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Does the Mercedes-Benz GLA200 require matching when replacing the battery with power disconnected?

2 Answers

OGia

09/01/25 3:00am

The original battery of the Mercedes-Benz GLA200 uses the Varta brand. Different versions of the vehicle may have variations in batteries, and the presence or absence of an automatic start-stop function can also affect the battery model. Below are the battery replacement methods and precautions: Replacement Method: The car's battery is located in the lower right corner of the engine compartment. The general method for removal and installation is to turn off the engine, ensure the vehicle's power is in the OFF state, then open the front hood, disconnect the battery cables, and finally remove the fixing device to take out the old battery. Precautions: During the removal and installation process, avoid allowing the tools to simultaneously touch both the positive and negative terminals, which could cause a battery short circuit. When removing, disconnect the negative terminal cable first. The reason is that the negative terminal is connected to the vehicle body. If the positive terminal is removed first, and the tool touches a metal part while removing the negative terminal, it could cause a battery short circuit, potentially leading to a battery explosion in severe cases. The installation process should follow the reverse order.

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GiaLee

09/13/25 5:53am

My Mercedes-Benz GLA200 had its battery replaced last year. After disconnecting the battery myself, I found that it wouldn't work without proper matching. Matching here refers to using a computer tool to re-register the new battery's status to avoid system errors. The electronic control unit in Mercedes vehicles records battery data. If you replace the battery without resetting, the start-stop function may fail, warning lights may appear on the dashboard, or even window settings could get messed up. I once tried a simple battery replacement without proper matching, which resulted in losing all my radio presets and cost me hundreds more to fix. So, I recommend disconnecting the negative terminal when replacing the battery and having professionals handle it with diagnostic equipment—it's quick and safe. You can go to a 4S shop or a professional repair shop; don't take risks to save money. Regular maintenance can also check battery health and extend its lifespan.

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