How to Replace the Key Battery for the New Mercedes-Benz S65L?
3 Answers
Here are the steps to replace the key battery for the new Mercedes-Benz S65L: 1. There is a sliding switch on the head cover of the Mercedes-Benz car key; locate it. 2. Use your hand to push this sliding switch to open and remove the mechanical key. Then, insert a small metal object and gently pry to remove the Mercedes-Benz logo piece. 3. After removing this piece, you will see the key battery. 3. Take out the old battery and replace it with a new one for normal use. 4. Alternatively, you can drive to a car maintenance shop and have a professional replace the battery.
I'm a car enthusiast who enjoys DIY tinkering with these little gadgets. Replacing the battery in the new Mercedes-Benz S65L key is actually quite simple - the whole process takes just five minutes. First, prepare a CR2032 coin cell battery, which can be bought online or at supermarkets for just a few dollars. There's a small gap on the back of the key - I gently pry it open using a small screwdriver or thin card, and the battery pops out. Pay attention to the orientation: the side with the plus sign on the old battery is the positive terminal, so install the new battery the same way without reversing it. Then gently close the cover and press firmly to snap it shut. After replacement, test if the remote functions properly. I've done this several times myself - it saves both money and hassle compared to waiting half a day at the dealership and paying more. Always keep spare batteries on hand, don't wait until the remote stops working. Avoid using sharp tools to prevent scratching the key casing.
Let me share some practical tips on replacing the key battery for a Mercedes-Benz S65L. The battery model is CR2032, so get a new one ready first. There's usually a small notch on the key - gently pry open the casing using your fingers or a thin tool. Remove the small round battery inside, noting the positive/negative positions (the positive side often has a plus sign). Insert the new battery in the same orientation, then snap the casing back together and test it. The process is straightforward enough for beginners. Avoid using metal tools - plastic pry tools work better. Battery lifespan is typically 1-2 years; the car will alert you when the remote starts malfunctioning, so don't delay replacement. After my DIY replacement, the battery lasted two years without issues - much more convenient than visiting the dealership. Pro tip: Perform the replacement in a dry environment with dry hands to prevent short circuits.
