How to Replace the Key Battery for the New Mercedes-Benz G350?

2 Answers
SanSienna
09/02/25 8:09am
The main steps to replace the key battery for the new Mercedes-Benz G350 are as follows: 1. First, push the marked switch upward. 2. Remove the mechanical key. 3. Open the key casing. 4. Pry out the old battery. 5. Replace it with a new battery. Additional information: 1. Before replacement, it's best to check the model of the car key battery, which is usually specified in the vehicle's user manual, and then select a new key battery according to the specified model. 2. Precautions: (1) When pushing the mechanical key downward, avoid using excessive force to prevent breaking the cover's latch; (2) Pay attention to the battery's positive and negative poles during installation.
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Fred
09/15/25 3:20am
As an experienced car key maintenance enthusiast, I often help friends with such minor issues. The new Mercedes-Benz G350 key uses a CR2032 coin cell battery. Before replacement, prepare a clean table, a small flathead screwdriver, and a new battery. The key casing has small notches on the side or back – gently pry it open without forcing, being careful not to scratch the internal circuit board. After removing the old battery, insert the new one with the positive side facing up. Ensure it's securely positioned before closing the casing with a light press until you hear a click. Test if the remote functions are restored. I recommend using an anti-static cloth to wipe your hands to prevent accidental damage. Typically, replace the battery every year or so; don't wait until it's completely drained. This practice extends the key's lifespan and saves money. The whole process takes about 5 minutes, and detailed videos are available online for reference.
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