How to Replace the Battery in a Mercedes-Benz GL450 4MATIC Key?
4 Answers
Method to replace the battery in a Mercedes-Benz GL450 4MATIC key: There is a button on the back of the key. Press this button and push the back cover forward to open the key. The battery is located in the slot nearby. During the replacement process, be sure to note the battery model. After removing the old battery from the slot, replace it with a new one. Then reattach the back cover of the key. Once installed, the battery replacement is complete. The Mercedes-Benz GL450 is a full-size SUV and the mid-range model of the Mercedes-Benz GL-Class. Its body dimensions are 5099mm in length, 1920mm in width, and 1840mm in height. Exterior features: The Mercedes-Benz GL450 features a wavy design on the upper edge of the headlights, giving them a more dynamic and stylish appearance. The adaptive xenon headlights enhance nighttime driving safety. The LED daytime running lights, paired with dual chrome trim strips, add a high-tech feel.
I just replaced the battery in my Mercedes-Benz GL450 key, and the whole process was simpler than expected. There's a small notch on the back cover of the key; you can gently pry it open with a coin or a small screwdriver to reveal the old CR2032 coin cell inside. Make sure not to buy the wrong model—they're available at supermarkets for just a few bucks. Remove the old battery, place the new one in with the positive side facing up, align it properly, press it in firmly, and snap the back cover back on. The whole thing takes about five minutes. After replacing it, test the unlock button to make sure it works. Key batteries typically last about a year. If you notice the remote range shortening or signal delays, it's time for a replacement. Don't wait until it's completely dead to save trouble—getting stranded outside with a car that won't start is awkward. Doing it yourself saves both time and money.
I often tinker with my car, and replacing the battery in a Mercedes GL450 key is a basic skill. The key casing has gaps; gently pry it open with a thin tool like a small knife or a dedicated pry bar, being careful not to damage the plastic with excessive force. Remove the old CR2032 battery, ensuring the new battery is installed with the positive side facing the correct direction. After securely closing the casing, test if the remote works properly. If not, clean any rust from the contacts and try again. The battery can be bought cheaply at a hardware store for just a few yuan, saving you dozens compared to going to a 4S shop. It's recommended to replace it every two years as a preventive measure. Keeping the key near a phone or in a strong magnetic field for long periods can drain the battery faster, so storing it in a dry place can extend its lifespan.
As a car owner, timely replacement of key fob batteries is crucial. A dead battery in your Mercedes-Benz GL450 key can affect unlocking and starting, potentially leaving you stranded. The replacement process is simple: press the rear cover button or pry it open, then insert a new CR2032 battery with the positive side facing up. Disconnect the vehicle's power during operation to avoid signal interference. After replacement, test the response by opening the car door. If issues persist frequently, check for any short circuits in the circuitry. Batteries are inexpensive, so it's advisable to keep a few spares at home—don't wait until complete failure to act. Pay attention to weakening signals in daily use and replace the battery promptly—safety comes first.
