems, preventing overcrowding near the main engine. If you're replacing it yourself, just prepare a screwdriver or wrench, but always ensure the car is turned off first—wait a few seconds to prevent electric shock. If you don't immediately spot the battery, don't force it; some models conceal it more discreetly near the spare tire compartment. Searching for an online diagram or video reference can simplify the process while teaching you some handy repair skills—quite a rewarding experience.
